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Bicomponent gypsum base polystyrene foamed particle heat insulation paint

A polystyrene foam, thermal insulation coating technology, applied in fire-resistant coatings, coatings, etc., can solve the problems of low cost, weak compressive strength, poor thermal insulation effect, etc., and achieve easy construction, strong adhesion, and increased alkali resistance. Effect

Inactive Publication Date: 2006-08-30
常熟市蓝都弹性涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical solution of ZL02133287.8 has the advantages of low construction cost, convenient construction, and anti-aging. However, because the formula contains asbestos velvet, which is a harmful substance, people are very cautious about this substance, so that the application of this coating In addition, due to the poor water resistance of polyvinyl alcohol (PVA), although it is modified with sodium silicate, its water resistance is still unsatisfactory; the technical scheme of ZL02145516.3 has low cost and easy construction. However, since the main raw materials used as heat insulation are waste polystyrene foam and expanded perlite, the density of waste polystyrene foam cannot be guaranteed, and waste polyphenylene foam is recycled, and its density cannot be controlled, especially When the particle diameter is less than 3mm, not only the heat insulation effect is very poor, but also the compressive strength becomes very fragile; although ZL98122731. thermal insulation effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Take it as the raw material of component A for making the slurry, the particle diameter is less than 5mm and the bulk density is 8kg / m 3 2 parts of polystyrene foam particles, 1 part of ash calcium powder (calcium hydroxide), 4 parts of synthetic resin emulsion, 40.9 parts of water, 0.1 part of thickener, 0.1 part of modifier, 0.1 part of polypropylene fiber, retarder 1.5 parts, and take the raw materials of component B of the powder, 50 parts of paris plaster powder, and 0.3 parts of foaming agent. After component A is stirred evenly, add component B to component A and mix evenly to get The two-component gypsum-based polystyrene foam particle thermal insulation coating of the construction of the present invention. The applicant puts the product obtained in this embodiment into the test, and the results show that its thermal conductivity3 ; Coating resistance to temperature denaturation for 5 cycles without abnormality; low temperature stability without deterioration; w...

Embodiment 2

[0022] Only with the raw material of the A component in the example 1 as the slurry, the bulk density of the particle diameter is less than 5mm 15kg / m 3 4 parts of polystyrene foam particles, 6 parts of gray calcium powder, 7 parts of synthetic resin emulsion, 39.2 parts of water, 0.8 parts of thickener, 0.8 parts of modifier, 1 part of polypropylene fiber, 1 part of retarder, and take 40 parts of raw plaster powder and 0.2 part of foaming agent of the B component of the powder, all the other are the same as in Example 1.

Embodiment 3

[0024] Only with the raw material of the A component in the example 1 as the slurry making material, the bulk density 21kg / m that particle diameter is less than 5mm 3 6 parts of polystyrene foam particles, 10 parts of gray calcium powder, 10 parts of synthetic resin emulsion, 38.4 parts of water, 1.5 parts of thickener, 1.5 parts of modifier, 2 parts of polypropylene fiber, 0.5 part of retarder, and take 30 parts of plaster powder and 0.1 part of foaming agent are the raw materials of component B of the powder, and the rest are the same as in Example 1.

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PUM

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Abstract

The present invention relates to a double-component gypsum base polystyrene foam particle heat-insulating coating for thermal insulation of building internal wall, external wall and roof. Its composition includes (by weight portion) 2-6 portions of polystyrene foam particle, 4-10 portions of modified calcium oxide, 4-10 portions of synthetic resin emulsion, 35-45 portions of water, 0.1-1.5 portions of thickening agent, 0.1-1.5 portions of modifying agent, 0.1-2 portions of reinforcing fibre, 0.5-1.5 portions of delayed coagulant, 30-50 portions of calcined gypsum powder and 0.1-0.3 portion of foaming agent. Besides, said invention also provides its preparation method.

Description

technical field [0001] The invention relates to a two-component gypsum-based polystyrene foam particle thermal insulation coating, which is used for thermal insulation of the inner and outer walls and roofs of buildings, and belongs to the technical field of thermal insulation coatings for buildings. Background technique [0002] Aiming at advocating and advocating an energy-saving society, the Ministry of Construction of my country has issued relevant regulations requiring the implementation of thermal insulation measures for residential buildings. Therefore, thermal insulation materials that are economical, easy to use, and have ideal thermal insulation effects are becoming more and more popular among people. attention and favor. In this regard, it can be seen from the house insulation coating disclosed in Chinese Patent No. ZL02133287.8, the composite insulation coating disclosed in ZL02145516.3, and the information on a waterproof coating disclosed in ZL98122731.7. The t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D5/18C09D1/00C09D125/06
Inventor 李正
Owner 常熟市蓝都弹性涂料有限公司
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