Pasty heat-insulating elastic putty

A thermal insulation and elastic putty technology, applied in the direction of filling slurry, etc., can solve problems such as difficult construction, high viscosity of putty, cracking of wall protection layer, etc.

Inactive Publication Date: 2010-04-14
BEIJING COATINGS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the performance requirements of flexible anti-crack putty stipulated in JG158-2004 "Powder Polystyrene Particle Exterior Wall External Insulation System", the flexibility is qualified if the putty film bends a rod with a diameter of 50mm and no cracks, while the traditional powdery putty is difficult To meet this requirement, because only when the amount of latex powder reaches 13%, the flexibil

Method used

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Experimental program
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Embodiment

[0042] A paste-like thermal insulation elastic putty, with elastic emulsion as film-forming material, silicon-aluminum-based ceramic hollow microspheres as thermal insulation filler, shape-changing material as energy storage and temperature-regulating filler, and heavy calcium and talcum powder as minerals Filler, under the cooperation of additives and water, is prepared into a paste-like phase change energy storage heat preservation and heat insulation elastic putty, and the composition of each component of the formula is as follows;

[0043] Elastic Acrylic Emulsion 2848NG 30%

[0044] Ethylene Polyvinyl Acetate Emulsion VAE707 9%

[0045] Sodium hexametaphosphate 0.3%

[0046] Defoamer 0.3%

[0047] Wood fiber 5%

[0048] Antifungal agent 0.3%

[0049] Hypromellose 0.3%

[0050] Ethylene glycol 0.8%

[0051] Sepiolite shape-changing material 20%

[0052] Heavy calcium powder 400-600 mesh 7%

[0053] Talc powder 400-600 mesh 7%

[0054] Ceramic hollow microspheres 5...

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PUM

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Abstract

The invention discloses pasty heat-insulating elastic putty. The preparation method of the pasty heat-insulating elastic putty comprises the following steps of taking elastic emulsion as film-forming material, silicon-aluminum base ceramic hollow microspheres as heat-insulating filler, shape-stabilized phase change material as energy storage and temperature adjustment filler, and triple superphosphate and French chalk as mineral filler with the cooperation of auxiliary agents and water, firstly, preparing sepiolite shape-stabilized phase change material, secondly, mixing and stirring the elastic emulsion, dispersing agent, antifoaming agent, anti-mildew agent, ethylene glycol, dissolved hydroxypropylmethylcellulose solution, wood fiber, the triple superphosphate, the French chalk and the ceramic hollow microspheres to form an uniform pasty body, thus preparing the pasty heat-insulating elastic putty. In the invention, the putty coating can shade crack of a protective layer, prevent a decorative coating film from cracking, strengthen the heat-insulating effect and improve the energy saving efficiency, and has high percentage elongation at rupture, heat storage and temperature adjustment and control effect, remarkable heat-insulating and cooling effects, excellent physicochemical property and wide market prospect.

Description

[0001] Field of invention [0002] The invention relates to the technical field of building materials, in particular to a paste-like thermal insulation elastic putty. Background technique [0003] At present, with social progress and rapid economic development, the construction industry is becoming more and more prosperous, and the use of construction putty as one of the building materials is also increasing day by day. As a leveling material for the wall protection layer, putty should have suitable bonding strength, excellent crack resistance, water resistance, permeability resistance and air permeability with the external insulation system of the wall. Reduce the occurrence of cracks and improve the indoor thermal environment. At present, my country's building energy consumption accounts for about 35% of the total social energy consumption, and building energy conservation has been listed as one of the top ten energy-saving projects in the country. In order to achieve the ...

Claims

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Application Information

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IPC IPC(8): C09D5/34
Inventor 赵明进刘成楼
Owner BEIJING COATINGS
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