CN103711033B - A kind of waterproof water lustering oil and preparation method thereof - Google Patents
A kind of waterproof water lustering oil and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of oil polish and preparation method thereof, relate to a kind of waterproof water lustering oil and preparation method thereof specifically, be particularly suitable for the printing by paper product surface glazing of waterproof requirement, this waterproof water lustering oil is by ambient crosslinking acrylic emulsion, styrene-acrylic resin liquid, waterproof wax emulsion, auxiliary agent and water composition, the each component and the mass percentage that form this waterproof water lustering oil are as follows: ambient crosslinking polyacrylate dispersion 60 ~ 70%, styrene-acrylic resin liquid 5 ~ 12%, waterproof wax emulsion 10 ~ 15%, auxiliary agent 6 ~ 8%, water 6 ~ 10%, described auxiliary agent is by defoamer, slipping agent and coalescents composition, waterproof water lustering oil of the present invention improves the water resistance of water lustering oil, do not need to add other crosslinking agents again and just can reach good waterproof effect, the preparation method of waterproof water lustering oil is simple to operate, obtained waterproof water lustering oil reliable in quality.
Description
Technical field
The present invention relates to a kind of oil polish and preparation method thereof, relate to a kind of waterproof water lustering oil and preparation method thereof specifically, be particularly suitable for the printing by paper product surface glazing of waterproof requirement.
Background technology
Because water lustering oil has nontoxic, environmental protection, lower-price characteristic, get more and more and be used in printing by paper industry, but because water lustering oil still has deficiency in gloss, waterproof etc., can not meet customer need well, at hand bag, beer cases etc. require that moistureproof and waterproof field is applied and are restricted, and the present invention is intended to solve this technical barrier.
Summary of the invention
In order to overcome the shortcoming of the water lustering oil water resistance deficiency of prior art, the invention provides a kind of waterproof water lustering oil, this waterproof water lustering oil direct glazing on printing by paper product just can ensure excellent water resistance.
Another object of the present invention is to provide a kind of preparation method of waterproof water lustering oil, and this preparation method is suitable with conventional emulsion polymerization technique, and one-step polymerization can be prepared.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Waterproof water lustering oil of the present invention is made up of ambient crosslinking acrylic emulsion, styrene-acrylic resin liquid, waterproof wax emulsion, auxiliary agent and water, the each component and the mass percentage that form this waterproof water lustering oil are as follows: ambient crosslinking polyacrylate dispersion 60 ~ 70%, styrene-acrylic resin liquid 5 ~ 12%, waterproof wax emulsion 10 ~ 15%, auxiliary agent 6 ~ 8%, water 6 ~ 10%, described auxiliary agent is made up of defoamer, slipping agent and coalescents.
As preferably, described ambient crosslinking polyacrylate dispersion is a kind of with diacetone acrylamide acyl
Amine (DAAM) as function monomer, the room temperature self-crosslinking acrylic ester emulsion that AH (ADH) is made as crosslinking agent.
As preferably, described styrene-acrylic resin liquid is alkali solubility styrene-acrylic resins liquid.
As preferably, the waterproof wax emulsion of described waterproof wax emulsion to be solid content be 40-50%.This is one of critical materials, can directly add, without chemical reaction process, easy to operate.
As preferably, described defoamer is broken the mixture steeping polysiloxanes, hydrophobic particles and polyethylene glycol, and the solid content of described mixture is 95 ~ 100%., this defoamer consumption is few, and the impact of convection current gentle surface effect is very little, and defoaming effect is excellent.
As preferably, described slipping agent is the aqueous dispersion of super high molecular weight dimethyl silicone polymer.This raw material can directly add, and improves obviously to gloss oil Surface feel, and allotment easily.
As preferably, described coalescents is Lauryl Alcohol ester or propylene glycol monomethyl ether, and such coalescents evaporation rate is moderate, and smell is low.
