CN1548481A - Thermosetting powder paint and its prepn - Google Patents
Thermosetting powder paint and its prepn Download PDFInfo
- Publication number
- CN1548481A CN1548481A CNA031365833A CN03136583A CN1548481A CN 1548481 A CN1548481 A CN 1548481A CN A031365833 A CNA031365833 A CN A031365833A CN 03136583 A CN03136583 A CN 03136583A CN 1548481 A CN1548481 A CN 1548481A
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- nano material
- inorganic nano
- pigment
- powder coating
- thermosetting powder
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- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The thermosetting powder paint of the present invention has inorganic nano material coated to the surface of pigment powder and stuffing powder. During the preparation of the thermosetting powder paint, the pigment powder, the stuffing powder and nano inorganic material are ball milled in a ball mill together to coat the nano inorganic material onto the surface of the pigment powder and the stuffing powder. The thermosetting powder paint of the present invention has high flexibility, high adhesion and high antiageing performance.
Description
What technical field the present invention relates to is a kind of thermosetting powder coating(s) and preparation method thereof, especially the preparation method of vibrin thermosetting powder coating(s).
The background technology powder coating is not adopt organic solvent fully, and is a kind of coating of effective solid part absolutely, and it is atmosphere pollution not, economizes on resources and the trucking costs of storing in a warehouse, and reduces fire, is a kind of environment-friendly type coating.Powder coating is divided into thermoplastic powder coating and thermosetting powder coating(s) two classes, and at present the thermosetting powder coating(s) product category is more, but ubiquity coating film adhesive is low, snappiness is poor, anti-flexural property is poor, shortcoming such as not ageing-resistant.
Summary of the invention is at the deficiency on the above-mentioned thermosetting powder coating(s) performance, technical problem to be solved by this invention is to propose a kind of technical scheme that improves thermosetting powder coating(s) adhesive force of coatings, snappiness, anti-flexural property and ageing-resistant performance, also promptly the purpose of this invention is to provide a kind of high performance thermosetting powder coating(s), and a kind of manufacture method that can obtain this thermosetting powder coating(s) is provided.
Thermosetting powder coating(s) provided by the invention, pigment, the coated organic/inorganic nano material of filler powder surface therein.Said inorganic nano material comprises nano silicon oxide, nano-titanium oxide, nano zine oxide, nano-sized iron oxide, nano-calcium carbonate etc.
Thermosetting powder coating(s) provided by the invention, coated on the surface of coated inorganic nano material at pigment, filler powder surface itself have an organosilane ester material.
The preparation method of thermosetting powder coating(s) provided by the invention, pigment in the thermosetting powder coating(s), filler powder are first before use to pass through high-energy ball milling with pigment, filler powder with inorganic nano material in ball mill, and makes inorganic nano material coated at pigment, filler powder surface.Generally be with pigment, filler powder with inorganic nano material with normal temperature in ball mill high-energy ball milling 1-6 hour.Wherein the inorganic nano material that is adopted be yardstick between the 0.1-100 nanometer have high reactivity, specific surface area greater than 40 meters squared per gram or uv absorption rate greater than 70% inorganic nanometer powder material, as nano silicon oxide, nano-titanium oxide, nano zine oxide, nano-sized iron oxide, nano-calcium carbonate etc.In use can select wherein one or more inorganic nano materials for use, the amount of use is the 1-30% that adds color stuffing gross weight in the ball mill.
