CN104910792A - Aqueous UV coating material and preparation method thereof - Google Patents
Aqueous UV coating material and preparation method thereof Download PDFInfo
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- CN104910792A CN104910792A CN201510279603.4A CN201510279603A CN104910792A CN 104910792 A CN104910792 A CN 104910792A CN 201510279603 A CN201510279603 A CN 201510279603A CN 104910792 A CN104910792 A CN 104910792A
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Abstract
The present invention relates to an aqueous UV coating material, and belongs to the field of coating materials. The aqueous UV coating material comprises, by weight, 60-80 parts of a nanometer polyurethane acrylic acid core-shell copolymerization emulsion, 4-10 parts of DPNB, 10-15 parts of modified polytetrafluoroethylene, 5-10 parts of talc powder, 2-4 parts of a photoinitiator, 100-200 parts of water, 0.3-0.5 part of a pH value adjusting agent, and 0.5-1 part of an alkali swelling thickener. The present invention further provides a preparation method of the aqueous UV coating material. The aqueous UV coating material of the present invention has characteristics of low toxicity, low irritation, no volatile organic solvent, no burning, safety, and short drying time, and is suitable for flat plate coating and modeling product coating, such that the disadvantage that most of the UV coating materials can only be used for the flat plate coating is solved with the aqueous UV coating material of the present invention.
Description
Technical field
The invention belongs to paint field, especially a kind of waterborne UV coating and preparation method thereof.
Background technology
Along with the enhancing of mankind's environmental consciousness, environmental regulation has been formulated in the discharge of various countries to VOC (volatile organic compounds) in succession, and it is increasingly strict to limit emission standard, is intended to the product innovation encouraging to promote the use of environmental protection, energy-saving and emission-reduction.Therefore, imperative in the grade development and application of Environmentally friendly coatings of paint spraying field safety and the water-based of low VOC, powder and high solid.Due to waterborne UV coating has can the features such as actualizing technology approach many, wide application, safety, construction be relatively simple, very fast in developed country's development such as America and Europes in recent years, be popular.Along with the emergence of the 3C electronic product of numerous domestic, environment-friendly water-based UV coating also starts very fast development at home, becomes domestic very active research and development field.Although waterborne UV coating is popular, still there are some problems: can complete drying after UV rayed after existing waterborne UV coating application; If but UV illumination is not then, need ability complete drying for a long time, therefore common waterborne UV coating is used for dull and stereotyped application, then requires a great deal of time carry out drying for the product being provided with moulding.
Summary of the invention
The problem to be solved in the present invention is: provide a kind of waterborne UV coating, toxicity and pungency little, not containing volatile organic solvent, do not burn, safer, dry required time is short, is not only applicable to dull and stereotyped application, also be applicable to the application with molded product, solve the disadvantage that large portion large UV coating can only be used for dull and stereotyped application.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of waterborne UV coating, and meter comprises following component by weight:
Further, meter comprises following component by weight:
Further, meter comprises following component by weight:
Another technical problem that the present invention will solve is: the preparation method providing above-mentioned waterborne UV coating.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the method preparing above-mentioned waterborne UV coating, comprises the steps:
(1) first core-shell copolymerized for nano-polyurethane vinylformic acid emulsion is dropped into 500-700r/min in container to stir;
(2), after DPNB being mixed with a part of water, slowly add in container;
(3) after dropping into modified Teflon and talcum powder, 1000-1200r/min disperses;
(4) in container, slowly add light trigger, remaining water, PH conditioning agent and alkali swollen thickener, stir, pack after the assay was approved.
Further, the DPNB added in described step (2) and the portion rate of water are 1:1.
Further, in described step (3), the time of dispersed with stirring is 20-25min.
The advantage that the present invention has and positively effect are:
(1) scientific formulation of the present invention's employing, reduces the cure shrinkage caused because using reactive thinner in a large number, the diluent water of available cheapness or the control flow check sex change easily of alkali swollen thickener, decrease toxicity and pungency, not containing volatile organic solvent, do not burn, safer.
