CN102250528A - Semiconducting sand-textured thermosetting powder paint and preparation method thereof - Google Patents
Semiconducting sand-textured thermosetting powder paint and preparation method thereof Download PDFInfo
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- CN102250528A CN102250528A CN2011101397236A CN201110139723A CN102250528A CN 102250528 A CN102250528 A CN 102250528A CN 2011101397236 A CN2011101397236 A CN 2011101397236A CN 201110139723 A CN201110139723 A CN 201110139723A CN 102250528 A CN102250528 A CN 102250528A
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- sand
- thermosetting powder
- epoxy
- powder paint
- sand streak
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Abstract
The invention relates to the technical field of a powder paint, and particularly relates to a semiconducting sand-textured thermosetting powder paint and a preparation method thereof. The formula of the powder paint comprises the following components in percentage by weight: 42-60% of bisphenol A epoxy resin, 8-15% of epoxy curing agent, 10-20% of electroconductive titanium dioxide, 12-29% of mixture of electroconductive barium sulfate and precipitate barium sulfate, 0.997-2.999% of pigment and 0.001-0.003% of sand texture agent. The semiconducting sand-textured thermosetting powder paint and the preparation method thereof are applied to surface coating of a metal workpiece; after the coating, the resistance is 10<6>-10<8>, and the semiconducting sand-textured thermosetting powder paint has excellent mechanical performance, good electrical conduction performance and beautification and insulation effects; and the semiconducting sand-textured thermosetting powder paint and the preparation method thereof are easy to popularize and apply.
Description
Technical field
The present invention relates to a kind of technical field of powder coating, especially a kind of semi-conductor sand streak thermosetting powder coating(s) and preparation method thereof.
Background technology
After thermosetting powder coating(s) is sprayed on the metallic surface film forming, greatly reduce the electroconductibility of matrix, be difficult to satisfy the requirement of some special industries, range of application is narrow, bad mechanical property.
Summary of the invention
In order to overcome the deficiency of the narrow and bad mechanical property of original powder coating range of application, the invention provides a kind of semi-conductor sand streak thermosetting powder coating(s) and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of semi-conductor sand streak thermosetting powder coating(s), the prescription of this powder coating is as follows by weight percentage: bisphenol-A epoxy 42% ~ 60%, epoxy hardener 8% ~ 15%, conductive titanium dioxide 10% ~ 20%, conduction barium sulfate and process white mixture 12% ~ 29%, pigment 0.997% ~ 2.999% and sand streak agent 0.001% ~ 0.003%.
According to another embodiment of the invention, comprise that further the concrete proportioning of prescription of this powder coating is as follows by weight percentage: bisphenol-A epoxy 50%, epoxy hardener 10%, conductive titanium dioxide 16%, conduction barium sulfate and process white mixture 22%, pigment 1.998% and sand streak agent 0.002%.
A kind of preparation method of semi-conductor sand streak thermosetting powder coating(s), this method may further comprise the steps:
A) after being mixed, pulverizes the epoxy hardener of 50% bisphenol-A epoxy and 10%;
B) in the material that steps A mixes, add conductive titanium dioxide 16%, conduction barium sulfate and process white mixture 22%, pigment 1.998% and sand streak agent 0.002%, behind abundant mixing, melt extrude;
C) after the cooling of the material extrudate piece of step B, process fragmentation-pulverize-sieve promptly makes finished product.
The invention has the beneficial effects as follows: this semi-conductor sand streak thermosetting powder coating(s) and preparation method thereof is applied to the surface coatings of metal works, film the back resistance value between 8 powers of 10 6 powers to 10, have excellent mechanical property and excellent conducting performance, play attractive in appearance and the insulating effect, be easy to apply.
Embodiment
The prescription of this semi-conductor sand streak thermosetting powder coating(s) is as follows by weight percentage:
Bisphenol-A epoxy 42% ~ 60%;
Epoxy hardener 8% ~ 15%;
Conductive titanium dioxide 10% ~ 20%;
Conduction barium sulfate and process white mixture 12% ~ 29%;
Pigment 0.997% ~ 2.999%;
Sand streak agent 0.001% ~ 0.003%.