The preparation method of thermosetting powder coating(s) provided by the invention, with inorganic nano material before pigment, filler powder carry out ball milling, earlier inorganic nano material is immersed in the organic ester coupling agent solution, make inorganic nano material and organic ester coupling agent produce chemical reaction by intensification subsequently and remove solvent, make the coated organosilane ester material of going up in inorganic nano material surface.Said organic ester coupling agent comprises longer chain fatty acid, silane coupling agent, titanate coupling agent etc., as: stearic acid, lauric acid, myristic acid, KH550, KH560, KH570, butyl (tetra) titanate, metatitanic acid isopentyl ester etc.The part by weight of inorganic nano material and organic ester coupling agent solution is 1 when being immersed in inorganic nano material in the organic ester coupling agent solution: 1-5, soak time is 5-40 minute.On inorganic nano material surface coated on the effect of organosilane ester material be to improve the bonding action between inorganic nano material and pigment, the filler powder and the bonding action of the resin-based materials in raising inorganic nano material and the thermoset powder coating.Thereby make inorganic nano material coated more equably, further improve the bonding force of resin-based materials in pigment, filler and the thermoset powder coating and improve the appearance effect of coating on the surface of pigment, filler powder.
Thermosetting powder coating(s) provided by the invention and preparation method thereof, utilize the small-size effect and the high-specific surface area of inorganic nano material, stronger bonding force in the thermoset powder coating that produces behind local high loading stress that produces of powdered material and the use inorganic nano material in the dispersion paints between the various powders, in order to improve the multiple performance of coating, improve about 40%, resist the raising of subduing property more than 100% as toughness, sticking power (cohesive strength) improves more than 50%, and ageing-resistant performance improves 60%.
Embodiment embodiment one, be nano silicon oxide about 10 nanometers with the particle scale of market sale, with it after concentration is to soak 20 minutes in 15% the KH570 aqueous solution and according to 1: 3 part by weight, its temperature is elevated to more than 90 ℃ removes aqueous solvent, obtain the coated nano silicon oxide of KH570, again this silicon oxide is mixed the back with titanium dioxide according to the part by weight that respectively accounts for 5% and 95% and in ball mill, carry out high-energy ball milling, obtain by the coated again powder body material on titanium dioxide of the coated nano silicon oxide of KH570.With this powder body material usage of powder body material routinely, produce with nano material toughened thermosetting powder coating(s) by the manufacturing process of thermoset powder coating.This common process is to take 100 parts in powder body material 50-60 part, vibrin, solidifying agent 18-25 part, flow agent 1-1.5 part, st-yrax 0.8-1.2 branch, other auxiliary agents 0.2-0.6 part that the present embodiment method is obtained, through mixing, extrude, quick cooling is pulverized the back and is obtained product.
Embodiment two, after being nano-sized iron oxide and nano-calcium carbonate material mixing about 20 nanometers with the particle scale of market sale, after the KH560 aqueous solution of this blended nano inorganic material and 10% soaked 30 minutes according to 1: 2 part by weight, temperature is elevated to more than 90 ℃ removes aqueous solvent, obtain coated nano-sized iron oxide and the nano-calcium carbonate calcium compounds of KH560, again it is mixed the back with titanium dioxide according to the part by weight that respectively accounts for 10% and 90% and in ball mill, carry out high-energy ball milling, acquisition is by KH560 coated nano-sized iron oxide and the coated again powder body material on titanium dioxide of nano-calcium carbonate calcium compounds, with this powder body material usage of powder body material routinely.The manufacturing process manufacturing of pressing the thermoset powder coating is with nano material toughened thermosetting powder coating(s).This common process is to take 500 parts of 400 parts of powder body materials, Resins, epoxy, stiffening agent 20-25 part, softening agent 60-80 part, 5 parts of organic inhibitors, other auxiliary agents 2-6 part that the present embodiment method is obtained, through mixing, extrude, quick cooling is made product after the pulverizing.
Claims (6)
1, a kind of thermosetting powder coating(s) has pigment, filler powder in the component, it is characterized in that at pigment, the coated organic/inorganic nano material of filler powder surface.
2, thermosetting powder coating(s) as claimed in claim 1 is characterized in that coated on the surface of coated inorganic nano material at pigment, filler powder surface itself the organosilane ester material being arranged.
