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Delayed-combustion-retarding high-temperature-resisting workshop primer and preparation method thereof

A shop primer and high-temperature-resistant technology, which is applied in the coating and other directions, can solve the problems of low temperature resistance, wide burnt surface of the coating, and large amount of repair and recoating, etc., to prevent oxidation, small burnt area, and burnout face positive effect

Active Publication Date: 2012-07-11
GUANGZHOU GEMBOND CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a shop primer with resistance to burning and high temperature resistance. Wide, repair defects with a large amount of recoating

Method used

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  • Delayed-combustion-retarding high-temperature-resisting workshop primer and preparation method thereof
  • Delayed-combustion-retarding high-temperature-resisting workshop primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A fire-retardant and high-temperature resistant shop primer, consisting of A component and B component:

[0041] The raw material composition and mass fraction of the A component are: 15 parts of polyethyl silicate Si-40; 3 parts of 95wt% industrial ethanol; 2 parts of isopropanol; 2 parts of 5% phosphoric acid-butanol solution;

[0042] The raw material composition and mass fraction of the B component are: 10 parts of 95wt% industrial ethanol; 10 parts of n-butanol; 3 parts of polyvinyl butyral; 5 parts of alcohol-soluble silicone resin; 1 part of epoxy resin; 25 parts of high-temperature film-forming materials; 5 parts of coating additives (including 1 part of coating dispersant, 1 part of coating anti-settling agent, 1 part of coating defoamer and leveling agent, and 1 part of organic bentonite); 4 parts of 1000-1500 Purpose ultrafine ferrophosphorus powder; 23 parts of 1000-1500 mesh ultrafine zinc powder;

[0043] The weight ratio of the A component and the B comp...

Embodiment 2

[0065] A fire-retardant and high-temperature resistant shop primer, consisting of A component and B component:

[0066] The raw material composition and mass fraction of the A component are: 10 parts of polyethyl silicate Si-40; 5 parts of 95wt% industrial ethanol; 5 parts of isopropanol; 1 part of 5% phosphoric acid-butanol solution;

[0067] The raw material composition and mass fraction of the B component are: 15 parts of 95wt% industrial ethanol; 6 parts of n-butanol; 5 parts of polyvinyl butyral; 3 parts of alcohol-soluble silicone resin; 3 parts of epoxy resin; 20 parts of high-temperature film-forming materials; 2 parts of coating additives (including 0.4 parts of coating dispersant, 0.4 parts of coating anti-settling agent, 0.4 parts of each of coating defoamer and leveling agent, and 0.4 parts of organic bentonite); 8 parts of 1000-1500 Purpose ultrafine phosphorus iron powder; 20 parts of 1000-1500 mesh ultrafine zinc powder;

[0068] The weight ratio of the A compo...

Embodiment 3

[0085] A fire-retardant and high-temperature resistant shop primer, consisting of A component and B component:

[0086] The raw material composition and mass parts of the A component are: 13 parts of polyethyl silicate Si-40; 2 parts of 95wt% industrial ethanol; 4 parts of isopropanol; 1 part of 5% phosphoric acid-butanol solution;

[0087] The raw material composition and mass fraction of the B component are: 13 parts of 95wt% industrial ethanol; 8 parts of n-butanol; 2 parts of polyvinyl butyral; 4 parts of alcohol-soluble silicone resin; 2 parts of epoxy resin; 23 parts of high-temperature film-forming materials; 4 parts of coating additives (including 0.8 parts of coating dispersant, 0.8 parts of coating anti-settling agent, 0.8 parts of each of coating defoamer and leveling agent, and 0.8 parts of organic bentonite); 6 parts of 1000-1500 Purpose ultrafine ferrophosphorus powder; 25 parts of 1000-1500 mesh ultrafine zinc powder;

[0088] The weight ratio of the A componen...

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Abstract

The invention discloses a delayed-combustion-retarding high-temperature-resisting workshop primer. The key technology is that high-temperature film-forming materials are used. Two high-temperature film-forming materials are compounded in the formula, the melting points of the high-temperature film-forming materials are respectively in a range of 480-490 DEG C and a range of 680-700 DEG C, accordingly a primary film material can be followed to form a secondary continuous film and a ternary continuous film before the high-temperature heat weightlessness is not yet invalid completely, and coatings are ensured to be not crack. Simultaneously, the heat resistance of the coatings reaches to more than 800 DEG C, the area of the burning loss is very small, and smoke is hardly produced in the cutting or welding operation process.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a fire-resistant, extended-temperature-resistant shop primer and a preparation method thereof. Background technique [0002] Since the early 1950s, shop primers have been used as pretreatment primers for large steel structures such as super cruise ships and offshore oil rigs. In order to adapt to the assembly line operation, the shop primer needs to meet the requirements of fast drying, excellent rust resistance, good weldability and mechanical properties. [0003] At present, the widely used shop primer is based on polyvinyl butyral and ethyl silicate hydrolyzate, and the pre-coating primer is compounded with zinc powder. month), the burn-out area during hot working is large, and the resistance to negative cathodic protection points is poor, so it is not suitable for the underwater part of the hull equipped with cathodic protection systems. Therefore, its application is lim...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D7/12C09D5/00
Inventor 张中秋张涛张弛胡安华姚迪
Owner GUANGZHOU GEMBOND CHEM
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