Title:
THERMOPLASTIC RESIN AND OPTICAL MEMBER CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2021/014962
Kind Code:
A1
Abstract:
[Problem] The purpose of the present invention is to provide a thermoplastic resin that achieves a balance between high refractive index and high fluidity. [Solution] This thermoplastic resin contains a repeating unit represented by formula (1) and has a refractive index of 1.640-1.740 at a wavelength of 589 nm. Formula (1) (In the formula, R1 and R2 each independently denote a hydrogen atom, a halogen atom or a C1-14 hydrocarbon group that may include an aromatic ring; L1 and L2 each independently denote a divalent linking group; j and k each independently denote an integer of 0 or more; m and n each independently denote 0 or 1; W is at least one type selected from among the group represented by formula (2) or formula (3).) Formulae (2) and (3) (In the formulae, X denotes a divalent linking group.)
Inventors:
OYAMA TATSUYA (JP)
YAMADA KYOSUKE (JP)
MATSUI MANABU (JP)
YANAGIDA TAKATSUNE (JP)
TOMONARI YASUHIKO (JP)
YAMADA KYOSUKE (JP)
MATSUI MANABU (JP)
YANAGIDA TAKATSUNE (JP)
TOMONARI YASUHIKO (JP)
Application Number:
PCT/JP2020/026545
Publication Date:
January 28, 2021
Filing Date:
July 07, 2020
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
C08G64/00; C08G64/16; G02B1/04; G02B3/00
Domestic Patent References:
| WO2019044214A1 | 2019-03-07 | |||
| WO2015170691A1 | 2015-11-12 | |||
| WO2017078071A1 | 2017-05-11 |
Foreign References:
| JP2017179323A | 2017-10-05 | |||
| JP2018059074A | 2018-04-12 | |||
| JP2014185325A | 2014-10-02 | |||
| JP2017088875A | 2017-05-25 |
Attorney, Agent or Firm:
TAMEYAMA Taro (JP)
Download PDF: