Siloxane photoinitiators with aryoyl formate groups

Details Siloxane photoinitiators with aryoyl formate groups Siloxane photoinitiators with aryoyl formate groups

1984-04-19

1985-03-26

Marquis, Melvyn I.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415914, 20415915, 20415922, 20415916, 20415917, 528 25, 528 26, 528 33, 556437, 556440, C08F 246

Patent

active

045071870

ABSTRACT:
Polyorganosiloxane photoinitiators containing aryoyl formate photomoieties bonded to silicon atoms via non-hydrolyzable Si-C bonds. They may be prepared from alkenyl or alkynyl aryoyl formates and polyorganosiloxanes containing silicon hydride groups via hydrosilation. They are effective photoinitiators for photocurable silicone resins and for ethylenically unsaturated monomers, producing cured films with good weatherability and low temperature flexibility.

REFERENCES:
patent: 4273907 (1981-06-01), Takamizawa et al.
patent: 4391963 (1983-07-01), Shirahata

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