3, a kind of preparation method of thermosetting powder coating(s) is characterized in that pigment, the filler powder in the thermosetting powder coating(s) passes through high-energy ball milling with pigment, filler powder with inorganic nano material earlier before use in ball mill.
4, the preparation method of thermosetting powder coating(s) as claimed in claim 3 is characterized in that pigment, filler powder are done high-energy ball milling 1-6 hour with inorganic nano material with normal temperature in ball mill.
5, the preparation method of thermosetting powder coating(s) as claimed in claim 3, it is characterized in that with inorganic nano material before pigment, filler powder carry out high-energy ball milling, earlier inorganic nano material is immersed in the organic ester coupling agent solution, makes inorganic nano material and organic ester coupling agent produce chemical reaction and remove solvent by intensification subsequently.
6, the preparation method of thermosetting powder coating(s) as claimed in claim 5, the part by weight of inorganic nano material and organic ester coupling agent solution is 1 when it is characterized in that being immersed in inorganic nano material in the organic ester coupling agent solution: 1-5, soak time is 5-40 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031365833A CN100340614C (en) | 2003-05-20 | 2003-05-20 | Thermosetting powder paint and its prepn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031365833A CN100340614C (en) | 2003-05-20 | 2003-05-20 | Thermosetting powder paint and its prepn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548481A true CN1548481A (en) | 2004-11-24 |
| CN100340614C CN100340614C (en) | 2007-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031365833A Expired - Fee Related CN100340614C (en) | 2003-05-20 | 2003-05-20 | Thermosetting powder paint and its prepn |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532607A (en) * | 2011-12-30 | 2012-07-04 | 苏州工业园区润佳工程塑料有限公司 | Reinforced inorganic filling material, composite material of reinforced inorganic filling material and preparation method |
| CN102558919A (en) * | 2011-12-30 | 2012-07-11 | 苏州工业园区润佳工程塑料有限公司 | Coated titanium white material and preparation method |
| CN108587281A (en) * | 2018-03-30 | 2018-09-28 | 盐城科迈特新材料有限公司 | A kind of powdery paints heat-proof aging modifying agent and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1011717C2 (en) * | 1999-04-01 | 2000-10-03 | Holland Colours Nv | Pigment-containing powder paint composition. |
| DE10027270A1 (en) * | 2000-06-02 | 2001-12-13 | Basf Coatings Ag | Coating powders and powder slurries containing leafing pigments, used for production of basecoats or combination-effect coats in multi-coat paint systems, e.g. for painting cars, |
| DE10034972A1 (en) * | 2000-07-19 | 2002-01-31 | Merck Patent Gmbh | Process for the preparation of a powder coating, a powder coating and the use of effect pigments |
| CN1211286C (en) * | 2001-08-03 | 2005-07-20 | 上海华明高技术（集团）有限公司 | Industrial process for preparing nm-class active calcium carbonate |
-
2003
- 2003-05-20 CN CNB031365833A patent/CN100340614C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532607A (en) * | 2011-12-30 | 2012-07-04 | 苏州工业园区润佳工程塑料有限公司 | Reinforced inorganic filling material, composite material of reinforced inorganic filling material and preparation method |
| CN102558919A (en) * | 2011-12-30 | 2012-07-11 | 苏州工业园区润佳工程塑料有限公司 | Coated titanium white material and preparation method |
| CN108587281A (en) * | 2018-03-30 | 2018-09-28 | 盐城科迈特新材料有限公司 | A kind of powdery paints heat-proof aging modifying agent and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100340614C (en) | 2007-10-03 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060616 Address after: No. 150 Xinqiao Road, Dinghai District, Zhejiang, Zhoushan Applicant after: Gelante Special Paint Co., Ltd., Zhoushan City Address before: No. 150 Xinqiao Road, Dinghai District, Zhejiang, Zhoushan Applicant before: Zhoushan Gelan Special Coating Material Co. Ltd. |
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Granted publication date: 20071003 Termination date: 20150520 |
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