(2) the dry required time of the present invention is short, and after paint spraying, UV rayed 3-5s complete drying saves man-hour; As moulding place UV illumination less than, only need 4h to do solid work under normal temperature, 48h substantially dry is complete, is not only applicable to dull and stereotyped application, is also applicable to the application with molded product, solves the disadvantage that large portion large UV coating can only be used for dull and stereotyped application.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
Embodiment one
A kind of waterborne UV coating, meter comprises following component by weight: the core-shell copolymerized emulsion of nano-polyurethane vinylformic acid 70 parts, DPNB 7 parts, modified Teflon 13 parts, talcum powder 7 parts, light trigger 3 parts, 160 parts, water, pH adjusting agent 0.4 part, alkali swollen thickener 0.7 part.
The preparation method of above-mentioned waterborne UV coating, comprises the steps:
(1) first 70 parts of core-shell copolymerized emulsions of nano-polyurethane vinylformic acid are dropped into 500-700r/min in container to stir;
(2), after 7 parts of DPNB being mixed with 7 parts of water, slowly add in container;
(3) after dropping into 13 parts of modified Teflons and 7 parts of talcum powder, 1000-1200r/min disperses 20min;
(4) in container, slowly add 3 parts of light triggers, 153 parts of water, 0.4 part of PH conditioning agent and 0.7 part of alkali swollen thickener, stir, pack after the assay was approved.
Embodiment two
A kind of waterborne UV coating, meter comprises following component by weight: the core-shell copolymerized emulsion of nano-polyurethane vinylformic acid 65 parts, DPNB 6 parts, modified Teflon 14 parts, talcum powder 8 parts, light trigger 2 parts, 180 parts, water, pH adjusting agent 0.3 part, alkali swollen thickener 0.6 part.
The preparation method of above-mentioned waterborne UV coating, comprises the steps:
(1) first 65 parts of core-shell copolymerized emulsions of nano-polyurethane vinylformic acid are dropped into 500-700r/min in container to stir;
(2), after 6 parts of DPNB being mixed with 6 parts of water, slowly add in container;
(3) after dropping into 14 parts of modified Teflons and 8 parts of talcum powder, 1000-1200r/min disperses 25min;
(4) in container, slowly add 2 parts of light triggers, 172 parts of water, 0.3 part of PH conditioning agent and 0.6 part of alkali swollen thickener, stir, pack after the assay was approved.
Embodiment three
A kind of waterborne UV coating, meter comprises following component by weight: the core-shell copolymerized emulsion of nano-polyurethane vinylformic acid 75 parts, DPNB 8 parts, modified Teflon 12 parts, talcum powder 6 parts, light trigger 4 parts, 150 parts, water, pH adjusting agent 0.5 part, alkali swollen thickener 0.8 part.
The preparation method of above-mentioned waterborne UV coating, comprises the steps:
(1) first 75 parts of core-shell copolymerized emulsions of nano-polyurethane vinylformic acid are dropped into 500-700r/min in container to stir;
(2), after 8 parts of DPNB being mixed with 8 parts of water, slowly add in container;
(3) after dropping into 12 parts of tetrafluoroethylene and 6 parts of talcum powder, 1000-1200r/min disperses 25min;
(4) in container, slowly add 4 parts of light triggers, 142 parts of water, 0.5 part of PH conditioning agent and 0.8 part of alkali swollen thickener, stir, pack after the assay was approved.
Simultaneous test
The performance comparison test of each embodiment product and commercially available oil paint and waterborne UV coating is in table 1.
The performance comparison test of table 1 each embodiment product and commercially available oil paint and waterborne UV coating
As can be seen from simultaneous test, not containing the organic solvent such as benzene, formaldehyde in product of the present invention, there is the good feature of environmental protection, and rate of drying than commercially available oil paint and waterborne UV coating fast, more save man-hour, nonflammable, security is high; Outward appearance, sticking power and application property all with commercially available oil paint and waterborne UV coating difference little.
