Epoxy resins and polyester mixed powder paint at ultralow temperature

A technology of epoxy resin and mixed powder, which is applied in the field of powder coatings, can solve the problems of high cost of powder coatings and narrow application areas, and achieve the effects of low cost, high degree of automation and high efficiency

Inactive Publication Date: 2008-10-22
上海彩奇亮粉末涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a low-cost and widely used ultra-low temperature e

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The color is enamel white, which is RAL9010 standard white ultra-low temperature epoxy resin and polyester mixed powder coating. By weight, the contents of each component are:

[0033] Epoxy resin 36kg

[0034] Polyester 35kg

[0035] Titanium dioxide 20kg

[0036] Leveling agent (pv88) 1kg

[0037] Defoamer 1kg

[0038] Antistatic agent 1kg

[0039] Benzoin 1kg

[0040] Ultramarine 0.5kg

[0041] Carbon black 0.2kg

[0042] Brightening agent 1kg

[0043] Barium sulfate 3.3kg

[0044] The curing conditions are 115° C. for 35-40 minutes, or 120° C. for 30-35 minutes.

[0045] The leveling agent is one of polyacrylate type leveling agent, silicone type leveling agent and polyester type leveling agent. Polyacrylate type leveling agents include acrylate homopolymers and copolymers and modified polydimethylsiloxane, etc.; polyester type leveling agents are made by reacting polyethylene oxide with isocyanate and then fat-modified of.

[0046] The defoamer is one o...

Embodiment 2

[0058] In the present embodiment, by weight, the content of each component is respectively:

[0059] Epoxy resin 37kg

[0060] Polyester 32kg

[0061] Titanium dioxide 20kg

[0062] Leveling agent (pv88) 1kg

[0063] Defoamer 1kg

[0064] Antistatic agent 1kg

[0065] Benzoin 1kg

[0066] Ultramarine 0.5kg

[0067] Carbon black 0.5kg

[0068] Brightening agent 1kg

[0069] Talc powder 5kg

[0070] Others are the same as in Example 1.

Embodiment 3

[0072] In the present embodiment, by weight, the content of each component is respectively:

[0073] Epoxy resin 32kg

[0074] Polyester 37kg

[0075] Titanium dioxide 20kg

[0076] Leveling agent (pv88) 0.8kg

[0077] Defoamer 1kg

[0078] Antistatic agent 1.2kg

[0079] Benzoin 1kg

[0080] Ultramarine 1kg

[0081] Brightening agent 1kg

[0082] Calcium carbonate 5kg

[0083] Others are the same as in Example 1.

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PUM

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Abstract

The invention discloses an ultra low temperature epoxy resin and polyester mixed powder coating material. The compositions in percentage by weight of the coating material are: 32 to 38 percent of epoxy resin, 32 to 37 percent of polyester, 18 to 22 percent of titanium pigment, 0.8 to 1.2 percent of flatting agent, 0.3 to 0.5 percent of antifoaming agent, 1 to 1.2 percent of antistatic agent, 1 percent of benzoin, 0.7 to 2 percent of pigment, 0.8 to 1 percent of brightness agent and 2 to 5 percent of filler. Aiming to overcome the disadvantages of the prior powder coating material including high cost and narrow application range, the invention provides the ultra low temperature epoxy resin and polyester mixed powder coating material which has low cost and wide application. The coating material has the advantages of high utilization rate, non toxicity, no pollution, high yield and low cost, etc.

Description

technical field [0001] The invention relates to a powder coating, in particular to a powder coating mixed with epoxy resin and polyester. Background technique [0002] The development of coatings has experienced three historical development stages: the use of natural film-forming substance coatings, the formation of the coatings industry, and the production of synthetic resin coatings. [0003] The first development stage of coatings is the use of natural film-forming substance coatings. China is the first country in the world to use natural film-forming substance paint - lacquer. Urushi is often referred to as raw lacquer, which is a kind of lacquer that is cut from a lacquer tree and sealed with oil paper for storage. [0004] Lacquer belongs to natural lacquer, but many people will have skin allergies when they come into contact with lacquer, and some people even develop rashes when they smell the lacquer. Moreover, lacquer has high requirements for painting techniques...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D167/00C09D5/03C09D7/06C09D7/12C09D7/47
Inventor 夏志祥徐军营钟冬华
Owner 上海彩奇亮粉末涂料有限公司
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