ABSORPTIVE COMPOSITION FOR INFRARED RAY AND ABSORPTIVE RESIN COMPOSITION FOR INFRARED RAY

WIPO Patent Application WO/2005/030898

A1

An absorptive composition for an infrared ray which comprises an infrared ray absorbing agent comprising a di-valent ionic copper compound and a preventive agent for blackening comprising a metal salt compound; an absorptive resin composition for an infrared ray which comprises a resin component and the above infrared ray absorbing agent and preventive agent for blackening; and articles prepared by the application of the composition or the resin composition. The di-valent ionic copper compound is preferably a phosphorus-containing copper compound. The metal salt compound as the preventive agent for blackening is a compound comprising a metal selected from among an alkali metal, an alkaline earth metal and a transition metal. The absorptive composition for an infrared ray has the above infrared ray absorbing agent, is inhibited or suppressed in the blackening phenomenon due to an ultraviolet ray, and exhibits excellent transmittance of a visible light and excellent absorptivity for an infrared ray over a long period of time with stability. The above applied articles include a formed article, a sheet, a film, an intermediate film for a laminated glass, a composite having adsorptive property for an infrared ray and a window material.

UEDA RUMI (JP)
KOBAYASHI YUTAKA (JP)

PCT/JP2004/013714

April 07, 2005

September 14, 2004

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KUREHA CHEMICAL IND CO LTD (JP)
UEDA RUMI (JP)
KOBAYASHI YUTAKA (JP)

G02B5/22; (IPC1-7): C09K3/00; C08K3/00; C08L29/14; C08L101/00; G02B5/22

JPH06207161A	1994-07-26
JPH09211220A	1997-08-15
JP2002097041A	2002-04-02

Ohi, Masahiko (4 Kanda Surugadai 3-chom, Chiyoda-ku Tokyo, JP)

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