CN103756485A - Water-based externally coated metal printing whitewash and preparation method thereof - Google Patents
Water-based externally coated metal printing whitewash and preparation method thereof Download PDFInfo
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- CN103756485A CN103756485A CN201410025954.8A CN201410025954A CN103756485A CN 103756485 A CN103756485 A CN 103756485A CN 201410025954 A CN201410025954 A CN 201410025954A CN 103756485 A CN103756485 A CN 103756485A
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Abstract
The invention provides water-based externally coated metal printing whitewash and a preparation method thereof. The whitewash comprises the following components in percentage by mass: 30-50% of water-based epoxy modified acrylic resin, 5-10% of amino resin, 40-60% of titanium dioxide slurry, 5-20% of dipropylene glycol methyl ether and 0.1-0.3% of an adhesion promoter, wherein the titanium dioxide slurry comprises 20-30% of water, 0.1-1.3% of a wetting dispersant and 0.2-0.3% of a defoamer as well as the balance of titanium dioxide. The whitewash provided by the invention is crosslinked and cured through the water-based epoxy modified acrylic resin and the amino resin with a certain amount of an assistant and white slurry to obtain the water-based externally coated metal printing whitewash which is good in adhesive force, strength and machinability. The production cost is lowered, and meanwhile, the water-based epoxy modified acrylic resin is low in content of volatile organic compounds, low in toxicity, less in atmospheric pollution and beneficial for environmental protection.
Description
Technical field
The present invention relates to a kind of tin graphed sheet whitewash, relate in particular to a kind of water-based and be coated with tin graphed sheet whitewash and preparation method thereof outward.
Background technology
Development along with China's packaging industry, tank industry processed is expanded rapidly, the demand rapid growth of the chain related products coatings for tin plate printing of simultaneously driving the industry, tin graphed sheet refers to the process of printed patterns in metal sheets, and product type comprises that drink material tank ﹑ food product tank ﹑ protects warm tank ﹑ and protects temperature bottle ﹑ electricity meal pot ﹑ and play the bucket of tool ﹑ metal photo frame and fine chemical product and tank etc.The modal metal printable fabric of tin graphed sheet is Tinplate (being commonly called as " tinplate ").At present conventional coatings for tin plate printing belongs to thermosetting coating, through printing or roller coat painting, installs to metallic surface, and then heated baking makes its crosslinking curing, forms tough and tensile filming.The kind of coatings for tin plate printing is more, mainly comprises: whitewash, coating oil, interior coating, look China ink etc., the wherein large usage quantity of whitewash.Metal form and aspect due to metal sheet self, be not suitable for printing conventional color logo pattern, general multi color pattern is imprinted on white ability display color best effect above, therefore,, in the printing of metal sheet, first to be coated with in metallic surface one deck whitewash, yet domestic and international widely used whitewash is mainly solvent type resin coating at present, in use procedure, discharge a large amount of poisonous and harmful organic solvents, not only can produce injury to workmen is healthy, and can cause environmental pollution.
Summary of the invention
The object of the present invention is to provide a kind of water-based to be coated with tin graphed sheet whitewash outward, it has good sticking power, intensity and resistance to processibility, and comparatively environmental protection.
Another object of the present invention is to provide a kind of water-based to be coated with the preparation method of tin graphed sheet whitewash outward, it is simple to operate, is beneficial to environmental protection.
For achieving the above object, the invention provides a kind of water-based and be coated with tin graphed sheet whitewash outward, calculate in mass ratio, it comprises: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, wherein, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide.
The content of described waterborne epoxy modified acrylic resin is 38%-42%.
Described wetting dispersing agent is siliceous wetting dispersing agent.
The present invention also provides a kind of water-based to be coated with the preparation method of tin graphed sheet whitewash outward, comprises the following steps:
Step 1, supply raw materials in mass ratio, comprise: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, wherein, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide;
Step 2, waterborne epoxy modified acrylic resin is mixed with the titanium dioxide slurry making, more than grinding distribution 30min, then, scrape fineness, make fineness be less than or equal to 15 μ m;
Step 3, add aminoresin, dipropylene glycol methyl ether, adhesion promoter stirring at low speed 20min respectively;
Step 4, detect index of correlation, qualified after, canned.
The content of described waterborne epoxy modified acrylic resin is 38%-42%.
The making method of described titanium dioxide slurry is: at ambient temperature, first 50% water is injected to container, add again whole wetting dispersing agents, defoamer and titanium dioxide, speed with 3000r/min stirs after 30min, then, add remaining 50% water, with the speed of 400-600r/min, stir, and filter, and then make titanium dioxide slurry.
Described wetting dispersing agent is siliceous wetting dispersing agent.
In described step 5, detect qualified after, by 200 object filter-cloth filterings, then filling.
