| 摘要 |
<P>PROBLEM TO BE SOLVED: To further improve weather resistance of a conventional episulfide resin improved in brittleness and impact resistance. <P>SOLUTION: The polymerizable composition comprises (a) a compound represented by formula (1) (wherein Y is a 1-4C substituted or unsubstituted, linear or branched hydrocarbon group or a 3-6C cyclic hydrocarbon group, a substituted or unsubstituted 1, 4-dithiane group, an arylene group or an aralkylene group; m is an integer of 0-2; and n is an integer of 0-3), (b) at least one compound bearing 2-4 mercapto groups and at least one sulfide bond in the molecule, (c) at least one compound bearing an aliphatic isocyanate group and having a cyclic skeleton, and (d) p-toluenesulfonamide. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
