CN1834177A - High temp resistant electrostatic powdered paint and prodn. technique - Google Patents
High temp resistant electrostatic powdered paint and prodn. technique Download PDFInfo
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- CN1834177A CN1834177A CN 200510024400 CN200510024400A CN1834177A CN 1834177 A CN1834177 A CN 1834177A CN 200510024400 CN200510024400 CN 200510024400 CN 200510024400 A CN200510024400 A CN 200510024400A CN 1834177 A CN1834177 A CN 1834177A
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Abstract
This invention discloses a method for manufacturing a high temperature-resisting electrostatic powder coating, which is composed of organic silicon polyester resin 20-40 wt.%, epoxy resin 20-40 wt.%, specialty curing agent 1-5 wt.%, leveling agent 0.7-1.5 wt.%, titanium dioxide powders 0-25 wt.%, barium sulfate 0-25 wt.%, high temperature-resisting pigments (carbon black, chrome yellow, etc.) 0.1-2 wt.% and benzoin 0.2-0.8 wt.%. The powder coating is manufactured by: mixing the raw materials in a mixer, smelting in an extruder at 100-130 deg.C for 20-70 s, extruding, cooling the extruded sheets, pulverizing and grinding in a pulverizer to obtain high temperature-resisting electrostatic powder coating of 100-350 mesh. After curing of the coating, the coated surface can stand baking at 230-300 deg.C while still retains the previous appearance and physical and chemical properties. The coating can elongate the service life of the coated materials.
Description
Technical field
The present invention relates to art of powder coatings, more specifically to a kind of electrostatic powder dedicated coating and production technique thereof.
Background technology
Powder coating is that a kind of material surface that is used for rises anticorrosionly, antirust, has protecting materials surface and plays the decoration function solid coating.It does not contain the solid powder paint that organic solvent does not contain water yet, and it dissolves levelling with the Powdered surface that is sprayed at coated article through baking, solidifies the surface of back film forming attached to coated article.Use powder coating and their application have low in the pollution of the environment, production efficiency is high, safe in utilization, application techniques advantage such as grasp easily, therefore, be widely adopted in recent years.But at present behind the powder coating solidification that generally uses at 220 ℃ more than the temperature, its surface variable color can occur, comes off, efflorescence, loses the provide protection to object fully.
Summary of the invention
The technical problem to be solved in the present invention is at above-mentioned deficiency, develops a kind of high temp resistant electrostatic powdered paint and production technique thereof.
High temp resistant electrostatic powdered paint of the present invention comprises following component by weight percentage: organic silicon polyester resin 20-40%, Resins, epoxy 20-40%, extraordinary solidifying agent 1-5%, flow agent 0.7-1.5%, titanium dioxide 0-25%, barium sulfate 0-25%, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 0.1-2%, st-yrax 0.2-0.8%.
The production technique of high temp resistant electrostatic powdered paint of the present invention is: according to above-mentioned prescription, after the batching, put into mixing machine and mix; The compound that mixes is put into forcing machine dissolve mixing extruding, the melting temperature of forcing machine is controlled at 100-130 ℃, and mixing time was controlled at 20 seconds to 70 seconds; After the sheet material cooling of extruding, put into crusher for crushing, grind to form 100-350 purpose powder, become the high temp resistant electrostatic powdered paint finished product at last, the packing warehouse-in.
The high temp resistant electrostatic powdered paint of Zhi Zaoing according to the method described above, with electrostatic spraying behind material surface, can form a coating film through 180-190 ℃, its surface is applicable to 230-300 ℃ of baking, can keep the original appearance effect of object preferably, physical and chemical performance is stable, the variable color that can not occur within a certain period of time filming, come off, a series of bad phenomenon such as efflorescence.
Embodiment
Below in conjunction with embodiment the present invention is further described.
High temp resistant electrostatic powdered paint of the present invention constitutes by following component: organic silicon polyester resin 20-40%, Resins, epoxy 20-40%, extraordinary solidifying agent 1-5%, flow agent 0.7-1.5%, titanium dioxide 0-25%, barium sulfate 0-25%, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 0.1-2%, st-yrax 0.2-0.8%.Each component all by weight percentage.
