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Thermal-insulation paint for building external walls

A technology for thermal insulation and building exterior walls, applied in epoxy resin coatings, coatings, etc., can solve problems such as poor thermal insulation, thermal insulation and other performance, poor coating adhesion, no elasticity and other problems, achieve good gloss, The effect of strong adhesion and long service life

Inactive Publication Date: 2015-12-23
CHONGQING RADIO & TV UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a thermal insulation coating for building exterior walls to solve the problems of poor adhesion, no elasticity, easy cracking, efflorescence, and poor performance of thermal insulation and heat insulation in existing coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The thermal insulation coating for building exterior walls of this embodiment, the raw materials of the thermal insulation coating include the following components by weight:

[0023] 15 parts of epoxy resin, 12 parts of bismaleimide, 3 parts of tertiary alcohol propenyl borate, 8 parts of foam glass, 2 parts of ethylene-vinyl acetate copolymer, 1.5 parts of 3,3'-( Phenyloxy)bis(2,4,5-triphenyl)cyclopentadienone, 4 parts of nano-silica aluminum fiber, 1.5 parts of dispersant, 1.5 parts of thickener, 0.8 part of defoamer, 2 parts of wetting agent .

[0024] In this embodiment, the dispersant is a multi-acid copolymer, which can be vinyl acetate-acrylic acid ester multi-polymer, maleic acid-acrylic acid copolymer, etc., and the thickener is ethyl hydroxyethyl cellulose , can also be one or more mixtures of sodium carboxymethylcellulose, 2-hydroxypropylmethylcellulose, and hydroxyethylcellulose; the defoamer is an organosiloxane defoamer , can also be one or a mixture of...

Embodiment 2

[0026] The thermal insulation coating for building exterior walls of this embodiment, the raw materials of the thermal insulation coating include the following components by weight:

[0027] 10 parts of epoxy resin, 8 parts of bismaleimide, 1 part of o-di-tertiary alcohol borate, 5 parts of foam glass, 1 part of ethylene-vinyl acetate copolymer, 0.5 parts of 3,3'-( Phenyloxy)bis(2,4,5-triphenyl)cyclopentadienone, 2 parts of nano-silica aluminum fiber, 0.5 part of dispersant, 0.5 part of thickener, 0.5 part of defoamer, 1 part of wetting agent .

[0028] In the present embodiment, the dispersant is a multi-acid copolymer, which can be vinyl acetate──acrylic acid ester multi-polymer, maleic acid-acrylic acid copolymer, etc., and the thickener is sodium carboxymethyl cellulose, It can also be one or more mixtures of ethyl hydroxyethyl cellulose, 2-hydroxypropyl methyl cellulose, and hydroxyethyl cellulose; the defoamer is a polyether defoamer, also It can be one or a mixture of...

Embodiment 3

[0030] The thermal insulation coating for building exterior walls of this embodiment, the raw materials of the thermal insulation coating include the following components by weight:

[0031] 20 parts of epoxy resin, 15 parts of bismaleimide, 5 parts of o-di-tert-alcohol acryl borate, 10 parts of foam glass, 3 parts of ethylene-vinyl acetate copolymer, 3 parts of 3,3'-( Phenyloxy)bis(2,4,5-triphenyl)cyclopentadienone, 6 parts of nano-silica aluminum fiber, 2 parts of dispersant, 2 parts of thickener, 1 part of defoamer, 3 parts of wetting agent .

[0032] In this embodiment, the dispersant is a multi-acid copolymer, which can be vinyl acetate-acrylate multi-polymer, maleic acid-acrylic acid copolymer, etc., and the thickener is 2-hydroxypropylmethyl Cellulose can also be one or more mixtures of carboxymethylcellulose sodium, ethyl hydroxyethyl cellulose, and hydroxyethyl cellulose; the defoamer is an organosiloxane defoamer , can also be one or a mixture of polyether defoamer...

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Abstract

The invention discloses a thermal-insulation paint for building external walls, which is prepared from the following raw materials in parts by weight: an epoxy resin, bismaleimide, di-tert alcohol propenyl borate, foam glass, an ethylene-vinyl acetate copolymer, 3,3'-(p-phenyleneoxy)bis(2,4,5-triphenyl)cyclopentadiene ketone, nano alumina-silica fiber, a dispersing agent, a thickener, a defoaming agent and a wetting agent. The paint has the advantages of low raw material loss, simple technique, hard paint film, favorable glossiness, high impact resistance, low cracking tendency, soft tactile sensation, high decorating property, high weather resistance, high scrub resistance, high adhesive force, long service life, no special smell, no heavy metals (such as mercury, lead and the like), no volatile formaldehyde, synergistic actions among substance molecules, very high stability, high adhesiveness and high film formation efficiency, enhances the density of the coating film, and improves the film formation quality. Thus, the film has the advantages of high adhesive force, no bubble or crack, high compactness, high uniformity and the like.

Description

technical field [0001] The invention relates to building materials, in particular to thermal insulation coatings for building exterior walls. Background technique [0002] Paint is a material that can be well bonded to the base material and form a complete and tough protective film on the surface of an object, called a paint. Paint and paint are the same concept. Paint is a customary name that people have used for a long time. After it was introduced into my country, it has been used in the construction industry. The role of coatings can be summarized into three aspects: protection, decoration, and special functions. The general composition of coatings: including film-forming substances, pigments and fillers, solvents, and additives. Exterior wall paint is used to paint the facade of buildings, and it is required to achieve long-term exposure without discoloration. Exterior wall coatings also require water resistance and self-cleaning properties. The paint film should b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D123/08C09D7/12
Inventor 袁景翔杜连杰田淞铭王清江
Owner CHONGQING RADIO & TV UNIV
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