CN1291249A

CN1291249A - Paper sizing

Info

Publication number: CN1291249A
Application number: CN99803048A
Authority: CN
Inventors: 克莱门特·L·布兰加尔特; 约翰·C·加斯特
Original assignee: Hercules LLC
Current assignee: Hercules LLC
Priority date: 1998-02-17
Filing date: 1999-01-25
Publication date: 2001-04-11
Also published as: NO20004073L; AU2470099A; ID26077A; ZA991270B; AU2241199A; CA2319104A1; WO1999041452A1; EP1055030A1; KR20010086250A; PL342320A1; JP2002503772A; BR9907959A; NO20004073D0; WO1999041453A1

Abstract

A method for improving high speed precision paper converting and reprographic operations by surface sizing paper used in high speed precision converting or reprographic operations with a reactive sizing agent and an inorganic filler, the inorganic filler being applied in an amount effective to improve paper runnability, wherein the weight ratio of the inorganic filler and sizing agent is about from 0.1:1 to 10:1. A sizing composition useful as a surface size in this invention is a 2-oxetanone reactive sizing agent and an inorganic filler, in a weight ratio of inorganic filler to reactive surface size of about 0.1:1 to about 10:1. Paper made by this method is also within the scope of this invention.

Description

The applying glue of paper

Invention field

The present invention relates to a kind of by paper being carried out surface treatment with a kind of reactive sizing agent and a kind of filler, improve paper the accurate processing characteristics of high speed method and relate to the paper that makes thus.

In recent years, the paper of producing under alkali condition constantly increases.Alkalescence fine paper excellent performance generally in the use of most lower procedures, but High-speed machining and duplicating at a high speed for employed paper (comprising alkaline fine paper) often propose strict operational requirement.

The accurate processed and applied of alkalescence fine paper (as form loan and copy paper) can cause the high-speed cruising performance issue.When use contains a kind of alkaline fine paper of reactive internal sizing agent, duplicate relevant typical operation problem with High-speed machining and high speed and comprise that operating rate reduces, dual paper feed or paperboard in high speed copier, paper bonding, and the location mistake that on high speed paper folder and printer, occurs.The kind of the alkaline paper that uses on the at a high speed accurate operating equipment of being everlasting comprises copy paper, form loan, M.G. pure sulphite paper and adding machine paper.These paper types have been represented quite a few market share of using alkaline fine paper, so exist being suitable for being used in the demand of the alkaline fine paper in the at a high speed accurate processed and applied (comprise at a high speed and duplicating).

Usually sizing agent is joined in the alkaline fine paper, itself or as a kind of internal sizing agent, or influence the variation of paper physical property as a kind of sizing agent of surface applications, for example, the sizability of paper, its be the measuring of the liquid, aqueous impregnability of the paper of producing antagonism and soakage.Applying glue and used sizing agent can greatly influence the operating characteristics of paper in the assorted follow-up use (for example High-speed machining or duplicating).Therefore, often add the runnability that the internal sizing agent improves paper making equipment in the alkaline fine paper, improve the final serviceability of finished paper.

During to the paper that under alkali condition, makes, two kinds of the most frequently used internal sizing agent are alkyl ketene dimer (AKD) and alkenyl succinic anhydrides (ASA), why these sizing agents are known as reactive sizing agent, be because each sizing agent all contain can with cellulose pulp and the covalently bound reactive functional groups of hydrophobic tail slurry, in case sizing agent-fibrin reaction takes place, the hydrophobicity tail slurry is arranged along deviating from the paper pulp direction.The character of hydrophobic tail slurry and its sized paper that is orientated after the reaction applying glue provide hydrophobic property.

Be widely used in based on the reaction sizing agent of AKD and ASA in the production practices of applying glue alkalescence fine paper, but every kind all there is shortcoming, uses wherein any sizing agent that alkaline fine paper is carried out internal sizing, all can produce adverse influence production process.As a kind of internal sizing agent, adding an amount of ASA will produce undesirable precipitation in paper making equipment, produces broken end and broken hole in paper.Based on the addition of the sizing agent of ASA is that 1.0～1.25Kg/ metric ton paper will cause the runnability of paper machine to be difficult to bear problem with paper quality usually approximately.Yet, the applying glue requirement when finally using for satisfying, the addition of sizing agent usually surpasses 1.0～1.25Kg/ metric ton paper, and is all the more so when particularly adding a large amount of fillers in intermittent pulp proportioning.

In these areas, more satisfactory based on the sizing agent of AKD than sizing agent based on ASA, but the applying glue speed of AKD sizing agent is slower than ASA sizing agent.Therefore, before its applying glue process was finished, the alkaline paper of using AKD to carry out internal sizing may also need the maturation period of a prolongation.Yet in paper-making process, when paper arrived reel, AKD applying glue process was done usually.

Based on ASA with based on the sizing agent of AKD, the operational issue that is produced in the high speed paper operational applications with the alkaline paper of carrying out internal sizing with these two kinds of sizing agents is closely related always.

Non-reacted high polymer sizing agent, the copolymer of styrene and maleic anhydride (SMA) has for example been avoided many paper operational issues relevant with the ASA sizing agent with AKD on High-speed machining equipment and high speed copier owing to its molecular weight is high.In the size press of paper technology, simultaneously as a kind of Cypres, they are different with the inner sizing agent based on ASA and AKD that adds usually for the high polymer sizing agent.

Although the Polymer Surface sizing agent has so tangible advantage, consider cost and applying glue efficient, in industrial paper technology, still be preferably based on the sizing agent of ASA and AKD.With weight is benchmark, and the price ratio of Polymer Surface sizing agent is based on the sizing agent of ASA and AKD expensive 50%.In addition, AKD demonstrates high relative applying glue efficient with ASA, under equiponderant condition, exceeds 2-3 applying glue efficient doubly than common Polymer Surface sizing agent.These factors make that AKD and ASA have higher cost benefit and efficient for the paper sizing performance that obtains given level.Therefore, need to improve use reactive sizing agent (as AKD, ASA or other) applying glue alkaline fine paper High-speed machining and duplicate performance.

Reactive sizing agent, as AKD, can range 2-oxetanone sizing agent, the ketenes polymer (for example alkyl ketene polymer) that it comprises the ketene dimer (for example alkyl ketene dimer) that contains a β-lactonic ring and contains an above β-lactonic ring.This 2-oxetanone reactive sizing agent and their preparation are described in people's such as Zhang EP-Al-0 629741, people's such as Bottorff US5, and in 685,815 and people's such as Brungardt US5,846,663, its disclosed content is hereby incorporated by.

The invention provides a kind of reactive sizing agent that utilizes and carry out the paper surface processing, improve the method for the high-speed cruising performance of alkaline fine paper.

Summary of the invention

It is a kind of by accurately using the paper of top sizing to improve at a high speed the accurately method of sheet processing and duplicating in paper conversion or the duplicating at a high speed that one aspect of the present invention provides, this paper contains a kind of reactive sizing agent and a kind of inorganic filler, this inorganic filler is used with the effective dose that can improve the paper runnability, and wherein the weight ratio of inorganic filler and Cypres is about 0.1: 1 to about 10: 1.

It is a kind of by accurately using the paper of top sizing to improve at a high speed the accurately method of sheet processing and duplicating in paper conversion or the duplicating at a high speed that the present invention provides on the other hand, this paper contains a kind of reactive sizing agent 2-oxetanone (it is a kind of liquid) and a kind of inorganic filler in the time of 35 ℃, it is selected from kaolin, titanium dioxide, silica, bentonite and calcium silicates, this inorganic filler is used with the effective dose that can improve the paper runnability, and wherein the weight ratio of inorganic filler and Cypres is about 0.1: 1 to about 10: 1.

Another aspect of the present invention is a kind of glueing composition as alkaline fine paper Cypres, it contains reactive sizing agent 2-oxetanone (being a kind of liquid) and a kind of inorganic filler under 35 ℃, wherein the weight ratio of inorganic filler and reactive sizing agent is about 0.1: 1 to about 10: 1.

Paper by method manufacturing of the present invention also is another aspect of the present invention.

The detailed description of invention

The invention provides a kind of reactive surfaces sizing agent combined with a kind of inorganic filler and be applied to alkaline fine paper, and accurately using this alkalescence fine paper in processing and the duplicating at a high speed, to improve at a high speed accurately sheet processing and the method for duplicating performance, reactive surfaces sizing agent and inorganic filler all are applied to the surface of paper, can improve the inorganic filler of paper runnability and the weight ratio of Cypres is about 0.1: 1 to about 10: 1 with effective quantity.

" accurately " as used herein processing is meant accurate High-speed machining and the duplicating carried out on the equipment of a large amount of paper of operation, it is in so accurate control of paper operating period requirement of high speed.The linear velocity of the paper of being processed on accurate process equipment is very high, as typical speed is 500～2000 feet per minute clocks (about 160～660 meters/minute) approximately, for small usually at the lower limit of this scope, for example be 500～850 feet per minute clocks (about 160～280 meters/minute) approximately, accurately the high speed copier is usually with the speed operation of the page or leaf of cutting a sheet of paper at least about 50 of per minutes.Use IBM 3800 high speed laser printers that the high speed copying operation is described in an embodiment, per minute carries out 180 pages approximately usually.

The paper sizing agent that is used as Cypres among the present invention is a kind of reactive sizing agent.The preferred 2-oxetanone of this reactive sizing agent sizing agent.2-oxetanone compound can comprise a single β-lactonic ring, and for example ketene dimer perhaps can comprise two or more β-lactonic rings, for example the ketenes polymer.2-oxetanone reactive sizing agent of the present invention can be a kind of alkyl ketene dimer, a kind of alkyl ketene polymer, a kind of alkenyl ketene dimers, a kind of alkenyl ketenes polymer, the mixture of perhaps above-mentioned dimer or polymer.Commercially available alkyl ketene dimer (AKD) sizing agent is solid normally under about 20～30 ℃ temperature typically, and normally by two aliphatic acid chlorination things saturated, straight chain, as chlorination stearic acid and chlorination palmitic acid, makes by dimerization reaction.

2-oxetanone sizing agent of the present invention liquid preferably under 35 ℃, for example, it is not solid under 35 ℃, liquid preferably under 25 ℃, and under 20 ℃ also liquid preferably.Those 2-oxetanone compounds that have these desired non-solid (liquid) features under specified temp are characterised in that usually, contain irregular hydrocarbon substituent, and it can be the alkyl of branching, the alkenyl of linear chain thiazolinyl or branching.This liquid 2-oxetanone compound normally contains the mixture of percentage, for example be at least about the 25wt% of 2-oxetanone, more preferably be at least about 50wt%, and most preferably be at least about 75wt%, the 2-oxetanone is a liquid under 35 ℃ (preferred 25 ℃ or preferred 20 ℃), and it contains at least one alkyl substituent, and these alkyl substituents are irregular on chemical constitution, for example branching and/or carbon-carbon double bond, i.e. unsaturatedization.This 2-oxetanone compound can be a ketene dimer, ketenes polymer or their mixture.

