Title:
RUBBER PARTICLES, COMPOSITE PARTICLES, AND MANUFACTURING METHODS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/058383
Kind Code:
A1
Abstract:
Provided are: rubber particles having high degradability and containing a polyorgano-siloxane structure; composite particles; and manufacturing methods for these particles. The rubber particles are made of a polymer containing a structural unit derived from a silicone-polyester copolymer (A) having, in one molecule, at least two radically polymerizable unsaturated groups. In the composite particles, the surface of the rubber particles is coated with polyorgano-silsesquioxane and/or silica.
Inventors:
OKABE SHOJI (JP)
OKI TAKAHITO (JP)
INOKUCHI YOSHINORI (JP)
TAKEWAKI KAZUYUKI (JP)
AOKI SHUNJI (JP)
OKI TAKAHITO (JP)
INOKUCHI YOSHINORI (JP)
TAKEWAKI KAZUYUKI (JP)
AOKI SHUNJI (JP)
Application Number:
PCT/JP2022/033359
Publication Date:
April 13, 2023
Filing Date:
September 06, 2022
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C08F299/08; C08G77/38; C08G77/445
Foreign References:
| JP2009149880A | 2009-07-09 | |||
| JP2013065768A | 2013-04-11 | |||
| JP2019502771A | 2019-01-31 | |||
| JP2017206626A | 2017-11-24 | |||
| JP2007332213A | 2007-12-27 | |||
| JPH0987338A | 1997-03-31 | |||
| JPS6243412A | 1987-02-25 | |||
| JPS617333A | 1986-01-14 | |||
| JPH07196815A | 1995-08-01 | |||
| JPH04348143A | 1992-12-03 | |||
| JP2001040214A | 2001-02-13 | |||
| JPH10182987A | 1998-07-07 |
Other References:
ZHANG DAWEI, GIESE MELISSA L., PRUKOP STACY L., GRUNLAN MELISSA A.: "Poly(ε-caprolactone)-based shape memory polymers with variable polydimethylsiloxane soft segment lengths : PCL-Based Shape Memory Polymers", JOURNAL OF POLYMER SCIENCE PART A: POLYMER CHEMISTRY, JOHN WILEY & SONS, INC., US, vol. 49, no. 3, 1 February 2011 (2011-02-01), US , pages 754 - 761, XP093056505, ISSN: 0887-624X, DOI: 10.1002/pola.24488
Attorney, Agent or Firm:
USHIKI & ASSOCIATES (JP)
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