CN108691245A - A kind of preparation method of high electropositivity AKD internal sizing agents - Google Patents
A kind of preparation method of high electropositivity AKD internal sizing agents Download PDFInfo
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- CN108691245A CN108691245A CN201810515705.5A CN201810515705A CN108691245A CN 108691245 A CN108691245 A CN 108691245A CN 201810515705 A CN201810515705 A CN 201810515705A CN 108691245 A CN108691245 A CN 108691245A
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- akd
- electropositivity
- internal sizing
- preparation
- sizing agents
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- 238000004513 sizing Methods 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000008367 deionised water Substances 0.000 claims abstract description 24
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 24
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 21
- 238000010792 warming Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000004593 Epoxy Substances 0.000 claims abstract description 17
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 229920000570 polyether Polymers 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 150000001412 amines Chemical class 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000000155 melt Substances 0.000 claims abstract description 9
- -1 alkyl ketene dimer Chemical compound 0.000 claims abstract description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 8
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 claims description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical group COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 3
- 229960001124 trientine Drugs 0.000 claims description 3
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims 1
- DJCYDDALXPHSHR-UHFFFAOYSA-N 2-(2-propoxyethoxy)ethanol Chemical compound CCCOCCOCCO DJCYDDALXPHSHR-UHFFFAOYSA-N 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 150000003863 ammonium salts Chemical class 0.000 abstract description 2
- 125000000129 anionic group Chemical group 0.000 description 3
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 3
- 239000006210 lotion Substances 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 125000003277 amino group Polymers 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- INDBQLZJXZLFIT-UHFFFAOYSA-N primaquine Chemical compound N1=CC=CC2=CC(OC)=CC(NC(C)CCCN)=C21 INDBQLZJXZLFIT-UHFFFAOYSA-N 0.000 description 1
- 229960005179 primaquine Drugs 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/17—Ketenes, e.g. ketene dimers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of preparation methods of high electropositivity alkyl ketene dimer internal sizing agent.A certain amount of more amine monomers, organic solvent are added in the reactor, then a certain amount of alkyl epoxy polyethers is added dropwise into system, it is added at one time a certain amount of AKD original powders, it is eventually adding a certain amount of deionized water, pH value is adjusted to 3-4, cooling discharge obtains high electropositivity AKD emulsifiers, referred to as component A.Then AKD is mixed by a certain percentage with component A, system is warming up to 60 DEG C -70 DEG C, waited for that AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water, fast cooling is then added, you can obtain high electropositivity AKD internal sizing agents.Internal sizing agent electropositivity obtained by the present invention is high, and retention performance is excellent, while the presence of a large amount of ammonium salts can promote AKD and fiber surface hydroxyl reaction, under a small amount of application conditions can efficiently, quickly form waterproof, greatly improve paper performance.
Description
Technical field
The present invention relates to a kind of preparation method of paper internal sizing agent, more particularly to applied in a kind of high electropositivity AKD slurries
The preparation method of jelly.
Background technology
Recently as the higher and higher of environmental requirement, the processing such as paper waste, waste residue and emission request are continuously improved, together
When with broken, all kinds of deinked waste papers, the use of high yield pulp and the paper machine white water circulation closed journey after a large amount of coatings and sizing
The raising of degree, wet end of machine interference anionic impurity concentration is higher and higher, increasing to the harm of paper-machine wet-end operation, and
Making some, such as PAE classes wet strength agent, cation AKD internal sizing agent, ASA internal sizing agent cationic auxiliary effects are deteriorated.Especially
It is the conversion to alkaline system with copy paper, and aluminum sulfate is not re-used as sizing sticking agent when being added in slurry, and anion is miscellaneous
Matter (anionictrash) problem becomes more prominent.The electropositivity of cation AKD lotion is weaker at present, under sizing efficiency starts
Drop, it is difficult to meet requirement of the industry to paper water proofing property.
Invention content
It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of high electropositivity AKD internal sizing agents
Preparation method.Internal sizing agent electropositivity obtained by the present invention is high, and retention performance is excellent, while the presence of a large amount of ammonium salts can
Promote AKD and fiber surface hydroxyl reaction, under a small amount of application conditions can efficiently, quickly form waterproof, greatly improve paper
Performance.