Beneficial effect of the present invention: water-based of the present invention is coated with tin graphed sheet whitewash and preparation method thereof outward; by waterborne epoxy modified acrylic resin and amino resin crosslinked solidifying; adding certain auxiliary agent and white slurry obtains the water-based with good sticking power, intensity and resistance to processibility of the present invention and is coated with tin graphed sheet whitewash outward; reduce production costs; simultaneously; in waterborne epoxy modified acrylic resin, content of volatile organic compound is low, toxicity is little, few to topsoil, be beneficial to environment protection.
In order further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and explanation use, be not used for the present invention to be limited.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the schema that water-based of the present invention is coated with the preparation method of tin graphed sheet whitewash outward;
Fig. 2 be water-based of the present invention be coated with titanium dioxide slurry in the preparation method of tin graphed sheet whitewash outward prepare processing procedure figure;
Fig. 3 is the water-based of the present invention preparation method's that is coated with tin graphed sheet whitewash outward processing procedure figure.
Embodiment
Technique means and the effect thereof for further setting forth the present invention, taked, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
The invention provides a kind of water-based and be coated with tin graphed sheet whitewash outward, calculate in mass ratio, it comprises: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, wherein, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide.By waterborne epoxy modified acrylic resin and amino resin crosslinked solidifying; adding certain auxiliary agent and white slurry obtains the water-based with good sticking power, intensity and resistance to processibility of the present invention and is coated with tin graphed sheet whitewash outward; reduce production costs; simultaneously; volatile organic compounds in waterborne epoxy modified acrylic resin (VOC) content is low, toxicity is little, few to topsoil, be beneficial to environment protection.
Preferably, the content of described waterborne epoxy modified acrylic resin is 38%-42%.
In the present embodiment, described wetting dispersing agent is siliceous wetting dispersing agent.
Refer to Fig. 1 to Fig. 3, the preparation method that the present invention also provides a kind of water-based to be coated with tin graphed sheet whitewash outward,
Comprise the following steps:
Step 1, supply raw materials in mass ratio, comprise: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, wherein, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide.
Preferably, the content of described waterborne epoxy modified acrylic resin is 38%-42%, and its content of volatile organic compound is low, toxicity is little, few to topsoil, is beneficial to environment protection.
Further, refer to Fig. 2, the making method of described titanium dioxide slurry is: at ambient temperature, first 50% water is injected to container, then add whole wetting dispersing agents, defoamer and titanium dioxide, speed with 3000r/min stirs after 30min, then, add remaining 50% water, with the speed of 400-600r/min, stir, and filter, and then make titanium dioxide slurry.
And in the present embodiment, described wetting dispersing agent is siliceous wetting dispersing agent.
Step 2, waterborne epoxy modified acrylic resin is mixed with the titanium dioxide slurry making, more than grinding distribution 30min, then, scrape fineness, make fineness be less than or equal to 15 μ m.
Step 3, add aminoresin, dipropylene glycol methyl ether, adhesion promoter stirring at low speed 20min respectively.
Step 4, detect index of correlation, qualified after, canned.
In described step 5, detect qualified after, by 200 object filter-cloth filterings, then filling.
In sum; water-based of the present invention is coated with tin graphed sheet whitewash and preparation method thereof outward; by waterborne epoxy modified acrylic resin and amino resin crosslinked solidifying; adding certain auxiliary agent and white slurry obtains the water-based with good sticking power, intensity and resistance to processibility of the present invention and is coated with tin graphed sheet whitewash outward; reduce production costs; meanwhile, in waterborne epoxy modified acrylic resin, content of volatile organic compound is low, toxicity is little, few to topsoil, is beneficial to environment protection.
The above, for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of the claims in the present invention.
Claims (8)
1. a water-based is coated with tin graphed sheet whitewash outward, it is characterized in that, calculate in mass ratio, it comprises: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide.
2. water-based as claimed in claim 1 is coated with tin graphed sheet whitewash outward, it is characterized in that, the content of described waterborne epoxy modified acrylic resin is 38%-42%.
3. water-based as claimed in claim 1 is coated with tin graphed sheet whitewash outward, it is characterized in that, described wetting dispersing agent is siliceous wetting dispersing agent.
4. water-based is coated with a preparation method for tin graphed sheet whitewash outward, it is characterized in that, comprises the following steps:
Step 1, supply raw materials in mass ratio, comprise: the waterborne epoxy modified acrylic resin of 30%-50%, the aminoresin of 5%-10%, the titanium dioxide slurry of 40%-60%, the adhesion promoter of the dipropylene glycol methyl ether of 5%-20% and 0.1%-0.3%, wherein, the defoamer of the water that described titanium dioxide slurry comprises 20%-30%, the wetting dispersing agent of 0.1%-1.3% and 0.2%-0.3%, all the other are titanium dioxide;
Step 2, waterborne epoxy modified acrylic resin is mixed with the titanium dioxide slurry making, more than grinding distribution 30min, then, scrape fineness, make fineness be less than or equal to 15 μ m;
Step 3, add aminoresin, dipropylene glycol methyl ether, adhesion promoter stirring at low speed 20min respectively;
Step 4, detect index of correlation, qualified after, canned.
