COATING COMPOSITION FOR COATING THE SURFACE OF REFLECTIVE PLATE FOR SOLAR HEAT COLLECTOR AND METHOD FOR PRODUCING REFLECTIVE PLATE FOR SOLAR HEAT COLLECTOR

WIPO Patent Application WO/2012/046783

A1

The aim of the invention is to provide a coating composition for coating the surface of a reflective plate for a solar heat collector with which it is possible to coat the surface of a reflective substrate with a coating film that has excellent weather resistance and impact resistance, and has excellent adhesiveness and does not readily peel, and also a method for producing a reflective plate for a solar heat collector using this coating composition. The coating composition comprises (A) a fluoropolymer having a hydroxyl group value of 110 to 250 mg KOH/g-resin, (B) a polyester polymer having a hydroxyl group value of 100 to 300 mg KOH/g-resin, (C) a polyisocyanate curing agent, and (D) a solvent. Moreover, the method for producing the reflective plate for a solar heat collector involves coating the surface of the reflective substrate with this coating composition to form a coating layer and then removing the solvent (D) to form a coating film.

HARA YUJI (JP)
SAITO SHUN (JP)
MASUDA SHOU (JP)

PCT/JP2011/073012

April 12, 2012

October 05, 2011

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ASAHI GLASS CO LTD (JP)
HARA YUJI (JP)
SAITO SHUN (JP)
MASUDA SHOU (JP)

C09D7/12; C09D127/12; C09D167/00; C09D175/06

JPH10324843A	1998-12-08
JPS5864452A	1983-04-16
JPH05280807A	1993-10-29
JPS61218609A	1986-09-29
JP2007045849A	2007-02-22
JPH1033333A	1998-02-10
JP2010225785A	2010-10-05

See also references of EP 2626394A4

SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)

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