Embodiment 1
Organic silicon polyester resin 35 grams, Resins, epoxy 25 grams, extraordinary solidifying agent 2 grams, flow agent 1.2 grams, titanium dioxide 13 grams, barium sulfate 22 grams, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 1.3 grams, st-yrax 0.5 gram.
The production technique of present embodiment high temp resistant electrostatic powdered paint is: according to above-mentioned prescription, after the batching, put into mixing machine and mix; The compound that mixes is put into forcing machine dissolve mixing extruding, the melting temperature of forcing machine is controlled at 110 ℃, and mixing time was controlled at 40 seconds; After the sheet material cooling of extruding, put into crusher for crushing, grind to form 250 purpose powder, become the high temp resistant electrostatic powdered paint finished product at last, the packing warehouse-in.
Embodiment 2
Organic silicon polyester resin 30 grams, Resins, epoxy 28 grams, extraordinary solidifying agent 3 grams, flow agent 1.5 grams, titanium dioxide 20 grams, barium sulfate 15 grams, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 1.8 grams, st-yrax 0.7 gram.
The production technique of present embodiment high temp resistant electrostatic powdered paint is: according to above-mentioned prescription, after the batching, put into mixing machine and mix; The compound that mixes is put into forcing machine dissolve mixing extruding, the melting temperature of forcing machine is controlled at 120 ℃, and mixing time was controlled at 50 seconds; After the sheet material cooling of extruding, put into crusher for crushing, grind to form 140 purpose powder, become the high temp resistant electrostatic powdered paint finished product at last, the packing warehouse-in.
Embodiment 3
Organic silicon polyester resin 25 grams, Resins, epoxy 30 grams, extraordinary solidifying agent 4 grams, flow agent 1 gram, titanium dioxide 20 grams, barium sulfate 18 grams, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 1.5 grams, st-yrax 0.5 gram.
The production technique of present embodiment high temp resistant electrostatic powdered paint is: according to above-mentioned prescription, after the batching, put into mixing machine and mix; The compound that mixes is put into forcing machine dissolve mixing extruding, the melting temperature of forcing machine is controlled at 125 ℃, and mixing time was controlled at 40 seconds; After the sheet material cooling of extruding, put into crusher for crushing, grind to form 180 purpose powder, become the high temp resistant electrostatic powdered paint finished product at last, the packing warehouse-in.
Claims (3)
1, a kind of high temp resistant electrostatic powdered paint comprises following component by weight percentage: organic silicon polyester resin 20-40%, Resins, epoxy 20-40%, extraordinary solidifying agent 1-5%, flow agent 0.7-1.5%, titanium dioxide 0-25%, barium sulfate 0-25%, high-temperature resisting pigment (high temperature resistant carbon black, high temperature resistant chrome yellow etc.) 0.1-2%, st-yrax 0.2-0.8%.
2, high temp resistant electrostatic powdered paint according to claim 1 is characterized in that described filler comprises barium sulfate, kaolin, zinc sulfide white, light calcium carbonate, talcum powder, selects wherein one or more for use.
