Building external wall thermal insulating powder coating, and preparation method thereof

A thermal insulation and powder coating technology, which is applied in the field of architectural coatings, can solve the problems of poor thermal insulation and thermal insulation performance, poor coating adhesion, and no elasticity, so as to improve coating protection performance and improve coating decoration. , The effect of simple construction

Inactive Publication Date: 2014-07-02
SHENZHEN JIADA HIGH TECH IND DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, powder coatings for exterior walls of buildings only focus on decorative functions. The coating has poor adhesion, no elasticity, is easy to crack, and is prone to efflorescence. Unlike general exterior wall decoration projects, it is limited in high-end green building exterior walls

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] In the single-mix dry powder mortar mixer, add the following components in sequence by weight: 16 parts of white Portland cement (325 type), 1.6 parts of high alumina cement (Suihua brand special cement), 8 parts of closed hollow ceramic particles ( Guangzhou Ceramic Building Material Factory), 3 parts of nano-infrared reflective powder (Schetter, USA), 1 part of vinyl acetate-ethylene polymer (Wacker), 0.05 part of methyl hydroxyethyl cellulose ether (Bayer), 0.2 part Defoamer (Hexon), 0.1 part of water reducer, 0.15 part of water repellent (Wacker), 8 parts of kaolin (800 mesh), 7 parts of heavy calcium (400 mesh), 0.01 part of alkali-resistant glass fiber, 15 parts of river Sand (20 mesh), 25 parts of river sand (40 mesh) and 15 parts of river sand (80 mesh) were stirred and mixed evenly to obtain the thermal insulation powder coating.

Embodiment 2

[0056] In the single-mix dry powder mortar mixer, add the following components in sequence by weight: 18 parts of white Portland cement (325 type), 1.8 parts of high alumina cement (Suihua brand special cement), 10.5 parts of closed hollow ceramic particles ( Guangzhou Ceramic Building Material Factory), 5 parts of nano-infrared reflective powder (Schetter, USA), 2 parts of vinyl acetate-ethylene polymer (Wacker), 0.09 part of methyl hydroxyethyl cellulose ether (Bayer), 0.2 part Defoamer (Hexion), 0.15 parts of water reducing agent, 0.25 parts of water repellent (Wacker), 8 parts of kaolin (800 mesh), 7 parts of heavy calcium (400 mesh), 0.01 part of anti-alkali glass fiber, 12 parts of river Sand (20 mesh), 20 parts of river sand (40 mesh) and 15 parts of river sand (80 mesh) were stirred and mixed evenly to obtain the thermal insulation powder coating.

Embodiment 3

[0058] In the single-mix dry powder mortar mixer, add the following components in sequence by weight: 18 parts of white Portland cement (325 type), 1.8 parts of high alumina cement (Suihua brand special cement), 12.5 parts of closed hollow ceramic particles ( Guangzhou Ceramic Building Material Factory), 5 parts of nano-infrared reflective powder (Schetter, USA), 2 parts of vinyl acetate-ethylene polymer (Wacker), 0.09 part of methyl hydroxyethyl cellulose ether (Bayer), 0.2 part Defoamer (Hexon), 0.15 parts of water reducing agent, 0.25 parts of water repellent (Wacker), 8 parts of kaolin (800 mesh), 7 parts of heavy calcium (400 mesh), 0.01 part of alkali-resistant glass fiber, 10 parts of river Sand (20 mesh), 20 parts of river sand (40 mesh) and 15 parts of river sand (80 mesh) were stirred and mixed evenly to obtain the thermal insulation powder coating.

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PUM

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Abstract

The invention provides a building external wall thermal insulating powder coating. The building external wall thermal insulating powder coating comprises, by weight, 16 to 21 parts of silicate cement, 1.5 to 2 parts of high-alumina cement, 8 to 15 parts of hollow ceramic particle, 3 to 7 parts of Infrared reflective powder, 1 to 2 parts of vinyl acetate-ethylene polymer, 0.02 to 0.5 part of hydroxyethyl methyl cellulose, 0.1 to 0.3 part of an antifoaming agent, 0.1 to 0.4 part of a water reducing agent, 0.1 to 0.5 part of a waterproof agent, 8 to 10 parts of kaolin, 5 to 7 parts of heavy calcium carbonate, 0.01 to 0.02 part of alkali resistant glass fiber, and 35 to 58 parts of an inorganic filling material. The invention also provides a preparation method of the building external wall thermal insulating powder coating.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and in particular relates to a thermal insulation powder coating for building exterior walls and a preparation method thereof. Background technique [0002] In recent years, the construction industry has gradually developed into a pillar industry of the national economy. The proportion of architectural coatings in coatings has also increased year by year, accounting for 40% of the total coatings. Among them, the application of exterior wall decorative coatings has exceeded 35% of architectural coatings. Architectural coatings are directly related to people's health and living environment, reflecting people's living standards. With the development of modern life, culture and social economy, people have higher requirements for architectural coatings, which determines the development trend of architectural coatings in the future. [0003] The powder coating is a solvent-free powder c...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B24/26
Inventor 熊永强彭轩关有俊
Owner SHENZHEN JIADA HIGH TECH IND DEV
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