The above, be only preferred embodiments of the present invention, is illustrative instead of determinate, can list several embodiments according to limited range, therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (6)
1. a waterborne UV coating, is characterized in that: meter comprises following component by weight:
2. waterborne UV coating according to claim 1, is characterized in that: meter comprises following component by weight:
3. waterborne UV coating according to claim 1, is characterized in that: meter comprises following component by weight:
4. prepare a method for the waterborne UV coating as described in any one of claim 1-3, it is characterized in that: comprise the steps:
(1) first core-shell copolymerized for nano-polyurethane vinylformic acid emulsion is dropped into 500-700r/min in container to stir;
(2), after DPNB being mixed with a part of water, slowly add in container;
(3) after dropping into modified Teflon and talcum powder, 1000-1200r/min disperses;
(4) in container, slowly add light trigger, remaining water, PH conditioning agent and alkali swollen thickener, stir, pack after the assay was approved.
5. the preparation method of waterborne UV coating according to claim 4, is characterized in that: the DPNB added in described step (2) and the portion rate of water are 1:1.
6. the preparation method of waterborne UV coating according to claim 4, is characterized in that: in described step (3), the time of dispersed with stirring is 20-25min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510279603.4A CN104910792A (en) | 2015-05-27 | 2015-05-27 | Aqueous UV coating material and preparation method thereof |
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| CN201510279603.4A CN104910792A (en) | 2015-05-27 | 2015-05-27 | Aqueous UV coating material and preparation method thereof |
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Citations (7)
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| WO2008005403A2 (en) * | 2006-06-30 | 2008-01-10 | Lexmark International, Inc. | Printing quality improvement of pigmented inks on glossy media |
| CN102766397A (en) * | 2012-07-03 | 2012-11-07 | 江苏天辅星光学材料有限公司 | Aqueous UV (Ultraviolet) coating |
| CN103694882A (en) * | 2013-11-29 | 2014-04-02 | 蚌埠市正园电子科技有限公司 | Fluororesin oil paint with weather resistance, temperature resistance and color retention |
| WO2014097309A1 (en) * | 2012-12-17 | 2014-06-26 | Asian Paints Ltd. | Stimuli responsive self cleaning coating |
| CN104130670A (en) * | 2014-08-20 | 2014-11-05 | 崇州市美涂士涂料科技有限公司 | Solvent-free UV vacuum spraying under-coating paint and preparation method thereof |
| CN104277704A (en) * | 2013-07-02 | 2015-01-14 | 海安华盛化工有限公司 | Composite UV paint |
| CN104371508A (en) * | 2014-11-03 | 2015-02-25 | 苏州福斯特新材料有限公司 | Weather-resistant coating composite film |
-
2015
- 2015-05-27 CN CN201510279603.4A patent/CN104910792A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008005403A2 (en) * | 2006-06-30 | 2008-01-10 | Lexmark International, Inc. | Printing quality improvement of pigmented inks on glossy media |
| CN102766397A (en) * | 2012-07-03 | 2012-11-07 | 江苏天辅星光学材料有限公司 | Aqueous UV (Ultraviolet) coating |
| WO2014097309A1 (en) * | 2012-12-17 | 2014-06-26 | Asian Paints Ltd. | Stimuli responsive self cleaning coating |
| CN104277704A (en) * | 2013-07-02 | 2015-01-14 | 海安华盛化工有限公司 | Composite UV paint |
| CN103694882A (en) * | 2013-11-29 | 2014-04-02 | 蚌埠市正园电子科技有限公司 | Fluororesin oil paint with weather resistance, temperature resistance and color retention |
| CN104130670A (en) * | 2014-08-20 | 2014-11-05 | 崇州市美涂士涂料科技有限公司 | Solvent-free UV vacuum spraying under-coating paint and preparation method thereof |
| CN104371508A (en) * | 2014-11-03 | 2015-02-25 | 苏州福斯特新材料有限公司 | Weather-resistant coating composite film |
Non-Patent Citations (1)
| Title |
|---|
| 王小荣: "水性聚氨酯丙烯酸酯水性漆制备及性能研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
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Effective date of abandoning: 20180417 |