Title:
HEAT ABSORBING COATING FOR SOLAR WATER HEATERS
Document Type and Number:
WIPO Patent Application WO/2020/118470
Kind Code:
A1
Abstract:
Disclosed is a heat absorbing coating for solar water heaters, prepared from the following components in parts by weight: 33-42 parts of an acrylate modified composite emulsion, 1-3 parts of a silane coupling agent, 2-5 parts of titanium dioxide, 1-2 parts of an organic bentonite, 8-14 parts of a curing agent, 43-62 parts of an absorbent, 13-17 parts of a solvent, 6-9 parts of a film-forming agent, 2-4 parts of a humidity control agent, 4-8 parts of a dispersant, 2-4 parts of a thickener, 3-7 parts of dibutyl phthalate, and 1-5 parts of acetone; the plasticizer comprises the following components in parts by weight: 11-23 parts of phthalic anhydride, 12-15 parts of polyvinyl chloride, 3-7 parts of ethylene glycol, 13-23 parts of polyvinyl chloride, and 1-10 parts of ethylene glycol. The heat absorbing coating has the following advantages: environmental friendliness, low cost, low plasticizing temperature, good adhesion, low residual stickiness, and high weatherability.
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Inventors:
ZHANG WEIWEI (CN)
Application Number:
PCT/CN2018/119959
Publication Date:
June 18, 2020
Filing Date:
December 09, 2018
Export Citation:
Assignee:
ZHANG WEIWEI (CN)
International Classes:
C09D133/04
Foreign References:
| CN108384357A | 2018-08-10 | |||
| CN104231876A | 2014-12-24 | |||
| CN106009993A | 2016-10-12 | |||
| CN108410223A | 2018-08-17 | |||
| JP2018069185A | 2018-05-10 |
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