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Title:
DISPERSING AGENT FOR INORGANIC NITRIDES AND INORGANIC NITRIDE DISPERSION COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2018/074349
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a dispersing agent for inorganic nitrides which is capable of well dispersing microparticles of an inorganic nitride such as boron nitride in a dispersion medium such as an organic solvent and which has a high heat resistance. The dispersing agent according to the present invention for inorganic nitrides comprises a block copolymer which comprises: block chain (A) containing a repeating unit having a carboxyl group; and block chain (B) containing at least one member selected from the group consisting of a repeating unit represented by formula [II] (in formula [II]: R21 represents a hydrogen atom or a C1-6 alkyl group; X2 represents -NH- or -O-; and R22 represents a hydrocarbon group) and a repeating unit represented by formula [III] (in formula [III]; R3 1 represents a hydrogen atom or a C1-6 alkyl group; X3 represents -NH- or -O-; and R3 2 represents a group having an etheric oxygen atom), provided that the block copolymer is free from a tertiary amino group or a quaternary ammonium base.

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Inventors:
OKADO TOSHIAKI (JP)
OSUMI SHOTA (JP)
Application Number:
PCT/JP2017/037141
Publication Date:
April 26, 2018
Filing Date:
October 13, 2017
Export Citation:
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Assignee:
NIPPON SODA CO (JP)
International Classes:
C08F297/02; C08F290/06; C08K3/28; C08L53/00; C09C3/00
Domestic Patent References:
WO2015040924A12015-03-26
Foreign References:
JP2001509770A2001-07-24
JP2016053161A2016-04-14
JP2016052613A2016-04-14
JPH06207076A1994-07-26
JP2016513144A2016-05-12
US20130041082A12013-02-14
JP2011098323A2011-05-19
JP2008174504A2008-07-31
JP2008018368A2008-01-31
JPH09503243A1997-03-31
Attorney, Agent or Firm:
HIROTA, Masanori (JP)
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