CN102532997A - Boiling-resistant aqueous composite ink and preparation method thereof - Google Patents
Boiling-resistant aqueous composite ink and preparation method thereof Download PDFInfo
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- CN102532997A CN102532997A CN2011104052872A CN201110405287A CN102532997A CN 102532997 A CN102532997 A CN 102532997A CN 2011104052872 A CN2011104052872 A CN 2011104052872A CN 201110405287 A CN201110405287 A CN 201110405287A CN 102532997 A CN102532997 A CN 102532997A
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Abstract
The invention discloses boiling-resistant aqueous composite ink and a preparation method thereof. The boiling-resistant aqueous composite ink mainly comprises raw materials including aqueous polyurethane resin, a pigment and water, and a surface wetting agent, a wetting dispersing agent and a defoaming agent are additionally added. The preparation method of the boiling-resistant aqueous composite ink comprises the following steps of: firstly, adding partial aqueous polyurethane resin into a stirring reaction kettle; secondly, slowly adding the surface wetting agent, the wetting dispersing agent and partial defoaming agent, and adding the pigment after stirring and dispersing; thirdly, stirring and dispersing at high speed, and grinding after dispersing; fourthly, adding the residual aqueous polyurethane resin and defoaming agent and stirring and dispersing, and adding the water until the required viscosity is obtained through regulation; and at last, stirring, dispersing, filtering and packaging. The boiling-resistant aqueous composite ink, provided by the invention, is prepared by taking the high-performance aqueous polyurethane resin as a connecting material, and has the advantages of good pigment dispersibility, wide use range, lower film forming temperature, better mechanical property of formed film, more uniform particle size distribution and the like, and can be used for soft retort packages.
Description
Technical field
The present invention relates to a kind of food product pack printed matter and use compound oil ink, particularly relate to a kind of anti-boiling water-based compound oil ink and preparation method thereof.
Background technology
It has been since main body connects the benzene dissolubility compound oil ink of material that China's printing ink manufacturing began to produce with the chlorinated polypropylene from the early 1980s; Development is rapid relatively in the period of the twenty or thirty, and the technology that the manufacturing production of printing ink and printing are used is all ripe.But; Trend analysis from gravure composite printing ink; Benzene dissolubility compound oil ink has the following shortcoming that is difficult to overcome in producing and using: ⑴ uses aromatic hydrocarbon solvent in a large number: in building-up process, use toluene because the main body of printing ink connects the material urethane resin, and also need dissolve with toluene; So the matrix resin of existing benzene dissolubility compound oil ink all is as true solvent with toluene; To use a large amount of toluene inevitably in the production of printing ink and in the middle of using; Because resin is poor to the release property of toluene, the toxicity of toluene is very big, in food flexible packing, very easily causes the residual solvent of printing finished product excessive; Thereby contaminated food products is to the quality and the safety generation influence greatly of food; ⑵ range of application is narrower: in the plastic compound flexible packaging industry; The outer printing film that the most often uses is three kinds of BOPP, PET and BOPA; And benzene dissolubility compound oil ink only is applicable to the printing of BOPP and compound; All fail to provide outstanding adhesion and combined strength bination to PET and BOPA, more can not be used for freezing, contain grease, boil, the packing of food such as boiling; ⑶ poor heat stability: because the poor heat stability of chlorinated polypropylene, in the production of printing ink and storage process, be prone to discharge chlorine and form hydrogenchloride, make printing ink become strongly-acid, thereby have influence on the package stability and the printing use of printing ink.
Owing to exist above-mentioned major defect, benzene dissolubility compound oil ink can not adapt to China's requirement of flourishing soft packaging industry day by day gradually.In addition; From consideration and the strict day by day security legislation of adaptation to food safety and sanitation property; People need environment-friendly type printing ink; Promptly hope to reduce in the printing-ink as far as possible and the use of printing ink in the usage quantity of aromatic hydrocarbon solvents such as toluene, YLENE, or need not use the printing-ink of above-mentioned aromatic hydrocarbon solvent.Therefore, develop the development that the more excellent compound oil ink of performance can better adapt to current printing packaging industry.
Along with the aggravation of global environmental pollution and environmental destruction degree, People more and more is paid close attention to life, concern for the environment and development, advocates and produces, uses green product, and particularly wholesomeness, the feature of environmental protection for food product pack proposed stricter requirement.As everyone knows, traditional used for packing foods printing ink is the benzophenone dissolubility, although dissolvent residual has been done strict demand, also has the injury that health is produced and prints the security problems that the back dissolvent residual influences the smell and the food of food.
In order effectively to solve the dissolvent residual problem of used for packing foods printing ink, person skilled begins to study to water color ink.That the water color ink of anti-the boiling has is nontoxic, have no irritating odor, non-corrosiveness, do not fire, not quick-fried, safety in utilization good, can there be harm in the environment and the person directly with the tap water dilution, belongs to typical Green Product.The water color ink of anti-the boiling is specially adapted to package printed matters such as food, beverage, medicine, is universally acknowledged environment-friendly type printing material, also is unique printing ink through the approval of U.S. food medicine association in present all printing-inks.Therefore, active development will become an inexorable trend with green gravure ink and the water color ink of using compliance with environmental protection requirements.The toluene kind solvent is residual to influence problems such as wrap food quality to injury and dissolvent residual that health produced though the molten printing ink of alcohol can effectively solve; And the gravure industry has obtained widespread use at home, but intaglio plate alcohol dissolubility ink used for plastic still is the residual solvent odor that has.Aquosity intaglio printing ink has caused many concerns as the substituted systems of solvent type ink, but the printing ink Water-borne modification in the packaging film printing still can not be used widely even to this day.
At present, the water-based compound oil ink that has a small amount of printing ink factory to produce is a chalk, is that the use ACRYLIC EMULSION forms as connecting the material modulation, and it is poor to pigment-dispersing, gloss is low, adjustment of the printing plate weak effect, the half tone rate of transform are low, and printing ink can not be used for boiling.
Summary of the invention
The objective of the invention is weak point, a kind of anti-boiling water-based compound oil ink and preparation method thereof is provided to existing water-based compound oil ink existence.The anti-boiling water-based of the present invention compound oil ink is to connect material to be prepared from the waterborne polyurethane resin; Product of the present invention has advantages such as pigment-dispersing are good, of many uses, film-forming temperature is lower, film forming mechanical property better, size distribution is more even, and can be used for the boiling soft packaging.
In order to address the above problem, the technical scheme that the present invention adopts is:
The present invention provides a kind of anti-boiling water-based compound oil ink; Represent with weight percentage; Said anti-boiling water-based compound oil ink is mainly by raw material waterborne polyurethane resin 45～55%; Pigment 10～20% is formed with water 30～40%, adds moistened surface agent, wetting dispersing agent and skimmer in addition, and the add-on of moistened surface agent accounts for 0.3～1.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 1.0～3.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 0.5～1.5% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
According to above-mentioned anti-boiling water-based compound oil ink, the solid content of said waterborne polyurethane resin is 30～35%, and number-average molecular weight is 22000～25000.
According to above-mentioned anti-boiling water-based compound oil ink, said pigment is Rutile type Titanium Dioxide, benzidine yellow G, permanent bordeaux F5R, 15:4 phthalocyanine blue or carbon black.
According to above-mentioned anti-boiling water-based compound oil ink, said moistened surface agent is U.S. aerochemistry moistened surface agent 104E; Said wetting dispersing agent is German Bi Ke chemistry wetting dispersing agent BYK-191; Said skimmer is the high auxiliary agent TEGO-1488 of German enlightening.
According to above-mentioned anti-boiling water-based compound oil ink, said waterborne polyurethane resin is prepared from through following method:
The raw material of a, said waterborne polyurethane resin consists of PCDL 48～55%, isophorone diisocyanate 15～20%, dibutyl tin laurate 10～15%, dimethylol propionic acid 5～10% and triethylamine 5～10%;
B, form the various raw materials of preparation according to the raw material of the said waterborne polyurethane resin of step a; At first PCDL and the isophorone diisocyanate of preparation joined in the stirred autoclave and heat; And slowly stir, high-speed stirring is 20～25 minutes when temperature rises to 55～60 ℃, adds raw material dibutyl tin laurate, dimethylol propionic acid and the triethylamine of preparation after the high-speed stirring respectively with titrating mode; Add entry after three kinds of raw material titration are intact; The add-on of water accounts for 5～10% of all raw material gross weights, and rapidly the temperature of reaction kettle internal reaction solution is reduced to 20～30 ℃, each item performance of test synthetic waterborne polyurethane resin; After reaching requirement, packed for standby use.
According to above-mentioned anti-boiling water-based compound oil ink, the stirring velocity of high-speed stirring described in the step b in the time of 20～25 minutes is 1200～1500 rev/mins.
A kind of preparation method of anti-boiling water-based compound oil ink, said preparation method may further comprise the steps:
A, take by weighing various raw materials according to the proportioning ratio of above-mentioned anti-boiling water-based compound oil ink;
B, at first 15～20% of raw water based polyurethane total resin weight is joined in the stirred autoclave; The skimmer that slowly adds moistened surface agent, wetting dispersing agent and 0.5～1.0% then adopts the frequency conversion dispersion machine with 600～800 rev/mins speed dispersed with stirring 10～15 minutes;
C, slowly add required pigment in the stirred autoclave then; With 1200～1500 rev/mins speed dispersed with stirring 45～50 minutes; Adopt excellent pin formula shredder to grind after the dispersed with stirring; Grind 3～4 times, controlled temperature is between 35～50 ℃ in the process of lapping, and the inspection material reaches required fineness requirement;
D, grinding back add 80～85% and remaining 0.3～0.5% skimmer of remainder water based polyurethane total resin weight; Adopt the frequency conversion dispersion machine with 1200～1500 rev/mins speed dispersed with stirring 25～30 minutes; The water that adds preparation is adjusted to required viscosity; And, adopt 400 order net filtrations packing at last with 1200～1500 rev/mins speed dispersed with stirring 5～10 minutes.
Positive beneficial effect of the present invention:
1, the anti-boiling water-based of the present invention compound oil ink is to serve as to connect material to be prepared from homemade waterborne polyurethane resin; The self-control waterborne polyurethane resin that it adopts have solubility good, to advantages such as wetting scattered, the anti-high shears of pigment dyestuff; And can participate in grinding; Adhesiveproperties is good, and boiling resistance can be good.
2, the present invention is to serve as to connect the anti-boiling water-based compound oil ink of material preparation with homemade high-performance water-based polyurethane resin; Thereby make food product pack break away from the pollution of solvent for printing inks fully; Improve the scientific and technological content of product, improve homemade compound oil ink water-base resin thus in colo(u)rant dispersion difficulty, shortcomings such as printability is poor, drying is slow, boiling resistance difference.Therefore, the anti-boiling water-based of product of the present invention compound oil ink has advantages such as pigment-dispersing are good, of many uses, film-forming temperature is lower, film forming mechanical property better, size distribution is more even, and can be used for the boiling soft packaging.
3, the anti-boiling water-based of the present invention compound oil ink is 60 in print speed
～150m/min, printing element are under the printing condition of unilateral stretching Vestolen PP 7052 (OPP) film (surface treatment reaches 38 dyne) and polyethylene terephthalate (PET) film (surface treatment reaches 48 dyne); Its key technical indexes can reach the specification of quality of external like product, and its specification of quality is following:
Colo(u)rant dispersion and stability: under 50 ℃, left standstill bad phenomenon such as no pigment flocculation, deposition, gel 15 days;
Sticking power: on PET and OPP film, the 3M adhesive tape sticks at the ink film surface, firmly throws off, and 95% does not come off;
Compound soundness: detect by GB GB8808 and carry out, reach solvent product of the same type;
Boiling resistance: 121 ℃/15min, printing ink do not have ooze out, bad phenomenon such as colour-fast, compound no foaming.
Four, embodiment:
Further explain the present invention below in conjunction with embodiment, but do not limit content of the present invention.
Embodiment 1:
The anti-boiling water-based of the present invention compound oil ink representes that with weight percentage main raw material consists of waterborne polyurethane resin 50%, Rutile type Titanium Dioxide 15% and water 35%; Add moistened surface agent, wetting dispersing agent and skimmer in addition; The add-on of moistened surface agent accounts for 0.6% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 2.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 1.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
The solid content of said waterborne polyurethane resin is 30～35%, and number-average molecular weight is 22000～25000; Said moistened surface agent is U.S. aerochemistry moistened surface agent 104E; Said wetting dispersing agent is German Bi Ke chemistry wetting dispersing agent BYK-191; Said skimmer is the high auxiliary agent TEGO-1488 of German enlightening.
