Steel pipe anti-corrosion composite coating and preparation method thereof
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A composite paint and steel pipe technology, applied in the field of chemical materials, can solve the problems of insufficient corrosion resistance of the paint coating, cumbersome paint coating process, and environmental pollution, and achieve excellent adhesion, low shrinkage, strong adhesion, The effect of method science
Inactive Publication Date: 2018-04-06
靖江市新东机械零部件制造有限公司
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[0004] The present invention aims at the disadvantages of complex construction of existing paint coatings during anti-corrosion, cumbersome preparation process of paint coatings, high cost, environmental pollution during preparation, and insufficient corrosion resistance of paint coatings, etc., and proposes a steel pipe anti-corrosion composite coating and its The preparation method can solve the above-mentioned deficiencies in the prior art, can enhance the high temperature resistance and wear resistance of the steel pipe, and can greatly improve the safety of the steel pipe
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[0018] The present invention will be further described below in conjunction with embodiment:
[0019] A steel pipe anti-corrosion composite coating, comprising the following components in weight percentage: 5-12% of pigment, 3-8% of filler, 8-12% of dispersant, 6-12% of film-forming aid, and 5-8% of defoamer , polyphenylene ether resin powder 2-6%, styrene-butadiene rubber 5-8%, toluene 3-6%, plasticizer 1-3%, coupling agent 1-3%, auxiliary materials 2-4%, flame retardant 1~3%, white carbon black 2~4%, and the rest is silicone modified epoxy resin. The pigment is one of titanium dioxide, iron oxide red, carbon black, barium sulfate or chromium oxide green. Filler glass flakes. The plasticizer is tricresyl phosphate. The dispersant is sodium tripolyphosphate. The film-forming aid is ethylene glycol ether. The defoamer is an amide. The coupling agent is a silane coupling agent.
[0020] A preparation method for steel pipe anticorrosion composite coating, comprising the fo...
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Abstract
The invention discloses a steel pipe anti-corrosion coating and a preparation method thereof, and belongs to the technical field of chemical materials. The steel pipe anti-corrosion coating is prepared from, by weight, 5-12% of pigment, 3-8% of filler, 8-12% of dispersing agent, 6-12% of coalescing agent, 5-8% of defoaming agent, 2-6% of polyphenyl ether resin powder, 5-8% of butadiene styrene rubber, 3-6% of methylbenzene, 1-3% of plasticizer, 1-3% of coupling agent, 2-4% of auxiliaries, 1-3% of fire retardant, 2-4% of white carbon black, and the balance organosilicone modified epoxide resin.The preparation principle is clear, the method is scientific, the organosilicone modified epoxide resin has the advantages of being high in adhesive property, good in chemical reagent resistance andthe like, modified epoxy can enhance the water and ion permeation resistance of the coating, and the binding force between a metallic matrix and the coating is improved, so that the coating protectivecapability is improved, the high temperature resistance and the wear resistance of a steel pipe are enhanced, and the using safety of the steel pipe is greatly improved.
Description
technical field [0001] The invention belongs to the technical field of chemical materials, and relates to an anti-corrosion composite coating and a preparation method thereof, in particular to an anti-corrosion coating for steel pipes and a preparation method thereof. Background technique [0002] Corrosion is the degradation and destruction of metal materials under natural conditions or working conditions due to chemical or electrochemical interactions with the surrounding medium. This phenomenon is called corrosion. Corrosion problems pervade various sectors and industries, and have caused great harm to national economic development, human life and social environment. According to statistics, the annual loss caused by corrosion in the world is as high as 1 trillion U.S. dollars, and the annual economic loss caused by corrosion damage in various countries accounts for about 2% to 4% of the national economic output value of the year. rather different. According to the "Chi...
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