In order to achieve the above objectives, the technical solution adopted by the present invention is:
A kind of preparation method of high electropositivity AKD internal sizing agents, includes the following steps:
By weight, 10-40 parts of more amine monomers and 5-15 parts of organic solvents are added in the reactor, stir while rising
Then 20-50 parts of alkyl epoxy polyethers are added dropwise into system, then proceed to insulation reaction to 80 DEG C -95 DEG C for temperature;Then disposable
3-10 parts of AKD original powders, the reaction was continued 2h is added;It is eventually adding deionized water, adjusts pH value to 3-4, cooling discharge obtains Gaoyang
Electrical AKD emulsifiers;
Then AKD is mixed with high electropositivity AKD emulsifiers, system is warming up to 60 DEG C -70 DEG C, waits for that AKD melts completely
Subsequent continuation of insurance temperature, is then added deionized water, high speed dispersion 10-20min, then cools down to get to applying in high electropositivity AKD slurries
Jelly.
More amine monomers are one or more arbitrarily matching in diethylenetriamine, triethylene tetramine and tetraethylenepentamine
The mixture of ratio.
The organic solvent is propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethylene glycol dimethyl ether, diethylene glycol ether, diethyl two
One kind or more in alcohol propyl ether, butyl, butyl glycol ether, ethylene glycol ethyl ether, glycol propyl ether and butyl glycol ether
The mixture of the arbitrary proportioning of kind.
The alkyl epoxy polyethers is that alkyl chain length is 12,14,16 or 18 carbon.
The polyoxyethylene ether segment degree of polymerization is 10,20,30 or 40.
The mixture that the one or two that the polyoxy propylene ether segment degree of polymerization is 5 and 10 arbitrarily match.
The alkyl ketene dimer is one or more mixing arbitrarily matched in alkyl carbon chain length 14,16 and 18
Object.
Deionized water, which is added, makes the solid content of system 20~25%.
The time for adding of alkyl epoxy polyethers is 1-3 hours, then proceedes to heat preservation 3-5h.
The AKD is 100 with high electropositivity AKD emulsifiers mixing quality ratio:(10~20).
Compared with prior art, following advantages of the present invention:
The present invention key be to select the alkyl epoxy polyethers etc. of suitable amino monomers and sealing end, in anhydrous conditions
It reacts in advance, the polyether-modified amino monomers of alkyl epoxy is prepared, AKD is sent out the amino monomers in anhydrous conditions again
High electropositive AKD emulsifiers are prepared in raw reaction, and the emulsifier is due to containing a large amount of primaquine, secondary amino group, sun
It is electrically higher, the anionic trash of paper making wet part can be partially removed, while also improving the AKD drops after emulsification in electronegative fiber
The absorption on surface improves the retention of AKD, to improve its sizing efficiency.In paper drying course, high electropositive emulsification
Agent can promote AKD open loops, quickening to be reacted with cellulosic hydroxy, shorten its curing time, improve production efficiency, while reducing vacation and applying
Glue phenomenon.Product of the present invention has many advantages, such as that electropositivity is high, can overcome anionic trash.It also can be improved by high electropositivity simultaneously
The retention performance of AKD can also promote AKD open loops in paper drying process, accelerate and paper fibre and starch equimolecular segment
On hydroxyl react, shorten its cure cycle, the indexs such as the water proofing property of paper can be greatly improved.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail:(in parts by weight)
A kind of preparation method of high electropositivity alkyl ketene dimer (abbreviation AKD, similarly hereinafter) internal sizing agent, preparation process
It is as follows:
10-40 parts of more amine monomers and 5-15 parts of organic solvents are added in the reactor, open stirring while being warming up to 80
DEG C -95 DEG C, 20-50 part alkyl epoxy polyethers are then added dropwise into system, time for adding 1-3 hours then proceedes to keep the temperature 3-5h.
A certain amount of 3-10 parts of AKD original powder is added in last time, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH
For value to 3-4, cooling discharge obtains high electropositivity AKD emulsifiers, referred to as component A.Then AKD original powders are pressed:Component A=100:10 is mixed
It closes, system is warming up to 60 DEG C -70 DEG C, waits for that AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added
So that the solid content of system is maintained at 20-25%, high speed dispersion (rotating speed is 1000~2000r/min) 10-20min, then soon
Prompt drop temperature, you can obtain high electropositivity AKD internal sizing agents.
Wherein, more amine monomers are that diethylenetriamine, triethylene tetramine, one or more in tetraethylenepentamine arbitrarily match
The mixture of ratio.Organic solvent is propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethylene glycol dimethyl ether, diethylene glycol ether, diethylene glycol
One or more in propyl ether, butyl, butyl glycol ether, ethylene glycol ethyl ether, glycol propyl ether, butyl glycol ether
The mixture for proportioning of anticipating.Alkyl epoxy polyethers is that alkyl chain length is 12,14,16,18 carbon, and the polyoxyethylene ether segment degree of polymerization is
10,20,30,40, one or more mixtures arbitrarily matched that the polyoxy propylene ether segment degree of polymerization is 5,10.Alkyl ketene two
Aggressiveness is one or more mixtures arbitrarily matched in alkyl carbon chain length 14,16,18.
