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Interpenetrating polymer network anticorrosion paint and production method thereof

A technology of anti-corrosion coatings and interpenetrating networks, which is applied in anti-corrosion coatings, polyester coatings, epoxy resin coatings, etc.

Inactive Publication Date: 2013-04-10
衡阳市化工研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing anti-corrosion coatings cannot take into account these properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: An interpenetrating network anticorrosive coating made of the following raw materials, the parts are parts by weight, among which: alkyd resin is 20-50, phenolic resin is 5-20, epoxy The resin is 10-40, the amino resin is 10-30, the phthalic anhydride is 5-15, and the catalyst is 0.3-1.

[0020] The alkyd resin is formed by alcoholysis of soybean oil, linseed oil or castor oil with glycerol or pentaerythritol and reacted with phthalic anhydride. Among them, soybean oil or linseed oil or castor oil is 10-30, and glycerol or pentaerythritol is 4-10.

[0021] The phenolic resin is phenol formaldehyde resin, p-tert-butylphenol formaldehyde resin or cardanol formaldehyde resin.

[0022] The epoxy resin is bisphenol A epoxy resin, specifically epoxy E-44 or epoxy E-20 or epoxy E-12.

[0023] The amino resin is a butyl etherified or isobutyl etherified amino resin with a high degree of etherification.

[0024] The catalyst is lithium hydroxide or lead oxide or calcium napht...

Embodiment 2

[0028] Example 2: An interpenetrating network anticorrosive coating, which is made of the following raw materials, the parts are parts by weight, wherein: alkyd resin is 20-50, phenolic resin is 5-20, epoxy The resin is 10-40, the diisocyanate is 5-20, the phthalic anhydride is 5-15, and the catalyst is 0.3-1.

[0029] The alkyd resin is formed by alcoholysis of soybean oil, linseed oil or castor oil with glycerol or pentaerythritol and reacted with phthalic anhydride. Among them, soybean oil or linseed oil or castor oil is 10-30, and glycerol or pentaerythritol is 4-10.

[0030] The phenolic resin is phenol formaldehyde resin or p-tert-butylphenol formaldehyde resin or cardanol formaldehyde resin.

[0031] The epoxy resin is bisphenol A epoxy resin, specifically epoxy E-44 or epoxy E-20 or epoxy E-12.

[0032] The diisocyanate is toluene diisocyanate, diphenylmethane diisocyanate or hexamethylene diisocyanate.

[0033] The catalyst is lithium hydroxide or lead oxide or calcium naphth...

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PUM

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Abstract

The invention relates to an interpenetrating polymer network anti-corrosive paint and a manufacturing method thereof. The paint is made of the raw materials based on the parts by weight: 20-50 parts of alkyd resin, 5-20 parts of phenolic resin, 10-40 parts of epoxide resin, 5-30 parts of cross-linking agent, 5-15 parts of phthalic anhydride, and 0.3-1 part of catalyst. In the manufacturing method, the alkyd resin, the phenolic resin and the epoxide resin are taken as interpenetrating polymer network resin, and the benzoic anhydride, the vulcabond and the amine resin are taken as cross linker. First, the alkyd resin is penetrated with the phenolic resin for a first cross bonding by using the cross linker; then, the obtained resin is penetrated with the epoxide resin for a second cross bonding by using the cross linker; at last, the synthetic resin with excellent combination property can be synthesized, and the anti-corrosive paint having high performance can be prepared.

Description

Technical field [0001] The invention relates to the field of polymer materials, in particular to an anticorrosive coating manufactured by a multiple cross-linking method using interpenetrating network technology and a manufacturing method. Background technique [0002] Interpenetrating Polymer Network (IPN) is a new type of polymer alloy with special properties formed by the close and permanent interpenetration of two or more polymer networks. Its characteristic is that one material randomly penetrates into another material, playing the role of "forced compatibility" and "synergistic effect". The polymer component still retains its original structure, and is combined with other materials. Fusion together, so that the material does not lose the inherent characteristics of the original polymer, but also can obtain unique properties that other polymer blends cannot obtain. It is a rapidly developing modified material with excellent comprehensive properties. Therefore, the interpene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/08C09D161/10C09D161/06C09D163/02C09D5/08C08G81/00
Inventor 刘熙雄宋海平
Owner 衡阳市化工研究所有限公司
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