A kind of preparation method of waterproof water lustering oil, described preparation method is specific as follows: under normal temperature, first add ambient crosslinking acrylate emulsion, then under the rotating speed of 800 ~ 900 revs/min, defoamer, styrene-acrylic resin liquid, waterproof wax emulsion, slipping agent, coalescents and water is added lentamente successively while stirring, rotating speed to 400 ~ 500 rev/min are turned down after 30 ~ 45 minutes, disperse 30 ~ 45 minutes again, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
The preparation of the ambient crosslinking acrylic emulsion in the present invention: first by the method for emulsion polymerisation, the emulsion of synthesis containing diacetone acrylamide (DAAM) function monomer, add AH (ADH) again, make jade green translucent single-component room-temperature curable polyacrylate emulsion
Ambient crosslinking acrylic emulsion is filled a prescription
The synthesis technique of ambient crosslinking acrylic emulsion is as follows:
(1) pre-emulsification
In the 500ml tetra-neck flask that electric mixer, thermometer, condenser pipe and dropping funel are housed, add first paragraph alkali soluble resins, monomer, emulsifying agent and deionized water, at 54 ± 2 DEG C of stir about 10min, obtain pre-emulsion.
(2) seed emulsion preparation
Get 1/4 pre-emulsion in four-necked bottle, be warming up to 74 ± 2 DEG C, then drip 1/4APS solution, reaction 30min, obtained seed emulsion.
(3) emulsion polymerisation
Prepared by core emulsion: remaining APS solution is divided into four parts, and keep reaction temperature constant, add in a APS solution and reaction bulb, and drip residue 3/4 pre-emulsion, 1h drips off, and wherein adds a APS solution every 30min;
Prepared by shell emulsion:
Method one: second segment monomer not pre-emulsification.Second segment monomer is dissolved in deionized water, and disposablely adds in reaction bulb, add a APS solution, then drip the mixed solution of second segment monomer, drip in 1h, insulation reaction 2h, wherein add a APS liquid every 30min;
Method two; Second segment monomer pre-emulsification.By second segment monomer, emulsifying agent, deionized water pre-emulsification, method, with seed pre-emulsifying method, then slowly drips in core emulsion, drips in 1h, insulation reaction 2h, wherein adds a APS liquid every 30min;
Be warming up to 80 ± 1 DEG C, reaction 2h, is down to room temperature, and slowly adds 10%ADH solution, with ammonia neutralization to neutral.Filter, discharging, obtain a kind of milky emulsion in blue light, be the ambient crosslinking acrylic emulsion in the present invention.
The synthesis of alkali solubility styrene-acrylic resin, adopts semi-continuous polymerization technique.
The synthesizing formula of alkali solubility styrene-acrylic resin
Concrete synthesis technique is as follows:
First appropriate solvent, molecular weight regulator, partial monosomy solution (accounting for 30% of total monomer solution), part initiator solution (accounting for 90% of total initiator solution) are added reactor, and remaining monomer solution is joined in constant voltage separatory funnel, then 130 DEG C are heated to, slow stirring, monomer solution is dripped after preheating 30min, 2h drips off, then is incubated 2h after adding initiator solution, and cooling obtains polymer solution; Polymer solution is poured into gradually the pallet containing deionized water, constantly stir, until solids all separates out into comparatively granule, then decompress filter, the solid polymer drying obtained is alkali solubility styrene-acrylic resins pressed powder.
Hard resin alkalizes, and add in reflecting device by a certain amount of hard resin and deionized water, be warmed up to 70 DEG C, slowly stir, then slowly drip ammoniacal liquor, until hard resin dissolves completely, adjust ph is to 8-9.Obtain alkali solubility styrene-acrylic resins liquid.
The invention has the beneficial effects as follows:
(1) waterproof water lustering oil of the present invention improves the water resistance of water lustering oil, does not need to add other crosslinking agents again and just can reach good waterproof effect;
(2) preparation method of waterproof water lustering oil of the present invention is simple to operate, obtained waterproof water lustering oil reliable in quality.
