Construction exterior wall paint with superior heat preserving performance

A technology for building exterior walls and thermal insulation performance, applied in the fields of coatings and building materials, can solve problems such as weak weather resistance and water resistance, bursting, and affecting wall thermal insulation performance, and achieve good waterproof and thermal insulation properties and good adhesion.

Inactive Publication Date: 2009-05-20
于士井
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing building exterior wall coatings have poor adhesion, weak weather resistance and water resistance, and cracks will occur after a long time of use, thus affecting the thermal insulation performance of the wall

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] First, 20 parts of polyvinyl alcohol, 20 parts of expanded perlite, 2 parts of aluminum silicate powder, 2 parts of shell powder, 2 parts of methyl cellulose, 2 parts of glass beads, 3 parts of glass fiber, and 3 parts of nano-silica , Put 20 parts of acrylic adhesive into the container, add water, mix and stir, heat up until it is completely dissolved, then add cold water and 0.1 part of defoamer, continue to heat, use defoamer to eliminate the bubbles that appear, until the glue in the container Until it is clear and transparent, put it in a special container after cooling, and then it can be mixed with filler calcium carbonate and antibacterial agent elm bark fiber for coating and scraping.

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PUM

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Abstract

A building exterior wall coating with good thermal insulation property is characterized by the compositions of polyvinyl alcohol, expanded perlite, aluminium silicate powder, oyster shell whiting, methylcellulose, glass microballoon, fiber glass, nanometer silicon dioxide, acryloid cement, elm bast fiber, an antifoaming agent and calcium carbonate. By virtue of methyl silica high polymer formed after the reaction among heated silicate, nanometer silica powder and organosilicone, the coating can form the binding of chemical bonds when being coated on the rigid surface of a concrete wall, with the fastness being far superior to that of the physical covering of a conventional coating; in the coating, the expanded perlite is further adopted as heat insulation base material and therefore, the coating is characterized by good waterproof and thermal insulation property, no bubbling and cracking and good adhesive force.

Description

Technical field [0001] The invention relates to a coating, in particular to a building exterior wall coating with good thermal insulation performance, which belongs to the category of building materials. Background technique [0002] Existing building exterior wall coatings are mainly solvent-based coatings and water-based coatings, which are applied to the exterior surface of walls to achieve decorative effects and prevent the erosion of water, air, microorganisms and corrosive substances. materials, additives and fillers. The existing building exterior wall coatings have poor adhesion, weak weather resistance and water resistance, and will cause burst cracks after a long time of use, thereby affecting the thermal insulation performance of the wall. SUMMARY OF THE INVENTION [0003] The object of the present invention is to overcome the above-mentioned deficiencies of the prior art, provide a kind of building exterior wall coating with good thermal insulation performance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D129/04C09D7/12C09D101/08
Inventor 于士井
Owner 于士井
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