Said waterborne polyurethane resin is to adopt following method to be prepared from:
The raw material of a, said waterborne polyurethane resin consists of PCDL 54%, isophorone diisocyanate 16%, dibutyl tin laurate 12%, dimethylol propionic acid 9% and triethylamine 9%;
B, form the various raw materials of preparation according to the raw material of the said waterborne polyurethane resin of step a; At first PCDL and the isophorone diisocyanate of preparation joined in the stirred autoclave and heat; And slowly stir, high-speed stirring 25 minutes (stirring velocity is 1300 rev/mins) when temperature rises to 55 ℃ adds raw material dibutyl tin laurate, dimethylol propionic acid and the triethylamine of preparation respectively with titrating mode after the high-speed stirring; Add entry after three kinds of raw material titration are intact; The add-on of water accounts for 8% of all raw material gross weights, and rapidly the temperature of reaction kettle internal reaction solution is reduced to 20～30 ℃, each item performance of test synthetic waterborne polyurethane resin; After reaching requirement, packed for standby use.
The preparation method of the anti-boiling water-based of the present invention compound oil ink, said preparing method's detailed step is following:
A, take by weighing various raw materials according to the proportioning ratio of above-mentioned anti-boiling water-based compound oil ink;
B, at first 20% of raw water based polyurethane total resin weight is joined in the stirred autoclave; The skimmer that slowly adds moistened surface agent, wetting dispersing agent and 0.7% then adopts the frequency conversion dispersion machine with 600～800 rev/mins speed dispersed with stirring 10～15 minutes;
C, slowly add required pigment in the stirred autoclave then; With 1200～1500 rev/mins speed dispersed with stirring 45～50 minutes; Adopt excellent pin formula shredder to grind after the dispersed with stirring; Grind 3～4 times, controlled temperature is between 35～50 ℃ in the process of lapping, and the inspection material reaches required fineness requirement;
D, grinding back add 80% and remaining 0.3% skimmer of remainder water based polyurethane total resin weight; Adopt the frequency conversion dispersion machine with 1200～1500 rev/mins speed dispersed with stirring 25～30 minutes; The water that adds preparation is adjusted to required viscosity; And, adopt 400 order net filtrations packing at last with 1200～1500 rev/mins speed dispersed with stirring 5～10 minutes.
Embodiment 2: basic identical with embodiment 1, difference is:
The anti-boiling water-based of the present invention compound oil ink representes that with weight percentage main raw material consists of waterborne polyurethane resin 45%, permanent bordeaux F5R 18% and water 37%; Add moistened surface agent, wetting dispersing agent and skimmer in addition; The add-on of moistened surface agent accounts for 0.3% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 2.6% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 1.2% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
Said waterborne polyurethane resin is to adopt following method to be prepared from, and embodiment 1 difference:
Among the step a: the raw material of said waterborne polyurethane resin consists of PCDL 50%, isophorone diisocyanate 20%, dibutyl tin laurate 15%, dimethylol propionic acid 5% and triethylamine 10%;
Among the step b: high-speed stirring 22 minutes (stirring velocity is 1400 rev/mins) when temperature rises to 60 ℃, the add-on of water accounts for 5% of all raw material gross weights.
The preparation method of the anti-boiling water-based of the present invention compound oil ink, and embodiment 1 difference:
Among the step b: at first 15% of raw water based polyurethane total resin weight is joined in the stirred autoclave, slowly add the skimmer of moistened surface agent, wetting dispersing agent and 0.8% then;
Steps d: grind 85% and remaining 0.4% skimmer that the back adds remainder water based polyurethane total resin weight.
Embodiment 3: basic identical with embodiment 1, difference is:
The anti-boiling water-based of the present invention compound oil ink representes that with weight percentage main raw material consists of waterborne polyurethane resin 55%, benzidine yellow G 13% and water 32%; Add moistened surface agent, wetting dispersing agent and skimmer in addition; The add-on of moistened surface agent accounts for 0.5% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 1.5% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 1.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
Said waterborne polyurethane resin is to adopt following method to be prepared from, and embodiment 1 difference:
Among the step a: the raw material of said waterborne polyurethane resin consists of PCDL 48%, isophorone diisocyanate 18%, dibutyl tin laurate 14%, dimethylol propionic acid 10% and triethylamine 10%;
Among the step b: high-speed stirring 20 minutes (stirring velocity is 1500 rev/mins) when temperature rises to 60 ℃, the add-on of water accounts for 10% of all raw material gross weights.
