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Title:
METHACRYLIC COPOLYMER, METHACRYLIC RESIN COMPOSITION AND METHOD FOR PRODUCING SAME, AND MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2022/202965
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a methacrylic resin composition having high transparency, low haze, high heat resistance, high elastic modulus, and low water absorptivity; and a molded body.　Provided is a methacrylic copolymer comprising: 5-96 mass% methyl methacrylate units; 1-70 mass% structural units (R) having at least one ring structure selected from a glutaric anhydride unit and N-substituted glutarimide units represented by formula (I) in the main chain; 1-48 mass% α-methylstyrene units; and 1-48 mass% styrene units. (In formula (I), R1 and R2 are as described in the specification.)

Inventors:
NOMOTO YUSAKU (JP)
KAINO MASAFUMI (JP)
NAKAMURA KIMITOSHI (JP)
Application Number:
PCT/JP2022/013845
Publication Date:
September 29, 2022
Filing Date:
March 24, 2022
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
C08F8/48; C08F8/30; C08L33/12; G02B1/04
Domestic Patent References:
WO2021235393A12021-11-25
WO2021193922A12021-09-30
WO2005010838A12005-02-03
Foreign References:
JPH01315461A1989-12-20
JPH01261445A1989-10-18
JPH06136216A1994-05-17
US2416209A1947-02-18
US4246374A1981-01-20
JP2000230016A2000-08-22
JP2001151814A2001-06-05
JP2002120326A2002-04-23
JP2002254544A2002-09-11
JP2005146084A2005-06-09
JP2007197703A2007-08-09
JP2010096919A2010-04-30
JP2008274742A2008-11-13
JP2008273140A2008-11-13
JP2008274187A2008-11-13
JPS6126924A1986-02-06
JP2001329021A2001-11-27
JP2005023272A2005-01-27
JP2003231785A2003-08-19
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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