Title:
BINDER FOR PRODUCTION OF INORGANIC SINTERED BODY
Document Type and Number:
WIPO Patent Application WO/2017/104820
Kind Code:
A1
Abstract:
The present invention provides: a binder for the production of an inorganic sintered body, which has excellent thermal decomposability and enables, if particularly used as a binder for a ceramic green sheet, the achievement of a ceramic green sheet that has sufficient mechanical strength and flexibility and is capable of maintaining excellent sheet characteristics over a long period of time, while being not susceptible to moisture adsorption; a paste for the production of an inorganic sintered body, which uses this binder for the production of an inorganic sintered body; and a molded ceramic green body. The present invention is a binder for the production of an inorganic sintered body, which contains a graft copolymer having a unit that is composed of a polyvinyl butyral and a unit that is composed of a poly(meth)acrylic acid, and wherein: the polyvinyl butyral has a polymerization degree of 800-5,000, a hydroxyl group amount of 20-40% by mole and a butyralization degree of 60-80% by mole; and the unit that is composed of a poly(meth)acrylic acid has a glass transition temperature of -65°C or more but less than 0°C.
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Inventors:
NAGAI YASUHARU (JP)
Application Number:
PCT/JP2016/087603
Publication Date:
June 22, 2017
Filing Date:
December 16, 2016
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C04B35/634; C04B35/626; C04B38/06; C08F261/12
Domestic Patent References:
WO2014156214A1 | 2014-10-02 | |||
WO2006100806A1 | 2006-09-28 |
Foreign References:
JPH06237054A | 1994-08-23 | |||
JP2013121906A | 2013-06-20 | |||
JP2004331413A | 2004-11-25 | |||
JP2001172553A | 2001-06-26 |
Other References:
See also references of EP 3392225A4
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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