The concrete proportioning of prescription of this semi-conductor sand streak thermosetting powder coating(s) is as follows by weight percentage:
Bisphenol-A epoxy 50%;
Epoxy hardener 10%;
Conductive titanium dioxide 16%;
Conduction barium sulfate and process white mixture 22%;
Pigment 1.998%;
Sand streak agent 0.002%.
The present invention adds epoxy hardener; Condition of cure: 200 ℃/20min.
This semi-conductor sand streak thermosetting powder coating(s) is sprayed at the metal works surface, is that 200 ℃, time are baking-curing under the condition of 20min in temperature.
A kind of preparation method of semi-conductor sand streak thermosetting powder coating(s), this method may further comprise the steps:
A) after being mixed, pulverizes the epoxy hardener of 42% ~ 60% bisphenol-A epoxy and 8% ~ 15%;
B) in the material that steps A mixes, add conductive titanium dioxide 10% ~ 20%, conduction barium sulfate and process white mixture 12% ~ 29%, pigment 0.997% ~ 2.999% and sand streak agent 0.001% ~ 0.003%, behind abundant mixing, melt extrude;
C) after the cooling of the material extrudate piece of step B, process fragmentation-pulverize-sieve promptly makes finished product.Further specify component of the present invention and content below by embodiment:
Embodiment 1
Prepare raw material, in 100 weight parts, bisphenol-A epoxy: 50; Epoxy hardener: 10; Conductive titanium dioxide: 16; Conduction barium sulfate and process white mixture: 22; Sand streak agent: 0.002; Pigment: 1.998, earlier bisphenol-A epoxy 50 and epoxy hardener 10 are mixed shaking up the back and pulverize, add conductive titanium dioxide then: 16; Conduction barium sulfate and process white mixture: 22; Sand streak agent: 0.002 and pigment: 1.998, melt extrude after the high-speed mixing, then compressing tablet cooling, after sieving, fragmentation promptly makes the sand streak powder, electrostatic spraying is in the metal works surface, and filming must be evenly, and coating thickness must be controlled between the 40um-50um, the blocked up resistance value that will make increases if film, and crosses thin then electroconductibility and strengthens.
Embodiment 2
Prepare raw material, in 100 weight parts, bisphenol-A epoxy: 42; Epoxy hardener: 8; Conductive titanium dioxide: 20; Conduction barium sulfate and process white mixture: 29; Sand streak agent: 0.003; Pigment: 0.997, earlier bisphenol-A epoxy 42 and epoxy hardener 8 are mixed shaking up the back and pulverize, add conductive titanium dioxide then: 20; Conduction barium sulfate and process white mixture: 29; Sand streak agent: 0.003 and pigment: 0.997, melt extrude after the high-speed mixing, then compressing tablet cooling, after sieving, fragmentation promptly makes the sand streak powder, electrostatic spraying is in the metal works surface, and filming must be evenly, and coating thickness must be controlled between the 40um-50um, the blocked up resistance value that will make increases if film, and crosses thin then electroconductibility and strengthens.
Embodiment 3
Prepare raw material, in 100 weight parts, bisphenol-A epoxy: 60; Epoxy hardener: 15; Conductive titanium dioxide: 10; Conduction barium sulfate and process white mixture: 12; Sand streak agent: 0.001; Pigment: 2.999, earlier bisphenol-A epoxy 60 and epoxy hardener 15 are mixed shaking up the back and pulverize, add conductive titanium dioxide then: 10; Conduction barium sulfate and process white mixture: 12; Sand streak agent: 0.001 and pigment: 2.999, melt extrude after the high-speed mixing, then compressing tablet cooling, after sieving, fragmentation promptly makes the sand streak powder, electrostatic spraying is in the metal works surface, and filming must be evenly, and coating thickness must be controlled between the 40um-50um, the blocked up resistance value that will make increases if film, and crosses thin then electroconductibility and strengthens.
