Title:
POLYCARBONATE RESIN COMPOSITION, PRODUCTION METHOD THEREFOR, AND OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2019/146507
Kind Code:
A1
Abstract:
The present invention provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present invention comprises a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm.
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)
ISHIHARA KENTARO (JP)
HIROSE KOJI (JP)
IKEDA SHINYA (JP)
KATO NORIYUKI (JP)
KONDO MITSUTERU (JP)
SUZUKI SHOKO (JP)
OSHIMA KENSUKE (JP)
NAGAYAMA SHUYA (JP)
Application Number:
PCT/JP2019/001375
Publication Date:
August 01, 2019
Filing Date:
January 18, 2019
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08L69/00; C08G64/04; C08K5/13; C08K5/51; G02B1/04
Domestic Patent References:
| WO2009014050A1 | 2009-01-29 | |||
| WO2018016516A1 | 2018-01-25 | |||
| WO2007142149A1 | 2007-12-13 |
Foreign References:
| JP2017179323A | 2017-10-05 | |||
| JP2017020043A | 2017-01-26 | |||
| JP2018104691A | 2018-07-05 | |||
| JPH0625398A | 1994-02-01 | |||
| JPS5442800B2 | 1979-12-15 |
Other References:
See also references of EP 3744791A4
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
Download PDF: