CN104946118A - Photocuring elastic coating and preparation method thereof - Google Patents
Photocuring elastic coating and preparation method thereof Download PDFInfo
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- CN104946118A CN104946118A CN201410524194.5A CN201410524194A CN104946118A CN 104946118 A CN104946118 A CN 104946118A CN 201410524194 A CN201410524194 A CN 201410524194A CN 104946118 A CN104946118 A CN 104946118A
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- aliphatic urethane
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Abstract
The invention provides a photocuring elastic coating, comprising the following components in percentage by weight: elastic aliphatic polyurethane acrylate, hexa-functional aliphatic polyurethane acrylate, 1-hydroxylcyclohexyl phenyl ketone, 2,4,6-trimethybenzoyl-diphenyl phosphorus oxide, fumed silica extinction powder, hand-feeling slurry, polyether modified polymethyl alkylsiloxane, n-butyl acetate, acetic ether and polyester modified polysiloxane. The prepared photocuring elastic coating has good hand-feeling; the film of the coating has good comprehensive performances such as scratching resistance, abrasion resistance and after-tack resistance, is simple in construction and low in requirement, and can be widely applied to high-grade 3C electronic products, automotive trim, small household appliances and other related fields.
Description
Technical field
The present invention relates to technical field of coatings, especially a kind of photocuring elastic coating and preparation method thereof.
Background technology
In recent years, polytetrahy-drofuran accept by people.Because the elongation of polytetrahy-drofuran can reach 300-600%, the second-order transition temperature of film is low, namely very large distortion is there is under less External Force Acting, and original shape can be recovered again after external force removing, therefore, it is possible to be suitable for multiple material distorting as leather, rubber, plastics etc.
Polytetrahy-drofuran can be divided into bicomponent polyurethane coating and one-can urethane coating, and wherein bicomponent polyurethane coating is made up of isocyanate prepolymer and hydroxy-containing resin two portions, is commonly referred to curing agent component and host component.This class coating generally all have good mechanical property, higher solids content, each side performance all relatively good, main application direction has woodenware, car repair, anticorrosion etc.; One-can urethane coating mainly contains ammonia ester oil coating, moisture solidification polyurethane coating, blocked polyurethane paint etc., is mainly used in floor, pre-coiled material etc., and application surface is wide not as two-component coating and overall performance is comprehensive not as two-component coating.No matter be double-component polyurethane coating or one-can urethane coating, it all exists feel difference, poor, the wear-resisting difference of film scratch resistant, paint film easily after-tack, working procedure is complicated, construction environment requires the problems such as high.
Therefore, prior art needs to be improved and improves.
Summary of the invention
Object of the present invention aims to provide one with modified rubber many officials urethane acrylate for carrier, with lipid, ketone, aromatic hydrocarbon solvent etc. for dispersion medium, be aided with light trigger, photocuring elastic coating that feel slurry, elasticity auxiliary agent, auxiliary rheological agents, matting agent, moistening flatting agent are made.
Another object of the present invention aims to provide the preparation method of above-mentioned photocuring elastic coating.
A kind of photocuring elastic coating, each component and weight percent thereof are:
Elasticity aliphatic urethane acrylate 40-60%
6 official's aliphatic urethane acrylate 2-5%
1-hydroxycyclohexyl phenyl ketone 1-2%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.2-0.5%
Aerosil flatting silica 3-8%
Feel slurry 2-5%
Polyether-modified poly-methyl alkyl siloxane 0.5-2%
N-BUTYL ACETATE 10-20%
Vinyl acetic monomer 15-25%
Polyester-modified polysiloxanes 0.3-1.0%
A preparation method for above-mentioned photocuring elastic coating, comprises the following steps:
(1) stir with coating dispersion machine after first elasticity aliphatic urethane acrylate and 6 official's aliphatic urethane acrylates, N-BUTYL ACETATE being carried out pre-mixing, 3-8% aerosil flatting silica is dropped into, with the rotating speed high speed dispersion 20-30min of 1200-1500r/min in whipping process;
(2) 2-5% feel slurry, the polyether-modified poly-methyl alkyl siloxane of 0.5-2% and 0.3-1% polyester-modified polysiloxanes is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(3) 1-hydroxycyclohexyl phenyl ketone and 2.4.6-trimethylbenzoy-dipheny phosphorus oxide is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(4) drop into vinyl acetic monomer, with the rotating speed low speed of 300-500r/min dispersion 5-10min, detect glossiness and surface fineness, qualified rear 250-350 mesh filter screen filters and packages.
