AQUEOUS COATING COMPOSITION

WIPO Patent Application WO/2010/084833

A1

Disclosed is an aqueous coating composition for outer surfaces of cans, which can provide coating film hardness and water resistance required for use in the coating of outer surfaces of cans from the viewpoint of the protection of the global environment, is widely applicable to the coating of cans including the coating of two-piece cans which requires a relatively mild processing process as well as the coating of bottle cans which requires a severe processing process, and therefore has high processing performance.  The aqueous coating composition is characterized by comprising a polyester resin (A) containing a carboxyl group, an amino resin (B) and a phosphoric acid compound (C), wherein the polyester resin (A) has a number average molecular weight of 1000 to 10000 and an acid value of 10 to 50 mgKOH/g and the amino resin (B) comprises a high-ether-type benzoguanamine resin having a number average molecular weight of 300 to 1000.

KOBA SYOUHEI (JP)
NOMURA YOSHIAKI (JP)
YAMASHITA TOMOFUMI (JP)
OCHI MAMORU (JP)
OBAYASHI RYOICHI (JP)
OE NOBUHIRO (JP)

PCT/JP2010/050464

July 29, 2010

January 18, 2010

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DAINIPPON INK & CHEMICALS (JP)
KOBA SYOUHEI (JP)
NOMURA YOSHIAKI (JP)
YAMASHITA TOMOFUMI (JP)
OCHI MAMORU (JP)
OBAYASHI RYOICHI (JP)
OE NOBUHIRO (JP)

C09D161/20; C09D7/12; C09D167/00

JPH02212570A	1990-08-23
JP2005307040A	2005-11-04
JPH07242854A	1995-09-19
JP2000044870A	2000-02-15
JPH07331166A	1995-12-19
JP2006306939A	2006-11-09

KONO MICHIHIRO (JP)
Michihiro Kono (JP)

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