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Title:
COMPOSITION AND POSITIVE-ELECTRODE BINDER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2018/230599
Kind Code:
A1
Abstract:
In order to provide a flexible composition, the present invention provides a composition containing a graft copolymer in which a monomer having (meth)acrylonitrile and a (meth)acrylate ester as main components thereof is graft-copolymerized with a main-chain polymer having a polyvinyl alcohol, the degree of saponification of the polyvinyl alcohol being 50-100 mol%, the content of the polyvinyl alcohol being 5-50% by mass, the total amount of the (meth)acrylonitrile monomer units and the (meth)acrylate ester monomer units being 50-95% by mass, the content of the (meth)acrylonitrile monomer units in a total of 100% by mass of the (meth)acrylonitrile monomer units and the (meth)acrylate ester monomer units being 20-95% by mass, the content of the (meth)acrylate ester monomer units in a total of 100% by mass of the (meth)acrylonitrile monomer units and the (meth)acrylate ester monomer units being 5-80% by mass, and the (meth)acrylate ester being a monomer whereby the glass transition temperature of a poly(meth)acrylate ester homopolymer composed solely of the (meth)acrylate ester is 150-300 K.

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Inventors:
NAKANISHI SOICHIRO (JP)
NARUTOMI TAKUYA (JP)
INOUE KYOICHI (JP)
SUZUKI SHIGERU (JP)
WATANABE JUN (JP)
Application Number:
PCT/JP2018/022556
Publication Date:
December 20, 2018
Filing Date:
June 13, 2018
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C08F261/04; C08K3/04; C08K3/10; C08L51/00; H01M4/131; H01M4/1391; H01M4/505; H01M4/525; H01M4/62
Domestic Patent References:
WO2015053224A12015-04-16
WO2017104178A12017-06-22
WO2017154949A12017-09-14
WO2018021073A12018-02-01
Foreign References:
JPS4948190A1974-05-10
JP2010520591A2010-06-10
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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