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Seawate-corrosive-resisting modified epoxy ceramic coating and its production

An epoxy ceramic and manufacturing method technology, applied in epoxy resin coatings, anti-corrosion coatings, coatings and other directions, can solve the problems of coating settlement and hard bottom, weak binding force, construction period limitation, etc. Excellent storage stability, good adhesion effect

Active Publication Date: 2007-11-21
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
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AI Technical Summary

Problems solved by technology

[0002] The existing epoxy ceramic coatings are solidified at room temperature, and cannot be constructed in cold seasons, and the construction period is limited; due to the high density of the ceramic filler itself, it is easy to cause settlement and hardening in the coating, which affects normal use; The bonding force in the resin coating is weak, it is easy to produce chloride ion penetration, and the seawater corrosion is serious

Method used

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Experimental program
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Embodiment Construction

[0016] The manufacture method of the modified epoxy ceramic coating resistant to seawater corrosion, in 1 weight part of E52 epoxy resin, add 0.1 weight part of Novolac (Novolac) epoxy resin, then add 0.5 weight part of Propanol, methyl isobutyl ketone, isophorone, methyl ethyl ketone mixed solvent, disperse for 10 minutes at a stirring speed of 900-1000 rpm, add 0.09 parts by weight of fumed silica powder at this speed, and put the disperser into Increase the speed to 1900-2000 rpm and stir for 10 minutes, then reduce the speed of the disperser to 900-1000 rpm and add 0.012 parts by weight of ammonium acrylate polymer solution, acrylic acid-hydroxypropyl acrylate-methylpropanesulfonic acid Copolymer solution, polyethylene glycol fatty acid ester compounded additives in a weight ratio of 3:4:3, stirred at high speed for 0.5h, and added 1.2 parts by weight of 325 Mixed ceramic powder of silicon powder and mullite powder in an equal weight ratio, 0.4 parts by weight of alumina p...

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PUM

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Abstract

A modified epoxy resin ceramic coating against seawater and its production are disclosed. The ceramic coating consists of E52 epoxy resin, Neufokale epoxy resin, mixed solvent, composite accessory, A liquid with activated silicon powder with different grain size, mullite power and alpha-crystal-type alumina mixed ceramic powder and B liquid, which is prepared by reacting alicyclic ammonia with anacardol methanal to obtain phenol aldehyde ammonia curing agent with reactive hydrogen account 76-78. A liquid is mixed with B liquid. It's stable, has excellent adhesion, abrasive and heat resistances. It can resist 100 degree saturated sodium chloride, bitter halogen or artificial seawater erosion. It can be used for marine I-shaped steel architecture, seawater container and internal-external anti-corrosive coating of seawater transfer pipeline.

Description

technical field [0001] The invention relates to a seawater corrosion-resistant modified epoxy ceramic coating and a manufacturing method thereof, which are used for anticorrosion coatings of marine engineering structures, seawater containers and seawater transportation pipelines. Background technique [0002] The existing epoxy ceramic coatings are solidified at room temperature, and cannot be constructed in cold seasons, and the construction period is limited; due to the high density of the ceramic filler itself, it is easy to cause settlement and hardening in the coating, which affects normal use; The binding force in the resin coating is weak, it is easy to produce chloride ion penetration, and the seawater corrosion is serious. Contents of the invention [0003] The technical problem to be solved by the present invention is to avoid the disadvantages of the above-mentioned prior art and provide a low-temperature curable, good storage stability, and its coating has exce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08
Inventor 王雪莹李爱贵徐忠苹韩文礼林竹张其滨
Owner BC P INC CHINA NAT PETROLEUM CORP
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