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Title:
POLYCARBONATE AND MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2019/188114
Kind Code:
A1
Abstract:
Provided are: a polycarbonate which has adequate refractive index and Abbe number, while being comprehensively excellent in terms of heat resistance, total light transmittance and hue; and a molded body of this polycarbonate. A polycarbonate which comprises a constituent unit represented by formula (I) and a constituent unit having a hydrocarbon group that comprises a cyclic structure. In formula (I), each of R1 and R2 independently represents a hydrocarbon group; and each R3 independently represents a hydrogen atom, a group containing a heteroatom, a group containing a halogen atom, a linear alkyl group having 1-6 carbon atoms, a branched alkyl group having 3-6 carbon atoms, or a group having 6-12 carbon atoms, which includes an aryl group.

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Inventors:
SHIRATAKE MUNENORI (JP)
ISHIHARA KENTARO (JP)
HIROSE KOJI (JP)
IKEDA SHINYA (JP)
KATO NORIYUKI (JP)
KONDO MITSUTERU (JP)
SUZUKI SHOKO (JP)
OSHIMA KENSUKE (JP)
NAGAYAMA SHUYA (JP)
KANDA MASAHIRO (JP)
Application Number:
PCT/JP2019/009298
Publication Date:
October 03, 2019
Filing Date:
March 08, 2019
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G64/00; G02B1/04
Domestic Patent References:
WO2016052476A12016-04-07
WO2018074305A12018-04-26
WO2014073496A12014-05-15
WO2018016516A12018-01-25
WO2016052370A12016-04-07
WO2017175693A12017-10-12
Foreign References:
JP2006232897A2006-09-07
JP2010077249A2010-04-08
JP2006232897A2006-09-07
JPH10251500A1998-09-22
JPH09268225A1997-10-14
JP2011162604A2011-08-25
JP2010077249A2010-04-08
Other References:
See also references of EP 3778698A4
Attorney, Agent or Firm:
SIKs & Co. (JP)
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