Embodiment 1:
Amine monomers more than 15 parts and 5 parts of organic solvents are added in the reactor, open stirring while being warming up to 80 DEG C, then
22 parts of alkyl epoxy polyethers are added dropwise into system, time for adding 1 hour then proceedes to heat preservation 3.5h.Last time is added one
4.5 parts of quantitative AKD original powders, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 3, cooling discharge obtains
High electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:10 mixing, are warming up to 60 DEG C by system, wait for
AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 20%,
High speed dispersion 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Embodiment 2:
Amine monomers more than 37 parts and 15 parts of organic solvents are added in the reactor, open stirring while being warming up to 85 DEG C, so
36 parts of alkyl epoxy polyethers are added dropwise in backward system, time for adding 1.5 hours then proceedes to heat preservation 5h.Last time is added
A certain amount of 7.5 parts of AKD original powders, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 3, cooling discharge obtains
To high electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:16 mixing, are warming up to 68 DEG C by system, wait for
AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 25%,
High speed dispersion 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Embodiment 3:
Amine monomers more than 15 parts and 5 parts of organic solvents are added in the reactor, open stirring while being warming up to 80 DEG C, then
22 parts of alkyl epoxy polyethers are added dropwise into system, time for adding 1 hour then proceedes to heat preservation 3.5h.Last time is added one
4.5 parts of quantitative AKD original powders, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 3.5, cooling discharge obtains
To high electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:13 mixing, are warming up to 65 DEG C by system, wait for
AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 22%,
High speed dispersion 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Embodiment 4:
Amine monomers more than 29 parts and 10 parts of organic solvents are added in the reactor, open stirring while being warming up to 90 DEG C, so
48 parts of alkyl epoxy polyethers are added dropwise in backward system, time for adding 2 hours then proceedes to heat preservation 3h.Last time is added one
8.5 parts of quantitative AKD original powders, the reaction was continued 2.5h.It is eventually adding a certain amount of deionized water, adjusts pH value to 4, cooling discharge obtains
To high electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:18 mixing, are warming up to 60 DEG C by system, wait for
AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 24%,
High speed dispersion 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Embodiment 5:
Amine monomers more than 25 parts and 9 parts of organic solvents are added in the reactor, open stirring while being warming up to 85 DEG C, then
41 parts of alkyl epoxy polyethers are added dropwise into system, time for adding 2 hours then proceedes to heat preservation 4h.Last time is added certain
9 parts of AKD original powders of amount, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 3.8, cooling discharge obtains height
Electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:20 mixing, are warming up to 70 DEG C by system, wait for AKD
Melt subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 23%, high speed
Disperse 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Application experiment of the high electropositivity AKD internal sizing agents being prepared under the conditions of different instances on paper, specifically
It is shown in Table 1:
Table 1
| Example | Addition (kg/ tons of paper) | Degree of sizing (s) |
| Commercially available company A AKD lotions | 10 | 45 |
| Example 1 | 10 | 65 |
| Example 2 | 10 | 71 |
| Example 3 | 10 | 68 |
| Example 4 | 10 | 75 |
| Example 5 | 10 | 61 |
It can be obtained by upper table 1, the indices of high electropositivity AKD internal sizing agents prepared by embodiments herein are equal
Better than existing commercially available AKD lotions.
Embodiment 6:
Amine monomers more than 40 parts and 15 parts of organic solvents are added in the reactor, open stirring while being warming up to 95 DEG C, so
50 parts of alkyl epoxy polyethers are added dropwise in backward system, time for adding 2 hours then proceedes to heat preservation 4h.Last time is added one
10 parts of quantitative AKD original powders, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 4.0, cooling discharge obtains
To high electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:15 mixing, are warming up to 65 DEG C by system, wait for
AKD melts subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 23%,
High speed dispersion 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
Embodiment 7:
Amine monomers more than 10 parts and 5 parts of organic solvents are added in the reactor, open stirring while being warming up to 80 DEG C, then
20 parts of alkyl epoxy polyethers are added dropwise into system, time for adding 2 hours then proceedes to heat preservation 4h.Last time is added certain
3 parts of AKD original powders of amount, the reaction was continued 2h.It is eventually adding a certain amount of deionized water, adjusts pH value to 3.0, cooling discharge obtains height
Electropositivity AKD emulsifiers, referred to as component A.Then AKD is pressed:Component A=100:12 mixing, are warming up to 70 DEG C by system, wait for AKD
Melt subsequent continuation of insurance temperature 10min completely, a certain amount of deionized water is then added, the solid content of system is made to be maintained at 23%, high speed
Disperse 10min, then fast cooling, you can obtain high electropositivity AKD internal sizing agents.
