Title:
POLYCARBONATE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/011307
Kind Code:
A1
Abstract:
Disclosed are a polycarbonate and a preparation method therefor and an application thereof. The polycarbonate comprises at least one of structural units selected from a structural unit represented by formula (I) and a structural unit represented by formula (II). The polycarbonate provided by the present application has a high refractive index, and the obtained polycarbonate has a refractive index of 1.673-1.794, which can satisfy performance requirements of polycarbonate as an optical resin in optical components.
Inventors:
XU FEI (CN)
WANG HENG (CN)
ZHANG SUOJIANG (CN)
LI ZHENGKAI (CN)
ZHANG ZHENCAI (CN)
WANG HENG (CN)
ZHANG SUOJIANG (CN)
LI ZHENGKAI (CN)
ZHANG ZHENCAI (CN)
Application Number:
PCT/CN2022/108536
Publication Date:
February 09, 2023
Filing Date:
July 28, 2022
Export Citation:
Assignee:
INST PROCESS ENG CAS (CN)
International Classes:
C08G64/30; C08G64/16; G02B1/04
Foreign References:
| CN113480722A | 2021-10-08 | |||
| CN111484609A | 2020-08-04 | |||
| CN112961336A | 2021-06-15 | |||
| CN112175178A | 2021-01-05 | |||
| CN113072694A | 2021-07-06 | |||
| CN102307930A | 2012-01-04 | |||
| CN111094389A | 2020-05-01 | |||
| CN106029735A | 2016-10-12 | |||
| CN109476835A | 2019-03-15 | |||
| JP2017082039A | 2017-05-18 | |||
| JP2018184519A | 2018-11-22 | |||
| CN105085891A | 2015-11-25 | |||
| CN1946769A | 2007-04-11 | |||
| JP2006016498A | 2006-01-19 | |||
| JP2017210569A | 2017-11-30 | |||
| JP2002255929A | 2002-09-11 |
Other References:
SHEN FAN, WANG KUN; YAN DAO-REN; ZHANG ZHI-YONG; GUAN JIN-TAO; ZHANG KAI-CHENG; DAI ZHI-QUN: "Progress on Sulfur-containing Resin Optical Material with High Refractive Index", CHEMICAL WORLD, SHANGHAISHI HUAXUE HUAGONG XUEHUI-WUXI INSTITUTE OF LIGHT INDUSTRY, 214086, CN, vol. 57, no. 7, 25 July 2016 (2016-07-25), CN , pages 457 - 464, XP093031465, ISSN: 0367-6358, DOI: 10.19500/j.cnki.0367-6358.2016.07.014
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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