| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a resin composition for an optical material excellent in resin strength and balanced among refractive index, Abbe's number, heat resistance, and specific gravity. <P>SOLUTION: The polymerizable composition comprises an isocyanate compound of formula (1), an isocyanate compound containing a compound selected from the group consisting of compounds of formula (2) and (3), a polythiol compound, and a (poly)hydroxy(poly)mercapto compound. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
