发明名称 |
Polymerizable composition for optical material, optical material and method for producing optical material |
摘要 |
A polymerizable composition for an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane. |
申请公布号 |
US9505872(B2) |
申请公布日期 |
2016.11.29 |
申请号 |
US200912863790 |
申请日期 |
2009.02.06 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
Ryu Akinori;Kobayashi Seiichi |
分类号 |
C08G18/38;G02B1/04;C08G18/72;C08G18/73;C08G18/76 |
主分类号 |
C08G18/38 |
代理机构 |
Buchanan, Ingersoll & Rooney PC |
代理人 |
Buchanan, Ingersoll & Rooney PC |
主权项 |
1. A polymerizable composition for an optical material comprising tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane,
wherein the amount of tolylene diisocyanate is 35.9 wt % to 70.7 wt % and the amount of hexamethylene diisocyanate is 29.3 wt % to 64.1 wt % based on the total amount of isocyanate compounds in the composition. |
地址 |
Tokyo JP |