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Title:
COPOLYMER, ELASTOMER SPHERICAL PARTICLES, LIQUID DISPERSION OF ELASTOMER SPHERICAL PARTICLES, AND METHODS FOR PRODUCING THESE
Document Type and Number:
WIPO Patent Application WO/2023/238840
Kind Code:
A1
Abstract:
Provided are: a copolymer that has high degradability by outside stimulation such as light and has a polyester structure and a polyether structure, preferably a polyester-polyether copolymer that has at least two radical polymerizable unsaturated groups per molecule; elastomer spherical particles having a structural unit derived from the copolymer; and a method for producing the elastomer spherical particles.　A copolymer that has a polyester structure and a polyether structure; and elastomer spherical particles having a volume-average grain diameter of 0.5-200 μm, the elastomer spherical particles being composed of a polymer having a structural unit derived from a copolymer that has a polyester structure and a polyether structure.

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Inventors:
OKI TAKAHITO (JP)
AOKI SHUNJI (JP)
ONO ICHIRO (JP)
Application Number:
PCT/JP2023/020919
Publication Date:
December 14, 2023
Filing Date:
June 06, 2023
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C08F299/02; C08F2/08; C08F2/24
Domestic Patent References:
WO2022087464A12022-04-28
WO2018151161A12018-08-23
WO2018134921A12018-07-26
WO2012086569A12012-06-28
Foreign References:
CN109232838A2019-01-18
US20210178027A12021-06-17
JP2015083668A2015-04-30
JP2008506021A2008-02-28
JP2007325910A2007-12-20
JP2007262119A2007-10-11
JP2003261658A2003-09-19
JPH06199962A1994-07-19
JP2019199596A2019-11-21
JP2018514638A2018-06-07
JP2002220473A2002-08-09
JP2004091767A2004-03-25
JP2000327793A2000-11-28
Attorney, Agent or Firm:
USHIKI & ASSOCIATES (JP)
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