Irradiation-curable silicone compositions, photo-active platinum

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

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522 99, 522 29, 528 15, 528 31, 556 9, 556 11, 556 12, 556136, G08G 7750, C08J 328, C08F 480, C07F 1702, C07F 708

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061274461

ABSTRACT:
Cyclopentadienylplatinum (IV) compounds having a trisubstituted-silyl aliphatic group attached to platinum by carbon-platinum linkages have been found to be photo-active and effective as hydrosilylation catalysts in irradiation-curable silicone mixtures.

REFERENCES:
patent: 4510094 (1985-04-01), Drahnak
patent: 4600484 (1986-07-01), Drahnak
patent: 4916169 (1990-04-01), Boardman et al.
patent: 5659054 (1997-08-01), Wilson
patent: 5776997 (1998-07-01), Hafner et al.
"Reactions of (.pi.-1,5-cyclooctadiene)organoplatinum(II) Compounds and the Synthesis of Perfluoroalkylpatinum Complexes", by H.C. Clark et al., Journal of Organometallic Chemistry, 59 (1973) 411-428.
"195Pt NMR Study of (.eta.5-Cyclopentadienyl)trialkylplantinum(IV) Complexes", by L.D. Boardman et al., Magnetic Resonance in Chemistry, voo. 30, 481-489 (1992).
"(.eta.5-Cyclopentadienyl)trialkylplatinum Photohydrosilylation Catalysts. Mechanism of Active Catalyst Formation and Preparation of a Novel Bis(silyl)platinum Hydride", by L.D. Boardman, Organometallics 1992,11, 4194-4201.

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