Stabilization of thiolene compositions

Details Stabilization of thiolene compositions Stabilization of thiolene compositions

C - Chemistry, Metallurgy

08

L

C08L 45/00 (2006.01) B29C 67/00 (2006.01) C08G 75/04 (2006.01) C08L 81/00 (2006.01) G03F 7/00 (2006.01) G03F 7/027 (2006.01)

Patent

CA 2060521

STABILIZATION OF THIOLENE COMPOSITIONS Abstract Of The Disclosure A combination of free radical inhibitor and an active iodine species selected from the group consisting of molecular iodine, iodide ion, and mixturesthereof provides synergistic stabilization of thiol-ene compositions which cure by addition of thiol groups to olefinic carbon-carbon double bonds. The combinationis particularly suitable for thiol-ene formulations employing norbornenyl functional polyenes. A preferred stabilization system employs an N-nitrosoarylhydroxylaminesalt and a mixture of an alkali iodide and 12 in the range of 0.6-1 mole 12 per equivalent 1".

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