THERMOPLASTIC RESIN COMPOSITION FOR OPTICAL MATERIAL, MOLDED ARTICLE, COMPOUNDING AGENT, METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION, AND METHOD FOR IMPROVING TRANSMISSIVITY

WIPO Patent Application WO/2022/034898

A1

The problem is to provide: a thermoplastic resin composition of which the change in transmissivity, particularly the change in transmissivity in a short-wavelength region, upon the addition of an additive or the like can be reduced; and others.　The problem can be solved by a thermoplastic resin composition for an optical material, the thermoplastic resin composition containing a compounding agent represented by general formula (1). (In general formula (1), R1 to R5 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; R6 to R9 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; and R10 represents a hydrogen atom, or an alkyl group having 1 to 5 carbon atoms in total.)

KATO NORIYUKI (JP)
NISHIMORI KATSUSHI (JP)
IKEDA SHINYA (JP)
MOTEGI ATSUSHI (JP)
MURATA SHOKO (JP)
OCHI NORIAKI (JP)
KANDA MASAHIRO (JP)
NAGAI MASAYUKI (JP)
MORISHITA TAKAMI (JP)
IKEDA SHINICHI (JP)

PCT/JP2021/029647

February 17, 2022

August 11, 2021

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MITSUBISHI GAS CHEMICAL CO (JP)

C08L101/00; C08G63/197; C08G64/02; C08G64/06; C08K5/13; C08K5/1535; C08K5/42; C08K5/524; C08K5/53; C08L33/06; C08L45/00; C08L67/00; C08L69/00

WO2017078075A1	2017-05-11
WO2011062104A1	2011-05-26
WO2020138050A1	2020-07-02
WO1999067232A2	1999-12-29

JP2004131652A	2004-04-30
JP2004107371A	2004-04-08

See also references of EP 4198092A4

KOBAYASHI Hiroshi et al. (JP)

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