Ultra-thin section steel structure weather-resistant fireproof paint, and preparation method thereof

A technology for fire-resistant coatings and steel structures, applied in the field of coatings, can solve the problems of poor weather resistance and increased use costs, and achieve the effects of improving strength and surface finish, improving weather resistance, and improving thixotropy

Active Publication Date: 2018-11-06
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The weather resistance of existing coatings is poor, which increases the cost of use

Method used

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  • Ultra-thin section steel structure weather-resistant fireproof paint, and preparation method thereof
  • Ultra-thin section steel structure weather-resistant fireproof paint, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The ultra-thin weather-resistant fireproof coating for steel structures in this embodiment consists of the following parts by weight: 20 parts of modified acrylic resin, 10 parts of unsaturated polyester, 6 parts of alkyd resin, 10 parts of melamine phosphate, hydrated boric acid 5 parts of zinc, 5 parts of nano calcium carbonate, 7 parts of vermiculite, 25 parts of cyclohexanone, 4 parts of modified barium metaborate, 2.5 parts of bentonite, 2 parts of plasticizer, 1 part of leveling agent, 2 parts of ultraviolet absorber .

[0024] The modified acrylic resin is a silicone modified acrylic resin; the plasticizer is castor oil; the leveling agent is polydimethylsiloxane; the ultraviolet absorber is 2,4-dihydroxy di Benzophenone.

[0025] The preparation method of the above-mentioned ultra-thin steel structure weather-resistant fireproof coating comprises the following steps:

[0026] (1) Preparation of component A: completely mix the above-mentioned modified acrylic r...

Embodiment 2

[0030] The ultra-thin weather-resistant fireproof coating for steel structures in this embodiment consists of the following parts by weight: 25 parts of modified acrylic resin, 15 parts of unsaturated polyester, 10 parts of alkyd resin, 15 parts of melamine phosphate, hydrated boric acid 4 parts of zinc, 7 parts of nano calcium carbonate, 5 parts of vermiculite, 30 parts of cyclohexanone, 6 parts of modified barium metaborate, 2.5 parts of bentonite, 3 parts of plasticizer, 2 parts of leveling agent, 3 parts of ultraviolet absorber .

[0031] The modified acrylic resin is a silicone modified acrylic resin; the plasticizer is epoxy soybean oil; the leveling agent is a mixture of polydimethylsiloxane and polymethylphenylsiloxane ; The ultraviolet absorber is a mixture of phenyl o-hydroxybenzoate and resorcinol monobenzoate.

[0032] The preparation method of the above-mentioned ultra-thin steel structure weather-resistant fireproof coating comprises the following steps:

[003...

Embodiment 3

[0037] The ultra-thin weather-resistant fireproof coating for steel structures in this embodiment consists of the following parts by weight: 30 parts of modified acrylic resin, 18 parts of unsaturated polyester, 15 parts of alkyd resin, 20 parts of melamine phosphate, hydrated boric acid 7 parts of zinc, 10 parts of nano calcium carbonate, 3 parts of vermiculite, 35 parts of cyclohexanone, 3 parts of modified barium metaborate, 3 parts of bentonite, 1 part of plasticizer, 3 parts of leveling agent, 5 parts of ultraviolet absorber .

[0038]The modified acrylic resin is a silicone modified acrylic resin; the plasticizer is a mixture of castor oil and epoxy soybean oil; the leveling agent polymethylphenylsiloxane; the ultraviolet absorber It is a mixture of 2,4-dihydroxybenzophenone and phenyl o-hydroxybenzoate.

[0039] The preparation method of the above-mentioned thin steel structure weather-resistant fireproof coating comprises the following steps:

[0040] (1) Preparation...

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Abstract

The invention relates to an ultra-thin section steel structure weather-resistant fireproof paint, and a preparation method thereof. The ultra-thin section steel structure weather-resistant fireproof paint is composed of, by weight, 20 to 35 parts of modified acrylic resin, 10 to 18 parts of a nonsaturated polyester, 5 to 15 parts of alkyd resin, 10 to 20 parts of melamine phosphate, 4 to 10 partsof hydrated zinc borate, 5 to 10 parts of nanometer calcium carbonate, 3 to 7 parts of vermiculite, 25 to 40 parts of a solvent, 1 to 10 parts of modified barium metaborate, 1.5 to 3.6 parts of bentonite, 1 to 3 parts of a plasticizer, 0.5 to 3 parts of a levelling agent, and 1 to 5 parts of an ultraviolet ray absorber. The preparation process is simple; energy consumption is low; production costis low; the ultra-thin section steel structure weather-resistant fireproof paint possesses excellent flame resistance, weather resistance, bonding performance, sealing performance, is friendly to theenvironment, is wide in application range, and shedding is not easily caused.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an ultra-thin steel structure weather-resistant fireproof coating and a preparation method thereof. Background technique [0002] Ultra-thin fireproof coatings for steel structures refer to fireproof coatings with a coating thickness of no more than 3mm. This kind of coating will expand and foam to form a dense fireproof and heat insulation layer when it encounters a fire. It is usually used on steel structures with a fire resistance limit of 2 hours. This kind of fire retardant coating not only has the decorative and symbolic features of ordinary coatings, but also has the function of fire retardant and flame retardant, which can retard or delay fire when a fire occurs. Therefore, fire retardant coatings are widely used in the petrochemical industry. [0003] Most of the steel structures in the petrochemical industry are in the open air environment. The influence of the natura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/18C09D133/04C09D167/06C09D167/08C09D7/61C09D7/63C09D5/08C09D5/16C09D7/45
CPCC08K2003/265C08K2003/387C08K2201/011C08L2201/02C08L2201/08C08L2205/02C08L2205/035C09D5/08C09D5/1687C09D5/185C09D7/45C09D143/04C08L67/06C08L67/08C08L83/04C08K13/06C08K3/38C08K3/26C08K3/34C08K5/132C08K5/5205
Inventor 周宁任福平于巧燕宗永迪
Owner CHANGZHOU UNIV
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