5. water-based as claimed in claim 4 is coated with the preparation method of tin graphed sheet whitewash outward, it is characterized in that, the content of described waterborne epoxy modified acrylic resin is 38%-42%.
6. water-based as claimed in claim 4 is coated with the preparation method of tin graphed sheet whitewash outward, it is characterized in that, the making method of described titanium dioxide slurry is: at ambient temperature, first 50% water is injected to container, then add whole wetting dispersing agents, defoamer and titanium dioxide, speed with 3000r/min stirs after 30min, then, add remaining 50% water, with the speed of 400-600r/min, stir, and filter, and then make titanium dioxide slurry.
7. water-based as claimed in claim 4 is coated with the preparation method of tin graphed sheet whitewash outward, it is characterized in that, described wetting dispersing agent is siliceous wetting dispersing agent.
8. water-based as claimed in claim 4 is coated with the preparation method of tin graphed sheet whitewash outward, it is characterized in that, in described step 5, detect qualified after, by 200 object filter-cloth filterings, then filling.
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| CN201410025954.8A CN103756485B (en) | 2014-01-20 | 2014-01-20 | Water-based is coated with tin graphed sheet whitewash and preparation method thereof outward |
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| CN201410025954.8A CN103756485B (en) | 2014-01-20 | 2014-01-20 | Water-based is coated with tin graphed sheet whitewash and preparation method thereof outward |
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| CN103756485B CN103756485B (en) | 2016-04-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817923A (en) * | 2015-04-28 | 2015-08-05 | 安徽丹凤电子材料股份有限公司 | Preparation method of high-strength ferrous printing coatings |
| CN105802408A (en) * | 2016-05-30 | 2016-07-27 | 宿迁市三石包装容器有限公司 | Formulation of metal printing raw material special for chemical bucket |
| CN106010009A (en) * | 2016-07-08 | 2016-10-12 | 英德市邦士化工实业有限公司 | Environment-friendly water-based gloss oil |
| CN106118302A (en) * | 2016-07-19 | 2016-11-16 | 宜兴市巨人涂料有限公司 | A kind of preparation method for outdoor type water-based anticorrosive paint |
| CN106336750A (en) * | 2016-08-26 | 2017-01-18 | 蚌埠飞浦科技包装材料有限公司 | Milk powder packaging tin inner wall coating having high safety performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818011A (en) * | 2010-04-28 | 2010-09-01 | 常州市科祥化工有限公司 | Water-based acrylic acid tape primer and preparation method thereof |
| CN103184004A (en) * | 2013-03-14 | 2013-07-03 | 东莞大宝化工制品有限公司 | Water-based crack paint as well as preparation method and application method thereof |
-
2014
- 2014-01-20 CN CN201410025954.8A patent/CN103756485B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818011A (en) * | 2010-04-28 | 2010-09-01 | 常州市科祥化工有限公司 | Water-based acrylic acid tape primer and preparation method thereof |
| CN103184004A (en) * | 2013-03-14 | 2013-07-03 | 东莞大宝化工制品有限公司 | Water-based crack paint as well as preparation method and application method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817923A (en) * | 2015-04-28 | 2015-08-05 | 安徽丹凤电子材料股份有限公司 | Preparation method of high-strength ferrous printing coatings |
| CN105802408A (en) * | 2016-05-30 | 2016-07-27 | 宿迁市三石包装容器有限公司 | Formulation of metal printing raw material special for chemical bucket |
| CN106010009A (en) * | 2016-07-08 | 2016-10-12 | 英德市邦士化工实业有限公司 | Environment-friendly water-based gloss oil |
| CN106118302A (en) * | 2016-07-19 | 2016-11-16 | 宜兴市巨人涂料有限公司 | A kind of preparation method for outdoor type water-based anticorrosive paint |
| CN106336750A (en) * | 2016-08-26 | 2017-01-18 | 蚌埠飞浦科技包装材料有限公司 | Milk powder packaging tin inner wall coating having high safety performance |
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| Publication number | Publication date |
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| CN103756485B (en) | 2016-04-20 |
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Address after: Baoan District Shiyan town Shenzhen city Guangdong province 518000 house Rainbow Industrial City Patentee after: Shenzhen trillion new energy Limited by Share Ltd Address before: Baoan District Shiyan town Shenzhen city Guangdong province 518000 house Rainbow Industrial City Patentee before: Shenzhen Rainbow Fine Chemical Industry Co., Ltd. |