General structural formula as the 2-oxetanone compound of reactive sizing agent is as follows: N can be that 0 (for example, a kind of ketene dimer) or n can be 1 or more (for example, a kind of ketenes polymer) in the molecular formula, preferred n be 1 to about 20 and more preferably n be 1 to about 8 at least.

The ketenes polymer is mixture normally, and the mixture of 2-oxetanone polymer contains the regional isomer of this polymer compound usually, and the mean value of n normally from 1 to about 8.The mixture of this 2-oxetanone polymer can also contain some 2-oxetanone dimers, and n equals 0 in for example superincumbent general formula, and this is the result who is used for preparing the method for 2-oxetanone polymer routinely.2-oxetanone dimer and polymer can prepare from the reaction that takes place between monoacid component (for example aliphatic acid) and the dibasic acid component (for example dicarboxylic acids).

In the general formula of 2-oxetanone dimer and polymer, R and R " be hydrophobic in fact substantially, and they can be identical or different.They are normally acyclic, and the hydrocarbon of 4 carbon atoms of preferably having an appointment at least on length, preferably about C ₁₀～C ₂₀And being independently selected from, or the alkenyl hydro carbons substituent of straight chain (line style) or branching in the alkyl of straight chain (line style) or branching.R ' is a straight chained alkyl preferably, more preferably has about C ₂～C ₁₄, and most preferably have about C ₄～C ₈R ' also can be (line style, the branching or ring-type) with alicyclic ring of 28～40 carbon atoms, usually derived from a kind of C ₃₂～C ₄₄Dicarboxylic acids.

The ketenes polymer of using in the present invention can prepare by conventional method, for example makes by reacting between a kind of aliphatic acid or other monocarboxylic acid and the dicarboxylic acids.

Reactive sizing agent and their preparation method based on 2-oxetanone compound are well-known in existing paper sizing technology.Employed in the present invention 2-oxetanone sizing agent, comprise preferred liquid 2-oxetanone compound, can prepare with the method for routine, for example those are described in people's such as Bottorff US5,685, the method that is used for solid ketenes polymer in 815, its disclosed content is incorporated herein by reference herein.

Reactive sizing agent of the present invention is mixed with a kind of aqueous emulsion usually.This aqueous emulsion is well-known in existing paper sizing technology, and the sizing agent active component that can comprise about 1～50wt%, 2-oxetanone compound for example, and preferably contain the sizing agent of the 5～35wt% that has an appointment, all percentages are all based on the gross weight of emulsion.This aqueous emulsion comprises a kind of emulsifying agent usually, and its common consumption is about 0.1～5 part (weight), and more preferably from about 0.2～3 part, all umbers are all based on the weight of sizing agent.This emulsion can be used low the shearing or the preparation of high shear technology by conventional technology, and these steps are well-known in existing paper technology.

Inorganic filler is key component in the method for the present invention, and it is the fine inorganic material with high surface area.Particle mean size is more preferably less than about 5 microns less than about 10 microns in preferred its particle size distribution of this inorganic filler, and most preferably less than about 2 microns.

Inorganic filler among the present invention is preferably kaolin (Chinese clay), titanium dioxide, silica (silica, amorphous silica of precipitation or the like), bentonite (a kind of sodium montmorillonite of natural generation), calcium silicates (for example Chen Dian amorphous silicic acid calcium) or their mixture.The inorganic filler that also can use other same these preferred fillers equally to have subparticle size and absorbability characteristics, other inorganic filler comprises diatomite, sodium silicoaluminate, the amorphous silicate of precipitation, powdered whiting, the calcium carbonate (PCC) of precipitation, talcum powder, hydrated magnesium silicate for example, aluminium oxide (comprises hydrated alumina, be aluminium hydroxide), diatomite or the like.

Inorganic filler be from about 0.1: 1 to 10: 1 or higher, preferably from about 0.2: 1 to about 5: 1 with the weight ratio of making paper is carried out surface-treated reactive surfaces sizing agent.The accurate weight ratio of filler of selecting for use and Cypres depends on the physical characteristic of employed inorganic filler and selected inorganic filler usually.For example, being applied to the kaolin on surface and the weight ratio of reactive surfaces sizing agent preferably is about 0.5: 1 at least.More preferably the weight ratio of kaolin filler and Cypres is about 1: 1 at least, is about 5: 1 at the most, more preferably about 1.5: 1 to about 3: 1.For preferred silica and titanium dioxide filler, the weight ratio of inorganic filler and Cypres is about 0.5: 1 at least, preferably about 1: 1 to about 5: 1, for using bentonite as filler, the weight ratio of itself and Cypres preferably is about 0.1: 1 at least, be more preferably 0.2: 1 to about 10: 1, and most preferably from about 0.1: 1 to about 3: 1.

The addition that common selection is used for the Cypres of handling of paper provides desired applying glue characteristic for this kind paper uses.Reactive sizing agent, for example the addition of preferred 2-oxetanone reactive sizing agent can be about 0.02～5Kg/ metric ton paper, be more preferably about 0.1～3Kg/ metric ton paper and most preferably be about 0.5～2Kg/ metric ton paper, more than be benchmark all with the weight of dried paper.These additions only are for Cypres, and are not included in any internal sizing agent in the paper.The addition of inorganic filler will depend on the adding ratio of employed reactive sizing agent, and adjust usually so that the weight ratio of inorganic filler and Cypres in above-mentioned specific scope.

In the method for the invention, apply reactive sizing agent and inorganic filler as paper is carried out surface treatment.Reactive sizing agent and inorganic filler are coated to the two sides of paper usually and carry out surface treatment, still, in the time of if necessary, also can only handle a surface of paper.

Although reactive sizing agent and inorganic filler alternately can be used (for example in independent step) as independent finishing agent, preferably two kinds of components are applied to simultaneously the surface (for example in single operating procedure) of paper.A kind of preferred painting method is to use in a kind of size press of routine.Preferably reactive sizing agent and inorganic filler are coated to the surface of handled paper, promptly reactive sizing agent and filler are all joined in the solution of size press by size press.Inorganic filler can be joined size press solution (or other aqueous medium) lining with a kind of dry powder or a kind of form that contains the water slurry of filler.

Also can use other surface coating process reactive sizing agent and inorganic filler to be coated on the surface of handled paper, coating or spraying technology as routine, and can in paper technology, carry out surface-coated in the position of other except that size press, as on the felt wrapped roll group.In the present invention, finish after the surface-coated of reactive sizing agent and inorganic filler, come the desiccated surface sheet processed with conventional method.The improvement characteristic of the alkaline paper of handling according to the present invention is discussed below.

Reactive sizing agent of the present invention is as a kind of Cypres, can contain water-soluble inorganic salt or the use that combines with it.This water-soluble inorganic salt can comprise a kind of calcium halide, a kind of magnesium halide, a kind of sodium halide or the like.This water-soluble inorganic salt is calcium chloride especially preferably, magnesium chloride and sodium chloride.

Other the conventional component in top sizing and the process for treating surface of being used in also can be used as optional ingredient and is used.Conventional this kind additive that uses comprises starch, polymer surfaces sizing agent etc. in papermaking.Used starch size usually can be used or do not used to method among the present invention.This starch size can comprise ethylated starch, enzyme converted starch, cationic starch, oxidized starch and pearl starch.Be used for the addition of starch of the present invention can scope for 0～100Kg/ metric ton paper in, and the adding of this starch can be undertaken by size press.The polymer surfaces sizing agent that can be used in combination with the present invention comprises the copolymer of the copolymer of styrene, maleic anhydride and styrene, acrylate.Above-mentioned water-soluble inorganic salt can be used in combination with Cypres and/or inorganic filler and/or conventional sheet processing component.

In a preferred embodiment, a kind of 2-oxetanone sizing agent (it is a liquid under 35 ℃, preferred 20 ℃), for example the alkyl ketene dimer of alkenyl or branching uses with at least a other sizing agent together.Other available sizing agent comprises the alkyl ketene dimer (for example, seeing US5,725,731) of alkenyl succinic anhydrides (for example, seeing US5,766,417) and straight chain.The sizing agent that contains different types of 2-oxetanone that is applied in this embodiment can prepare by fatty acid mixed and Synthetic 2-oxetanone or blend 2-oxetanone.

The paper that is used for the present invention is not critical, and it can be any paper that needs applying glue in its normal use.The present invention is directed to and use paper alkalescence, that comprise neutrality, it is made by alkalescence or neutral paper technology, and these these paper technologies are well-known in existing paper technology.

The present invention is the most useful for alkaline fine paper particularly for the paper with accurate processing grade.These paper comprise the form loan, and small is also referred to as little page or leaf paper, copy paper, M.G. pure sulphite paper, adding machine paper or the like.The basic weight of used alkaline fine paper can be at about 30～200g/m among the present invention ²Scope in, preferably at about 40～100g/m ²Scope in.

The paper that uses among the present invention can use or not use existing conventional internal sizing agent to make.If use, the addition of internal sizing agent can be about 0.02～4Kg/ metric ton paper, more preferably about 0.25～2.5Kg/ metric ton paper, and most preferably be about 0.5～2.0Kg/ metric ton paper.Can use conventional internal sizing agent, comprising alkenyl succinic anhydrides (ASA) sizing agent and 2-oxetanone sizing agent, for example preferred alkenyl ketene dimers and polymer sizing agent, and other reactivity and non-reacted internal sizing agent.The reactive surfaces sizing agent that this internal sizing agent can comprise and/or equal to use in the present invention.

The paper that utilizes method of the present invention to make shows good paper operating characteristics, and is particularly especially true in the application that relates at a high speed accurately processing or accurately duplicate at a high speed.High-grade paper requires to have good runnability on the high speed paper operating equipment, can carry out surface treatment to it in the method for the invention higher sizing agent efficient is provided, improve the quality of inkjet printing, reduce the consumption of the internal sizing agent in the wet end of paper technology.

