COATING COMPOSITION FOR UNDERCOATING - TOYO SEIKAN KAISHA LTD

Title:

COATING COMPOSITION FOR UNDERCOATING

Document Type and Number:

WIPO Patent Application WO/2011/078366

Kind Code:

A1

Abstract:

Provided is a coating composition for undercoating which can, in the case of forming a gas barrier layer, that has a crosslinked structure between a polycarboxylic acid-based polymer and a polyvalent metal ion, by heating at a low temperature for a short period of time, easily and quickly supply the polyvalent metal ion to the polycarboxylic acid-based polymer over the whole gas barrier layer. The coating composition comprises, as the main components, a non-aqueous polyester polyol, an isocyanate compound and an alkaline compound of a polyvalent metal capable of serving as an ion source for forming the aforesaid crosslinked structure, characterized in that: (a) said non-aqueous polyester polyol comprises, as an essential component, a non-aqueous polyester polyol containing a metallic element in the resin skeleton thereof; and (b) said alkaline compound of a polyvalent metal has an average primary particle diameter being in the range of 0.005-0.5 μm.

Inventors:

OBU YUSUKE (JP)
KAWAI KASHIKO (JP)
MIYAI TOMOHIRO (JP)
NANGOU SHUNYA (JP)
HIDAKA TAKAHIRO (JP)
MASUDA HIDEKI (JP)

Application Number:

PCT/JP2010/073454

Publication Date:

June 30, 2011

Filing Date:

December 24, 2010

Export Citation:

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Assignee:

TOYO SEIKAN KAISHA LTD (JP)
KANSAI PAINT CO LTD (JP)
OBU YUSUKE (JP)
KAWAI KASHIKO (JP)
MIYAI TOMOHIRO (JP)
NANGOU SHUNYA (JP)
HIDAKA TAKAHIRO (JP)
MASUDA HIDEKI (JP)

International Classes:

C09D175/06; B05D7/24; B32B27/40; C09D5/00; C09D7/61

Domestic Patent References:

WO2010001836A1	2010-01-07
WO2009041500A1	2009-04-02
WO2003091317A1	2003-11-06

Foreign References:

JP2005272757A	2005-10-06
JP2006219518A	2006-08-24

Other References: