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Thin coating type water-based heat insulation and thermal isolation paint and preparation method thereof

A thermal insulation, thin coating technology, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve the problems of weak impact resistance, large drying shrinkage, poor thermal insulation ability, etc., to achieve strong thermal insulation performance, Easy-to-operate effects

Inactive Publication Date: 2017-05-31
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The first purpose of the present invention is to provide a thin-coated water-based thermal insulation coating to solve the problem of thick coating, long drying cycle, weak impact resistance, large drying shrinkage, high moisture absorption rate and heat insulation at room temperature of existing thermal insulation coatings. Poor ability and other issues

Method used

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  • Thin coating type water-based heat insulation and thermal isolation paint and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The thin-coated water-based thermal insulation coating provided in this embodiment is prepared from the following components:

[0039] 5kg of hydrophobically modified expanded vermiculite with a particle size of 25 microns and a thermal conductivity of 0.04W / m.K, 5kg of hollow glass beads with a particle size of 8 microns and a thermal conductivity of 0.05W / m.K, 20kg of styrene-acrylic emulsion, and 5kg of light calcium. Wetting agent 0.1kg, dispersant 0.1kg, polyacrylate 0.8kg, pH regulator 0.01kg, defoamer 0.01kg, bactericide 0.01kg and water 10kg.

[0040] The preparation method of the thin coating type water-based thermal insulation coating specifically comprises the following steps:

[0041] Add water, emulsion, pH regulator, thickener, wetting agent, dispersant, defoamer and bactericide in sequence, disperse and stir evenly, then add filler, hydrophobically modified expanded vermiculite and hollow glass microspheres, and mix well , to obtain the thin coating type...

Embodiment 2

[0043] The thin-coated water-based thermal insulation coating provided in this embodiment is prepared from the following components:

[0044] 20kg of hydrophobically modified expanded vermiculite with a particle size of 125 microns and a thermal conductivity of 0.07W / m.K, 20kg of hollow glass beads with a particle size of 80 microns and a thermal conductivity of 0.09W / m.K, 45kg of styrene-acrylic emulsion, and 15kg of light calcium. Wetting agent 1kg, dispersant 1.0kg, polyacrylate 1.5kg, pH regulator 0.05kg, defoamer 0.2kg, bactericide 0.2kg and water 30kg.

[0045] The preparation method of this thin-coated water-based thermal insulation paint is the same as that of Example 1.

Embodiment 3

[0047] The thin-coated water-based thermal insulation coating provided in this embodiment is prepared from the following components:

[0048] 10kg of hydrophobically modified expanded vermiculite with a particle size of 50 microns and a thermal conductivity of 0.05W / m.K, 10kg of hollow glass beads with a particle size of 50 microns and a thermal conductivity of 0.07W / m.K, 30kg of styrene-acrylic emulsion, and 10kg of light calcium. Wetting agent 0.5kg, dispersant 0.5kg, polyacrylate 1.0kg, pH adjuster 0.04kg, defoamer 0.1kg, bactericide 0.1kg and water 20kg,

[0049] Wherein, the preparation method of hydrophobically modified expanded vermiculite comprises the following steps:

[0050] Heat the expanded vermiculite to 110°C, keep it warm for 3 hours, and mix it with an anhydrous ethanol solution of zinc stearate (concentration: 15%) at a ratio of 2:1 after cooling to room temperature, heat to 65°C, and react for 0.5 hours, Then the temperature was raised to 90° C. to remove e...

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Abstract

The invention provides thin coating type water-based heat insulation and thermal isolation paint and a preparation method thereof. The thin coating type water-based heat insulation and thermal isolation paint is prepared from the following ingredients in parts by mass: 5 to 20 parts of hydrophobic modified expanded vermiculite, 5 to 20 parts of hollow glass micro beads, 20 to 45 parts of emulsion, 5 to 15 parts of filling materials, 0.1 to 1 part of wetting agents, 0.1 to 1.0 part of dispersing agents, 0.8 to 1.5 parts of thickening agents, 0.1 to 0.5 part of pH regulators, 0.01 to 0.2 part of antifoaming agents, 0.01 to 0.2 part of sterilizing agents and 10 to 30 parts of water. The thin coating type water-based heat insulation and thermal isolation paint provided by the invention has the advantages that hydrophobic modified expanded vermiculite and the hollow glass micro beads are used and are uniformly dispersed into the elastic acrylic ester type emulsion with excellent heat-resistant weather-resistant anti-corrosion alkali-resistant and water-proof performance to form the paint; good heat insulation and thermal isolation performance is realized; the coating thickness can be reduced to 850 to 1500 micrometers.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to the technical field of building wall coatings, in particular to a thin-coated water-based thermal insulation coating and a preparation method thereof. Background technique [0002] The energy problem is a major challenge that our country needs to deal with for a long time. Building energy consumption occupies a pivotal position in the total energy consumption of human society, and its proportion is usually between 30% and 40%. The largest energy consumption points of buildings are air conditioners and Heating, whose energy consumption accounts for 55% of the total building energy consumption. As far as my country is concerned, according to the latest data released by the Ministry of Construction, 80% of the newly added 2 billion square meters of construction area in my country each year are high-energy buildings, and the proportion of high-energy buildings in the existing 43 bil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D7/12C09D5/08
CPCC09D125/14C08K2201/003C08L2201/08C09D5/08C09D5/18C09D7/62C09D7/70C08L33/04C08K9/04C08K7/26C08K7/28
Inventor 苏高申
Owner YANGTZE UNIVERSITY
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