More than, only presently preferred embodiments of the present invention is not limited only to the practical range of the present invention, all according to patent of the present invention
The equivalence changes and modification that the content of range is done all should be the technology scope of the present invention.
Claims (10)
1. a kind of preparation method of high electropositivity AKD internal sizing agents, which is characterized in that include the following steps:
By weight, 10-40 parts of more amine monomers and 5-15 parts of organic solvents are added in the reactor, stir while being warming up to
80 DEG C -95 DEG C, 20-50 parts of alkyl epoxy polyethers are then added dropwise into system, then proceed to insulation reaction;Then it is added at one time
3-10 parts of AKD original powders, the reaction was continued 2h;It is eventually adding deionized water, adjusts pH value to 3-4, cooling discharge obtains high electropositivity
AKD emulsifiers;
Then AKD is mixed with high electropositivity AKD emulsifiers, system is warming up to 60 DEG C -70 DEG C, it is subsequent to wait for that AKD melts completely
Continuation of insurance temperature, is then added deionized water, high speed dispersion 10-20min, then cools down to get to high electropositivity AKD plasm-glue-blendings
Agent.
2. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
More amine monomers are one or more mixtures arbitrarily matched in diethylenetriamine, triethylene tetramine and tetraethylenepentamine.
3. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
Organic solvent is propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethylene glycol dimethyl ether, diethylene glycol ether, diethylene glycol propyl ether, diethyl two
One or more in alcohol butyl ether, butyl glycol ether, ethylene glycol ethyl ether, glycol propyl ether and butyl glycol ether arbitrarily match mixed
Close object.
4. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
Alkyl epoxy polyethers is that alkyl chain length is 12,14,16 or 18 carbon.
5. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
The polyoxyethylene ether segment degree of polymerization is 10,20,30 or 40.
6. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
The mixture that the one or two that the polyoxy propylene ether segment degree of polymerization is 5 and 10 arbitrarily match.
7. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is described
Alkyl ketene dimer is one or more mixtures arbitrarily matched in alkyl carbon chain length 14,16 and 18.
8. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:It is added
Deionized water makes the solid content of system 20~25%.
9. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:Alkyl
The time for adding of epoxidized polyether is 1-3 hours, then proceedes to heat preservation 3-5h.
10. a kind of preparation method of high electropositivity AKD internal sizing agents according to claim 1, it is characterised in that:AKD
It is 100 with high electropositivity AKD emulsifiers mixing quality ratio:(10~20).
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|---|---|---|---|---|
| EP0220941A1 (en) * | 1985-10-23 | 1987-05-06 | Albright & Wilson Limited | Paper sizing composition |
| CN1346417A (en) * | 1999-04-15 | 2002-04-24 | 阿克佐诺贝尔公司 | Sizing composition |
| JP2004225212A (en) * | 2003-01-24 | 2004-08-12 | Nof Corp | Sizing composition |
| CN101096829A (en) * | 2007-07-13 | 2008-01-02 | 天津科技大学 | A kind of cationic alkyl ketene dimer sizing agent and preparation method thereof |
| CN104479125A (en) * | 2014-12-17 | 2015-04-01 | 沈阳新意石油化工厂 | Synthesis method and application of oleic acid-polyethylene polyamine polyether |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0220941A1 (en) * | 1985-10-23 | 1987-05-06 | Albright & Wilson Limited | Paper sizing composition |
| CN1346417A (en) * | 1999-04-15 | 2002-04-24 | 阿克佐诺贝尔公司 | Sizing composition |
| JP2004225212A (en) * | 2003-01-24 | 2004-08-12 | Nof Corp | Sizing composition |
| CN101096829A (en) * | 2007-07-13 | 2008-01-02 | 天津科技大学 | A kind of cationic alkyl ketene dimer sizing agent and preparation method thereof |
| CN104479125A (en) * | 2014-12-17 | 2015-04-01 | 沈阳新意石油化工厂 | Synthesis method and application of oleic acid-polyethylene polyamine polyether |
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