CN103849298B - A kind of aluminium section bar fluororesin modified polyester powder coating and preparation method thereof - Google Patents
A kind of aluminium section bar fluororesin modified polyester powder coating and preparation method thereof Download PDFInfo
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- CN103849298B CN103849298B CN201410060678.9A CN201410060678A CN103849298B CN 103849298 B CN103849298 B CN 103849298B CN 201410060678 A CN201410060678 A CN 201410060678A CN 103849298 B CN103849298 B CN 103849298B
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Abstract
The invention discloses a kind of fluororesin modified polyester powder coating of aluminium section bar, multiple auxiliary materials and the pigment such as including end carboxyl saturated polyester resin, TGIC, FEVE fluororesin, isophorone diisocyanate trimer, levelling agent, brightener, Benzoinum, blanc fixe.The preparation method of this powdery paints, for first by the raw material premixing of described powdery paints, carries out melt extruding, after tabletting and pulverizing, and final sizing obtains finished product.The present invention can not only be greatly improved the weatherability of powdery paints, moreover it is possible to improves the thermostability of film and winter resistance, and not decorative effect affecting powdery paints and preparation method thereof, and its price domestic user can accept again.
Description
Technical field
The present invention relates to a kind of powdery paints, particularly to a kind of fluororesin modified polyester powder coating of aluminium section bar；The preparation method that the present invention relates to a kind of powdery paints, particularly to a kind of aluminium section bar preparation method with fluororesin modified polyester powder coating.
Background technology
The existing weather-resistance powder coatings of China, still takes as the leading factor with polyester/TGIC, but its weatherability can not show a candle to fluorocarbon powder paint.Although fluorocarbon powder paint has the weatherability of excellence, but China is still immature for the fluorocarbon resin technology of powdery paints, and from the fluorocarbon resin of external import, its price is extremely expensive.Therefore, it is badly in need of researching and developing the weather-resistance powder coatings of a kind of low cost, to meet the demand of domestic user.
Summary of the invention
Present invention aim to overcome that the weatherability of existing aluminium section bar and aluminum products polyester/TGIC powdery paints is not enough, polyester/TGIC powdery paints that a kind of use is fluororesin modified is provided, adopt the co-mixing system in polymer-based multinomial system, the weatherability of powdery paints can not only be greatly improved, thermostability and the winter resistance of film can also be improved, and not decorative effect affecting powdery paints and preparation method thereof, its price domestic user can accept again.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that: a kind of fluororesin modified polyester powder coating of aluminium section bar, including following components:
Preferably, the present invention is a kind of fluororesin modified polyester powder coating of aluminium section bar, including following components:
In order to realize the present invention better, described FEVE fluororesin is the copolymer of CTFE and vinyl ethers alkylol；Described levelling agent is the homopolymer of propylene；Described brightener is the copolymer of acrylate；Described antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester；Described UV absorbent is salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines or hindered amines.
The above-mentioned aluminium section bar preparation method of fluororesin modified polyester powder coating, comprises the steps:
The first step, by the raw material of above-mentioned formula by the percentage by weight premixing of its correspondence；
Second step, melt extrudes the raw material after premixing；
3rd step, by the materials result of extrusion, carries out broken and fine pulverizing after cooling；
3rd step, carries out sizing screening by the powder after fine pulverizing；
Specifically, described second step melt extrudes, and is that with double screw extruder the raw material after premixing to carry out melting mixing dispersed, and wherein the temperature in extruder I district is 110-130 DEG C, and extruder II district temperature is 100-120 DEG C；
Specifically, the fine pulverizing of described 3rd step, is with ACM mill, the material after broken carries out fine powder to be broken to powder diameter be 10～100 microns；
Specifically, the sizing screening of described 4th step, it is sieve with the rotation of 180 eye mesh screens powdery paints is sized to particle diameter 20-80 micron, is powder coating product.
Compared with prior art, the aluminium section bar of the present invention design principle of fluororesin modified polyester powder coating and major advantage:
1, the fluororesin modified polyester powder coating of the present invention is according to polymeric rheology theory: the eutectic system of polymer-based multinomial system, also referred to as high polymer alloy；
What 2, it was blended is intended primarily for improving the thermostability of existing weatherability polyester powder coating, winter resistance, especially weatherability；The weatherability making existing coating promotes 1～2 times；
3, alternative or part substitutes the fluorocarbon powder paint that import is expensive, and product price of the present invention is cheap, it is possible to meet customer need, and is accepted by user；
4, the present invention is applicable to existing equipment production, workable.