Detailed description of the invention
Do further specific descriptions below in conjunction with example to the present invention, concrete proportioning can regulate according to practical application operating mode, under the prerequisite that preparation method is consistent, does change adjustment to product property of the present invention without substantial effect in the proportioning interval provided
Example 1
Under normal temperature, get 60g acrylic emulsion (being also ambient crosslinking polyacrylate dispersion), under the stirring condition of 800rpm, add 0.1g defoamer successively, 11g alkali solubility styrene-acrylic resin liquid, the waterproof wax emulsion of 13g solid content 35.0%, 0.40g slipping agent, 5.5g Lauryl Alcohol ester, 10.0g water, rotating speed is turned down to 400rpm after 30 minutes, disperse 45 minutes again, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
Example 2
Under normal temperature, get 60g acrylic emulsion, under the stirring condition of 900rpm, add 0.1g defoamer successively, 12g alkali solubility styrene-acrylic resin liquid, the waterproof wax emulsion of 15g solid content 30.0%, 0.4g slipping agent, 5.5g Lauryl Alcohol ester, 7.0g water, rotating speed is turned down to 500rpm after 40 minutes, disperse 30 minutes again, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
Example 3
Under normal temperature, get 70.0g acrylic emulsion, under the stirring condition of 900rpm, add 0.1g defoamer successively, 5.0g alkali solubility styrene-acrylic resin liquid, the waterproof wax emulsion of 11g solid content 32.5%, 0.40g slipping agent, 7.5g Lauryl Alcohol ester, 6.0g water, stir and obtain water lustering oil, turn down rotating speed after 30 minutes to 400rpm, then disperse 45 minutes, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
Example 4
Under normal temperature, get 70.0g acrylic emulsion, under the stirring condition of 800rpm, add 0.1g defoamer successively, 5.0g alkali solubility styrene-acrylic resin liquid, 10.0g solid content is the waterproof wax emulsion of 40%, 0.4g slipping agent, 5.5g propylene glycol monomethyl ether, 9.0g water, rotating speed is turned down to 500rpm after 40 minutes, disperse 30 minutes again, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
In the waterproof water lustering oil enumerated in example 1 ~ 4, defoamer used is broken the mixture steeping polysiloxanes, hydrophobic particles and polyethylene glycol, and its solid content is 95 ~ 100%, and slipping agent is the aqueous dispersion of super high molecular weight dimethyl silicone polymer.
Respectively with the water lustering oil that example 1 ~ 4 is prepared, the paper being printed on ink draws painting with 4 μm of line rods, dry, carry out the inspection of light film properties and evaluation as follows.
Test assessment method:
1 outward appearance: range estimation.
2 gloss: measure by the regulation of GB/T9754, incidence angle is 60 °.
3 ABRASION RESISTANCE: use the test of friction machine, under the load of 4 pounds, example edition cut into wide 50mm × long 220mm and be fixed in rubbing table with paper pressing device, 80 grams of A4 copy papers are cut into wide 50mm × long 220mm and is fixed on friction piece with eccentric pinch roller, 80 grams of A4 copy paper light, in the face of example edition coated surface, represent with the number of times that film weares and teares when exposing ink.
4 water proofing properties: drip in paper polish face 2 ~ 3, then compress face-to-face, put into 60 DEG C of baking ovens, place 24h, and observe sticky flower phenomenon, evaluation result divides 1 ~ 5 grade, and 5 is best, and 1 is the poorest.
Waterproof water lustering oil dry film performance comparison
| Test event | Example 1 | Example 2 | Example 3 | Example 4 |
| Outward appearance | Light is level and smooth | Light is level and smooth | Light is level and smooth | Light is level and smooth |
| Gloss, GU | 64 | 64 | 60 | 60 |
| ABRASION RESISTANCE, secondary | 400 | 380 | 390 | 400 |
| Water proofing property | 4 | 4 | 5 | 5 |
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (7)
1. a waterproof water lustering oil, it is characterized in that, this waterproof water lustering oil is composed of the following components by weight percentage: ambient crosslinking polyacrylate dispersion 60 ~ 70%, styrene-acrylic resin liquid 5 ~ 12%, waterproof wax emulsion 10 ~ 15%, auxiliary agent 6 ~ 8%, water 6 ~ 10%, described auxiliary agent is made up of defoamer, slipping agent and coalescents;
The formula of described ambient crosslinking polyacrylate dispersion is:
Wherein, described MMA represents methyl methacrylate, and described BA represents butyl acrylate, and described AA represents acrylic acid, and described DAAM represents diacetone acrylamide, and described ADH represents adipic dihydrazide;
The synthesis technique of described ambient crosslinking polyacrylate dispersion is:
(1) pre-emulsification: add first paragraph alkali soluble resins, monomer, emulsifying agent and deionized water in the 500mL tetra-neck flask that electric mixer, thermometer, condenser pipe and dropping funel are housed, 54 ± 2 DEG C of stirrings, obtain pre-emulsion;
(2) seed emulsion preparation: get 1/4 pre-emulsion in four-necked bottle, be warming up to 74 ± 2 DEG C, then drips 1/4APS solution, reaction 30min, obtained seed emulsion;
(3) emulsion polymerisation:
Prepared by core emulsion: remaining APS solution is divided into four parts, and keep reaction temperature constant, add in a APS solution and reaction bulb, and drip residue 3/4 pre-emulsion, 1h drips off, and wherein adds a APS solution every 30min, obtained core emulsion;
Prepared by shell emulsion:
1. second segment monomer not pre-emulsification: second segment monomer is dissolved in deionized water, and disposablely add in reaction bulb, add a APS solution, then the mixed solution of second segment monomer is dripped, drip in 1h, insulation reaction 2h, wherein add a APS liquid every 30min; Obtained shell emulsion;
Or, second segment monomer pre-emulsification: by second segment monomer, emulsifying agent, deionized water pre-emulsification, method, with seed pre-emulsifying method, then slowly drips in core emulsion, drips in 1h, insulation reaction 2h, wherein adds a APS liquid every 30min; Obtained shell emulsion;
2. shell emulsion is warming up to 80 ± 1 DEG C, reaction 2h, is down to room temperature, and slowly adds 10%ADH solution, with ammonia neutralization to neutral.Filter, discharging, obtain a kind of milky emulsion in blue light, be ambient crosslinking polyacrylate dispersion.
2. waterproof water lustering oil according to claim 1, is characterized in that: described styrene-acrylic resin liquid is alkali solubility styrene-acrylic resins liquid.
3. waterproof water lustering oil according to claim 1, is characterized in that: the waterproof wax emulsion of described waterproof wax emulsion to be solid content be 30-40%.
4. waterproof water lustering oil according to claim 1, is characterized in that: described defoamer is broken the mixture steeping polysiloxanes, hydrophobic particles and polyethylene glycol, and the solid content of described mixture is 95 ~ 100%.
5. waterproof water lustering oil according to claim 1, is characterized in that: described slipping agent is the aqueous dispersion of super high molecular weight dimethyl silicone polymer.
6. waterproof water lustering oil according to claim 1, is characterized in that: described coalescents is Lauryl Alcohol ester or propylene glycol monomethyl ether.
7. the preparation method of the waterproof water lustering oil described in claim 1 to 6 any one, it is characterized in that: described preparation method is specific as follows: under normal temperature, first add ambient crosslinking polyacrylate dispersion, then under the rotating speed of 800 ~ 900 revs/min, defoamer is added successively lentamente while stirring, styrene-acrylic resin liquid, waterproof wax emulsion, slipping agent, coalescents and water, rotating speed to 400 ~ 500 rev/min are turned down after 30 ~ 45 minutes, disperse 30 ~ 45 minutes again, make the various stock dispersion of system even, obtain a kind of waterproof water lustering oil.
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| CN105131677B (en) * | 2015-09-28 | 2017-07-18 | 洋紫荆油墨(中山)有限公司 | Excellent UV curing varnish of a kind of explosion-proof line and preparation method thereof |
| CN105386365B (en) * | 2015-10-10 | 2017-06-13 | 洋紫荆油墨(中山)有限公司 | Anti-scratch water lustering oil of a kind of bloom and preparation method thereof |
| CN106894284B (en) * | 2015-12-17 | 2018-03-27 | 上海东升新材料有限公司 | One kind blueprint body paper novel surface sizing agent and preparation method thereof |
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| CN113025146A (en) * | 2021-05-06 | 2021-06-25 | 洋紫荆油墨股份有限公司 | High-wet-sticking-resistance polishing oil and preparation method thereof |
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| CN114960277B (en) * | 2021-07-04 | 2023-06-16 | 惠州市随和科技有限公司 | Ampelopsis grossedentata extract, preparation method thereof and application thereof in waterproof and oil-proof agent |
| CN116463890A (en) * | 2023-05-19 | 2023-07-21 | 中荣印刷集团股份有限公司 | High-gloss high-wear-resistance water-based gloss oil and preparation method thereof |
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