CN101508867B - Outdoor thermosetting powder paint and method for producing the same - Google Patents
Outdoor thermosetting powder paint and method for producing the same Download PDFInfo
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- CN101508867B CN101508867B CN2009100476657A CN200910047665A CN101508867B CN 101508867 B CN101508867 B CN 101508867B CN 2009100476657 A CN2009100476657 A CN 2009100476657A CN 200910047665 A CN200910047665 A CN 200910047665A CN 101508867 B CN101508867 B CN 101508867B
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- defoamer
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Abstract
The invention discloses an outdoor thermosetting powder coating, essentially comprising the flowing raw materials based on the parts by weight: 70 parts of carboxyl saturated polyester, 5 parts of triglycidyl isocyanurate, 1 part of flow agent, 1 part of benzoin, 1 part of defoamer, 1 part of flatting agent, 0.7-1 parts of ultraviolet absorbent, 0.5 parts of antioxidant, 1.5 parts of plasticizer and 15-20 parts of kaolin. The coating is obtained by stirring during mixing with high speed, extruding during heating, crushing during tabletting and sieving during grinding the raw materials. Compared with the prior art, the invention has the advantages of no foam on metal casting surface when coating, strong adhesive attraction, high mechanical property, good weather resistance property, efficient sunshine reflectivity, good ultraviolet resistance property, long aging time, long service life, no pollution, simple preparation technology and low cost.
Description
Technical field
The present invention relates to technical field of coatings, specifically a kind of outdoor thermosetting powder paint and preparation method thereof.
Background technology
Existing powder coating is filmed in cast aluminium, cast iron part, it can produce a large amount of bubbles at workpiece surface, influence the outward appearance of film coated surface, be difficult to generally speaking overcome, easily yellowing especially at high temperature, weathering resistance, mechanical property are relatively poor, especially for outdoor application, digestion time and work-ing life are all shorter with respect to traditional paint, and the production cost height, are difficult to adapt to the needs of market development.
Summary of the invention
The objective of the invention is provides a kind of outdoor thermosetting powder paint and preparation method thereof at the deficiencies in the prior art, this powder coating strong adhesion, can not produce bubble at the metal founding surface coatings, the coating flow leveling is good, the mechanical property height, sunlight had reflectivity and good anti-ultraviolet property efficiently, are better than existing coating greatly in digestion time and work-ing life, and environmental protection, pollution-free, cheap, preparation technology is simple.
The concrete technical scheme that realizes the object of the invention is:
A kind of outdoor thermosetting powder paint, characteristics are to be main component with following raw material, adopt high-speed mixing stir, add hot-extrudable, compressing tablet is broken, grind and sieve and obtain, its main component is in weight part: 70 parts of carboxyl saturated polyesters, 5 parts of triglycidyl isocyanurates, 1 part of flow agent, 1 part of bitter almond oil camphor st-yrax, 1 part of defoamer, 1 part of matting agent, 0.7～1 part of UV light absorber, 0.5 part in oxidation inhibitor, 1.5 parts in softening agent, 15～20 parts of kaolin.
Described flow agent is the Voncoat R 3310 that is dispersed in the aerosil.
Described defoamer is the mixture of acid amides compound wax and carbonate.
Described matting agent is the butyral polymkeric substance.
Described UV light absorber is a benzophenone.
Described oxidation inhibitor is pentaerythritol ester.
Described softening agent is the hydroxyl polyethylene.
The present invention includes following operation:
(1), stirs
The raw material that carboxyl saturated polyester, triglycidyl isocyanurate, flow agent, bitter almond oil camphor st-yrax, defoamer, matting agent, UV light absorber, oxidation inhibitor, softening agent prepare was in proportion put into high-speed mixing agitator thorough mixing 5～10 minutes.
(2), extrude
The above-mentioned raw material that mixes is extruded with twin screw extruder, and extrusion temperature I district is 110 ℃, and the II district is 115 ℃, extrudes after the cooling of pair roller compressing tablet uses cylinder in flakes broken again.
(3), grind
The tablet that fragmentation is good is placed on pulverizing mill and grinds, and the powder diameter of grinding gets thermosetting powder coating(s) then at 35～40 μ m after 180 eye mesh screens sieve.
The present invention compared with prior art has to film and can not produce bubble on the metal founding surface, strong adhesion, mechanical property height, good weatherability, sunlight had reflectivity and good anti-ultraviolet property efficiently, the advantage of digestion time and long service life, and do not contain volatility carcinogenic substance and other hazardous compounds such as VOC, heavy metal content is far below coating GB specified standards, human body is had no adverse effects, environment friendly and pollution-free, cheap, preparation technology is simple.
Embodiment
Embodiment 1
(1), stirs
Get 70 parts of carboxyl saturated polyesters, 5 parts of triglycidyl isocyanurates are dispersed in 1 part of Voncoat R 3310 in the aerosil, 1 part of bitter almond oil camphor st-yrax, 1 part in the mixture of acid amides compound wax and carbonate, 1 part in butyral polymkeric substance, 0.8 part of benzophenone, 0.5 part of pentaerythritol ester, 1.5 parts of hydroxyl polyethylene, kaolin is put into mixing agitator for 15 parts, through high-speed stirring after 6 minutes, the raw material that mixes goes to extrude operation
(2), extrude
The above-mentioned raw material that mixes is extruded with twin screw extruder, and extrusion temperature I district is 110 ℃,
The II district is 115 ℃, extrudes after the cooling of pair roller compressing tablet uses cylinder in flakes broken again.
(3), grind
The tablet that fragmentation is good is placed on pulverizing mill and grinds, and gets product of the present invention then after 180 eye mesh screens sieve, and powder diameter is about 39 μ m.
Embodiment 2
(1), stirs
Get 70 parts of carboxyl saturated polyesters, 5 parts of triglycidyl isocyanurates are dispersed in 1 part of Voncoat R 3310 in the aerosil, 1 part of bitter almond oil camphor st-yrax, 1 part in the mixture of acid amides compound wax and carbonate, 1 part in butyral polymkeric substance, 0.95 part of benzophenone, 0.5 part of pentaerythritol ester, 1.5 parts of hydroxyl polyethylene, kaolin is put into mixing agitator for 18 parts, through high-speed stirring after 8 minutes, the raw material that mixes goes to extrude operation
(2), extrude
The above-mentioned raw material that mixes is extruded with twin screw extruder, and extrusion temperature I district is 110 ℃, and the II district is 115 ℃, extrudes after the cooling of pair roller compressing tablet uses cylinder in flakes broken again.
(3), grind
The tablet that fragmentation is good is placed on pulverizing mill and grinds, and gets product of the present invention then after 180 eye mesh screens sieve, and powder diameter is about 36 μ m.
Claims (8)
1. an outdoor thermosetting powder paint is characterized in that with following raw material be main component, adopt high-speed mixing stir, add hot-extrudable, compressing tablet is broken, grind and sieve and obtain, its main component is in weight part: 70 parts of carboxyl saturated polyesters, 5 parts of triglycidyl isocyanurates, 1 part of flow agent, 1 part of bitter almond oil camphor st-yrax, 1 part of defoamer, 1 part of matting agent, 0.7～1 part of UV light absorber, 0.5 part in oxidation inhibitor, 1.5 parts in softening agent, 15～20 parts of kaolin.
2. according to the described thermosetting powder coating(s) of claim 1, it is characterized in that described flow agent is the Voncoat R 3310 that is dispersed in the aerosil.
3. according to the described thermosetting powder coating(s) of claim 1, it is characterized in that described defoamer is the mixture of acid amides compound wax and carbonate.
4. according to the described thermosetting powder coating(s) of claim 1, it is characterized in that described matting agent is the butyral polymkeric substance.
5. coating according to claim 1 is characterized in that described UV light absorber is a benzophenone.
6. coating according to claim 1 is characterized in that described oxidation inhibitor is pentaerythritol ester.
7. coating according to claim 1 is characterized in that described softening agent is the hydroxyl polyethylene.
8. the preparation method of the described coating of claim 1 is characterized in that it comprises following operation:
A, stirring
The raw material that carboxyl saturated polyester, triglycidyl isocyanurate, flow agent, bitter almond oil camphor st-yrax, defoamer, matting agent, UV light absorber, oxidation inhibitor, softening agent and kaolin prepare was in proportion put into high-speed mixing agitator thorough mixing 5～10 minutes;
B, extrude
The above-mentioned raw material that mixes is extruded with twin screw extruder, and extrusion temperature I district is 110 ℃, and the II district is 115 ℃, extrudes after the cooling of pair roller compressing tablet uses cylinder in flakes broken again;
C, grinding
The tablet that fragmentation is good is placed on pulverizing mill and grinds, and the powder diameter of grinding gets thermosetting powder coating(s) then at 35～40 μ m after 180 eye mesh screens sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100476657A CN101508867B (en) | 2009-03-17 | 2009-03-17 | Outdoor thermosetting powder paint and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100476657A CN101508867B (en) | 2009-03-17 | 2009-03-17 | Outdoor thermosetting powder paint and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101508867A CN101508867A (en) | 2009-08-19 |
| CN101508867B true CN101508867B (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100476657A Expired - Fee Related CN101508867B (en) | 2009-03-17 | 2009-03-17 | Outdoor thermosetting powder paint and method for producing the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN101508867B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108249A (en) * | 2011-03-23 | 2011-06-29 | 浙江超浪新材料有限公司 | Bend-resistance powder coating |
| CN102618161B (en) * | 2012-04-16 | 2015-06-17 | 广东华江粉末科技有限公司 | Deeply matt polyurethane powder coating for outdoor use and production process for deeply matt polyurethane powder coating |
| CN103571315B (en) * | 2013-10-24 | 2016-03-09 | 安徽柏拉图涂层织物有限公司 | A kind of high strength matt(e)coating |
| CN104017427B (en) * | 2014-06-24 | 2015-05-27 | 玉石塑粉有限公司 | Thermosetting powder coating additive and preparation process thereof |
| CN104017407B (en) * | 2014-06-24 | 2016-03-02 | 玉石塑粉有限公司 | A kind of thermosetting powder coating(s) including auxiliary agent |
| CN104231686B (en) * | 2014-08-22 | 2016-07-06 | 安徽博大纤维素科技有限公司 | A kind of powdery paints of long service life |
| CN108250929A (en) * | 2018-01-23 | 2018-07-06 | 苏州聚康新材料科技有限公司 | A kind of preparation method and applications of environment-friendly type thermosetting powder coating |
| CN111393957A (en) * | 2020-01-18 | 2020-07-10 | 江南载福粉末涂料（张家港）有限公司 | Powder coating for aluminum magnesium alloy plate |
-
2009
- 2009-03-17 CN CN2009100476657A patent/CN101508867B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101508867A (en) | 2009-08-19 |
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Granted publication date: 20110126 Termination date: 20140317 |