Accompanying drawing explanation
Fig. 1 is the aluminium section bar flow chart by the preparation method of fluororesin modified polyester powder coating of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment one
It is prepared according to the following steps the fluororesin modified polyester powder coating of aluminium section bar:
The first step, by following raw material by described percentage by weight premixing,
Second step, by the raw material after premixing, carries out melting mixing extrusion with double screw extruder, and wherein, the temperature in extruder I district is 130 DEG C, and extruder II district temperature is 120 DEG C；
3rd step, by the materials result of extrusion, cooling, broken after, with ACM mill, the material after broken carrying out fine powder, to be broken to powder diameter be 10～100 microns；
4th step, sieves fine powder pulverized powder coating with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20～80 microns, make powder coating product.
Wherein, FEVE fluororesin adopts the France A Kema Kynar500PCFEVE resin produced, and carboxyl polyester adopts the P4900 that DSM N. V. of Holland produces；The R2195 of titanium dioxide buying Yushan Hill host benefactor department production.
Wherein, described Chu Ji I district is extruder melting mixing section, and described extruder II district is extruder feeding section.
Prepared powder coating product is tested by relevant criterion, meets the requirement of National Standard of the People's Republic of China " aluminum alloy building section Part IV: powder spray section bar " (GB5237.4-2008).
Embodiment two
It is prepared according to the following steps the fluororesin modified polyester powder coating of aluminium section bar:
The first step, by following raw material by described percentage by weight premixing,
Second step, by the raw material after premixing, carries out melting mixing extrusion with double screw extruder, and wherein, the temperature in extruder I district is 125 DEG C, and extruder II district temperature is 115 DEG C；
3rd step, by the materials result of extrusion, cooling, broken after, with ACM mill, the material after broken carrying out fine powder, to be broken to powder diameter be 10～100 microns；
4th step, sieves fine powder pulverized powder coating with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20～80 microns, make powder coating product.
Wherein, FEVE fluororesin adopts the France A Kema Kynar500PCFEVE resin produced, and carboxyl polyester adopts the P4900 that DSM N. V. of Holland produces；The R2195 of titanium dioxide buying Yushan Hill host benefactor department production.
Wherein, described Chu Ji I district is extruder melting mixing section, and described extruder II district is extruder feeding section.
Prepared powder coating product is tested by relevant criterion, meets the requirement of National Standard of the People's Republic of China " aluminum alloy building section Part IV: powder spray section bar " (GB5237.4-2008).
Embodiment three
It is prepared according to the following steps the fluororesin modified polyester powder coating of aluminium section bar:
The first step, by following raw material by described percentage by weight premixing,
Second step, by the raw material after premixing, carries out melting mixing extrusion with double screw extruder, and wherein, the temperature in extruder I district is 120 DEG C, and extruder II district temperature is 110 DEG C；
3rd step, by the materials result of extrusion, cooling, broken after, with ACM mill, the material after broken carrying out fine powder, to be broken to powder diameter be 10～100 microns；
4th step, sieves fine powder pulverized powder coating with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20～80 microns, make powder coating product.
Wherein, FEVE fluororesin adopts the Kynar500PCFEVE resin that France A Kema (ArKeMe) produces, and carboxyl polyester adopts the P4900 that DSM N. V. of Holland produces；The R2195 of titanium dioxide buying Yushan Hill host benefactor department production.
Wherein, described Chu Ji I district is extruder melting mixing section, and described extruder II district is extruder feeding section.
Prepared powder coating product is tested by relevant criterion, meets the requirement of National Standard of the People's Republic of China " aluminum alloy building section Part IV: powder spray section bar " (GB5037.4-2008).
