Title:
LIQUID COPOLYMER FORMED BY RING-OPENING COPOLYMERIZATION OF CYCLOPENTENE, CROSSLINKABLE COMPOSITION, AND CROSSLINKED RUBBER OBJECT
Document Type and Number:
WIPO Patent Application WO/2019/065178
Kind Code:
A1
Abstract:
Provided is a liquid copolymer formed by ring-opening copolymerization of cyclopentene, the copolymer comprising monomer units derived from cyclopentene and monomer units derived from a norbornene compound, wherein the content of the cyclopentene-derived monomer units is 60-95 wt%. The copolymer includes a hydroxyl group at a terminal of the copolymer chain and has a melt viscosity, as measured at a temperature of 25°C with a Brookfield viscometer, of less than 500 Pa∙s.
Inventors:
TSUNOGAE YASUO (JP)
Application Number:
PCT/JP2018/033411
Publication Date:
April 04, 2019
Filing Date:
September 10, 2018
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08G61/08; C08G18/64; C08L65/00
Domestic Patent References:
WO2011087071A1 | 2011-07-21 | |||
WO2018079603A1 | 2018-05-03 |
Foreign References:
JP2011126966A | 2011-06-30 | |||
JP2010116458A | 2010-05-27 | |||
JP2002220440A | 2002-08-09 | |||
JPH11514043A | 1999-11-30 | |||
JP2009528434A | 2009-08-06 |
Other References:
See also references of EP 3689938A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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