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Title:
METHACRYLIC RESIN, MOULDED ARTICLE, OPTICAL COMPONENT OR AUTOMOTIVE COMPONENT
Document Type and Number:
WIPO Patent Application WO/2020/013203
Kind Code:
A1
Abstract:
Provided are: a methacrylic resin having a cyclic structure as a main chain, characterised in that the glass transition temperature is more than 120°C and less than or equal to 160°C, and the sign of orientation birefringence during orientation such that the degree of orientation is 0.03 and the sign of orientation birefringence during orientation such that the degree of orientation is 0.08 are different; a moulded article; and an optical component or automotive component.

Inventors:
YOSHIDA JUNICHI (JP)
TADA YUTAKA (JP)
NAKATA TAKUTO (JP)
KAZUNORI MIYUKI (JP)
Application Number:
PCT/JP2019/027217
Publication Date:
January 16, 2020
Filing Date:
July 09, 2019
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08F220/18; C08F8/16; C08F222/40; C08L33/10
Domestic Patent References:
WO2011149088A12011-12-01
WO2015098980A12015-07-02
WO2015098775A12015-07-02
WO2011149088A12011-12-01
WO2012114718A12012-08-30
WO2014002491A12014-01-03
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Other References:
"Review of Chemistry", 1998, PUBLISHING CENTER OF THE CHEMICAL SOCIETY OF JAPAN
POLYMER ENGINEERING AND SCIENCE, vol. 39, 1999, pages 2349 - 2357
See also references of EP 3822295A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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