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Composite thermal insulation coating and preparation method thereof

A heat-insulating coating and heat-insulating material technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve the problems of troublesome preparation process, low quality stability, and high energy consumption in the production process, and achieve white appearance and low production cost. Low, not easy to fall off effect

Inactive Publication Date: 2016-03-02
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation process of this kind of chemical coating method is cumbersome, the quality stability is not high, and the energy consumption in the production process is relatively large

Method used

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  • Composite thermal insulation coating and preparation method thereof
  • Composite thermal insulation coating and preparation method thereof
  • Composite thermal insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Put 100 parts of hollow glass microspheres in an open container, and while stirring, spray 12 parts by mass of titanium dioxide sol on the surface of hollow glass microspheres in the form of a spray, gradually heat up to 80°C, and keep stirring until The hollow glass microspheres are no longer adhered, and then the hollow glass microspheres are placed in an airflow dryer at 110° C. for 30 minutes to obtain titanium dioxide-coated hollow glass microspheres.

[0017] (2) The raw materials will be prepared according to the following formula

[0018]

[0019]

[0020] (3) Disperse titanium dioxide-coated hollow glass microspheres, rutile titanium dioxide, mica powder and additives at a high speed for 8 minutes at 1000rpm, stir evenly and put them into a grinder for grinding to obtain a slurry; reduce the rotational speed to 300rpm, add The silicone-acrylic emulsion was stirred for another 25 minutes at a speed of 300 rpm to obtain a composite heat-insulating coati...

Embodiment 2

[0023] (1) Put 100 parts of hollow glass microspheres in an open container, and while stirring, spray 12 parts by mass of titanium dioxide sol on the surface of hollow glass microspheres in the form of a spray, gradually heat up to 80°C, and keep stirring until The hollow glass microspheres are no longer adhered, and then the hollow glass microspheres are placed in an airflow dryer at 110° C. for 30 minutes to obtain titanium dioxide-coated hollow glass microspheres.

[0024] (2) The raw materials will be prepared according to the following formula

[0025]

[0026]

[0027] (3) Disperse titanium dioxide-coated hollow glass microspheres, rutile titanium dioxide, mica powder and additives at a high speed for 8 minutes at 1000rpm, stir evenly and put them into a grinder for grinding to obtain a slurry; reduce the rotation speed to 350rpm, add The silicon-acrylic emulsion was stirred for another 30 minutes at a speed of 350 rpm to obtain a composite heat-insulating coating....

Embodiment 3

[0030] (1) Put 100 parts of hollow glass microspheres in an open container, and while stirring, spray 12 parts by mass of titanium dioxide sol on the surface of hollow glass microspheres in the form of a spray, gradually heat up to 80°C, and keep stirring until The hollow glass microspheres are no longer adhered, and then the hollow glass microspheres are placed in an airflow dryer at 110° C. for 30 minutes to obtain titanium dioxide-coated hollow glass microspheres.

[0031] (2) The raw materials will be prepared according to the following formula

[0032]

[0033]

[0034](3) Disperse titanium dioxide-coated hollow glass microspheres, rutile titanium dioxide, mica powder and additives at high speed for 8 minutes at 1000rpm, stir evenly and put them into a grinder for grinding to obtain a slurry; reduce the rotational speed to 400rpm, add The silicone-acrylic emulsion was stirred for another 35 minutes at a speed of 400 rpm to obtain a composite heat-insulating coating....

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Abstract

The invention provides a composite thermal insulation coating. The composite thermal insulation coating is prepared from, by mass, 20-40 parts of silicone acrylate emulsion, 15-25 parts of titanium dioxide-coated hollow microspheres, 8-12 parts of rutile titanium dioxide, 0.8-1.0 part of mica powder and 3.2-7.2 parts of an auxiliary. According to the composite thermal insulation coating, the hollow microspheres are obtained by adopting a titanium dioxide sol coating mode, titanium dioxide and the hollow microspheres are combined compactly and are not prone to falling, the microspheres are high in strength, white in appearance, high in reflectivity, and the obtained titanium dioxide-coated hollow microspheres both have the thermal reflection function of the titanium dioxide and have the thermal insulation function of the microspheres; the preparation technology is simple, equipment is low in requirement and easy to operate and control, and the production cost is low.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and in particular relates to a preparation method of a composite heat-insulating coating. Background technique [0002] The most important thing for building energy saving is to make the walls, roofs, doors and windows of the building have better heat insulation performance and good airtight performance. Among the many building thermal insulation materials currently on the market, building thermal insulation coatings have been widely accepted and applied because of their advantages such as economy, ease of use and reliable thermal insulation effect. Building thermal insulation coatings are made of synthetic resin emulsion as the base material, water as the dispersion medium, adding functional pigments and fillers (mainly pigments and fillers for sunlight reflection, radiation, and barrier) and additives, and are made through a certain process. For the thermal insulation effect of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/33C09D7/12
CPCC09D133/04C08K3/22C08K3/36C08K7/28C08K9/10C08K2003/2241C09D5/004C09D7/61C09D7/62
Inventor 许宁侯贵华代少俊姜瑞雨
Owner YANCHENG INST OF TECH
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