The reactive sizing agent that is applied to the surface has reduced or eliminated the consumption of the needed internal sizing agent of this kind paper, and by eliminate the internal sizing agent relevant with wet end deposition improve papermaking efficient.Even add the reactive sizing agent, particularly alkenyl succinic anhydrides of moderate, will on paper machine, cause deposition, paper broken end and broken hole.ASA is as a kind of internal sizing agent, and its addition usually need just can satisfy the applying glue requirement of final use greater than about 1～1.25Kg/ metric ton, but the addition of this internal sizing agent can cause the runnability of paper machine to be difficult to bear problem with paper quality usually.Method of the present invention is carried out the surface treatment of paper by using the reactive surfaces sizing agent, reduced or eliminated demand to this internal sizing agent, so that the desired applying glue characteristic of this paper and other physical property to be provided, but do not reduce or destroy the High-speed machining performance and the runnability of this size press coated paper on the high speed paper operating equipment.

Method of the present invention allows to use 2-oxetanone reactive sizing agent (as alkyl ketene dimer and/or polymer and alkenyl ketene dimers and/or polymer) as Cypres, and provides good runnability for the paper of this top sizing on the high speed paper operating equipment simultaneously.

Method of the present invention is particularly useful in 2-oxetanone reactive sizing agent (it is a liquid), for example alkenyl ketene dimers and/or polymer sizing agent under about 20 ℃～30 ℃.Method permission of the present invention adds the reactive 2-oxetanone sizing agent of these and other as Cypres, and the applying glue characteristic of requirement for example is provided for alkaline fine paper by adding in size press.Although use the surface conditioning agent of this 2-oxetanone reactive sizing agent as paper; usually can cause the speed of service when the paper that uses this top sizing carries out at a high speed accurately processing and duplicates to reduce (or increased on the other hand when this kind equipment work with normal speed operational issue), but the inorganic filler of using in the inventive method provide good runnability for the paper of this top sizing of using at a high speed accurate paper operating equipment.

The indefiniteness embodiment that describes below has illustrated different aspect of the present invention.

Embodiment

Used in an embodiment step is the step of the experiment type that applies of the size press of the real paper machine of simulation.Paper among the following embodiment is made on the experiment type paper machine of western University of Michigan--Ann Arbor.The paper machine that a kind of representational fine paper batching is applied in western University of Michigan--Ann Arbor is made a kind of paper making pulps of typical form loan.Use a kind of double plate fiberizer that intermittent pulp proportioning (three parts hardwood kraft pulp with a softwood kraft pulp) defibrination is become 425ml Canadian Standard Freeness (C.S.F.).Before joining filler in the intermittent pulp proportioning, use the NaHCO of appropriate amount ₃, H ₂SO ₄Regulate the pH value (7.8～8.0) of paper with NaOH, basicity (150～200ppm) and the hardness (100ppm) of paper making pulps.Join filler in the intermittent pulp proportioning and be the winnofil, particularly Albacar of 10% medium grain size ^_5970 winnofils (can obtain from the special-purpose mineral company of Pennsyivania's Brix perseverance) join its ratio with the 100Kg/ metric ton in the paper machine reserve pit.

The internal sizing agent is added as follows at wet end:

Ratio with the 0.47Kg/ metric ton joins 2-oxetanone reactive sizing agent (if for example do not indicate, it is exactly an alkenyl ketene dimers) in second blending bin; Cationic starch (the STA-LOK that quaternary amine is replaced with the ratio of 5.0Kg/ metric ton ^_400 starch can obtain from the A.E.Staley Company of Illinois Di Kaite) overflow to first blending bin.Ratio with the 2.0Kg/ metric ton overflows to alum in second blending bin.Slurry temperature in the white wate tray is controlled at 49 ℃.

Wet pressing is set in 207cmHg, the moisture that uses a kind of its size press 2～3% and the moisture of reel at 4～6% full width drying machine, and the speed of paper machine is 0.39 meter per second.

When size press (54 ℃, PH7.5～8.0), add the oxidised maize starch (GPC of about 20Kg/ metric ton ^_The D-15F cornstarch can obtain from the cereal processing company of Hawkeye State Muscatine) and the NaCl of 2.5Kg/ metric ton.If do not indicated (as the acidic paper exception of routine), the alkaline paper of using among all embodiment that are described below all uses the size press solution that contains starch to carry out surface treatment.In addition, just as described in example 2 above, a kind of 2-oxetanone reactive sizing agent and/or filler also join in the size press, assess the influence of these components to the processing characteristics of surperficial handling of paper.Regulate press polish pressure and reel moisture and obtain that (No. 2 posts face up) has the sheffield smoothness of 150 mobile units at the reel place.

Under each Papermaking Conditions, select one 35 minutes long fine roll webs, and on industrial form cardboard squeezer, be processed into 8 of standard _1/2* 11 " two cardboards.Selected sample to measure its basic weight (common 46 pounds/3000 square feet (75 kilograms/1000 square metres)) and smoothness in 35 minutes before or after the long reel at each.

In order to assess different surface treatments and its role at need in stoping process operation, paper is made on the experiment type paper machine of western University of Michigan--Ann Arbor, machine-shaping, on a kind of IBM 3800 high speed reel table ruled paper laser printers, print then, measure as a kind of of its processing characteristics.The paper of being processed is allowed to stablize at least one day at the printing unit room before assessment.

Every case paper provides the paper of sufficient amount to allow its assessment of carrying out 10～14 minutes (67 meters/minute) on IBM 3800 high speed laser printers, and this printer is used as effective determinator of the processing characteristics of measuring the surface treatment paper under the state of the art of existing process equipment.Especially, " waveform (billowing) " phenomenon is illustrated in measuring of the mobility that produces between driven voller on the feeder of IBM 3800 printers and the non-driven voller on the fuse.This waveform relates to paper and has departed from straight line path between its two rollers that are positioned at base negative above 2 inches (5 centimetres), causes locating progressively superimposed in wrong and the feeder.Reach 600 seconds running time after (10 minutes), can measure waveform in the steady-state operation cycle according to the waveform height (with inch or centimetre metering) of straight line paper path.The waveform of page is high more and fast more, and its sheet processing performance is poor more.Since two chests that can obtain in each process (roller) are used for check, the whole samples described in the embodiment all pass through duplicate test.

Embodiment 1

Embodiment 1 has described the assessment to the accurate processing characteristics of high speed of paper, and this paper is by method manufacturing recited above, and is used in combination 2-oxetanone reactive sizing agent and with different inorganic fillers it is carried out surface treatment.Use a kind of IBM 3800 high speed laser printers to measure the High-speed machining performance, after 10 minutes, measure its waveform maximum height, in the table 1 below the whole assessment results described in the embodiment 1 are summarized in the paper work of need assessments.

Finish two basic case of comparative examples.Contrast 1A is the assessment to the acid fine paper of making in the usual way in the prior art, and it uses rosin and alum as the internal sizing agent, and does not carry out surface treatment.The assessment result of the High-speed machining performance of the acid fine paper among the contrast 1A is: the waveform maximum height after 10 minutes is 2.5～2.75 inches (6.4～7.0 centimetres), shows its high-speed cruising function admirable.

Contrast 1B, second basic contrast is a kind of alkaline paper that contains the internal sizing agent by top described manufacturing, its internal sizing agent is the alkenyl ketene dimers that the ratio with 0.47Kg/ metric ton paper adds at the wet end place.On the experiment type paper machine of western University of Michigan--Ann Arbor, make this alkalescence fine paper by method as mentioned above.For the alkenyl ketene dimers of using as the internal sizing agent, the adding ratio (0.47Kg/ metric ton) that reaches the internal sizing agent in the alkaline fine paper described in the embodiment of back herein only is a kind of more a spot of internal sizing ratio.

Surface treatment is carried out in alkaline paper a kind of 2-oxetanone reactive sizing agent of no use or a kind of inorganic filler of the internal sizing among the contrast 1B.Being evaluated on IBM 3800 high speed laser printers of this paper carried out, and after 10 minutes, its waveform maximum height reaches 2.5～2.75 inches (6.4～7.0 centimetres), also can obtain same result with acid fine paper in contrast 1A.As mentioned above, under situation, no matter be the acid fine paper of internal sizing without any top sizing, or the alkaline fine paper of internal sizing, all have good High-speed machining performance.

Contrast 1C is the 3rd contrast, uses the alkaline fine paper of the internal sizing identical with contrast 1B, carries out top sizing but execute material with reactive 2-oxetanone, shows the adverse effect that this Cypres is produced the High-speed machining performance.In contrast 1C, use by a kind of undersaturated/a kind of alkenyl ketene dimers reactivity that the mixture of the aliphatic acid of branching is made executes material, alkaline fine paper to internal sizing carries out surface treatment (identical sizing agent is also used in the internal sizing of this paper), and the ratio with the 2.5Kg/ metric ton during use joins it in size press.Result to the High-speed machining Performance Evaluation on IBM 3800 high speed laser printers is: after 10 minutes, its waveform maximum height surpasses 6 inches (above 15 centimetres), shows that the High-speed machining performance of the alkaline fine paper of this top sizing is difficult to accept.

Contrast 1A, 1B, other example in the assessment result of 1C and the present embodiment 1 all is summarised in the following table 1.On IBM 3800 high speed laser printers the High-speed machining assessment that 1A and 1B did is shown that the runnability of paper is good, no feeder or location are wrong to take place.On the contrary, execute material with a kind of alkenyl ketene dimers surface and carry out surface treatment contrast 1C, during assessment on IBM 3800 laser printers, the High-speed machining performance is difficult to accept, because after operation 5～6 minutes, the waveform maximum height surpasses 6 inches (above 15 centimetres), and frequently observes feeder or location mistake.

Carry out the embodiment of the alkaline paper of the internal sizing that several uses once used among the 1B in contrast, but alkenyl ketene dimers is used in combination with a kind of inorganic filler carries out surface treatment, the useful result that it is produced the High-speed machining performance of this surface-treated alkalescence fine paper is described.In each embodiment, all use and contrast 1C identical Cypres, in other words, a kind of alkenyl ketene dimers is applied in the size press with the ratio of 2.5Kg/ metric ton, the adding ratio used with contrast 1C is identical.Yet each among these embodiment all is different from contrast 1C, and wherein a kind of inorganic filler and alkenyl ketene dimers Cypres finishing agent combine, and also are applied in the size press.

In embodiment 1-1, inorganic filler is a kaolin, HYDRAFINE ^_90 kaolin from New Jersey Edison's J.M.Huber Corp. acquisition, are used with the adding ratio of 10Kg/ metric ton.In embodiment 1-1, the weight ratio of inorganic filler and Cypres is 4: 1.The result who on IBM 3800 laser printers the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 2.75～3.0 inches (7.0～7.6 centimetres).

