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A water-based exterior wall weather-resistant heat-reflective heat-insulating coating and preparation method thereof

A heat-insulating coating and weather-resistant technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve problems such as non-compliance with environmental protection, air quality pollution, waste of raw materials, etc., to achieve strong crack resistance, avoid pollution, The effect of organic matter volatilization

Active Publication Date: 2016-08-03
新船化工(沈阳)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large amount of organic solvents in traditional heat-reflective and heat-insulating coatings volatilize during the coating process and seriously pollute the air quality. At the same time, raw materials for production are wasted, and the production process is seriously polluted, which does not conform to the current concept of green environmental protection.

Method used

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Embodiment Construction

[0029] Below in conjunction with embodiment, the present invention is described in further detail.

[0030] The formula of the water-based exterior wall weather-resistant type heat-reflecting heat-insulating coating of the present invention, each composition comprises:

[0031] 30-40 parts of acrylic emulsion; 8-13 parts of DPOMA; 10-15 parts of titanium dioxide; 3-8 parts of mica powder; 10-20 parts of feldspar powder; 10-20 parts of heavy perlite powder; 2-5 parts of aluminum tripolyphosphate 5-10 parts of zinc phosphate; 6-10 parts of hollow glass microspheres; 0.5-2 parts of mixing aid.

[0032] Among them, the emulsion is organic silicon fluorine modified styrene-acrylic emulsion, which is mainly based on N-allyl perfluoropentane and sulfonamide, vinyl triethoxysilane, styrene, butyl acrylate, and acrylic acid. Lauryl laurate is a reactive emulsifier and ammonium persulfate is an initiator. The solid content is 55%, the pH is 5.0, the particle size is 0.4 microns, the pr...

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Abstract

The invention discloses a waterborne exterior wall weather-resistant heat-reflective insulation coating and a preparation method thereof and relates to architectural coating and a preparation method thereof. The coating comprises acrylic emulsion, dicyclopentenyloxethyl methacrylate (DPOMA), titanium white powder, mica powder, filler, hollow glass beads, an anti-freeze agent, a neutralizing agent, a wetting agent, a dispersing agent, an antifoaming agent, an in-can preservative, a film fungicide, a thickening agent and a hydrophobic agent. The preparation method comprises the steps of preparing materials in parts by weight of each component, then adding the prepared emulsion and other materials sequentially to a stirring tank, grinding the slurry of the prepared materials in the grinding mill, adding the ground powder slurry to the stirring tank, starting a low-speed stirring mode, then adding the pigments and filler and other materials, and then stirring, and detecting, filtering and packaging the resulting product. The prepared coating has the advantages of good weather resistance, strong crack resistance, no volatile organic compounds, good adhesion force to a substrate and high heat reflection efficiency.

Description

technical field [0001] The invention relates to a building coating and a preparation method thereof, in particular to a water-based weather-resistant heat-reflecting and heat-insulating coating for exterior walls and a preparation method thereof. Background technique [0002] At present, China is in a period of rapid development of high-end functional coatings. A large amount of organic solvents in traditional heat-reflective and heat-insulating coatings volatilize during the coating process and seriously pollute the air quality. At the same time, raw materials for production are wasted, and the production process is seriously polluted, which does not conform to the current concept of green environmental protection. [0003] Aiming at the disadvantages of traditional heat-reflective and heat-insulating coatings, we have developed water-based weather-resistant heat-reflecting and heat-insulating coatings for exterior walls. It uses functional monomer and active diluent DPOMA...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/33
Inventor 郭虹唐博王长健孟晨
Owner 新船化工(沈阳)股份有限公司
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