The preparation method of the anti-boiling water-based of the present invention compound oil ink, and embodiment 1 difference:
Among the step b: at first 20% of raw water based polyurethane total resin weight is joined in the stirred autoclave, slowly add the skimmer of moistened surface agent, wetting dispersing agent and 0.6% then;
Steps d: grind 80% and remaining 0.4% skimmer that the back adds remainder water based polyurethane total resin weight.
Embodiment 4: basic identical with embodiment 1, difference is:
The anti-boiling water-based of the present invention compound oil ink representes that with weight percentage main raw material consists of waterborne polyurethane resin 48%, carbon black 20% and water 32%; Add moistened surface agent, wetting dispersing agent and skimmer in addition; The add-on of moistened surface agent accounts for 0.8% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 3.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 1.5% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
Said waterborne polyurethane resin is to adopt following method to be prepared from, and embodiment 1 difference:
Among the step a: the raw material of said waterborne polyurethane resin consists of PCDL 53%, isophorone diisocyanate 17%, dibutyl tin laurate 14%, dimethylol propionic acid 8% and triethylamine 8%;
Among the step b: high-speed stirring 22 minutes (stirring velocity is 1400 rev/mins) when temperature rises to 60 ℃, the add-on of water accounts for 7% of all raw material gross weights.
The preparation method of the anti-boiling water-based of the present invention compound oil ink, and embodiment 1 difference:
Among the step b: at first 15% of raw water based polyurethane total resin weight is joined in the stirred autoclave, slowly add the skimmer of moistened surface agent, wetting dispersing agent and 1.0% then;
Steps d: grind 85% and remaining 0.5% skimmer that the back adds remainder water based polyurethane total resin weight.
Embodiment 5: basic identical with embodiment 1, difference is:
The anti-boiling water-based of the present invention compound oil ink representes that with weight percentage main raw material consists of waterborne polyurethane resin 52%, 15:4 phthalocyanine blue 12% and water 36%; Add moistened surface agent, wetting dispersing agent and skimmer in addition; The add-on of moistened surface agent accounts for 1.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 1.2% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 0.8% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
Said waterborne polyurethane resin is to adopt following method to be prepared from, and is identical with embodiment 1.
The preparation method of the anti-boiling water-based of the present invention compound oil ink, and embodiment 1 difference:
Among the step b: at first 20% of raw water based polyurethane total resin weight is joined in the stirred autoclave, slowly add the skimmer of moistened surface agent, wetting dispersing agent and 0.5% then;
Steps d: grind 80% and remaining 0.3% skimmer that the back adds remainder water based polyurethane total resin weight.
Claims (7)
1. anti-boiling water-based compound oil ink; It is characterized in that: represent with weight percentage; Said anti-boiling water-based compound oil ink is mainly by raw material waterborne polyurethane resin 45～55%; Pigment 10～20% is formed with water 30～40%, adds moistened surface agent, wetting dispersing agent and skimmer in addition, and the add-on of moistened surface agent accounts for 0.3～1.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water; The add-on of wetting dispersing agent accounts for 1.0～3.0% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water, and the add-on of skimmer accounts for 0.5～1.5% of waterborne polyurethane resin, pigment and three kinds of raw material gross weights of water.
2. anti-boiling water-based compound oil ink according to claim 1, it is characterized in that: the solid content of said waterborne polyurethane resin is 30～35%, number-average molecular weight is 22000～25000.
3. anti-boiling water-based compound oil ink according to claim 1 is characterized in that: said pigment is Rutile type Titanium Dioxide, benzidine yellow G, permanent bordeaux F5R, 15:4 phthalocyanine blue or carbon black.
4. anti-boiling water-based compound oil ink according to claim 1 is characterized in that: said moistened surface agent is U.S. aerochemistry moistened surface agent 104E; Said wetting dispersing agent is German Bi Ke chemistry wetting dispersing agent BYK-191; Said skimmer is the high auxiliary agent TEGO-1488 of German enlightening.
