CN105038535A - Photocureable coating - Google Patents
Photocureable coating Download PDFInfo
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- CN105038535A CN105038535A CN201510445081.0A CN201510445081A CN105038535A CN 105038535 A CN105038535 A CN 105038535A CN 201510445081 A CN201510445081 A CN 201510445081A CN 105038535 A CN105038535 A CN 105038535A
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Abstract
The invention provides a photocureable coating and relates to the field of coatings. The photocureable coating comprises, by weight, 15-30 parts of polyester acrylate, 10-20 parts of epoxy resin, 5-13 parts of acrylic acid, 5-10 parts of trimellitic anhydride, 10-15 parts of sodium hydroxide, 18-25 parts of water, 5-10 parts of photoinitiator, 0.5-3 parts of flatting agent, 1-5 parts of defoaming agent and 0.5-3 parts of dispersant. The photocureable coating is high in environment friendliness and can effectively reduce pungent smells diffused after coating of the coating.
Description
Technical field
The present invention relates to paint field, in particular to a kind of photo-cured coating.
Background technology
Photo-cured coating, also known as photoactive coating, is take UV-light as the coating solidifying the energy.Photo-cured coating features such as energy, curing speed be fast that rely on it to save and being widely used.But the feature of environmental protection of existing photo-cured coating is still poor, after paint, the irritating smell given out is also heavier.
Summary of the invention
In view of this, the invention provides a kind of photo-cured coating, poor with the feature of environmental protection improving existing photo-cured coating, the problem that irritating smell is heavier.
For achieving the above object, the invention provides following technical scheme:
A kind of photo-cured coating, count by weight, component is composed as follows: polyester acrylate 15 ~ 30 parts, epoxy resin 10 ~ 20 parts, 5 ~ 13 parts, vinylformic acid, trimellitic acid 1,2-anhydride 5 ~ 10 parts, 10 ~ 15 parts, sodium hydroxide, 18 ~ 25 parts, water, light trigger 5 ~ 10 parts, flow agent 0.5 ~ 3 part, defoamer 1 ~ 5 part and dispersion agent 0.5 ~ 3 part.
Preferably, in above-mentioned photo-cured coating, count by weight, component is composed as follows: polyester acrylate 18 ~ 20 parts, epoxy resin 15 ~ 17 parts, 7 ~ 9 parts, vinylformic acid, trimellitic acid 1,2-anhydride 7 ~ 10 parts, 12 ~ 14 parts, sodium hydroxide, 18 ~ 22 parts, water, light trigger 7 ~ 10 parts, flow agent 1 ~ 2 part, defoamer 1 ~ 3 part and dispersion agent 1 ~ 2 part.
Preferably, in above-mentioned photo-cured coating, described light trigger is Benzophenone-type light initiator.
Preferably, in above-mentioned photo-cured coating, described flow agent is tensio-active agent.Tensio-active agent refers to the material adding the interfacial state generation considerable change that can make its solution system on a small quantity.
Preferably, in above-mentioned photo-cured coating, described defoamer is one or both the mixture in silicone emulsion, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether.
Preferably, in above-mentioned photo-cured coating, described dispersion agent is the mixture of stearylamide and higher alcohols.Stearylamide and higher alcohols are also used as dispersion agent, can also improve oilness and the thermostability of coating.
Relative to prior art, the present invention includes following beneficial effect: in feed composition of the present invention, utilize epoxy resin and vinylformic acid synthesizing epoxy acrylate, hydroxyl in recycling epoxy acrylic and trimellitic acid anhydride reactant, introduce carboxyl as hydrophilic radical, final obtained waterborne epoxy acrylate resin.Waterborne epoxy acrylate resin and polyester acrylate are jointly as water photosensitive resin, with light trigger effect, after three's hybrid reaction, the snappiness of polyester acrylate can be initiated, make that the dope viscosity that obtains is low, snappiness good, and the interpolation of other components in addition, after triple interaction, coating can reach the higher feature of environmental protection, and irritating smell is also minimum.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment one
Count by weight, take following component:
Polyester acrylate 15 parts, epoxy resin 10 parts, 5 parts, vinylformic acid, trimellitic acid 1,2-anhydride 5 parts, 10 parts, sodium hydroxide, 18 parts, water, light trigger 5 parts, flow agent 0.5 part, defoamer 1 part and dispersion agent 0.5 part.
Light trigger is a class can absorb certain wavelength energy at ultraviolet region (250 ~ 420nm) or visible region (400 ~ 800nm), produces free radical, positively charged ion etc., thus the compound of trigger monomer polymerization crosslinking solidification.In the present embodiment, light trigger is Benzophenone-type light initiator.Certainly, this kind is chosen not as restriction, also can select other light trigger, as cracking type initiator, photoinitiator.
Flow agent is a kind of coatings additive(s), and it can impel coating in drying and forming-film process, form smooth, smooth, a uniform film, is effectively reduce to cover with paint, lacquer, colour wash, etc. liquid surface tension, improves a class material of its levelling property and homogeneity.Flow agent can improve the perviousness of covering with paint liquid, can reduce the possibility producing spot and spot when brushing, and increases spreadability, makes film forming even, natural.In the present embodiment, flow agent is tensio-active agent.Tensio-active agent refers to the material adding the interfacial state generation considerable change that can make its solution system on a small quantity.Certainly, this kind is chosen not as restriction, also can select other flow agent, as polyacrylic acid.
Defoamer can reduce surface tension, in the present embodiment, defoamer is silicone emulsion, certainly, this kind is chosen not as restriction, also other defoamer can be selected, as long as the condition of choosing of defoamer satisfied " one or both the mixture in silicone emulsion, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether ".
Dispersion agent is a kind of interfacial agent simultaneously in molecule with lipophilicity and wetting ability two kinds of opposite nature.Can homogeneous dispersion those be difficult to be dissolved in the inorganic of liquid, the solid of pigment dyestuff and liquid particle, also can prevent sedimentation and the cohesion of particle simultaneously, forms stable amphipathic reagent needed for suspension.In the present embodiment, dispersion agent is the mixture of stearylamide and higher alcohols.Stearylamide and higher alcohols are also used as dispersion agent, can also improve oilness and the thermostability of coating.Certainly, this kind is chosen not as restriction, also can select other dispersion agent, as metal soap dispersion agent.
Utilize epoxy resin and vinylformic acid synthesizing epoxy acrylate in feed composition, the hydroxyl in recycling epoxy acrylic and trimellitic acid anhydride reactant, introduce carboxyl as hydrophilic radical, final obtained waterborne epoxy acrylate resin.Waterborne epoxy acrylate resin and polyester acrylate are jointly as water photosensitive resin, with light trigger effect, after three's hybrid reaction, the snappiness of polyester acrylate can be initiated, make that the dope viscosity that obtains is low, snappiness good, and the interpolation of other components in addition, after triple interaction, coating can reach the higher feature of environmental protection, and irritating smell is also minimum.
Embodiment two
Count by weight, take following component:
Polyester acrylate 30 parts, epoxy resin 20 parts, 13 parts, vinylformic acid, trimellitic acid 1,2-anhydride 10 parts, 15 parts, sodium hydroxide, 25 parts, water, light trigger 10 parts, flow agent 3 parts, defoamer 5 parts and dispersion agent 3 parts.
In the present embodiment, light trigger is cation light initiator, and flow agent is polyacrylic acid, and defoamer is the mixture of polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether, and the mass ratio of the two mixing is 1:1, and dispersion agent is stearylamide.
Embodiment three
Count by weight, take following component:
Polyester acrylate 18 parts, epoxy resin 15 parts, 7 parts, vinylformic acid, trimellitic acid 1,2-anhydride 7 parts, 12 parts, sodium hydroxide, 18 parts, water, light trigger 7 parts, flow agent 1 part, defoamer 1 part and dispersion agent 1 part.
In the present embodiment, light trigger is cation light initiator, flow agent is benzalkonium chloride, defoamer is the mixture of polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether, the mass ratio of polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether is 2:1, dispersion agent is the mixture of stearylamide and higher alcohols, and the mass ratio of the two is 1:1.
Embodiment four
Count by weight, take following component:
Polyester acrylate 18 parts, epoxy resin 15 parts, 8 parts, vinylformic acid, trimellitic acid 1,2-anhydride 8 parts, 14 parts, sodium hydroxide, 20 parts, water, light trigger 8.5 parts, flow agent 1.5 parts, defoamer 2 parts and dispersion agent 1.5 parts.
In the present embodiment, light trigger is 2,4 dihydroxyl benzophenone, and flow agent is Sodium dodecylbenzene sulfonate, and defoamer is silicone emulsion, and dispersion agent is the mixture of stearylamide and higher alcohols, and the mass ratio of the two is 1:1.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a photo-cured coating, it is characterized in that: count by weight, component is composed as follows: polyester acrylate 15 ~ 30 parts, epoxy resin 10 ~ 20 parts, 5 ~ 13 parts, vinylformic acid, trimellitic acid 1,2-anhydride 5 ~ 10 parts, 10 ~ 15 parts, sodium hydroxide, 18 ~ 25 parts, water, light trigger 5 ~ 10 parts, flow agent 0.5 ~ 3 part, defoamer 1 ~ 5 part and dispersion agent 0.5 ~ 3 part.
2. photo-cured coating according to claim 1, it is characterized in that: count by weight, component is composed as follows: polyester acrylate 18 ~ 20 parts, epoxy resin 15 ~ 17 parts, 7 ~ 9 parts, vinylformic acid, trimellitic acid 1,2-anhydride 7 ~ 10 parts, 12 ~ 14 parts, sodium hydroxide, 18 ~ 22 parts, water, light trigger 7 ~ 10 parts, flow agent 1 ~ 2 part, defoamer 1 ~ 3 part and dispersion agent 1 ~ 2 part.
3. photo-cured coating according to claim 1, is characterized in that: described light trigger is Benzophenone-type light initiator.
4. photo-cured coating according to claim 1, is characterized in that: described flow agent is tensio-active agent.
5. photo-cured coating according to claim 1, is characterized in that: described defoamer is one or both the mixture in silicone emulsion, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether.
6. photo-cured coating according to claim 1, is characterized in that: described dispersion agent is the mixture of stearylamide and higher alcohols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445081.0A CN105038535A (en) | 2015-07-27 | 2015-07-27 | Photocureable coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445081.0A CN105038535A (en) | 2015-07-27 | 2015-07-27 | Photocureable coating |
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| CN105038535A true CN105038535A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510445081.0A Pending CN105038535A (en) | 2015-07-27 | 2015-07-27 | Photocureable coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912941A (en) * | 2017-03-22 | 2018-11-30 | 比亚迪股份有限公司 | 3D glass decoration coating composition and 3D glass and preparation method thereof |
| CN110028759A (en) * | 2018-11-15 | 2019-07-19 | 许文强 | A kind of preparation method of the epoxy resin electronic package material modified based on porous gel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153127A (en) * | 2007-09-06 | 2008-04-02 | 湖南阳光新材料有限公司 | White composition capable of solidifying by ultraviolet light |
| CN101654570A (en) * | 2009-09-24 | 2010-02-24 | 中国海洋石油总公司 | Water-based ultraviolet curing coating |
| CN103614089A (en) * | 2013-11-22 | 2014-03-05 | 东莞市纳利光学材料有限公司 | Golden blue ray-resistant protection film and preparation method thereof |
-
2015
- 2015-07-27 CN CN201510445081.0A patent/CN105038535A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153127A (en) * | 2007-09-06 | 2008-04-02 | 湖南阳光新材料有限公司 | White composition capable of solidifying by ultraviolet light |
| CN101654570A (en) * | 2009-09-24 | 2010-02-24 | 中国海洋石油总公司 | Water-based ultraviolet curing coating |
| CN103614089A (en) * | 2013-11-22 | 2014-03-05 | 东莞市纳利光学材料有限公司 | Golden blue ray-resistant protection film and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912941A (en) * | 2017-03-22 | 2018-11-30 | 比亚迪股份有限公司 | 3D glass decoration coating composition and 3D glass and preparation method thereof |
| CN108912941B (en) * | 2017-03-22 | 2019-12-10 | 比亚迪股份有限公司 | coating composition for 3D glass decoration, 3D glass and preparation method thereof |
| CN110028759A (en) * | 2018-11-15 | 2019-07-19 | 许文强 | A kind of preparation method of the epoxy resin electronic package material modified based on porous gel |
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