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Antirust emulsion of self-crosslinked interpenetrating net polymer and its production

A technology of interpenetrating network and anti-rust emulsion, which is applied in the direction of anti-corrosion coatings, etc., and can solve problems such as poor storage stability and chemical corrosion resistance

Inactive Publication Date: 2007-09-05
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of poor weather resistance, water resistance, salt spray resistance, chemical corrosion resistance and poor storage stability of the existing antirust emulsion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0004] Embodiment 1: In this embodiment, the self-crosslinking interpenetrating network polymer antirust emulsion is composed of 2 to 50 parts of epoxy resin, 20 to 80 parts of unsaturated ethylenic monomer mixture, 0.5 to 8 parts of unsaturated Saturated ethylenic carboxylic acid, 0.5-25 parts of functional organosilane, 0.5-20 parts of functional organic fluorine monomer, 0.1-1.2 parts of crosslinking agent, 0.5-1.5 parts of neutralizing agent, 1-8 parts of emulsifier, 0.05- 0.6 parts of chain transfer agent, 0.2-0.6 parts of pH regulator, 0.3-0.8 parts of initiator, 90-150 parts of demineralized water and 0.2-5 parts of cross-linking curing agent.

specific Embodiment approach 2

[0005] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the self-crosslinking interpenetrating network polymer antirust emulsion consists of 5 to 45 parts of epoxy resin, 25 to 60 parts of unsaturated ethylenic mono Body mixture, 1-6 parts of unsaturated ethylenic carboxylic acid, 5-15 parts of functional organosilane, 2-15 parts of functional organic fluorine monomer, 0.5-1 part of crosslinking agent, 1-1.2 parts of neutralizing agent, 2 ~6 parts of emulsifier, 0.06~0.5 parts of chain transfer agent, 0.3~0.55 parts of pH regulator, 0.4~0.65 parts of initiator, 95~135 parts of demineralized water and 0.5~3 parts of crosslinking curing agent.

specific Embodiment approach 3

[0006] Specific embodiment three: The difference between this embodiment and specific embodiment one is that the self-crosslinking interpenetrating network polymer antirust emulsion is composed of 45 parts of epoxy resin, 50 parts of unsaturated ethylenic monomer mixture, 3 Parts of unsaturated ethylenic carboxylic acid, 5 parts of functional organosilane, 10 parts of functional organic fluorine monomer, 1 part of crosslinking agent, 1 part of neutralizing agent, 4 parts of emulsifier, 0.5 part of chain transfer agent, 0.5 part of pH adjustment agent, 0.4 parts of initiator, 90 parts of demineralized water and 3 parts of cross-linking curing agent.

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Abstract

A self-cross-linked interpenetrating network polymer antirust emulsion and its production are disclosed. The emulsion consists of epoxy resin 2-50 proportion, unsaturated hydrocarbon monomer mixture 20-80 proportion, olefine hydroxyl-acid 0.5-8 proportion, functional organic silane 0.5-25 proportion, functional organic fluoride monomer 0.5-20 proportion, cross-linking agent 0.1-1.2 proportion, neutralizing agent 0.5-1.5 proportion, emulsifying agent 1-8 proportion, chain transfer agent 0.05-0.6 proportion, pH regulator 0.2-0.6 proportion, initiating agent 0.3-0.8 proportion, softened water 90-150 proportion and cross-linking curing agent 0.2-5 proportion. The process is carried out by dosing in the first, second and third reactors, mixing in the third reactor and discharging to obtain final product. It has excellent weather and water resistances, better anti-corrosive performance and storage stability.

Description

technical field [0001] The invention relates to an antirust emulsion and a preparation method thereof. Background technique [0002] Antirust emulsions are widely used in antirust of various structural parts such as modern industry, transportation, energy and ocean engineering. The vast majority of anti-rust emulsions in China are solvent-based systems, which contain a large amount of volatile organic compounds, are toxic and flammable, and will cause harm to humans and the environment. In recent years, with the development of science and technology, the improvement of people's awareness of environmental protection and the increasingly stringent environmental regulations, the coatings industry is developing in the direction of economy, efficiency, ecology and energy. Therefore, the solvent-free and water-based resins for antirust emulsions have become an inevitable trend of development. At present, the research on water-based resins mainly focuses on dispersion-type water-b...

Claims

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Application Information

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IPC IPC(8): C08F283/10C08F2/38C08F2/22C09D5/08
Inventor 刘志刚陆明张巨生王文辉
Owner HARBIN INST OF TECH
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