CN106634536A - Light-curing aqueous coating material and preparation method thereof - Google Patents
Light-curing aqueous coating material and preparation method thereof Download PDFInfo
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- CN106634536A CN106634536A CN201510722280.1A CN201510722280A CN106634536A CN 106634536 A CN106634536 A CN 106634536A CN 201510722280 A CN201510722280 A CN 201510722280A CN 106634536 A CN106634536 A CN 106634536A
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Abstract
The present invention relates to a light-curing aqueous coating material, wherein the components of the formula comprise, by weight, 48-58% of an aqueous solvent, 0.6-0.9% of fatty acid glyceride, 0.6-0.9% of stearic acid, 25-35% of polyurethane acrylate, 10-16% of epoxy acrylate, 0.6-1.5 parts of ammonia water, 1-3% of an anti-foaming agent, 0.1-0.3% of nitrite, 0.3-0.5% of a leveling agent, 2-4% of an auxiliary agent, 2-5% of a photoinitiator, 2-5% of a coupling agent, and 0.5-1% of a bactericide. According to the present invention, by using the formula, the light-curing aqueous coating material with characteristics of strong adhesion, high brightness and short curing time can be obtained; after the coating of the light-curing aqueous coating material, no harmful small molecular substances are left; and during the costing, water can be added at any time according to the needs so as to adjust the viscosity of the coating material.
Description
Technical field
The present invention relates to a kind of coating composition, more particularly to a kind of UV curable waterborne coatings and preparation method thereof.
Background technology
At present, people are to quality of life level requirement more and more higher, and the life for aspiring after perfection is helpless etc., also have higher requirement to the finishing in life, furniture.At present, on market mostly using containing the poisonous and hazardous material coating such as methyl alcohol as beautification furniture material so that new furniture is produced to human body greatly injuring.
Water paint be exactly with water as diluent, the coating without organic solvent, without benzene,toluene,xylene, formaldehyde, free TDI toxic heavy metal, nontoxic non-stimulated smell, it is harmless, it is free from environmental pollution, paint film is plentiful, sparkling and crystal-clear bright, pliability is good and with water-fast, wear-resisting, ageing-resistant, color inhibition, fast drying, it is easy to use the features such as；It is usable in：In the various materials such as woodenware, metal, plastics, glass, building surface.The dope layer for having been permitted in the market to be formed after eurypalynous water paint, but the coating of most water paint can not simultaneously meet the requirement that high brightness, strong adhesive force and follow-up printing are processed.In addition, existing water paint is mostly aqueous polyurethane, epoxy resin etc., the dope layer formed after coating often remains the noxious materials such as cyanide, affects safety, the health of food.
Accordingly, it is now desired to develop that a kind of adherence is strong, brightness is high and hardening time is short, free of contamination environment-friendly type UV curable waterborne coatings after coating.
The content of the invention
The technical problem to be solved in the present invention is to provide that a kind of adherence is strong, brightness is high and hardening time is short, free of contamination environment-friendly type UV curable waterborne coatings after coating.
In order to solve the above problems, the technical solution used in the present invention is that the formula of the UV curable waterborne coatings is by following weights：Aqueous solvent 48 ~ 58%, fatty glyceride 0.6 ~ 0.9%, stearic acid 0.6 ~ 0.9%, polyurethane acrylate 25 ~ 35%, epoxy acrylate 10 ~ 16%, 0.6 ~ 1.5 part of ammoniacal liquor, defoamer 1 ~ 3%, nitrite 0.1 ~ 0.3%, levelling agent 0.3 ~ 0.5%, auxiliary agent 2 ~ 4%, light trigger 2 ~ 5%, coupling agent 2 ~ 5%, bactericide 0.5 ~ 1%.
By above-mentioned formula, it is possible to obtain the UV curable waterborne coatings that attached work power is strong, brightness is high and hardening time is short；Wherein, auxiliary agent can strengthen the strong bottom of dope layer and brightness after coatings, reduce the surface tension of dope layer, improve the brush and adherence of coating, fatty glyceride and stearic acid are used as surfactant, and the emulsification of reaction can be increased during the course of the reaction；Coupling agent can improve the hot property of coating, improve the surface property of dope layer simultaneously, improve the brush and adherence of coating, nitrite is used as buffer, it is ensured that the smoothness of reaction, while the surface electrostatic of dope layer can also be reduced, improve the brush and adherence of coating, harmful small-molecule substance without residual after UV curable waterborne coatings coating, and water can at any time be added according to needing of using when being coated with, to adjust the viscosity of coating.
The present invention further improvement is that the formula of the UV curable waterborne coatings also includes that hundred parts of ratios of weight are 0.2 ~ 0.5% pigment.Can be needed to add the pigment of shades of colour according to client, so as to obtain the coating of shades of colour, to meet the demand of different users.
The present invention further improvement is that described coupling agent is VTES or vinyl trichlorine base silane or 3- aminopropyl triethoxysilanes or 3- glycidyl ether oxygen propyl trimethoxy silicanes or 3- (isobutene acyl-oxygen) propyl trimethoxy silicane.
The present invention further improvement is that the auxiliary agent is made up of esterifying agent and caprolactam, and the esterifying agent is 1 with the weight ratio of caprolactam：1~2.
The present invention further improvement is that the defoamer is organic silicon defoamer or/and mineral oils, and the organic silicon defoamer is dimethyl silicone polymer.
The present invention further improvement is that the nitrite is nitrite natrium and/or ammonium nilrite.
The present invention further improvement is that the levelling agent is carboxymethylcellulose calcium.
The present invention further improvement is that the aqueous solvent is deionized water and/or hydroxyethyl methacrylate（HEMA）And/or hydroxy-ethyl acrylate（HEM）.
The of the invention technical problem also to be solved is, there is provided that a kind of adherence is strong, after coating the high UV curable waterborne coatings of brightness preparation method, the preparation method process is simple, controllability are strong, production efficiency is high, be adapted to production in enormous quantities, while human cost can be saved.
In order to solve the above problems, the technical solution used in the present invention is that the preparation method of the UV curable waterborne coatings is comprised the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Aqueous solvent is divided into into 4 parts, wherein first with the aqueous solvent of formula ratio 6 ~ 15% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 600 ~ 700 r/min, and mixing time is 10 ~ 20min, obtains the mixed solution of light trigger and auxiliary agent；With the aqueous solvent of formula ratio 6 ~ 15% by nitrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add aqueous solvent, addition to be the 55 ~ 65% of formula ratio simultaneously, start stirring motor, mixing speed is 2000 ~ 2500r/min, and mixing time is 30 ~ 50min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 1500 ~ 2000r/min, and mixing time is 3 ~ 5min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 1500 ~ 2000r/min, mixing time is 6 ~ 10min, and then sealed reactor, reactor is put in drying box, at 40 ~ 50 DEG C, reaction temperature retention time is 2 ~ 3 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add aqueous solvent, addition to be the 20 ~ 30% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
The present invention further improvement is that the pigment is added or added when in use after pH value is adjusted.
Using technical scheme, its beneficial effect for producing is：By above-mentioned formula, it is possible to obtain the UV curable waterborne coatings that attached work power is strong, brightness is high and hardening time is short；Wherein, auxiliary agent can strengthen the strong bottom of dope layer and brightness after coatings, reduce the surface tension of dope layer, improve the brush and adherence of coating, fatty glyceride and stearic acid are used as surfactant, and the emulsification of reaction can be increased during the course of the reaction；Coupling agent can improve the hot property of coating, while improving the surface property of dope layer, improve the brush and adherence of coating, nitrite is used as buffer, ensure the smoothness of reaction, while the surface electrostatic of dope layer can also be reduced, improve the brush and adherence of coating；Harmful small-molecule substance without residual after UV curable waterborne coatings coating, and water can at any time be added according to needing of using when being coated with, to adjust the viscosity of coating；The method process is simple, it is workable；And raw material has been saved using the method reduce cost, and zero environmental pollution, environmental friendliness is realized, there is no any injury to the person, it is adaptable to be commercially widely popularized.
Specific embodiment
Embodiment 1：Based on 1000Kg water paints are prepared, by following weight raw material is prepared：Deionized water 500Kg, fatty glyceride 9Kg, the Kg of stearic acid 9, polyurethane acrylate 350Kg, epoxy acrylate 100Kg, the Kg of ammoniacal liquor 15, defoamer（Dimethyl silicone polymer）3Kg, nitrite adopts ammonium nilrite 3Kg, levelling agent（Carboxymethylcellulose calcium）5Kg, the Kg of auxiliary agent 20（The weight ratio of esterifying agent and caprolactam is 1：1）, light trigger（Alkyl arone derivative）20Kg, coupling agent（VTES）20 Kg, the Kg of bactericide 5.
The preparation method of the UV curable waterborne coatings, comprises the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Deionized water is divided into into 4 parts, wherein first with the deionized water of formula ratio 8% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 700r/min, and mixing time is 13min, obtains the mixed solution of light trigger and auxiliary agent；With the deionized water of formula ratio 15% by ammonium nilrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add deionized water, addition to be the 56% of formula ratio simultaneously, start stirring motor, mixing speed is 2500r/min, and mixing time is 30min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 2000r/min, and mixing time is 3min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 2000r/min, mixing time is 6min, then sealed reactor, and reactor is put in drying box, at 45 DEG C, reaction temperature retention time is 2.5 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add deionized water, addition to be the 21% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
Pigment is added after pH value is adjusted or pigment is added when in use, hardening time is less than 5min, and the attached work of unharmful substance under ultraviolet light after the coating use.
Embodiment 2：Based on 1000Kg water paints are prepared, by following weight raw material is prepared：Deionized water 520Kg, fatty glyceride 7.5Kg, stearic acid 7.5Kg, polyurethane acrylate 290Kg, epoxy acrylate 130Kg, the Kg of ammoniacal liquor 12, defoamer（Dimethyl silicone polymer）2Kg, nitrite adopts ammonium nilrite 2Kg, levelling agent（Carboxymethylcellulose calcium）4Kg, the Kg of auxiliary agent 30（The weight ratio of esterifying agent and caprolactam is 1：2）, light trigger（Alkyl arone derivative）35Kg, coupling agent（3- aminopropyl triethoxysilanes）35 Kg, bactericide 8Kg.
The preparation method of the UV curable waterborne coatings, comprises the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Deionized water is divided into into 4 parts, wherein first with the deionized water of formula ratio 11% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 650r/min, and mixing time is 15min, obtains the mixed solution of light trigger and auxiliary agent；With the deionized water of formula ratio 9% by ammonium nilrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add deionized water, addition to be the 60% of formula ratio simultaneously, start stirring motor, mixing speed is 1800r/min, and mixing time is 40min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 1800r/min, and mixing time is 4min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 1800r/min, mixing time is 8min, then sealed reactor, and reactor is put in drying box, at 40 DEG C, reaction temperature retention time is 3 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add deionized water, addition to be the 20% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
Pigment is added after pH value is adjusted or pigment is added when in use.Hardening time is less than 5min, and the attached work of unharmful substance under ultraviolet light after the coating use.
Embodiment 3：Based on 1000Kg water paints are prepared, by following weight raw material is prepared：Deionized water 500Kg, fatty glyceride 7.5Kg, stearic acid 7.5Kg, polyurethane acrylate 270Kg, epoxy acrylate 160Kg, the Kg of ammoniacal liquor 12, defoamer（Dimethyl silicone polymer）1Kg, nitrite adopts ammonium nilrite 1Kg, levelling agent（Carboxymethylcellulose calcium）3Kg, the Kg of auxiliary agent 40（The weight ratio of esterifying agent and caprolactam is 1：1）, light trigger（Alkyl arone derivative）50Kg, coupling agent（3- glycidyl ether oxygen propyl trimethoxy silicanes）45 Kg, bactericide 5Kg.
The preparation method of the UV curable waterborne coatings, comprises the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Deionized water is divided into into 4 parts, wherein first with the deionized water of formula ratio 15% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 650r/min, and mixing time is 15min, obtains the mixed solution of light trigger and auxiliary agent；With the deionized water of formula ratio 6% by ammonium nilrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add deionized water, addition to be the 55% of formula ratio simultaneously, start stirring motor, mixing speed is 1500r/min, and mixing time is 50min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 1500r/min, and mixing time is 5min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 1500r/min, mixing time is 10min, then sealed reactor, and reactor is put in drying box, at 40 DEG C, reaction temperature retention time is 3 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add deionized water, addition to be the 24% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
Pigment is added after pH value is adjusted or pigment is added when in use.Hardening time is less than 5min, and the attached work of unharmful substance under ultraviolet light after the coating use.
Embodiment 4：Based on 1000Kg water paints are prepared, by following weight raw material is prepared：Water and the common 520Kg of hydroxyethyl methacrylate（Weight ratio is 2：1）, fatty glyceride 7.5Kg, stearic acid 7.5Kg, polyurethane-acrylate 290Kg, epoxy acrylate 130Kg, the Kg of ammoniacal liquor 12, defoamer（Mineral oils）2Kg, nitrite adopts ammonium nilrite 2Kg, levelling agent（Carboxymethylcellulose calcium）4Kg, the Kg of auxiliary agent 30（The weight ratio of esterifying agent and caprolactam is 1：1）, light trigger 35Kg, coupling agent（3- glycidyl ether oxygen propyl trimethoxy silicanes）35 Kg, bactericide 8Kg.
The preparation method of the UV curable waterborne coatings, comprises the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Deionized water is divided into into 4 parts, wherein first with the deionized water of formula ratio 11% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 650r/min, and mixing time is 15min, obtains the mixed solution of light trigger and auxiliary agent；With the deionized water of formula ratio 9% by ammonium nilrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add deionized water, addition to be the 60% of formula ratio simultaneously, start stirring motor, mixing speed is 1800r/min, and mixing time is 40min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 1800r/min, and mixing time is 4min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 1800r/min, mixing time is 8min, then sealed reactor, and reactor is put in drying box, at 40 DEG C, reaction temperature retention time is 3 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add deionized water, addition to be the 20% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
Pigment is added after pH value is adjusted or pigment is added when in use.Hardening time is less than 5min, and the attached work of unharmful substance under ultraviolet light after the coating use.
Embodiment 5：Based on 1000Kg water paints are prepared, by following weight raw material is prepared：Deionized water and hydroxyethyl methacrylate and the common 500Kg of hydroxy-ethyl acrylate（Weight ratio is 2：1：1）, fatty glyceride 9Kg, the Kg of stearic acid 9, polyurethane acrylate 350Kg, epoxy acrylate 100Kg, the Kg of ammoniacal liquor 15, defoamer（Mineral oil）3Kg, nitrite adopts ammonium nilrite 3Kg, levelling agent（Carboxymethylcellulose calcium）5Kg, the Kg of auxiliary agent 20（The weight ratio of esterifying agent and caprolactam is 1：1）, light trigger 20Kg, coupling agent（VTES）20 Kg, the Kg of bactericide 5.
The preparation method of the UV curable waterborne coatings, comprises the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Deionized water is divided into into 4 parts, wherein first with the deionized water of formula ratio 8% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 700r/min, and mixing time is 13min, obtains the mixed solution of light trigger and auxiliary agent；With the deionized water of formula ratio 15% by ammonium nilrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add deionized water, addition to be the 56% of formula ratio simultaneously, start stirring motor, mixing speed is 2500r/min, and mixing time is 30min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 2000r/min, and mixing time is 3min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 2000r/min, mixing time is 6min, then sealed reactor, and reactor is put in drying box, at 45 DEG C, reaction temperature retention time is 2.5 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add deionized water, addition to be the 21% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
Pigment is added after pH value is adjusted or pigment is added when in use.Hardening time is less than 5min, and the attached work of unharmful substance under ultraviolet light after the coating use.
Finally, in addition it is also necessary to it is noted that listed above is only several specific embodiments of the invention.It is clear that the invention is not restricted to above example, can also there is many deformations.All deformations that one of ordinary skill in the art can directly derive from present disclosure or associate, are considered as protection scope of the present invention.
Claims (10)
1. a kind of UV curable waterborne coatings, it is characterised in that its formula is for hundred parts than proportioning by following weight：Aqueous solvent 48 ~ 58%, fatty glyceride 0.6 ~ 0.9%, stearic acid 0.6 ~ 0.9%, polyurethane acrylate 25 ~ 35%, epoxy acrylate 10 ~ 16%, 0.6 ~ 1.5 part of ammoniacal liquor, defoamer 1 ~ 3%, nitrite 0.1 ~ 0.3%, levelling agent 0.3 ~ 0.5%, auxiliary agent 2 ~ 4%, light trigger 2 ~ 5%, coupling agent 2 ~ 5%, bactericide 0.5 ~ 1%.