This semi-conductor sand streak thermosetting powder coating(s) and preparation method thereof is applied to the surface coatings of metal works, film the back resistance value between 8 powers of 10 6 powers to 10, have excellent mechanical property and excellent conducting performance, play attractive in appearance and the insulating effect, be easy to apply.
Claims (3)
1. semi-conductor sand streak thermosetting powder coating(s), it is characterized in that: the prescription of this powder coating is as follows by weight percentage: bisphenol-A epoxy 42% ~ 60%, epoxy hardener 8% ~ 15%, conductive titanium dioxide 10% ~ 20%, conduction barium sulfate and process white mixture 12% ~ 29%, pigment 0.997% ~ 2.999% and sand streak agent 0.001% ~ 0.003%.
2. semi-conductor sand streak thermosetting powder coating(s) according to claim 1 is characterized in that: the concrete proportioning of the prescription of this powder coating is as follows by weight percentage: bisphenol-A epoxy 50%, epoxy hardener 10%, conductive titanium dioxide 16%, conduction barium sulfate and process white mixture 22%, pigment 1.998% and sand streak agent 0.002%.
3. the preparation method of a semi-conductor sand streak thermosetting powder coating(s), it is characterized in that: this method may further comprise the steps:
A) after being mixed, pulverizes the epoxy hardener of 42% ~ 60% bisphenol-A epoxy and 8% ~ 15%;
B) in the material that steps A mixes, add conductive titanium dioxide 10% ~ 20%, conduction barium sulfate and process white mixture 12% ~ 29%, pigment 0.997% ~ 2.999% and sand streak agent 0.001% ~ 0.003%, behind abundant mixing, melt extrude;
C) after the cooling of the material extrudate piece of step B, process fragmentation-pulverize-sieve promptly makes finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101397236A CN102250528A (en) | 2011-05-27 | 2011-05-27 | Semiconducting sand-textured thermosetting powder paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101397236A CN102250528A (en) | 2011-05-27 | 2011-05-27 | Semiconducting sand-textured thermosetting powder paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102250528A true CN102250528A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101397236A Pending CN102250528A (en) | 2011-05-27 | 2011-05-27 | Semiconducting sand-textured thermosetting powder paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592644A (en) * | 2020-11-25 | 2021-04-02 | 珑彩环保材料(苏州)有限公司 | Light-color sand surface antistatic powder coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635548A (en) * | 1992-11-06 | 1997-06-03 | Courtaulds Coatings (Holdings) Limited | Powder coating compositions and their use |
| CN1740249A (en) * | 2004-08-23 | 2006-03-01 | 徐州正菱涂装有限公司 | Sand grain metal powder paint |
| CN101508866A (en) * | 2009-03-25 | 2009-08-19 | 杜邦华佳化工有限公司 | Conductive powder paint |
| CN101914341A (en) * | 2010-09-02 | 2010-12-15 | 太仓市高分子材料研发中心有限公司 | Light-colored conductive heavy-duty coating and preparation method thereof |
-
2011
- 2011-05-27 CN CN2011101397236A patent/CN102250528A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635548A (en) * | 1992-11-06 | 1997-06-03 | Courtaulds Coatings (Holdings) Limited | Powder coating compositions and their use |
| CN1740249A (en) * | 2004-08-23 | 2006-03-01 | 徐州正菱涂装有限公司 | Sand grain metal powder paint |
| CN101508866A (en) * | 2009-03-25 | 2009-08-19 | 杜邦华佳化工有限公司 | Conductive powder paint |
| CN101914341A (en) * | 2010-09-02 | 2010-12-15 | 太仓市高分子材料研发中心有限公司 | Light-colored conductive heavy-duty coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592644A (en) * | 2020-11-25 | 2021-04-02 | 珑彩环保材料(苏州)有限公司 | Light-color sand surface antistatic powder coating and preparation method thereof |
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Application publication date: 20111123 |