| 摘要 |
<p>This polymerizable composition comprises (A) an isocyanate compound, (B) at least one thiol compound selected from 4,8 or 4,7 or 5,7-dimercaptomethyl-1, 11-dimercapto-3,6,9-trithiaundecane, 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, pentaerythritol tetrakis(mercaptoacetate), pentaerythritol tetrakis(mercaptopropionate), 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulphide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis (mercaptomethylthio)-1,3-dithiane, and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, and (C) an organic strong base salt.</p> |