3, the production technique of high temp resistant electrostatic powdered paint according to claim 1 is: according to above-mentioned prescription, after the batching, put into mixing machine and mix; The compound that mixes is put into forcing machine dissolve mixing extruding, the melting temperature of forcing machine is controlled at 100-130 ℃, and mixing time was controlled at 20 seconds to 70 seconds; After the sheet material cooling of extruding, put into crusher for crushing, grind to form 100-350 purpose powder, become finished product at last, the packing warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510024400 CN1834177A (en) | 2005-03-16 | 2005-03-16 | High temp resistant electrostatic powdered paint and prodn. technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510024400 CN1834177A (en) | 2005-03-16 | 2005-03-16 | High temp resistant electrostatic powdered paint and prodn. technique |
Publications (1)
| Publication Number | Publication Date |
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| CN1834177A true CN1834177A (en) | 2006-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200510024400 Pending CN1834177A (en) | 2005-03-16 | 2005-03-16 | High temp resistant electrostatic powdered paint and prodn. technique |
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| CN (1) | CN1834177A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445699B (en) * | 2008-12-17 | 2011-05-25 | 杜邦华佳化工有限公司 | High temperature resistant powder coating |
| CN102690584A (en) * | 2012-06-12 | 2012-09-26 | 天长市巨龙车船涂料有限公司 | Epoxy resin powder paint and application thereof |
| CN104231877A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Paint with high-temperature-resistant function |
| CN104231876A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Powder paint with high weather resistance |
| CN104403522A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Coating composition for weather-resistant steel plate |
| CN104403520A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Coating composition for heat-resisting steel plate as well as preparation method of coating composition |
| CN104449366A (en) * | 2014-12-08 | 2015-03-25 | 成都锦汇科技有限公司 | Preparation method of coating for heat-resistant steel plate |
| CN104449367A (en) * | 2014-12-08 | 2015-03-25 | 成都锦汇科技有限公司 | Coating composition used for steel plates with weatherability and preparation method thereof |
| CN104479510A (en) * | 2014-12-08 | 2015-04-01 | 成都锦汇科技有限公司 | Paint composition for high-temperature-resistant steel plates |
| CN104497805A (en) * | 2014-12-08 | 2015-04-08 | 成都锦汇科技有限公司 | Heat-resistant steel plate and preparation process thereof |
| CN104530928A (en) * | 2015-01-21 | 2015-04-22 | 海安县国力化工有限公司 | Powder coating formula |
| CN105936800A (en) * | 2016-06-08 | 2016-09-14 | 合肥市燕美粉末涂料有限公司 | Powder paint for freezer shell and preparation method thereof |
| CN108373753A (en) * | 2016-11-16 | 2018-08-07 | 镇江市润州金山金属粉末厂 | A kind of metallic plate powdery paints |
| CN110938355A (en) * | 2019-11-12 | 2020-03-31 | 芜湖职业技术学院 | Colorful pattern powder coating and preparation method thereof |
-
2005
- 2005-03-16 CN CN 200510024400 patent/CN1834177A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445699B (en) * | 2008-12-17 | 2011-05-25 | 杜邦华佳化工有限公司 | High temperature resistant powder coating |
| CN102690584A (en) * | 2012-06-12 | 2012-09-26 | 天长市巨龙车船涂料有限公司 | Epoxy resin powder paint and application thereof |
| CN104231877A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Paint with high-temperature-resistant function |
| CN104231876A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Powder paint with high weather resistance |
| CN104403522A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Coating composition for weather-resistant steel plate |
| CN104403520A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Coating composition for heat-resisting steel plate as well as preparation method of coating composition |
| CN104449366A (en) * | 2014-12-08 | 2015-03-25 | 成都锦汇科技有限公司 | Preparation method of coating for heat-resistant steel plate |
| CN104449367A (en) * | 2014-12-08 | 2015-03-25 | 成都锦汇科技有限公司 | Coating composition used for steel plates with weatherability and preparation method thereof |
| CN104479510A (en) * | 2014-12-08 | 2015-04-01 | 成都锦汇科技有限公司 | Paint composition for high-temperature-resistant steel plates |
| CN104497805A (en) * | 2014-12-08 | 2015-04-08 | 成都锦汇科技有限公司 | Heat-resistant steel plate and preparation process thereof |
| CN104530928A (en) * | 2015-01-21 | 2015-04-22 | 海安县国力化工有限公司 | Powder coating formula |
| CN105936800A (en) * | 2016-06-08 | 2016-09-14 | 合肥市燕美粉末涂料有限公司 | Powder paint for freezer shell and preparation method thereof |
| CN108373753A (en) * | 2016-11-16 | 2018-08-07 | 镇江市润州金山金属粉末厂 | A kind of metallic plate powdery paints |
| CN110938355A (en) * | 2019-11-12 | 2020-03-31 | 芜湖职业技术学院 | Colorful pattern powder coating and preparation method thereof |
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