Embodiment four
It is prepared according to the following steps the fluororesin modified polyester powder coating of aluminium section bar:
The first step, by following raw material by described percentage by weight premixing,
Second step, by the raw material after premixing, carries out melting mixing extrusion with double screw extruder, and wherein, the temperature in extruder I district is 115C, and extruder II district temperature is 105 DEG C；
3rd step, by the materials result of extrusion, cooling, broken after, with ACM mill, the material after broken carrying out fine powder, to be broken to powder diameter be 10～100 microns；
4th step, sieves fine powder pulverized powder coating with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20～80 microns, make powder coating product.
Wherein, FEVE fluororesin adopts the Kynar500PCFEVE resin that France A Kema (ArKeMe) produces, and carboxyl polyester adopts the P4900 that DSM N. V. of Holland produces；The R2195 of titanium dioxide buying Yushan Hill host benefactor department production.
Wherein, described Chu Ji I district is extruder melting mixing section, and described extruder II district is extruder feeding section.
Prepared powder coating product is tested by relevant criterion, meets the requirement of National Standard of the People's Republic of China " aluminum alloy building section Part IV: powder spray section bar " (GB5034.7-2008).
Embodiment five
It is prepared according to the following steps the fluororesin modified polyester powder coating of aluminium section bar:
The first step, by following raw material by described percentage by weight premixing,
Second step, by the raw material after premixing, carries out melting mixing extrusion with double screw extruder, and wherein, the temperature in extruder I district is 110 DEG C, and extruder II district temperature is 100 DEG C；
3rd step, by the materials result of extrusion, cooling, broken after, with ACM mill, the material after broken carrying out fine powder, to be broken to powder diameter be 10～100 microns；
4th step, sieves fine powder pulverized powder coating with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20～80 microns, make powder coating product.
Wherein, FEVE fluororesin adopts the Kynar500PCFEVE resin that France A Kema (ArKeMe) produces, and carboxyl polyester adopts the P4900 that DSM N. V. of Holland produces；The R2195 of titanium dioxide buying Yushan Hill host benefactor department production.
Wherein, described Chu Ji I district is extruder melting mixing section, and described extruder II district is extruder feeding section.
Prepared powder coating product is tested by relevant criterion, meets the requirement of National Standard of the People's Republic of China " aluminum alloy building section Part IV: powder spray section bar " (GB5034.7-2008).
The technique effect of the resistance to accelerated ageing of the present invention is compared by following experiment and draws.
The powdery paints present invention prepared does accelerated aging test with polyester/TGIC powdery paints contrast, tests by the experimental condition of ENISO11341 standard:
Luminous intensity: 550 ± 20 watts/square metre (wavelength 290-800nm)；
Black mark temperature: 65 ± 5 DEG C；
Deionized water: the highest 10 μ s of electrical conductivity；
Special ultraviolet filter (290nm)；
After the irradiation of 1000 hours, result of the test is as shown in table 1.
Table 1
As seen from the above comparison, the coating of the present invention and polyester/TGIC powdery paints have obvious difference in resistance to accelerated ageing, and namely the aluminium section bar of the present invention is good by the resistance to accelerated ageing performance of fluororesin modified polyester powder coating.
The invention is not limited in above-mentioned embodiment, if to the various changes of the present invention or modification without departing from the spirit and scope of the present invention, if these change within claim and the equivalent technologies scope belonging to the present invention with modification, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. the fluororesin modified polyester powder coating of aluminium section bar, it is characterised in that include following components:
2. the fluororesin modified polyester powder coating of aluminium section bar as claimed in claim 1, it is characterised in that: include following components:
3. the fluororesin modified polyester powder coating of aluminium section bar as claimed in claim 1 or 2, it is characterised in that: described FEVE fluororesin is the copolymer of CTFE and vinyl ethers alkylol.
4. the fluororesin modified polyester powder coating of aluminium section bar as claimed in claim 1 or 2, it is characterised in that: described levelling agent is the homopolymer of polyacrylate.
5. the fluororesin modified polyester powder coating of aluminium section bar as claimed in claim 1 or 2, it is characterised in that: described brightener is the copolymer of acrylate.
6. an aluminium section bar as claimed in claim 1 or 2 preparation method for fluororesin modified polyester powder coating,
It is characterized in that, comprise the following steps:
The first step, by the raw material of described formula by the percentage by weight premixing of its correspondence；
Second step, melt extrudes the raw material after premixing；
3rd step, by the materials result of extrusion, carries out broken and fine pulverizing after cooling；
4th step, sieves the standard screen used for powder coating after in small, broken bits.