Compared with prior art, the feature that the present invention has is:
1, under the irradiation of ultraviolet light, excite initiator to produce free radical and be cross-linked film forming further, film has excellent physicochemical property, and workability is excellent, and rate of drying is exceedingly fast, apparent effective;
2, curing of coating is quick, is low to moderate meter second set time, the advantage of photo-cured coating and hand-feeling coating is combined;
3, after dried coating film, have good feel, the scratch resistant performance of film, abrasion resistance present the raising of hop than conventional urethane elastic coating;
4., film not easily after-tacks.
Embodiment
The present invention is described in further detail to provide some embodiments below:
Embodiment 1:
Elasticity aliphatic urethane acrylate 40.0%
6 official's aliphatic urethane acrylates 5.0%
1-hydroxycyclohexyl phenyl ketone 1.0%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.2%
Aerosil flatting silica 3.0%
Feel slurry 5.0%
Polyether-modified poly-methyl alkyl siloxane 0.5%
N-BUTYL ACETATE 20.0%
Vinyl acetic monomer 25.0%
Polyester-modified polysiloxanes 0.3%
Embodiment 2:
Elasticity aliphatic urethane acrylate 45.0%
6 official's aliphatic urethane acrylates 4.5%
1-hydroxycyclohexyl phenyl ketone 1%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.3%
Aerosil flatting silica 4.0%
Feel slurry 4.0%
Polyether-modified poly-methyl alkyl siloxane 0.5%
N-BUTYL ACETATE 18.2%
Vinyl acetic monomer 22.0%
Polyester-modified polysiloxanes 0.5%
Embodiment 3:
Elasticity aliphatic urethane acrylate 50.0%
6 official's aliphatic urethane acrylates 4.0%
1-hydroxycyclohexyl phenyl ketone 1.5%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.4%
Aerosil flatting silica 6.0%
Feel slurry 3.0%
Polyether-modified poly-methyl alkyl siloxane 1.0%
N-BUTYL ACETATE 15.6%
Vinyl acetic monomer 18.0%
Polyester-modified polysiloxanes 0.5%
Embodiment 4:
Elasticity aliphatic urethane acrylate 55.0%
6 official's aliphatic urethane acrylates 3.0%
1-hydroxycyclohexyl phenyl ketone 2.0%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.5%
Aerosil flatting silica 7.0 %
Feel slurry 2.0%
Polyether-modified poly-methyl alkyl siloxane 2.0%
N-BUTYL ACETATE 13.0%
Vinyl acetic monomer 14.0%
Polyester-modified polysiloxanes 1.0%
Embodiment 5:
Elasticity aliphatic urethane acrylate 60.0%
6 official's aliphatic urethane acrylates 2.0%
1-hydroxycyclohexyl phenyl ketone 2.0%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.5%
Aerosil flatting silica 8.0%
Feel slurry 2.0%
Polyether-modified poly-methyl alkyl siloxane 2.0%
N-BUTYL ACETATE 11.5%
Vinyl acetic monomer 11.0%
Polyester-modified polysiloxanes 1.0%
Above-mentioned example is prepared all as follows, and preparation method is as follows:
(1) first elasticity aliphatic urethane acrylate and 6 official's aliphatic urethane acrylates, N-BUTYL ACETATE are stirred with coating dispersion machine after carrying out pre-mixing in the ratio in above-mentioned example, the aerosil flatting silica of the corresponding ratio in above-mentioned example is dropped into, with the rotating speed high speed dispersion 20-30min of 1200-1500r/min in whipping process;
(2) feel slurry, 0 polyether-modified poly-methyl alkyl siloxane and the polyester-modified polysiloxanes of corresponding ratio in above-mentioned example is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(3) 1-hydroxycyclohexyl phenyl ketone and the 2.4.6-trimethylbenzoy-dipheny phosphorus oxide of corresponding ratio in above-mentioned example is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(4) drop into the vinyl acetic monomer of corresponding ratio in above-mentioned example, with the rotating speed low speed of 300-500r/min dispersion 5-10min, detect glossiness and surface fineness, qualified rear 250-350 mesh filter screen filters and packages.
The photocuring resilient material that the present invention makes not only has good feel, and the scratch resistant of film, abrasion performance, resistance toly after-tack aspect good combination property, construction is simple, requires low, can be widely used in the association areas such as high-grade 3C electronics, automotive trim, small household appliances.
Claims (2)
1. a photocuring elastic coating, is characterized in that, each component and weight percent thereof are:
Elasticity aliphatic urethane acrylate 40-60%
6 official's aliphatic urethane acrylate 2-5%
1-hydroxycyclohexyl phenyl ketone 1-2%
2.4.6-trimethylbenzoy-dipheny phosphorus oxide 0.2-0.5%
Aerosil flatting silica 3-8%
Feel slurry 2-5%
Polyether-modified poly-methyl alkyl siloxane 0.5-2%
N-BUTYL ACETATE 10-20%
Vinyl acetic monomer 15-25%
Polyester-modified polysiloxanes 0.3-1.0%.
2. a preparation method for photocuring elastic coating as claimed in claim 1, is characterized in that, comprise the following steps:
(1) stir with coating dispersion machine after first elasticity aliphatic urethane acrylate and 6 official's aliphatic urethane acrylates, N-BUTYL ACETATE being carried out pre-mixing, 3-8% aerosil flatting silica is dropped into, with the rotating speed high speed dispersion 20-30min of 1200-1500r/min in whipping process;
(2) 2-5% feel slurry, the polyether-modified poly-methyl alkyl siloxane of 0.5-2% and 0.3-1% polyester-modified polysiloxanes is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(3) 1-hydroxycyclohexyl phenyl ketone and 2.4.6-trimethylbenzoy-dipheny phosphorus oxide is dropped into, with the rotating speed middling speed of 600-800r/min dispersion 5-10min;
(4) drop into vinyl acetic monomer, with the rotating speed low speed of 300-500r/min dispersion 5-10min, detect glossiness and surface fineness, qualified rear 250-350 mesh filter screen filters and packages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524194.5A CN104946118A (en) | 2014-10-09 | 2014-10-09 | Photocuring elastic coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524194.5A CN104946118A (en) | 2014-10-09 | 2014-10-09 | Photocuring elastic coating and preparation method thereof |
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| CN104946118A true CN104946118A (en) | 2015-09-30 |
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| CN201410524194.5A Pending CN104946118A (en) | 2014-10-09 | 2014-10-09 | Photocuring elastic coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713498A (en) * | 2015-12-18 | 2016-06-29 | 广州源辉化工有限公司 | Waterborne hand feeling paint for automobile interiors and film forming method thereof |
| CN105754469A (en) * | 2015-12-18 | 2016-07-13 | 广州源辉化工有限公司 | UV hand-feeling coating and spraying construction method thereof |
| CN115678417A (en) * | 2022-11-15 | 2023-02-03 | 浙江乘鹰新材料股份有限公司 | Fluff skin-feel scratch-resistant coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959020A (en) * | 1997-08-06 | 1999-09-28 | Shamrock Technologies, Inc. | Ultraviolet radiation curable compositions |
| CN101781502A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Paint |
-
2014
- 2014-10-09 CN CN201410524194.5A patent/CN104946118A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959020A (en) * | 1997-08-06 | 1999-09-28 | Shamrock Technologies, Inc. | Ultraviolet radiation curable compositions |
| CN101781502A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Paint |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713498A (en) * | 2015-12-18 | 2016-06-29 | 广州源辉化工有限公司 | Waterborne hand feeling paint for automobile interiors and film forming method thereof |
| CN105754469A (en) * | 2015-12-18 | 2016-07-13 | 广州源辉化工有限公司 | UV hand-feeling coating and spraying construction method thereof |
| CN105713498B (en) * | 2015-12-18 | 2019-07-16 | 广州源辉化工有限公司 | A kind of aqueous handfeel paint and its film build method for automobile interior decoration |
| CN115678417A (en) * | 2022-11-15 | 2023-02-03 | 浙江乘鹰新材料股份有限公司 | Fluff skin-feel scratch-resistant coating and preparation method thereof |
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Application publication date: 20150930 |