In embodiment 1-2, inorganic filler is a silica, OPTISIL ^_3265 silica, a kind of amorphous silica of precipitation can obtain from J.M.Huber Corp., uses with the adding ratio of 2.5Kg/ metric ton paper.In embodiment 1-2, the weight ratio of filler and Cypres is 1: 1.The result who on IBM 3800 laser printers the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 2.75～3.0 inches (7.0～7.6 centimetres).

In embodiment 1-3, inorganic filler is a titanium dioxide, TI-PURE ^_The R-941 rutile titanium dioxide from the E.I.duPont de Nemours﹠Company acquisition in Wilmington, Delaware State city, is used with the ratio of 2.5Kg/ metric ton paper.In embodiment 1-3, the weight ratio of filler and Cypres is 1: 1.The result that the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 3.0 inches (7.6 centimetres).

In embodiment 1-4, inorganic filler is a bentonite, AQUAGEL GOLD SEAL ^_Bentonite (sodium montmorillonite for example obtains from the Baroid Corporation in Houston, Texas city) is used with the adding ratio of 1.0Kg/ metric ton.In embodiment 1-4, the weight ratio of filler and Cypres is 0.4: 1.The result that the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 2.75～3.0 inches (7.0～7.6 centimetres).

The surface treatment of each embodiment of embodiment 1-1 in the 1-4, preferably with inorganic filler of the present invention, it is used in combination with a kind of alkenyl ketene dimers Cypres, this surface treatment presents good High-speed machining performance, its with used identical alkaline fine paper but not carry out any surface-treated contrast good High-speed machining performance that 1B obtained similar.For embodiment 1-1 to 1-4, the result who on IBM 3800 laser printers the High-speed machining performance is assessed is: it is 3 inches (7.6 centimetres) that its waveform maximum height obviously is reduced to maximum height, and compare with the processing result unsatisfactory of contrast among the 1C, greatly reduced or eliminated the wrong quantity of feeder and location.When comparing with the relatively poor processing characteristics of contrast 1C, both amazing in the High-speed machining performance that embodiment 1-1 significantly improves in the 1-4, unexpected again, in contrast 1C, with to 1-4 identical reactive sizing agent and consumption alkaline paper being carried out surface treatment, be not used for the surface-treated inorganic filler but add with embodiment 1-1.

Several additional Comparative Examples are also finished in the present embodiment, it uses other inorganic filler to be applied in the size press, but be different from the employed inorganic filler in the 1-4 at embodiment 1-1, these surface treated paper do not produce gratifying High-speed machining performance.Although these inorganic fillers only make the processing characteristics of the alkaline fine paper of top sizing improve seldom, perhaps do not improve, still think that the raising of paper runnability can be by adding how same inorganic filler, perhaps use the inorganic filler of different brackets to realize with higher surface area or higher absorbability.

Comparative Examples C1-1 has assessed three kinds of silicate fillers that add with the ratio of 2.5Kg/ metric ton paper to C1-3, and the weight ratio of filler and Cypres all is 1: 1 in each embodiment.Inorganic filler among Comparative Examples C1-1 and the C1-2 is a calcium silicates, is respectively HUBERSORB ^_600 calcium silicates and HUBERSORB ^_250 calcium silicates can obtain from New Jersey Edison's J.M.Huber Corp..In Comparative Examples C1-1, the average particle size particle size of the amorphous silicic acid calcium of precipitation is than employed more tiny among the Comparative Examples C1-2.In Comparative Examples C1-3, inorganic filler is HYDREX ^_The amorphous silicate of P precipitation can obtain from Edison J.M.Huber Corp. of New Jersey.For Comparative Examples C1-1 each example in the C1-3, the High-speed machining performance assessed obtain not satisfied result: after 10 minutes, its waveform maximum height surpasses 6 inches (above 15 centimetres).

A kind of inorganic filler is combined as surface conditioning agent with a kind of reactive surfaces sizing agent, with the working ability of the paper that improves the reactive surfaces sizing agent only exist on paper, its unexpected performance can further prove by the following discovery relevant with use internal sizing agent.The present inventor has been found that and works as HUBERSORB ^_600 calcium silicates use adding ratio with the 10Kg/ metric ton when the wet end of paper technology uses as the internal sizing agent, can improve the processing characteristics of a kind of alkaline fine paper of executing in carrying out with the adding ratio of 1.1Kg/ metric ton with a kind of alkyl ketene dimer, but contrast use as internal additives or OPTISIL ^_3265 silica HYDREX ^_The amorphous silicate of P precipitation does not but improve the processing characteristics of the alkaline fine paper of the identical internal sizing agent (alkyl ketene dimer) that contains same ratio.

Comparative Examples C1-4 and C1-5 have assessed as inorganic filler and have been applied to surface-treated calcium carbonate, and its adding ratio with 10.0Kg/ metric ton paper is used, and the weight ratio of filler and Cypres is 4: 1.In Comparative Examples C1-4, inorganic filler is HYDROCARBTM 90 powdered whitings, can be from the OMYA of Vermont State Florence, and Inc. obtains and in Comparative Examples C1-5, inorganic filler is ALBACAR ^_The calcium carbonate of HO precipitation obtains from the special-purpose mineral company of New York, New York.In above two Comparative Examples, the High-speed machining performance assessed obtain not satisfied result: its waveform maximum height surpasses 6 inches (above 15 centimetres).

Comparative Examples C1-6 has assessed the aluminium oxide as inorganic filler, and its adding ratio with 2.5Kg/ metric ton paper is used, and the weight ratio of filler and Cypres is 1: 1.Inorganic filler is HYDRAL ^_710 aluminium oxide can obtain from the Alcoa aluminium oxide and the chemical company of Pittsburgh, Pennsyivania.In Comparative Examples C1-7, inorganic filler is a talcum powder, i.e. magnesium silicate, and its ratio with 10.0Kg/ metric ton paper adds, and the weight ratio of filler and Cypres is 4: 1.Inorganic filler in Comparative Examples C1-7 is VANTALC ^_The 6H talcum powder, from the R.T.Vanderbilt Company of Connecticut State Norwalk, Inc.t obtains.The High-speed machining performance of Comparative Examples C1-6 and C1-7 all is difficult to make us accepting: after 10 minutes, its waveform maximum height surpasses 6 inches (above 15 centimetres).

Table 1

Embodiment	Surface treatment				Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment						Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Contrast 1A	Do not have	Do not have	????0			Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)		????2．5～2．75 ????(6．4～7．0)	Acid fine paper; With rosin ﹠ alum as the internal sizing agent
Contrast 1B	Contrast 1A	Do not have	Do not have	????0	Do not have	Do not have	????0		????2．5～2．75 ????(6．4～7．0)	Use the alkaline paper * of internal sizing agent		????2．5～2．75 ????(6．4～7．0)
Contrast 1B	Contrast 1C	????2．5	Do not have	????0	Do not have	Do not have	????0		????2．5～2．75 ????(6．4～7．0)	Use the alkaline paper * of internal sizing agent		????6+ ????(15+)
	Contrast 1C	????2．5	Do not have	????0								????6+ ????(15+)
	????1-1	????2．5	Kaolin (HYDRAFINE ^_90)	????10．0							????4∶1	????2．75～3．0 ????(7．0～7．6)
????1-2	????1-1	????2．5	Kaolin (HYDRAFINE ^_90)	????10．0	????2．5	Silica (OPTISIL ^_3265)	????2．5	????1∶1	????2．5～3．0 ????(7．0～7．6)		????4∶1	????2．75～3．0 ????(7．0～7．6)
????1-2	????1-3	????2．5	Titanium dioxide (TI-PURE ^_R-941)	????2．5	????2．5	Silica (OPTISIL ^_3265)	????2．5	????1∶1	????2．5～3．0 ????(7．0～7．6)		????1∶1	????3．0 ????(7．6)
????1-4	????1-3	????2．5	Titanium dioxide (TI-PURE ^_R-941)	????2．5	????2．5	Bentonite (AQUAGEL GOLD SEAL ^_	????1．0	????0．4∶1	????2．75～3．0 ????(7．0～7．6)		????1∶1	????3．0 ????(7．6)
????1-4					????2．5	Bentonite (AQUAGEL GOLD SEAL ^_	????1．0	????0．4∶1	????2．75～3．0 ????(7．0～7．6)

Embodiment	Surface treatment				Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment						Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Comparative Examples C1-1	????2．5	Calcium silicates (HUBERSORB ^_600)	????2．5			Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)	????1∶1	????6+ ????(15+)	The alkaline paper * of internal sizing
Comparative Examples C1-2	Comparative Examples C1-1	????2．5	Calcium silicates (HUBERSORB ^_600)	????2．5	????2．5	Calcium silicates (HUBERSORB ^_250)	????2．5	????1∶1	????6+ ????(15+)		????1∶1	????6+ ????(15+)	The alkaline paper * of internal sizing
Comparative Examples C1-2	Comparative Examples C1-3	????2．5	Amorphous silicate (the HYDREX of precipitation ^_P)	????2．5	????2．5	Calcium silicates (HUBERSORB ^_250)	????2．5	????1∶1	????6+ ????(15+)		????1∶1	????6+ ????(15+)
Comparative Examples C1-4	Comparative Examples C1-3	????2．5	Amorphous silicate (the HYDREX of precipitation ^_P)	????2．5	????2．5	Calcium carbonate (the HYDROCARB that grinds ^TM90)	????10．0	????4∶1	????6+ ????(15+)		????1∶1	????6+ ????(15+)
Comparative Examples C1-4	Comparative Examples C1-5	????2．5	Calcium carbonate (the ALBACAR of precipitation ^_HO)	????10．0	????2．5	Calcium carbonate (the HYDROCARB that grinds ^TM90)	????10．0	????4∶1	????6+ ????(15+)		????4∶1	????6+ ????(15+)
Comparative Examples C1-6	Comparative Examples C1-5	????2．5	Calcium carbonate (the ALBACAR of precipitation ^_HO)	????10．0	????2．5	Aluminium oxide (HTDRAL ^_710)	????2．5	????1∶1	????6+ ????(15+)		????4∶1	????6+ ????(15+)
Comparative Examples C1-6	Comparative Examples C1-7	????2．5	Talcum powder (magnesium silicate) (VANTALC ^_6H)	????10．0	????2．5	Aluminium oxide (HTDRAL ^_710)	????2．5	????1∶1	????6+ ????(15+)		????4∶1	????6+ ????(15+)

* addition is the alkenyl ketene dimers of 0.47Kg/ metric ton paper

Embodiment 2

Embodiment 2 has assessed the High-speed machining Effect on Performance to a kind of alkaline fine paper, wherein with many different alkenyl ketene dimers reactive surfaces sizing agents combine with kaolin as inorganic filler (using) with different adding ratios and different filler and the weight ratio of Cypres described paper is carried out surface treatment.The used paper of present embodiment is an alkaline paper, and it uses a kind of alkenyl ketene dimers, carries out internal sizing with the adding ratio of 0.47Kg/ metric ton paper, and the alkaline paper of internal sizing was once used among the contrast 1B in embodiment 1 in the same manner.2-oxetanone reactive sizing agent is a kind of alkenyl ketene dimers sizing agent, and is employed identical among this reactive sizing agent and the embodiment 1.The inorganic filler of using in embodiment 2 is HYDRAFINE ^_90 kaolin, from New Jersey Edison's J.M.Huber Corporation acquisition, this kaolin is the tiny clay of a kind of particle size, the particle size that 90～96wt% is arranged in its particle size distribution is less than 2 microns.Although employed kaolin is a kind of dry powder in embodiment 2, preferred a kind of kaolinic aqueous slurry in industrial practice.In the table 2 below the assessment result described in the embodiment 2 all is summarised in.

