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Water contg. and expansion coating compositions and use thereof

A composition and water swelling technology, applied in the direction of fireproof coatings, coatings, etc., can solve problems such as loss of thermal insulation layer, and achieve the effect of excellent waterproofness

Inactive Publication Date: 2005-08-17
KOREA COATING & INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Can overcome the loss of foam insulation in rapidly spreading fires

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Get 24.5 parts of water, 1.2 parts of dispersion material X-100 (Triton X-100, brand name, Union Carbide Corporation), 3.7 parts of ethylene glycol as antifreeze material and 0.3 part of defoamer HDW (Hongshan Chemical Company, trade mark, Korea) as a defoamer, mixed and stirred until homogeneous. While stirring at low speed, 20.7 parts of ammonium polyphosphate, 8.1 parts of dipentaerythritol, 9.5 parts of melamine, 5.7 parts of titanium dioxide (TiO 2 ) as dyeing material and 3.7 parts of mineral fiber as specific fireproof pigment, and then the resulting mixture was stirred at high speed. Then, 0.1 part of skycide PG-520 (SK Industries, trade name, Korea) and 22.1 parts of vinyl acetate-acrylate resin were added to the resulting reactant, and the resulting mixture was stirred at a low speed until the reactant became uniform. Then, add 0.4 parts of thickener to adjust the viscosity of the obtained product to 100-120KU. A water-swellable fireproof coating composition...

Embodiment 2

[0037] According to the same method described in the examples, a kind of water-swellable coating composition is obtained, the difference is to adopt 22.3 parts of melamine polyphosphate ester, 4.8 parts of neutralized phosphoric acid ester resin, 6.5 parts of melamine and 18.7 parts of vinyl acetate-silane Resin replaces 20.7 parts ammonium polyphosphate, 9.5 parts melamine 22.1 vinyl acetate-acrylate resin.

Embodiment 3

[0039] A kind of water-swellable coating composition is obtained according to the method described in the embodiment, but difference is, adopt 13.7 parts of pentaerythritol, 3.4 parts of titanium dioxide (TiO 2 ), 2.2 parts of porous ceramic pigment as a specific fireproof pigment, 1.6 parts of mineral fiber and 18.7 parts of vinyl acetate-silane resin instead of 8.1 parts of dipentaerythritol, 5.7 parts of titanium dioxide (TiO 2 ) as dyeing material, 3.7 parts of mineral fiber as specific fireproof pigment and 22.1 parts of vinyl acetate-acrylate resin.

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PUM

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Abstract

An aqueous intumescent painting composition and refractory coating materials prepared by the composition are disclosed. The aqueous intumescent painting composition includes at least a carrier, 10-30% by weight, which is selected from aqueous vinyl acetate-silane copolymer, aqueous ethylene-vinyl acetate copolymer, aqueous butyl acrylate copolymer and aqueous vinyl acetate-acrylic ester copolymer, 5-15 wt.% of charring material, 15-35 wt.% of multi-ammonium phosphate which is suffered surface treatment using a catalyzer, 5-15 wt.% of foaming agent, 2-10 wt.% mineral fibre as insulated material, 2-10 wt.% of dyed material and 2-6 wt.% of additive. A intumescent material, which has execellent fireproofing and waterproof capability and has no any hazardous haloge component, is able to be produced using the composition.

Description

technical field [0001] The invention relates to a water-swellable paint composition and fireproof materials produced by it. [0002] The coating composition of the present invention when applied to a substrate has excellent water resistance, durability and chemical resistance. In addition, when the resulting fireproof material is placed in a flame, the material swells about 50 to 150 times its original dry film thickness, again forming an insulating layer that prevents the substrate from burning. This phenomenon is produced by the successive thermal decomposition reactions of the fireproof coating material and the generation of incombustible gases due to the temperature rise. Background technique [0003] Generally, iron and steel products are non-combustible, but their fire resistance is poor. Fire will increase the temperature of the product, which will change the volume, internal temperature gradient, tensile strength, compressive strength and yield limit of the steel pr...

Claims

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Application Information

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IPC IPC(8): C09D5/18C09D123/08C09D131/04C09D183/10
CPCC08K5/053C08K5/34922C08K2003/323C09D5/18C09D7/61C09D7/63C09D131/04
Inventor 李翊洙金泰均
Owner KOREA COATING & INK
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