Title:
POLYURETHANE AND AQUEOUS POLYURETHANE RESIN
Document Type and Number:
Japanese Patent JP2005255860
Kind Code:
A
Abstract:
To provide an aqueous polyurethane resin excellent in water resistance, storage stability and the like, and to provide a polyurethane used for the resin.
There are provided the following (1)-(3) and the like: (1) a polyurethane comprising structural units represented by general formula (I) (wherein R1, R2, R3, R4, R5 and R6 are each a hydrogen atom or a lower alkyl, but at least one of R1, R2, R3, R4, R5 and R6 is a lower alkyl) and acid groups neutralized with a basic compound; (2) a polyurethane in which the acid group is a carboxyl group, a sulfo group or a phosphono group; and (3) a polyurethane in which the acid group is a carboxy group.
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Inventors:
MURAYAMA SHUNICHI
NAKANO YOSHIO
NAKANO YOSHIO
Application Number:
JP2004069973A
Publication Date:
September 22, 2005
Filing Date:
March 12, 2004
Export Citation:
Assignee:
KYOWA HAKKO CHEMICAL CO LTD
International Classes:
C08G18/66; C09D175/04; C09J175/04; (IPC1-7): C08G18/66; C09D175/04
Domestic Patent References:
JPH0770514A | 1995-03-14 | |||
JP2003183347A | 2003-07-03 | |||
JP2003055431A | 2003-02-26 |
Foreign References:
WO2003064497A1 | 2003-08-07 |
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