Be used alone the surface conditioning agent of alkenyl ketene dimers, finish two contrasts, contrast 2A and contrast 2B, its adding ratio with 1.75Kg/ metric ton paper is applied in the size press, and any inorganic filler is not applied to the surface.The result who on IBM 3800 laser printers the High-speed machining performance is assessed is: after 10 minutes, the waveform maximum height of contrast 2A is that the waveform maximum height of 4.0～6.0 inches (10.1～15.2 centimetres) and contrast 2B is 3 inches (7.6 centimetres).

Use identical reactive surfaces sizing agent and add ratio and finish embodiment 2-1 to 2-3, but with three kinds of different adding ratios (2.5,5 and 10Kg/ metric ton paper), simultaneously in size press, carry out surface treatment with the kaolin filler, the weight ratio of corresponding filler and Cypres is respectively: 1.4: 1,2.8: 1 and 5.7: 1.The result that each High-speed machining performance among three embodiment is assessed shows that the surface-treated paper has good performance, and wherein the waveform maximum height after 10 minutes has only 2.75 inches (7.0 centimetres).

In embodiment 2 is carried out next group assessment, the adding ratio of alkenyl ketene dimers Cypres is increased to 2.5Kg/ metric ton paper (the 1.75Kg/ metric ton paper in top first group).Adding ratio with specific 2.5Kg/ metric ton paper is applied to alkenyl ketene dimers in the size press, finishes three contrasts, contrast 2C, and 2D and 2E, and do not carry out any surface treatment with a kind of inorganic filler simultaneously.The result that the High-speed machining performance is assessed shows, for contrast 2C, the surface treated paper of 2D and 2E has good performance usually, wherein for the waveform maximum height after 10 minutes, contrast 2C is 5.0 inches (12.7 centimetres), contrast 2D is 4.0-6.0 inch (10.-15.2 a centimetre), and contrast 2E surpasses 6.0 inches (above 15 centimetres).

In embodiment 2-4 and 2-5, add the alkenyl ketene dimers sizing agent with the ratio of 2.5Kg/ metric ton, alkaline paper is carried out surface treatment, it is also included within the size press, with two different adding ratios simultaneously with HYDRAFINE ^_90 kaolin are applied to the surface, 3.75Kg/ metric ton among the embodiment 2-4, and the weight ratio of its filler and Cypres is a 5Kg/ metric ton among 1.5: 1 and the embodiment 2-5, the weight ratio of its filler and Cypres is 2: 1.The High-speed machining performance of embodiment 2-4 is gratifying generally, wherein the waveform maximum height after 10 minutes is 3.0～3.25 inches (7.6～8.2 centimetres), with also have so significant raising for embodiment 2-5, wherein the adding ratio of kaolin filler is the 5Kg/ metric ton, rather than the 3.75Kg/ metric ton.For the measured waveform maximum height of embodiment 2-5 is 2.75 inches (7.0 centimetres), shows good High-speed machining performance.

In next group assessment of embodiment 2, the adding ratio of alkenyl ketene dimers further is increased to 3.75Kg/ metric ton paper.In contrast 2-F, carry out alkenyl ketene dimers with the adding ratio of 3.75Kg/ metric ton and apply, and do not carry out surface-coated with inorganic filler simultaneously.The assessment result of the High-speed machining performance of contrast 2-F is: the waveform maximum height surpasses 6 inches (above 15 centimetres), shows that its paper runnability is difficult to accept.In embodiment 2-6, in size press with the equal adding rate of 3.75Kg/ metric ton with alkenyl ketene dimers Cypres and kaolin applying filler in the surface, the weight ratio of its filler and Cypres is 1: 1.The High-speed machining performance of this surface-treated alkaline paper and contrast comparing among the 2-F are improved to some extent, and the waveform maximum height after 10 minutes is 4.5～6 inches (11.4～15.2 centimetres).In embodiment 2-7, the adding ratio of kaolin filler is increased to the 5Kg/ metric ton from 3.75Kg/ metric ton (using) among embodiment 2, to such an extent as to the weight ratio of its filler and Cypres is 1.3: 1 in embodiment 2-7.High-speed machining performance somehow or other measured in embodiment 2-7 is unsatisfactory, and the waveform maximum height after 10 minutes surpasses 6 inches (above 15 centimetres).

In embodiment 2-8, compare with 2-7 with embodiment 2-6, the adding ratio of kaolin filler further is increased to the 7.5Kg/ metric ton.Therefore the filler among the embodiment 2-8 and the weight ratio of Cypres are 2: 1, and the kaolin filler of this ratio and Cypres provide good High-speed machining performance.High-speed machining performance measured among the embodiment 2-8 is: the waveform maximum height after 10 minutes is 2.75 inches (7 centimetres), shows that this surface-treated alkalescence fine paper has good paper runnability.

In last group assessment that embodiment 2 is done, the adding ratio of the alkenyl ketene dimers Cypres in the size press is increased to 5Kg/ metric ton paper, and has assessed the HYDRAFINE that adds with two different ratios ^_90 kaolin.In Comparative Examples C2-1, the adding ratio of kaolin filler is the 3.75Kg/ metric ton, and the weight ratio of filler and Cypres is 0.75: 1.The measured High-speed machining performance of this Comparative Examples C2-1 is not satisfied, and the waveform maximum height after 10 minutes surpasses 6 inches (above 15 centimetres).In embodiment 2-9, the adding ratio of kaolin filler is an employed twice among the Comparative Examples C2-1, is 7.5Kg/ metric ton paper, and the weight ratio of its filler and Cypres is 1.5: 1.The measured High-speed machining performance of this embodiment 2-9 is good, and the waveform maximum height after 10 minutes is 3.0～3.25 inches (7.6～8.2 centimetres).

These results that are summarised in the following table 2 show, a kind of kaolin filler and alkenyl ketene dimers reactive sizing agent are applied to the surface, when the weight ratio of kaolin filler and alkenyl ketene dimers Cypres surpasses 1: 1, can provide the result of good High-speed machining performance.Result in the present embodiment shows equally, for the alkaline fine paper with the alkenyl ketene dimers top sizing, when the weight ratio of inorganic kaolin filler and Cypres is 1.5～3 approximately: in the time of 1, can obtain the High-speed machining performance of optimum economic benefit.The weight ratio of kaolin filler and Cypres surpasses 3: 1, good High-speed machining performance also can be provided, but economic benefit can not occur, because 1.5～3: the weight ratio in 1 scope will have similar excellent results.

Table 2

Embodiment	Surface treatment			Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment					Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Kaolin filler (HYDRAFINE ^_90) adding ratio (kg/ metric ton)	Filler: Cypres (weight ratio)
	Contrast 2A	????1．75	Do not have			Alkenyl ketene dimers adds ratio (Kg/ metric ton)		Filler: Cypres (weight ratio)		4．0-6．0(10．1-15．2)	Use the alkaline paper * of internal sizing agent
Contrast 2B	Contrast 2A	????1．75	Do not have	????1．75	Do not have		????3．0(7．6)	????＂		4．0-6．0(10．1-15．2)	Use the alkaline paper * of internal sizing agent
Contrast 2B	????2．1	????1．75	????2．5	????1．75	Do not have		????3．0(7．6)	????＂	????1．4∶1	????2．75(7．0)	????＂
????2-2	????2．1	????1．75	????2．5	????1．75	????5	????2．8∶1	????2．75(7．0)	????＂	????1．4∶1	????2．75(7．0)	????＂
????2-2	????2-3	????1．75	????10	????1．75	????5	????2．8∶1	????2．75(7．0)	????＂	????5．7∶1	????2．75(7．0)	????＂
Contrast 2C	????2-3	????1．75	????10	????2．5	Do not have		????5．0(12．7)	????＂	????5．7∶1	????2．75(7．0)	????＂
Contrast 2C	Contrast 2D	????2．5	Do not have	????2．5	Do not have		????5．0(12．7)	????＂		4．0-6．0(0．1-15．2)	????＂
Contrast 2E	Contrast 2D	????2．5	Do not have	????2．5	Do not have		????6+(15+)	????＂		4．0-6．0(0．1-15．2)	????＂
Contrast 2E	????2-4	????2．5	????3．75	????2．5	Do not have		????6+(15+)	????＂	????1．5∶l	?3．0-3．25(7．6-8．2)	????＂
????2-5	????2-4	????2．5	????3．75	????2．5	????5	????2∶l	????2．75(7．0)	????＂	????1．5∶l	?3．0-3．25(7．6-8．2)	????＂
????2-5	Contrast 2F	????3．75	Do not have	????2．5	????5	????2∶l	????2．75(7．0)	????＂

Embodiment	Surface treatment			Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment					Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Kaolin filler (HYDRAFINE ^_90) adding ratio (Kg/ metric ton)	Filler: Cypres (weight ratio)
	????2-6	????3．75	????3．75			Alkenyl ketene dimers adds ratio (Kg/ metric ton)		Filler: Cypres (weight ratio)	????1∶1	?4．5～6．0(11．4～15．2)	????″
????2-7	????2-6	????3．75	????3．75	????3．75	????5	????1．3∶1	????6+(15+)	????″?	????1∶1	?4．5～6．0(11．4～15．2)	????″
????2-7	????2-8	????3．75	????7．5	????3．75	????5	????1．3∶1	????6+(15+)	????″?	????2∶1	????2．75(7．0)	????″
Comparative Examples C2-1	????2-8	????3．75	????7．5	????5．0	????3．75	????0．75∶1	????6+(15+)	????″	????2∶1	????2．75(7．0)	????″
Comparative Examples C2-1	????2-9	????5．0	????7．5	????5．0	????3．75	????0．75∶1	????6+(15+)	????″	????1．5∶1	?3．0～3．25(7．6～8．2)	????″?