5. anti-boiling water-based compound oil ink according to claim 1 is characterized in that said waterborne polyurethane resin is to be prepared from through following method:
The raw material of a, said waterborne polyurethane resin consists of PCDL 48～55%, isophorone diisocyanate 15～20%, dibutyl tin laurate 10～15%, dimethylol propionic acid 5～10% and triethylamine 5～10%;
B, form the various raw materials of preparation according to the raw material of the said waterborne polyurethane resin of step a; At first PCDL and the isophorone diisocyanate of preparation joined in the stirred autoclave and heat; And slowly stir, high-speed stirring is 20～25 minutes when temperature rises to 55～60 ℃, adds raw material dibutyl tin laurate, dimethylol propionic acid and the triethylamine of preparation after the high-speed stirring respectively with titrating mode; Add entry after three kinds of raw material titration are intact; The add-on of water accounts for 5～10% of all raw material gross weights, and rapidly the temperature of reaction kettle internal reaction solution is reduced to 20～30 ℃, each item performance of test synthetic waterborne polyurethane resin; After reaching requirement, packed for standby use.
6. anti-boiling water-based compound oil ink according to claim 5, it is characterized in that: the stirring velocity of high-speed stirring described in the step b in the time of 20～25 minutes is 1200～1500 rev/mins.
7. the preparation method of the described anti-boiling water-based compound oil ink of claim 1 is characterized in that said preparation method may further comprise the steps:
A, take by weighing various raw materials according to the proportioning ratio of the said anti-boiling water-based compound oil ink of claim 1;
B, at first 15～20% of raw water based polyurethane total resin weight is joined in the stirred autoclave; The skimmer that slowly adds moistened surface agent, wetting dispersing agent and 0.5～1.0% then adopts the frequency conversion dispersion machine with 600～800 rev/mins speed dispersed with stirring 10～15 minutes;
C, slowly add required pigment in the stirred autoclave then; With 1200～1500 rev/mins speed dispersed with stirring 45～50 minutes; Adopt excellent pin formula shredder to grind after the dispersed with stirring; Grind 3～4 times, controlled temperature is between 35～50 ℃ in the process of lapping, and the inspection material reaches required fineness requirement;
D, grinding back add 80～85% and remaining 0.3～0.5% skimmer of remainder water based polyurethane total resin weight; Adopt the frequency conversion dispersion machine with 1200～1500 rev/mins speed dispersed with stirring 25～30 minutes; The water that adds preparation is adjusted to required viscosity; And, adopt 400 order net filtrations packing at last with 1200～1500 rev/mins speed dispersed with stirring 5～10 minutes.
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| CN104774498A (en) * | 2015-04-29 | 2015-07-15 | 林振坤 | Glass printing ink with anti-UV-ageing performance and preparation method thereof |
| CN105860652A (en) * | 2016-04-28 | 2016-08-17 | 佛山市恒学科技服务有限公司 | Environment-friendly water-based ink |
| CN106928423A (en) * | 2017-05-06 | 2017-07-07 | 黄山中泽新材料有限公司 | A kind of polyester urethane resin of digestion resistant and preparation method thereof |
| CN107502047A (en) * | 2017-09-05 | 2017-12-22 | 浙江华宝油墨有限公司 | Resistance to anti-boiling ink of polyurethane and preparation method thereof |
| CN108384319A (en) * | 2018-04-27 | 2018-08-10 | 福建格林春天新材料股份有限公司 | A kind of nylon printing digestion resistant water-based ink and preparation method thereof |
| CN111393905A (en) * | 2020-05-11 | 2020-07-10 | 浙江锦丰新材料科技有限公司 | Production process and production equipment of PU (polyurethane) ink |
| CN114806263A (en) * | 2022-05-11 | 2022-07-29 | 浙江华宝油墨有限公司 | Gravure boiling-resistant waterborne polyurethane ink and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104774498A (en) * | 2015-04-29 | 2015-07-15 | 林振坤 | Glass printing ink with anti-UV-ageing performance and preparation method thereof |
| CN105860652A (en) * | 2016-04-28 | 2016-08-17 | 佛山市恒学科技服务有限公司 | Environment-friendly water-based ink |
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