Foamed refractory coating

A refractory coating and foaming technology, applied in the field of foaming refractory coatings, can solve the problems of insufficient coating operability, easy cracking, hard foaming layer, etc., and achieve good coating operability, suppress temperature rise, and suppress deformation and collapse effect

Inactive Publication Date: 2019-04-30
KANSAI PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the coating workability is insufficient and the foam layer is hard and easy to crack

Method used

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  • Foamed refractory coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～6 and comparative example 1～3

[0186] Each component was blended according to the composition shown in the following table, and it stirred and mixed it uniformly using the planetary mixer, and produced foaming refractory coating composition (X-1)-(X-9). In addition, the numerical value in a table shows a non-volatile component.

[0187] Table 1

[0188]

[0189] (Remark 1) Acrylic resin (A1-1): Isobutyl methacrylate / n-butyl methacrylate / n-butyl acrylate / N,N-dimethylaminoethyl methacrylate / hydroxyethyl acrylate (mass ratio)=45 / 13 / 29 / 10 / 3 interpolymer, amine equivalent 3100, weight average molecular weight 35000;

[0190] (Remark 2) Acrylic resin (A4): isobutyl methacrylate / n-butyl methacrylate / n-butyl acrylate / hydroxyethyl acrylate (mass ratio)=45 / 23 / 29 / 3 copolymer, weight average Molecular weight 35000;

[0191] (Remark 3) Alkyl silicate: a low condensation product of tetramethoxysilane, the average number of Si is 4, and the number average molecular weight is 470;

[0192] (Remark 4) REOFOS65: trade...

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Abstract

Provided is a foamed refractory coating material which has good coating workability and excellent curability and is suitable for protecting a structure when a fire disaster occurs. A foamed refractorycoating material comprising a crosslinkable resin composition (A) containing a tertiary amino group-containing compound (A1), an epoxy group-containing compound (A2), and an organosilicate ester compound and/or a condensation product (A3) thereof, a foaming agent (B), and a carbonizer (C). The invention also discloses a coating method using the foaming fire-resistant coating, a fire-resistant coating method of the structure, and a fire-resistant structure body.

Description

technical field [0001] The invention relates to a foaming refractory paint which foams and expands to form a heat insulating layer during a fire. Background technique [0002] Although non-combustible building materials are used for the steel frame materials that make up the framework of buildings, the strength of the materials decreases significantly in the event of intense heating in the event of a fire, leading to the collapse of the entire building. Therefore, it is widely made into a paste by mixing aggregates such as rock wool in cement-based inorganic binders and kneading with water, and spraying the obtained refractory cladding material on the surface of the steel frame for protection, thereby preventing The strength of the steel frame dropped sharply. [0003] However, the rock wool refractory cladding material needs to be attached to the steel frame with a thickness of 25 mm or more. Therefore, the rock wool refractory cladding material not only has restrictions ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/18C09D133/14C09D7/63
CPCC09D7/63C09D133/14C09D5/185C08L2312/00C08L2201/02C08L2203/14C08L71/02C08K13/02C08K5/053C08K5/5419Y02A30/244
Inventor 永井彰典山本真人新宅优贵
Owner KANSAI PAINT CO LTD
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