* adding rate is the alkenyl ketene dimers of 0.47Kg/ metric ton paper

Embodiment 3

Embodiment 3 has described another to alkaline paper accurately assessment of processing characteristics at a high speed, and this paper is by method manufacturing recited above, and 2-oxetanone reactive sizing agent is combined with different inorganic fillers it is carried out surface treatment.The whole assessment results that are described among the embodiment 3 are summarized in the following table 3.

Finish several basic case of comparative examples.Contrast 3A is the assessment to the acid fine paper of making in the usual way in the prior art, and it uses rosin and alum as the internal sizing agent, does not carry out surface treatment.In contrast 3A, the result who uses the IBM high-speed printer that the High-speed machining performance of acid fine paper is assessed is: the waveform maximum height after 10 minutes is 2.5～2.75 inches (6.4～7.0 centimetres), has shown the performance that it is good.Contrast 3B, second basic contrast is that its internal sizing agent is a kind of alkenyl ketene dimers that joins the wet end place with the ratio of 0.47Kg/ metric ton paper by the top described a kind of alkaline fine paper of making on the experiment type paper machine of western University of Michigan--Ann Arbor.Surface treatment is carried out in the 2-oxetanone reactive sizing agent alkaline of no use or the inorganic filler of this internal sizing.The assessment result of the processing characteristics of this alkalescence fine paper is good, is equal to the acid fine paper that obtains among the contrast 3A.Under situation without any top sizing, no matter be the acid fine paper of internal sizing, or the alkaline fine paper of internal sizing, all have good High-speed machining performance.

Contrast 3C is the 3rd contrast of finishing, and it uses the alkaline fine paper of the internal sizing identical with contrast 3B, but carries out top sizing with reactive 2-oxetanone sizing agent, shows the adverse effect that this Cypres is produced the High-speed machining performance.In contrast 3C, use the used identical sizing agent of paper internal sizing, the alkaline fine paper of internal sizing is carried out surface treatment, for example,, be applied in the size press with the adding ratio of 1.0Kg/ metric ton with a kind of alkenyl ketene dimers reactive sizing agent.Similarly, contrast 3D uses identical alkenyl ketene dimers reactivity to execute material with 3E too, is applied in the size press with higher adding ratio (be respectively 1.75 and 2.5Kg/ metric ton).To contrast 3C, the High-speed machining performance of 3D and 3E is assessed on IBM 3800 high speed laser printers, and after 10 minutes, its waveform maximum height is respectively: 2.75 inches (7.0 centimetres); 4～6 inches (10.1～15.2 centimetres); With 5.0 inches (12.7 centimetres).Contrast 3C, the assessment result of the High-speed machining performance of 3D and 3E shows, along with a kind of increase of surface applications concentration of alkenyl ketene dimers Cypres, it is poorer that the High-speed machining performance becomes gradually.

The alkaline paper of use used internal sizing in contrast 3E, but alkenyl ketene dimers is finished several embodiment with a kind of inorganic filler in conjunction with carrying out surface treatment, the useful result that it is produced the High-speed machining performance of this surface-treated alkalescence fine paper is described.In each example, all use identical Cypres with contrast 3E, in other words, use a kind of alkenyl ketene dimers with the ratio of 2.5Kg/ metric ton, the Ratio Conditions used with contrast 1C is identical.Yet, be different from the place that contrasts 3E at each embodiment and be, as described down, a kind of inorganic filler also combines with alkenyl ketene dimers, uses in size press as a kind of surface conditioning agent.

In Comparative Examples C3-1, inorganic filler is a calcium silicates, and the HUBERSORB_600 calcium silicates from Edison J.M.Huber Corp. acquisition of New Jersey, is used with the adding ratio of 1.5Kg/ metric ton.The weight ratio of inorganic filler and Cypres is 0.6: 1 in Comparative Examples C3-1.The result who on IBM 3800 laser printers the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 6 inches (15.2 centimetres), and showing has relatively poor paper runnability.

In embodiment 3-1, use identical inorganic filler, i.e. HUBERSORB_600 calcium silicates, but the adding ratio of filler is increased to the 2.5Kg/ metric ton in this surface treatment, as with Comparative Examples 3-1 in the comparison of 1.5Kg/ metric ton.In embodiment 3-1, the weight ratio of filler and Cypres is 1: 1.The result that the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height is 2.75～3.0 inches (7.0～7.6 centimetres), and showing has good paper runnability.

Under the prerequisite of the adding ratio that uses in embodiment 3-1 and the weight ratio of filler and Cypres, the waveform of the paper that is caused by alkenyl ketenes Cypres and the problem of runnability have been eliminated in the calcium silicates inorganic filler.The weight ratio that the filler that uses in embodiment 3-1 adds ratio and filler and Cypres has improved the runnability of paper and has produced wholesome effect, its with Comparative Examples C3-1 in the favourable a little or adverse effect formation of giving that the maneuverability the subject of knowledge and the object of knowledge of paper brings of the calcium silicates of low addition contrast.In embodiment 1, adopt Comparative Examples C1-1 to obtain relatively poor sheet processing performance, it also uses the HUBERSORB_ calcium silicates, and it is similar to the addition of the HUBERSORB_ calcium silicates that uses among the embodiment 3-1, show that 1: 1 the filler and the weight ratio of Cypres should be increased, for example, be increased to weight ratio above 1: 1, to guarantee that under the adding ratio of the alkenyl ketene dimers that these embodiment use the inorganic filler that is applied to the surface brings consistent raising can for too the processing characteristics of paper.

Embodiment 3-2 is in 3-4, and inorganic filler is a kind of kaolin, HYDRAFINE ^_90 kaolin obtain from the J.M.Huber Corp. in New Jersey Edison city, use with three kinds of different adding ratios, promptly are respectively 2.5,5.0 and the 10.0Kg/ metric ton.Alkenyl ketene dimers is applied among these three embodiment as a kind of surface conditioning agent equally, and it adds ratio is the 2.5Kg/ metric ton, embodiment 3-2 in the 3-4 filler and the weight ratio of Cypres be respectively: 1: 1,2: 1 and 4: 1.On IBM 3800 laser printers the High-speed machining performance among embodiment 3-3 and the 3-4 is assessed, compared with only obtaining medium processing characteristics among the embodiment 3-2, their processing characteristics is good.To 3-4, the waveform maximum height after 10 minutes is respectively to embodiment 3-2: 4 inches (10.1 centimetres); 3 inches (7.6 centimetres); With 2.5～3 inches (7.0～7.6 centimetres).These results are summarised in the following table 3, show the alkenyl ketene dimers of using as Cypres with the adding ratio of 2.5Kg/ metric ton for a kind of, the weight ratio of kaolin filler and Cypres can make the alkaline paper of the excellent internal sizing of using in embodiment 3 have good processing characteristics greater than 1: 1.

Table 3

Embodiment	Surface treatment				Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment						Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Contrast 3A	Do not have	Do not have	????0			Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)		?2．5～2．75 ?(6．4～7．0)	Acid fine paper: use rosin ﹠ alum as the internal sizing agent
Contrast 3B	Contrast 3A	Do not have	Do not have	????0	Do not have	Do not have	????0		?2．75(7．0)	Use the alkaline paper * of internal sizing agent		?2．5～2．75 ?(6．4～7．0)
Contrast 3B	Contrast 3C	????1．0	Do not have	????0	Do not have	Do not have	????0		?2．75(7．0)	Use the alkaline paper * of internal sizing agent		?2．75(7．0)
Contrast 3D	Contrast 3C	????1．0	Do not have	????0	????1．75	Do not have	????0		?4．0～6．0 (10．1～15．2)			?2．75(7．0)
Contrast 3D	Contrast 3E	????2．5	Do not have	????0	????1．75	Do not have	????0		?4．0～6．0 (10．1～15．2)			?5．0(12．7)
Comparative Examples C3-1	Contrast 3E	????2．5	Do not have	????0	????2．5	Calcium silicates (HUBERSORB ^_600)	????1．5	????0．6∶1	?6．0 ?(15．2)			?5．0(12．7)
Comparative Examples C3-1	????3-1	????2．5	Calcium silicates (HUBERSORB ^_600)	????2．5	????2．5	Calcium silicates (HUBERSORB ^_600)	????1．5	????0．6∶1	?6．0 ?(15．2)		????1∶1	?2．75～3．0 ?(7．0～7．6)
????3-2	????3-1	????2．5	Calcium silicates (HUBERSORB ^_600)	????2．5	????2．5	Kaolin (HYDRAFINE ^_90)	????2．5	????1∶1	?4．0 ?(10．1)		????1∶1	?2．75～3．0 ?(7．0～7．6)
????3-2	????3-3	????2．5	Kaolin (HYDRAFINE ^_90)	????5．0	????2．5	Kaolin (HYDRAFINE ^_90)	????2．5	????1∶1	?4．0 ?(10．1)		????2∶1	?3．5(8．9)
????3-4	????3-3	????2．5	Kaolin (HYDRAFINE ^_90)	????5．0	????2．5	Kaolin (HYDRAFINE ^_90)	????10．0	????4∶1	?2．75～3．0 ?(7．0～7．6)		????2∶1	?3．5(8．9)

* adding rate is the alkenyl ketene dimers of 0.47Kg/ metric ton paper

Embodiment 4

Embodiment 4 has described the assessment to the accurate processing characteristics of high speed of paper, this paper is by method manufacturing recited above, it is used for surface-treated 2-oxetanone reactive sizing agent is a kind of alkyl ketene dimer, rather than the alkenyl ketene dimers of using among the embodiment in front.This alkyl ketene dimer is based on C ₁₆～C ₁₈Saturated aliphatic acid (palmitic acid and stearic acid), it is applied to alkaline fine paper as a kind of surface conditioning agent with the adding ratio of 1.0Kg/ metric ton.

Finish two basic case of comparative examples.Contrast 4A is the assessment to the acid fine paper of making in the usual way in the prior art, and it uses rosin and alum as the internal sizing agent, does not carry out surface treatment.The acid fine paper that contrast is used among the 4A has that the waveform maximum height is 2.5～2.75 inches (6.4～7.0 centimetres) after 10 minutes, shows that generally the paper runnability of fine paper of the prior art is good.

