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Epoxy resins and polyester mixed powder paint at ultralow temperature
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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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[0009] The technical problem to be solved by the present invention is to provide a low-cost and widely used ultra-low temperature epoxy resin and polyester mixed powder coating for the disadvantages of high cost and narrow application of existing powder coatings
Method used
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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:
[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 polyethyleneoxide with isocyanate and then fat-modified of.
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Abstract
The invention discloses an ultra low temperature epoxy resin and polyester mixed powdercoating 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 titaniumpigment, 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 powdercoating 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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