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A thermal insulation coating and its preparation method and thermal insulation system using the coating

A thermal insulation and coating technology, applied in thermal insulation, antifouling/underwater coatings, reflective/signal coatings, etc., can solve the problems of thick coating, unsuitable building exterior wall finish, etc., to achieve bond strength High, increase the suspension stability, the effect of improving the bonding strength

Active Publication Date: 2020-06-05
苏州高新大乘低碳环保新材发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coating formed by the scraping of this kind of paint is relatively thick, which is only suitable for heat insulation of pipes, kettle bodies or buildings, etc., and is not suitable for building exterior wall finishes.

Method used

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  • A thermal insulation coating and its preparation method and thermal insulation system using the coating
  • A thermal insulation coating and its preparation method and thermal insulation system using the coating
  • A thermal insulation coating and its preparation method and thermal insulation system using the coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0055] A kind of thermal insulation coating, by weight, the content of each component in embodiment 1-5 is shown in the table below:

[0056] Table 1. Each component content table of embodiment 1-5

[0057]

[0058] Among them, the bulk density of low-density hollow glass microspheres is ≤1g / cm 3 ;Animal protein foaming agent can be replaced with vegetable protein foaming agent. The concentration of the silicone emulsion used in Examples 1-5 is 1% (w / w), 2% (w / w), 3% (w / w), 4% (w / w), 5% (w / w) w).

[0059] Performance Testing

[0060] The thermal insulation coatings of Examples 1-5 were used as samples 1-5, and the commercially available reflective thermal insulation coatings were used as reference samples, referring to GB / T10295-2008 "Steady-state thermal resistance and related characteristics of thermal insulation materials for determination of heat flow Measurement Method", JG / T517-2017 "Hollow Glass Bead Thermal Insulation Materials for Engineering" and JC / T1040-2007...

Embodiment 6

[0065] A preparation method for thermal insulation coating, which comprises the steps of:

[0066] P1. In parts by weight, 23 parts of styrene-methyl acrylate copolymer emulsion, 12 parts of silicone-modified n-butyl acrylate emulsion, 8 parts of silicone emulsion with a concentration of 1% (w / w) and 0.1 part of graphite Add alkene into the stirring tank, stir and mix at a speed of 500r / min to obtain a mixed material 1;

[0067] P2. In parts by weight, add 10 parts of low-density hollow glass microspheres and 2 parts of nano-silicon dioxide to the mixed material 1, and stir at a speed of 200r / min for 20-40min to obtain the mixed material 2; the low-density hollow glass used Bulk density of microbeads≤1g / cm 3 ;

[0068] P3, in parts by weight, add 0.5 part of animal protein foaming agent and 0.2 part of sodium lauryl sulfate to the mixed material 2, stir and mix evenly to obtain the mixed material 3;

[0069] P4. In parts by weight, add 1 part of hydroxymethyl cellulose to t...

Embodiment 7

[0072] A preparation method for thermal insulation coating, which comprises the steps of:

[0073] P1. In parts by weight, 26 parts of styrene-ethyl acrylate copolymer emulsion, 13.5 parts of silicone-modified n-butyl acrylate emulsion, 9 parts of silicone emulsion with a concentration of 2% (w / w) and 0.3 parts of graphite Add alkene into the stirring tank, stir and mix at a speed of 600r / min to obtain a mixed material 1;

[0074] P2. In parts by weight, add 13 parts of low-density hollow glass microspheres and 3 parts of nano-silicon dioxide to the mixed material 1, and stir at a speed of 150r / min for 20-40min to obtain the mixed material 2; the low-density hollow glass used Bulk density of microbeads≤1g / cm 3 ;

[0075] P3, in parts by weight, add 0.6 part of animal protein foaming agent and 0.3 part of sodium lauryl sulfate to the mixed material 2, stir and mix evenly to obtain the mixed material 3;

[0076] P4. In parts by weight, add 2 parts of hydroxyethyl cellulose to...

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Abstract

The invention discloses a heat insulation coating, and belongs to the field of building coatings. The heat insulation coating aims at solving the problem that a heat insulation coating in the prior art is thick in coating layer and is unsuitable for a facing layer of a building external wall. The heat insulation coating is characterized by being prepared from low-density hollow glass microspheres,hydrophobic emulsion, a water repellent, nanosilicon dioxide, a foaming agent, an air entraining agent, elastic emulsion, a thickening agent and grapheme. The heat conductivity coefficient of the coating is lowered to 0.030 W / (m K), the coating can be used in cooperation with primer and a reflective heat insulation surface paint layer, a coating with the low thickness is scraped in batch, and theexcellent heat insulation effect can be obtained. The invention correspondingly discloses a preparing method for the heat insulation coating, the heat insulation coating prepared with the method is suitable for scraping in batch or spraying or napping construction, and has the advantages of being high in bonding strength, good in waterproof performance and excellent in anti-cracking and heat insulation performance. The invention also discloses a heat insulation system with the heat insulation coating, and the heat insulation system has the advantages that the heat insulation system can be used for a building external wall / internal wall, the heat insulation effect is good, and energy saving and environmental protection effects are achieved.

Description

technical field [0001] The invention belongs to the technical field of architectural paint and its preparation, more specifically, it relates to a thermal insulation paint, a preparation method thereof and a thermal insulation system using the paint. Background technique [0002] Buildings are large energy consumers. Under the current situation of energy shortage, it is imminent to save energy and reduce consumption. At present, in 2003, the completed area of ​​urban and rural buildings in my country reached 2.03 billion m 2 , These buildings consume a lot of energy in heating, air conditioning, ventilation, cooking, lighting, hot water supply, etc. during the use period of decades to nearly a hundred years. But so far, there are about 40 billion m 2 buildings, only in the city's 320 million m 2 Houses can be regarded as energy-saving buildings, and other buildings are high-energy-consuming buildings in terms of building maintenance structures and heating and air-conditio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D133/04C09D5/16C09D5/33C09D7/61E04B1/76
CPCC08L2205/035C09D5/004C09D5/1668C09D5/1687C09D125/14E04B1/76C08L33/04C08L83/04C08K7/28C08K3/042C08K3/36Y02A30/00Y02B30/90
Inventor 张福恒单秀军
Owner 苏州高新大乘低碳环保新材发展有限公司
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