Contrast 4B, second basic contrast, be by top described a kind of alkaline paper of making on the experiment type paper machine of western University of Michigan--Ann Arbor, its internal sizing agent is a kind of alkyl ketene dimer (not being alkenyl ketene dimers) that joins the wet end place with the ratio of 0.47Kg/ metric ton paper.The alkaline fine paper of this internal sizing also carries out top sizing with a kind of reactive 2-oxetanone sizing agent, for example, aforesaid alkyl ketene dimer brings adverse influence can for the High-speed machining performance to show a kind of like this alkyl ketene dimer Cypres of use.Utilize size press, the alkyl ketene dimer reactive sizing agent is applied to the surface of paper with the adding ratio of 1.0Kg/ metric ton.High-speed machining performance to the alkaline fine paper of this top sizing on IBM 3800 high speed laser printers is assessed, after 10 minutes, its waveform maximum height is 3.5 inches (8.9 centimetres), and causes long-range loop deviation (long looperror).

The alkaline paper of the internal sizing that use is used in contrast 4B is finished embodiment 4-1, but alkyl ketene dimer and a kind of inorganic filler combined carry out surface treatment, to show the useful result of this surface-treated alkalescence fine paper on the High-speed machining performance.Inorganic filler is a kaolin, HYDRAFINE ^_90 kaolin from the J.M.Huber Corp. acquisition in New Jersey Edison city, are used with the adding ratio of 10Kg/ metric ton.Since the ratio with the 1.0kg/ metric ton in size press adds alkyl ketene dimer, the weight ratio of inorganic filler and Cypres is 10: 1 in embodiment 4-1 so.The assessment result of High-speed machining performance is: after 10 minutes, its waveform maximum height is 2.75 inches (7.0 centimetres), shows that it has and the acid fine paper similar good paper runnability of contrast among the 4A.Result among the embodiment 4-1 shows, is the HYDRAFINE that adds at 10: 1 with the weight ratio of filler and Cypres ^_90 kaolin have been eliminated by the caused waveform of the alkyl ketene dimer of surface-coated.Therefore method among the present invention also is applicable to alkyl ketene dimer, for example alkyl ketene dimer of being made by the mixture of saturated aliphatic acid.

In order to further specify, will contrast 4C and be included among the embodiment 4, show as a kind of internal sizing agent to be present in the High-speed machining performance depreciation that a kind of alkyl ketene dimer in the alkaline fine paper can cause paper with moderate quatity.This can be that 3.25 inches (8.2 centimetres) show by the waveform maximum height, and it is that this alkyl ketene dimer is by a kind of C owing to the inner alkyl ketene dimer that adds at the wet end place ₁₆～C ₁₈The mixture manufacturing of saturated aliphatic acid (palmitic acid and stearic acid) is with the ratio adding of 1.1Kg/ metric ton.For the paper of this internal sizing, surface treatment is carried out in Cypres of no use and/or inorganic filler.

Table 4

Embodiment	Surface treatment				Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment						Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Contrast 4A	Do not have	Do not have	????0			Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Filler	The adding ratio of filler (Kg/ metric ton)	Filler: Cypres (weight ratio)		????2．5～2．75 ????(6．4～7．0)	Acid fine paper; With rosin ﹠ alum as the internal sizing agent
Contrast 4B	Contrast 4A	Do not have	Do not have	????0	????1．0	Do not have	????0		3.5 (8.9) long-range loop deviation	Use the alkaline paper * of internal sizing agent		????2．5～2．75 ????(6．4～7．0)
Contrast 4B	4-1	????1．0	Kaolin (HYDRAFINE ^_90)	????10．0	????1．0	Do not have	????0		3.5 (8.9) long-range loop deviation	Use the alkaline paper * of internal sizing agent	????10∶1	?2．75(7．0)
Contrast 4C	4-1	????1．0	Kaolin (HYDRAFINE ^_90)	????10．0	Do not have	Do not have	????0		?3．25(8．2)	Use the alkaline paper * * of internal sizing agent	????10∶1	?2．75(7．0)

* adding rate is the alkenyl ketene dimers of 0.47Kg/ metric ton paper

The * adding rate is the alkyl ketene dimer of 1.1Kg/ metric ton paper

Embodiment 5

Embodiment 5 has assessed the High-speed machining Effect on Performance to a kind of alkaline fine paper, wherein combine with the bentonite as inorganic filler with many different alkenyl ketene dimers reactive surfaces sizing agents this paper is carried out surface treatment, adding ratio of the two and filler are different with the weight ratio of Cypres.The inorganic filler of using in embodiment 5 is VOLCLAY ^_HPM 75 bentonites, thatch AmcolIntemational Corporation obtains from sea, Arlington, Illinois, in the table 5 below the assessment result described in the embodiment 5 all is summarised in.

Finish three basic case of comparative examples.Contrast 5A is the assessment to the acid fine paper of making in the usual way in the prior art, and it uses rosin and alum as the internal sizing agent, does not carry out surface treatment.The assessment result of the High-speed machining performance of the acid fine paper that uses among the contrast 5A is: the waveform maximum height after 10 minutes is 2.5～2.75 inches (6.4～7.0 centimetres), and showing has good high-speed cruising performance.

Contrast 5B, second basic contrast, be a kind of alkaline paper of using the internal sizing agent to make, its internal sizing agent is a kind of alkenyl ketene dimers that joins the wet end place with the ratio of 0.47Kg/ metric ton paper, this alkalescence fine paper in fact with the contrast 1B that is described in embodiment 1 in identical.

Surface treatment is carried out in the alkaline paper 2-oxetanone of no use reactive sizing agent or the inorganic filler of the internal sizing among the contrast 5B.The result who on IBM 3800 high speed laser printers this paper is assessed is: after 10 minutes, its waveform maximum height is 2.75 inches (7.0 centimetres), and is similar to the result who obtains with alkaline fine paper among the contrast 5A.As mentioned above, under the situation without any top sizing, the acid fine paper of internal sizing and the alkaline fine paper of internal sizing all have good High-speed machining performance.

Contrast 5C, the 3rd contrast, the alkaline fine paper of the internal sizing that use is identical with contrast 5B carries out top sizing but execute material with reactive 2-oxetanone, shows the adverse effect of using this Cypres that the High-speed machining performance is produced.In contrast 5C, be used in the identical alkenyl ketene dimers reactive sizing agent that uses among the embodiment 1-3 the alkaline fine paper of internal sizing is carried out surface treatment (this sizing agent also is used for described paper is carried out internal sizing), be applied in the size press with the adding ratio of 2.5Kg/ metric ton.The result who on IBM 3800 high speed laser printers the High-speed machining performance is assessed is: after 10 minutes, its waveform maximum height surpasses 6 inches (above 15 centimetres), shows that the High-speed machining performance of the alkaline fine paper of this top sizing is difficult to accept.

Contrast 5A, the assessment result of contrast 5B and contrast 5C, and other embodiment that is finished in present embodiment 5 all are summarised in the following table 5.On IBM 3800 laser printers the High-speed machining performance of contrast 5A and contrast 5B is assessed, the runnability of paper is good, and feeder or location mistake do not take place.On the contrary, among the contrast 5C, the surface treatment of being carried out with a kind of alkenyl ketene dimers Cypres but has the High-speed machining performance that is difficult to accept, because when on IBM 3800 laser printers, assessing, its waveform maximum height is increased to and surpasses 6 inches (above 15 centimetres), and long-range loop deviation frequently takes place.

Use identical reactive surfaces sizing agent and add ratio and finish Comparative Examples C5-1 and embodiment 5-1 and 5-2, but in size press, add the bentonite filler with three kinds of different ratios and carry out surface treatment simultaneously, it adds ratio: 0.25,0.5 and 1.0Kg/ metric ton paper, the weight ratio of corresponding filler and Cypres is respectively: 0.1: 1,0.2: 1 and 0.4: 1.The High-speed machining performance of measuring among the Comparative Examples C5-1 is not satisfied, and the waveform maximum height after 10 minutes surpasses 6 inches (above 15 centimetres).In embodiment 5-1, the adding ratio of bentonite filler is among the Comparative Examples C5-1 employed 2 times, is 0.5Kg/ metric ton paper, and the weight ratio of its filler and Cypres is 0.2: 1.The High-speed machining performance of measuring among the embodiment 5-1 is good, and the waveform maximum height after 10 minutes is 3.5 inches (8.9 centimetres).Among the embodiment 5-2, the adding ratio of bentonite filler is employed 2 times (is among the Comparative Examples C5-1 employed 4 times) among the embodiment 5-1, is 1.0Kg/ metric ton paper, and the weight ratio of its filler and Cypres is 0.4: 1.The High-speed machining performance of measuring among the embodiment 5-2 is good, waveform maximum height after 10 minutes is 2.75 inches (7.0 centimetres), is equal to what basic contrast 5B obtained not contain Cypres and do not contain the High-speed machining performance of the alkaline paper of surface filler.

In next group assessment that embodiment 5 is carried out, the adding ratio of alkenyl ketene dimers Cypres is added to 3.75Kg/ metric ton paper (the 2.5Kg/ metric ton paper of contrast in first group).In Comparative Examples C5-2,, also comprise simultaneously in size press with the surface treatment that the adding ratio of 3.75Kg/ metric ton is carried out alkaline paper with the alkenyl ketene dimers sizing agent, add VOLCLAY with the ratio of 0.25Kg/ metric ton ^_The surface-coated that 90 bentonites (weight ratio of its filler and Cypres is 0.07: 1) are carried out.The High-speed machining performance of Comparative Examples C5-2 is difficult to accept, and the waveform maximum height after 10 minutes surpasses 6 inches (above 15 centimetres).

In embodiment 5-3 and 5-4, ratio (as in Comparative Examples C5-2) with the 3.75Kg/ metric ton adds the alkenyl ketene dimers sizing agent, alkaline paper is carried out surface treatment, but in the surface applications of its size press that carries out simultaneously, add the VOLCLAY_90 bentonite with two higher ratios: be the 0.5Kg/ metric ton in embodiment 5-3, the weight ratio of its filler and Cypres is 0.13: 1; Be the 1.0Kg/ metric ton in embodiment 2-5, the weight ratio of its filler and Cypres is 0.27: 1.The High-speed machining performance of embodiment 5-3 is gratifying generally, wherein the waveform maximum height after 10 minutes is 3.75 inches (9.5 centimetres), and for embodiment 5-4, its performance further improves, wherein the adding ratio of bentonite filler is the 1.0Kg/ metric ton, rather than the 0.5Kg/ metric ton.The measured waveform maximum height of embodiment 5-4 is 3.0 inches (7.6 centimetres), the High-speed machining performance that shows.