2. UV curable waterborne coatings as claimed in claim 1, it is characterised in that its formula also includes that hundred parts of ratios of weight are 0.2 ~ 0.5% pigment.
3. UV curable waterborne coatings as claimed in claim 1 or 2, characterized in that, described coupling agent is VTES or vinyl trichlorine base silane or 3- aminopropyl triethoxysilanes or 3- glycidyl ether oxygen propyl trimethoxy silicanes or 3- (isobutene acyl-oxygen) propyl trimethoxy silicane.
4. the preparation method of UV curable waterborne coatings as claimed in claim 3, it is characterised in that the auxiliary agent is made up of esterifying agent and caprolactam, the esterifying agent is 1 with the weight ratio of caprolactam：1~2.
5. the preparation method of UV curable waterborne coatings as claimed in claim 3, it is characterised in that the defoamer is organic silicon defoamer or/and mineral oils, the organic silicon defoamer is dimethyl silicone polymer.
6. the preparation method of UV curable waterborne coatings as claimed in claim 3, it is characterised in that the nitrite is nitrite natrium and/or ammonium nilrite.
7. the preparation method of UV curable waterborne coatings as claimed in claim 6, it is characterised in that the levelling agent is carboxymethylcellulose calcium.
8. the preparation method of UV curable waterborne coatings as claimed in claim 7, it is characterised in that the aqueous solvent is deionized water and/or hydroxyethyl methacrylate（HEMA）And/or hydroxy-ethyl acrylate（HEM）.
9. a kind of preparation method of the UV curable waterborne coatings as described in any one of claim 1-8, it is characterised in that comprise the following steps：
（1）Raw material are weighed by weight ratio；Check and clean instrument；Aqueous solvent is divided into into 4 parts, wherein first with the aqueous solvent of formula ratio 6 ~ 15% by light trigger and the agitated dissolving of auxiliary agent, mixing speed is 600 ~ 700
R/min, mixing time is 10 ~ 20min, obtains the mixed solution of light trigger and auxiliary agent；With the aqueous solvent of formula ratio 6 ~ 15% by nitrite stirring and dissolving, nitrite solution is obtained；It is stand-by；
（2）The polyurethane acrylate and epoxy acrylate of formula ratio are added into raw material a mixing bowl under dustfree environment；Add aqueous solvent, addition to be the 55 ~ 60% of formula ratio simultaneously, start stirring motor, mixing speed is 2000 ~ 2500r/min, and mixing time is 30 ~ 50min；
（3）In step（2）Middle to add the fatty glyceride and stearic acid of formula ratio to stir together, mixing speed is 1500 ~ 2000r/min, and mixing time is 3 ~ 5min, is stirred, and obtains mixed emulsion；
（4）By step（3）In the mixed emulsion that obtains be put into reactor, while adding step（1）In the nitrite solution for preparing and light trigger and auxiliary agent mixed solution, stir together, mixing speed is 1500 ~ 2000r/min, mixing time is 6 ~ 10min, and then sealed reactor, reactor is put in drying box, at 40 ~ 50 DEG C, reaction temperature retention time is 2 ~ 3 hours to temperature control；
（5）Room temperature is cooled to Deng reactor, reaction response kettle is opened, defoamer, coupling agent, levelling agent and bactericide is added, and add aqueous solvent, addition to be the 20 ~ 30% of formula ratio, stir, ammoniacal liquor is added dropwise simultaneously and adjusts pH value, and stir, UV curable waterborne coatings needed for obtaining.
10. the preparation method of UV curable waterborne coatings as claimed in claim 9, it is characterised in that the pigment is added or added when in use after pH value is adjusted.
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| CN201510722280.1A CN106634536A (en) | 2015-10-31 | 2015-10-31 | Light-curing aqueous coating material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220062A (en) * | 2011-05-13 | 2011-10-19 | 武汉大学 | Aqueous UV curing coating and preparation method thereof |
| CN103160186A (en) * | 2011-12-13 | 2013-06-19 | 江苏钜儒电子有限公司 | Plastic surface aqueous photocurable coating |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220062A (en) * | 2011-05-13 | 2011-10-19 | 武汉大学 | Aqueous UV curing coating and preparation method thereof |
| CN103160186A (en) * | 2011-12-13 | 2013-06-19 | 江苏钜儒电子有限公司 | Plastic surface aqueous photocurable coating |
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Application publication date: 20170510 |