A method for preparing a heat-insulating coating material specially used for environmentally friendly packages

A thermal insulation coating, environmental protection technology, applied in coatings, fireproof coatings, reflective/signal coatings, etc., can solve the problems of low thermal insulation efficiency, thermal insulation coating materials that cannot meet environmental protection requirements, and high preparation costs of thermal insulation coating materials problems, to achieve the effect of high compressive strength, small thermal conductivity and thermal shrinkage coefficient, and low thermal conductivity

Inactive Publication Date: 2019-01-01
葛惠惠 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for preparing a special thermal insulation coating material for environmental protection packaging, so as to overcome the following technical problems in the prior art: (1) the existing thermal insulation coating material has low heat preservation efficiency; The preparation cost of thermal coating materials is high; (3) The existing thermal insulation coating materials cannot meet environmental protection requirements

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0024] A method for preparing a special heat-insulating coating material for environmental protection packaging. The special heat-insulation coating material for environmental protection packaging includes the following main raw materials in parts by weight: 25-35 parts of water-based silicone acrylic resin, 5-10 parts of polyphenylene particles, hollow glass 6-12 parts of microbeads, 10-18 parts of zirconia ceramic fiber, 6-10 parts of mica, SiO 2 6-10 parts of airgel, 50-60 parts of ethanol, 2-3 parts of dispersant, 1.5-2.5 parts of coupling agent, 2-3 parts of thickener, 1-2 parts of defoamer, [Ag 46 Au 24 (SC 2 h 4 Ph) 32 ] (BPh 4 ) 2 Cluster 0.05-0.1 part;

[0025] Zirconia ceramic fiber is a heat-insulating refractory material. Mica has the characteristics of insulation and high temperature resistance. By adding a suitable ratio of zirconia ceramic fiber and mica to the raw material, the heat preservation and high temperature resistance of the coating material can ...

Embodiment 1

[0041] A method for preparing a special heat-insulating coating material for environmentally friendly packaging. The special heat-insulating coating material for environmentally friendly packaging includes the following main raw materials in parts by weight: 25 parts of water-based silicone acrylic resin, 5 parts of polyphenylene particles, and 6 parts of hollow glass microspheres , 10 parts of zirconia ceramic fiber, 6 parts of mica, SiO 2 6 parts of airgel, 50 parts of ethanol, 2 parts of sodium hexametaphosphate, 1.5 parts of 3-aminopropyltriethoxysilane, 2 parts of carboxymethyl cellulose, 1 part of silicone defoamer;

[0042] The thermal conductivity of the prepared thermal insulation coating material is 0.025 W / m·K, the hemispherical reflectance is 86%, and the solar reflectance is 0.90.

Embodiment 2

[0044] A method for preparing a special heat-insulating coating material for environmental protection packaging. The special heat-insulation coating material for environmental protection packaging includes the following main raw materials in parts by weight: 30 parts of water-based silicone acrylic resin, 8 parts of polyphenylene particles, and 10 parts of hollow glass microspheres , 14 parts of zirconia ceramic fiber, 8 parts of mica, SiO 2 8 parts of airgel, 55 parts of ethanol, 2.5 parts of sodium pyrophosphate, 2 parts of isobutyl triethoxysilane, 2.5 parts of hydroxypropyl methylcellulose, 1.5 parts of silicone defoamer;

[0045] The thermal conductivity of the prepared thermal insulation coating material is 0.020 W / m·K, the hemispherical reflectance is 91%, and the solar reflectance is 0.92.

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Abstract

A method for preparing a heat-insulating coating material specially used for environmentally friendly packages is disclosed. The coating material includes following main raw materials by weight: 25-35parts of waterborne silicone acrylic resin, 5-10 parts of polyphenylene particles, 6-12 parts of hollow glass microbeads, 10-18 parts of zirconia ceramic fibers, 6-10 parts of mica, 6-10 parts of SiO2 aerogel, 50-60 parts of ethanol, 2-3 parts of a dispersant, 1.5-2.5 parts of a coupling agent, 2-3 parts of a thickener, 1-2 parts of a defoamer and a [Ag<46>Au<24>(SC2H4Ph)<32>](BPh4)2 cluster. Themethod includes S1) pretreating the hollow glass microbeads, S2) pretreating the SiO2 aerogel; S3) preparing a powder material mixture; S4) preparing slurry; and S5) mixing the powder material with the slurry. Through synergistic effects of the raw materials, the prepared coating material has excellent flame retardance, excellent heat insulation performance and a high thermal insulation efficiency. The method is simple, the raw materials are easily available and environmentally friendly, and the preparation cost is low.

Description

technical field [0001] The invention belongs to the technical field of environmental protection heat insulation materials, and in particular relates to a method for preparing a special heat insulation coating material for environmental protection packaging. Background technique [0002] Many special products need to be coated with heat-insulating materials on the outer packaging. Many existing heat-insulating coatings either have poor heat-insulating effects or are easy to fall off. Some good heat-insulating coatings are expensive to produce. Today, global thermal insulation materials are developing towards the direction of high efficiency, energy saving, thin layer, thermal insulation, waterproof and external protection integration. While developing new thermal insulation materials and conforming to structural thermal insulation and energy-saving technologies, more emphasis is placed on the targeted use of thermal insulation Thermal insulation materials are designed and con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D125/06C09D5/18C09D5/33C09D7/62C09D7/61
CPCC08L2201/02C08L2201/08C09D5/004C09D5/18C09D7/61C09D7/62C09D7/70C09D143/04C08L25/06C08K13/06C08K9/06C08K7/28C08K7/08C08K7/26C08K3/34
Inventor 葛惠惠赵忠友李西栋
Owner 葛惠惠
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