In last group assessment that embodiment 5 is done, the adding ratio of alkenyl ketene dimers Cypres is increased to 5.0Kg/ metric ton paper (comparing with the 3.75Kg/ metric ton in above-mentioned last group).In Comparative Examples C5-3 and 5-4, with the ratio adding alkenyl ketene dimers sizing agent of 5.0Kg/ metric ton, the surface treatment that alkaline paper is carried out also comprises the surface-coated of carrying out at size press simultaneously, and it adds VOLCLAY with two different ratios ^_90 bentonites: be the 0.25Kg/ metric ton in Comparative Examples 5-3, the weight ratio of its filler and Cypres is 0.05: 1 and is the 0.5Kg/ metric ton that the weight ratio of its filler and Cypres is 0.1: 1 in Comparative Examples 5-4.The High-speed machining performance of Comparative Examples C5-3 and C5-4 all is difficult to accept, and wherein the waveform maximum height after 10 minutes all surpasses 6 inches (above 15 centimetres).

In embodiment 5-5 and 5-6, ratio (as in Comparative Examples C5-3 and C5-4) with the 5.0Kg/ metric ton adds the alkenyl ketene dimers sizing agent once more, alkaline paper is carried out surface treatment, but in the surface-coated of in size press, being carried out simultaneously, with two more height ratio add VOLCLAY ^_90 bentonites: be the 0.5Kg/ metric ton in embodiment 5-5, the weight ratio of its filler and Cypres is 0.2: 1; Be the 1.5Kg/ metric ton in embodiment 5-6, the weight ratio of its filler and Cypres is 0.3: 1.The High-speed machining performance of embodiment 5-5 is gratifying generally, wherein the waveform maximum height after 10 minutes is 3.5 inches (8.9 centimetres), and for embodiment 5-6, its performance more is significantly increased, wherein the adding ratio of bentonite filler is the 1.5Kg/ metric ton, rather than the 1.0Kg/ metric ton.The measured waveform maximum height of embodiment 5-6 is 2.75 inches (7.0 centimetres), shows good High-speed machining performance, is equal to what basic contrast 5B obtained not contain Cypres and do not contain the High-speed machining performance of the alkaline paper of surface filler.

These results that are summarised in the embodiment 5 in the following table 5 show, a kind of bentonite filler and alkenyl ketene dimers reactive sizing agent are applied to the surface, when the weight ratio of bentonite filler and alkenyl ketene dimers Cypres surpasses 0.1: 1, can provide the result of gratifying High-speed machining performance.Result in the present embodiment shows equally, for alkaline fine paper with the alkenyl ketene dimers top sizing, when the weight ratio of inorganic bentonite filler and Cypres is 0.2: 1～0.4: 1 approximately, can obtain the High-speed machining performance of optimum economic benefit.The weight ratio of bentonite filler and Cypres surpasses 0.4: 1, good High-speed machining performance also can be provided, but economic benefit can not occur, because the weight ratio in preferred 0.2: 1～0.4: 1 scope

Table 5

Embodiment	Surface treatment			Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment					Alkenyl ketene dimers adds ratio (kg/ metric ton)	Bentonite filler (VOLCLAY ^_HPM75) add ratio (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Contrast 5A	Do not have	Do not have			Alkenyl ketene dimers adds ratio (kg/ metric ton)		Filler: Cypres (weight ratio)		????2．5～2．75 ????(6．4-7．0)	Use the acid fine paper of rosin ﹠ alum as the internal sizing agent
Contrast 5B	Contrast 5A	Do not have	Do not have	Do not have	Do not have		????2．75(7．0)	Use the alkaline paper * of internal sizing agent		????2．5～2．75 ????(6．4-7．0)
Contrast 5B	Contrast 5C	????2．5	Do not have	Do not have	Do not have		????2．75(7．0)	Use the alkaline paper * of internal sizing agent		6+ (15+) long-range loop deviation	????″
Comparative Examples C5-1	Contrast 5C	????2．5	Do not have	????2．5	????0．25	????0．1∶1	????6+(15+)	????″		6+ (15+) long-range loop deviation	????″
Comparative Examples C5-1	????5-1	????2．5	????0．5	????2．5	????0．25	????0．1∶1	????6+(15+)	????″	????0．2∶1	????3．5(8．9)	????″
????5-2	????5-1	????2．5	????0．5	????2．5	????1．0	????0．4∶1	????2．75(7．0)	????″	????0．2∶1	????3．5(8．9)	????″
????5-2	Comparative Examples C5-2	????3．75	????0．25	????2．5	????1．0	????0．4∶1	????2．75(7．0)	????″	????0．07∶1	????6+(15+)
????5-3	Comparative Examples C5-2	????3．75	????0．25	????3．75	????0．5	????0．13∶1	????3．75(9．5)	????″	????0．07∶1	????6+(15+)
????5-3	????5-4	????3．75	????1．0	????3．75	????0．5	????0．13∶1	????3．75(9．5)	????″	????0．27∶1	????3．0(7．6)	????″

Embodiment	Surface treatment			Waveform maximum height (inch (centimetre)) after 10 minute	Remarks
	Surface treatment					Alkenyl ketene dimers adds ratio (Kg/ metric ton)	Bentonite filler (VOLCLAY_HPM75) adds ratio (Kg/ metric ton)	Filler: Cypres (weight ratio)
	Comparative Examples C5-3	5.0	0.25			0.05∶1	6+(15+)	″
Comparative Examples C5-4	5.0	0.5	0.1∶1	6+(15+)	″
5-5	5.0	1.0	0.2∶1	3.5(8.9)	″
5-6	5.0	1.5	0.3∶1	2.75(7.0)	″

* alkenyl ketene dimers, adding rate is a 0.47Kg/ metric ton paper

Aforesaid particular is explanation of the invention process.The present invention can take other specific forms specifically to implement, and does not depart from spirit and the inner characteristic that it comprised, and therefore scope of the present invention is with reference to appending claims, and is not subjected to the restriction of explanation noted earlier.

Claims

1. one kind is improved at a high speed the accurately method of sheet processing or duplicating, this method is included at a high speed the paper that uses top sizing in accurately processing or the duplicating, this paper contains a kind of reactive sizing agent and a kind of inorganic filler, this inorganic filler is used with the effective dose of the runnability that can improve paper, and the weight ratio of inorganic filler and Cypres is about 0.1: 1 to about 10: 1.

2. the method for claim 1, wherein reactive sizing agent is a kind of 2-oxetanone sizing agent.

3. method as claimed in claim 2, wherein 2-oxetanone sizing agent is a kind of ketene dimer.

4. method as claimed in claim 2, wherein a kind of ketenes polymer of 2-oxetanone sizing agent.

5. method as claimed in claim 2, wherein reactive sizing agent is a kind of 2-oxetanone sizing agent, it is selected from alkyl ketene dimer, alkyl ketene polymer, alkenyl ketene dimers and alkenyl ketenes polymer.

6. as the described method of one of claim 2～5, wherein 2-oxetanone sizing agent is a kind of liquid under 35 ℃.

7. method as claimed in claim 6, wherein 2-oxetanone sizing agent is a kind of liquid under 20 ℃.

8. as the described method of one of front claim, wherein inorganic filler is selected from kaolin, titanium dioxide, silica, bentonite and calcium silicates.

9. method as claimed in claim 8, wherein inorganic filler is a kaolin.

10. method as claimed in claim 8, wherein inorganic filler is a titanium dioxide.

11. method as claimed in claim 8, wherein inorganic filler silica.

12. method as claimed in claim 8, wherein inorganic filler is a bentonite.

13. method as claimed in claim 8, wherein inorganic filler is a calcium silicates.

14. as the described method of one of front claim, wherein inorganic filler has the average particle size particle size less than about 10 μ m.

15. method as claimed in claim 14, wherein inorganic filler has the average particle size particle size less than about 5 μ m.

16. method as claimed in claim 14, wherein inorganic filler has the average particle size particle size less than about 2 μ m.

17. as the described method of one of front claim, wherein the weight ratio of inorganic filler and Cypres is about 0.2: 1 to about 5: 1.

18. as the described method of one of front claim, wherein the ratio with about 0.02～5Kg/ metric ton paper adds reactive sizing agent, and paper is carried out surface treatment.

19. as the described method of one of front claim, wherein inorganic filler is used in combination with a kind of water-soluble inorganic salt.

20. method as claimed in claim 18, wherein water-soluble inorganic salt is calcium chloride, magnesium chloride and sodium chloride.

21. as the described method of one of front claim, wherein paper has about 30～200g/m ²Basis weight.

22. method as claimed in claim 21, wherein paper has about 40～100g/m ²Basis weight.

23. as the described method of one of front claim, wherein paper is a kind of alkaline fine paper.

24. method as claimed in claim 23, wherein paper is selected from the form security paper, small, copy paper, M.G. pure sulphite paper and adding machine paper.

25. as the described method of one of front claim, wherein said method further comprises and sheet processing is become the form security paper, small, M.G. pure sulphite paper or adding machine paper.

26. one kind is improved at a high speed the accurately method of sheet processing or duplicating, it is included at a high speed the paper of the top sizing that uses in accurately processing or the duplicating, this paper contains a kind of reactive sizing agent and a kind of inorganic filler, reactive sizing agent is a kind of 2-oxetanone, it is a kind of liquid under 35 ℃, and inorganic filler is selected from kaolin, titanium dioxide, silica, bentonite and calcium silicates, this inorganic filler is used with the effective dose that can improve the paper runnability, and wherein the weight ratio of inorganic filler and Cypres is about 0.1: 1 to about 10: 1.

27. a method of making fine paper, it comprises:

(a) use 2-oxetanone sizing agent to paper carry out top sizing and

(b) use inorganic filler, wherein the weight ratio of inorganic filler and Cypres is about 0.1: 1 to about 10: 1.

28. as the described method of one of front claim, wherein using a kind of is that the 2-oxetanone sizing agent and at least a other the sizing agent of liquid finished top sizing under 35 ℃.

29. method as claimed in claim 28, wherein other sizing agent is a kind of alkyl ketene dimer or alkenyl succinic anhydrides that contains straight chained alkyl.

30. glueing composition that is used for alkaline fine paper as Cypres, it contains under 35 ℃ is the 2-oxetanone reactive sizing agent and the titanium dioxide of liquid, and the weight ratio of titanium dioxide and reactive sizing agent is about 0.1: 1 to about 10: 1.

31. composition as claimed in claim 30, wherein inorganic filler is selected from kaolin, titanium dioxide, silica, bentonite and calcium silicates.

32. as claim 30 or 31 described composition branches, wherein the weight ratio of inorganic filler and reactive sizing agent is about 0.2: 1 to about 5: 1.

33. at the fine paper of claim 1～29 described in arbitrary or use any sizing agent described in one of claim 30～32 to carry out the fine paper of top sizing.