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Themally insulating and reducing composite paint and its preparing process and application

A technology of thermal compounding and heat insulation layer, which is applied in coatings, conjugated diene coatings, polyester coatings, etc., can solve the problems of unsatisfactory light reflection effect of the coating surface layer, reduced heat absorption, and unsatisfactory requirements. Achieve good heat insulation and heat reduction effect

Inactive Publication Date: 2003-02-12
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, simply relying on white pigments and / or fillers to reduce heat absorption will still not meet the requirements
Simultaneously the light reflection effect of above-mentioned coating surface layer is also not ideal enough.

Method used

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  • Themally insulating and reducing composite paint and its preparing process and application
  • Themally insulating and reducing composite paint and its preparing process and application
  • Themally insulating and reducing composite paint and its preparing process and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 100 parts by weight of styrene acrylate emulsion with a solid content of about 45% (weight), 15 parts by weight of talcum powder, 10 parts by weight of light calcium carbonate, 5 parts by weight of hollow glass beads, 5 parts by weight of titanium dioxide, dibutyl hydroxytoluene 3 parts by weight, 1 part by weight of ethylene glycol and 10 parts by weight of water glass are fully stirred evenly, and coated on the substrate to form a heat-insulating layer. With 100 parts by weight of alkyd resin, 120 # 20 parts by weight of solvent gasoline and 10 parts by weight of aluminum paste are evenly mixed and sprayed on the heat-insulating layer to form a reflective heat-reducing layer. After both layers are cured, the heat-insulating and heat-reducing composite coating of the present invention is formed.

Embodiment 2

[0032]100 parts by weight of styrene acrylate emulsion with a solid content of about 45% (weight), 10 parts by weight of light calcium carbonate, 2 parts by weight of sodium bentonite, 8 parts of fly ash hollow microspheres, 2,6-di-tert-butyl 1 part by weight of p-phenol, 5 parts of water glass, fully stirred evenly. Brush on the surface of the substrate to form a thermal insulation layer. 100 parts by weight of polyacrylate emulsion with a solid content of about 50% (weight), 30 parts of mica powder, 15 parts by weight of hollow glass beads, 5 parts of talcum powder, 8 parts of propylene glycol, and polyacrylic acid with a concentration of about 15% (weight) After fully stirring 8 parts of sodium aqueous solution, it is sprayed on the surface of the cured heat insulation layer to form a reflective and heat-reducing layer.

Embodiment 3

[0034] 100 parts by weight of acrylic pressure-sensitive adhesive emulsion with a solid content of about 40% (weight), 2 parts by weight of sodium bentonite, 5 parts by weight of titanium dioxide, 1 part by weight of antioxidant 264 and 1 part by weight of ethylene glycol are uniformly blended into a pressure-sensitive latex , sprayed on the surface pretreated substrate to form a pressure-sensitive adhesive layer, and then spray 7 parts by weight of hollow microspheres to form a multilayer arrangement of hollow microspheres heat insulation layer; then coat the described in Example 1 Reflective heat reducing layer.

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Abstract

A composite coated layer for thermal insulating and heat reflecting is composed of a thermal insualting layer on the surface of a substrate and a heat reflecting layer on the said thermal insulating laye. The thermal insulating layer contains filming agent, hollow microbeads arranged by one or more layers, thermal insulating filler and / or stress reducing material. The reflecting layer contains filming agent, antiageing agent, antistatic agent and reflecting pigment.

Description

technical field [0001] The invention relates to a heat-insulating and heat-reducing composite coating. Specifically, the invention relates to a heat-insulating and heat-reducing composite coating using hollow microspheres as heat-insulating materials and reflective pigments as reflective materials. The invention also relates to the manufacturing method and application of the heat-insulating and heat-reducing composite coating. Background technique [0002] There are many coatings using hollow microspheres in the prior art. For example, CN 1032665A discloses a regenerated heat-insulating and waterproof coating for aging roofing felt and asphalt waterproofing. The composition of the paint, in which the softener contained in the regenerated waterproof paint diffuses and penetrates into the aging waterproof layer, so that the aging waterproof layer is softened and regenerated, while the heat-insulating waterproof paint contains hollow glass microspheres and pigments with high r...

Claims

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Application Information

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IPC IPC(8): B05D1/38B05D5/00C09D109/06C09D131/04C09D167/00
Inventor 张敬杰杨岩峰宋广智
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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