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A kind of reflective heat insulation coating and its preparation and application

A technology of reflective heat-insulating coatings and raw materials, applied in the direction of reflective/signal coatings, anti-fouling/underwater coatings, coatings, etc., can solve the problems of low thermal insulation effect and limited thermal resistance, and achieve lower temperature and good air permeability Effect

Active Publication Date: 2016-03-09
上海绿色建材研究中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the thermal conductivity of the thin-layer reflective thermal insulation coating is not high, the total thermal resistance is limited due to the relatively thin coating film thickness, and the thermal insulation effect is not great.

Method used

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  • A kind of reflective heat insulation coating and its preparation and application
  • A kind of reflective heat insulation coating and its preparation and application
  • A kind of reflective heat insulation coating and its preparation and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The preparation of embodiment 1 tert-acrylic emulsion

[0052] method one

[0053] 1) The raw material composition of the nuclear department

[0054]

[0055]

[0056] 2) Composition of shell raw materials

[0057]

[0058] 3 / 4 of the deionized water in the core raw material components of the above reactant formula, 2 / 5 of the surfactant, 1 / 3 of the initiator, 1 / 4 of the soft monomer of the core, 1 / 6 of the hard monomer of the core, Add 1 / 4 of the core functional monomer and 1 / 6 of the organosiloxane monomer into the reactor, heat up to 80°C under stirring conditions, and react after 15 minutes of stable reaction to form a seed nanocrystal emulsion, and then add the core raw materials dropwise In the core pre-emulsion composed of the remaining part, the weight ratio of the core material to the shell material is 1:0.2; react at 83°C for 2-3 hours to form core layer emulsion particles. Then continue to drop the shell pre-emulsion prepared by mixing the shell r...

Embodiment 2

[0071] Embodiment 2 Preparation of reflective heat-insulating coating

[0072] 1. Reagents

[0073] Dispersant S-70S was provided by Shanghai Zhongcheng Chemical Co., Ltd., and dispersant 2320 was provided by Shenzhen Haichuan Co., Ltd. Wetting agent LB407 and wetting agent EFS4070 were provided by Shanghai Zhongcheng Chemical Co., Ltd. The hydrophilic defoamer 315 was provided by Shenzhen Haichuan Co., Ltd., and the hydrophobic defoamer DF538 was provided by Shanghai Zhongcheng Chemical Co., Ltd. Titanium dioxide 996 was provided by Shanghai Yantai Co., Ltd. 4A molecular sieve was provided by Luoyang Jianlong Co., Ltd. Saiboya nano rubber powder is provided by Yuhang Jiacheng Nonmetal Mining Co., Ltd. Leveling agent LEV-202, provided by Shanghai Zhongcheng Chemical Co., Ltd. Fungicide 515 was provided by Shanghai Chaoling Co., Ltd. Antifungal agent A2W, provided by Shanghai Chaoling Co., Ltd. Wetting agent EFS-407 was provided by Shanghai Zhongcheng Chemical Co., Ltd. ...

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Abstract

The invention relates to the field of thermal insulation construction material, and specifically relates to a reflective thermal insulation paint, preparation and applications thereof. The reflective thermal insulation paint is composed of the following components in parts by weight: 20 to 40 parts of tert-acetic styrene acrylic emulsion, 30 to 40 parts of thermal insulation powder, 15 to 20 parts of pigments and fillers, 1 to 10 parts of auxiliary agent, and 30 to 40 parts of water. The reflective paint is composed of tert-acetic styrene acrylic emulsion and thermal insulation powder with a high reflectivity, has the advantages of no toxicity, no odor, waterproofness, and good gas permeability, and can effectively reflect the infrared rays in sunshine lights so as to reduce the temperature.

Description

technical field [0001] The invention relates to the field of thermal insulation building materials, in particular to a reflective thermal insulation coating and its preparation and application. Background technique [0002] In recent years, many varieties of reflective heat insulation coatings have appeared on the market. Reflective heat-insulating coatings are composed of base materials, heat-reflecting pigments, fillers and additives. Thermal insulation is achieved by efficiently reflecting sunlight. Thin-layer heat-insulating reflective coatings are representative of this type of coatings. The national reflective heat insulation coating standard (JC / T1040-2007) requires: the solar reflectance is not less than 85%, and the hemispherical emissivity is not less than 83%. Reflective heat insulation coating is a new type of cooling coating that integrates reflection, radiation and hollow microsphere heat insulation. The coating can highly reflect the solar infrared and ultr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/00C09D5/33C09D5/14C08F263/02C08F218/04C08F220/06C08F220/28C08F212/08C08F220/14C08F220/18
Inventor 邓春耀陈安仁洪丽萍孙长胜
Owner 上海绿色建材研究中心有限公司
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