7. the aluminium section bar preparation method of fluororesin modified polyester powder coating as claimed in claim 6, it is characterized in that: described second step melt extrudes and is specially, with double screw extruder, the raw material after premixing is carried out melting mixing dispersed, wherein the temperature in extruder I district is 110-130 DEG C, and extruder II district temperature is 100-120 DEG C.
8. the aluminium section bar preparation method of fluororesin modified polyester powder coating as claimed in claim 6, it is characterised in that: the described 3rd fine pulverizing of step is specifically, grind broken powder to powder diameter 10-100 micron with ACM.
9. the aluminium section bar preparation method of fluororesin modified polyester powder coating as claimed in claim 6, it is characterised in that: the standard screen screening of described 4th step is specifically, sieve with the rotation of 180 eye mesh screens and powdery paints is sized to particle diameter 20-80 micron.
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Families Citing this family (12)
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| CN106700757A (en) * | 2015-08-03 | 2017-05-24 | 中山市凯德美塑料粉末有限公司 | Fluorocarbon powder coating used for aluminum sections, and preparation method thereof |
| CN105273581B (en) * | 2015-11-06 | 2017-12-22 | 广州擎天材料科技有限公司 | A kind of high IR rapid curing coil powdery paints and preparation method thereof |
| CN106519928B (en) * | 2016-11-29 | 2018-11-06 | 安徽神剑新材料股份有限公司 | One kind can repair powdery paints, preparation method and applications |
| CN106987881A (en) * | 2017-03-10 | 2017-07-28 | 福建省闽发铝业股份有限公司 | A kind of weatherproof color shape bars in aluminium alloy and preparation method thereof |
| CN107254239B (en) * | 2017-06-07 | 2019-05-14 | 扬州彩虹粉末涂料有限公司 | A kind of composite modified fluorine carbon polyester powdery paints and preparation method thereof |
| CN109971317A (en) * | 2017-12-27 | 2019-07-05 | Ａｇｃ株式会社 | The manufacturing method of powder coating |
| CN108641505B (en) * | 2018-05-09 | 2020-05-15 | 郑州新阳新材料科技有限公司 | Water-based anti-migration and high-weather-resistance fluorocarbon coating and preparation process thereof |
| CN108795253A (en) * | 2018-07-02 | 2018-11-13 | 湖北俊美琪木纹材料有限公司 | A kind of compound wood grain powdery paints of weatherability and preparation method thereof |
| CN109082209A (en) * | 2018-07-02 | 2018-12-25 | 湖州加成金属涂料有限公司 | A kind of thermosetting property PFPE- fluorine carbon polyester powdery paints and its production technology |
| CN110373109A (en) * | 2019-07-19 | 2019-10-25 | 厦门国丽静电粉末有限公司 | A kind of high durable type powdery paints and its production technology |
| CN115612381A (en) * | 2022-10-31 | 2023-01-17 | 大冶市西诚高分子材料有限公司 | High-weather-resistance aluminum profile powder coating and preparation method thereof |
| CN115746313B (en) * | 2022-11-10 | 2024-02-06 | 擎天材料科技有限公司 | Polyester resin, powder coating and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571821A (en) * | 2001-10-23 | 2005-01-26 | 旭硝子株式会社 | Fluororesin powder coating composition |
| CN102453427A (en) * | 2010-10-29 | 2012-05-16 | 比亚迪股份有限公司 | Thermal insulating coating, and preparation method and application method thereof |
| CN102516854A (en) * | 2011-12-13 | 2012-06-27 | 广东华江粉末科技有限公司 | Antibiotic powdery paint for aluminium profile and preparation method thereof |
-
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- 2014-02-21 CN CN201410060678.9A patent/CN103849298B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571821A (en) * | 2001-10-23 | 2005-01-26 | 旭硝子株式会社 | Fluororesin powder coating composition |
| CN102453427A (en) * | 2010-10-29 | 2012-05-16 | 比亚迪股份有限公司 | Thermal insulating coating, and preparation method and application method thereof |
| CN102516854A (en) * | 2011-12-13 | 2012-06-27 | 广东华江粉末科技有限公司 | Antibiotic powdery paint for aluminium profile and preparation method thereof |
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