Title:
POLYTHIOL COMPOSITION AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/147792
Kind Code:
A1
Abstract:
The invention relates to the technical field of optical resin, in particular to a polythiol composition and a use thereof. The polythiol composition comprises a thiol compound represented by formula (1) and 2,3-dithio (2-mercapto)-1-propane mercaptan, wherein the mass content of the compound represented by formula (1) in the composition is 0.01-3.0%. Further, the polythiol composition may be used alone or mixed with other polythiol compounds, in the presence of a catalyst with one or more polyisocyanates, for preparing an optical material. The optical material has excellent optical properties.
Inventors:
SUN ZHILI (CN)
LIANG WANGEN (CN)
CUI WEIHUA (CN)
XU QIANQIAN (CN)
FEI XIAOYAO (CN)
BIAN WEN (CN)
LIANG WANGEN (CN)
CUI WEIHUA (CN)
XU QIANQIAN (CN)
FEI XIAOYAO (CN)
BIAN WEN (CN)
Application Number:
PCT/CN2023/089138
Publication Date:
August 10, 2023
Filing Date:
April 19, 2023
Export Citation:
Assignee:
EFIRM NEW MAT CO LTD (CN)
International Classes:
C08G18/38; G02B1/04
Domestic Patent References:
| WO2016052121A1 | 2016-04-07 | |||
| WO2018075848A1 | 2018-04-26 | |||
| WO2021201459A1 | 2021-10-07 |
Foreign References:
| CN114790269A | 2022-07-26 | |||
| CN111632403A | 2020-09-08 | |||
| CN112266760A | 2021-01-26 | |||
| CN109851754A | 2019-06-07 | |||
| CN101786017A | 2010-07-28 | |||
| KR20190060420A | 2019-06-03 | |||
| KR20190060706A | 2019-06-03 |
Attorney, Agent or Firm:
SHANDONG QIZHI INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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