Photoinitiator composition including hindered amine stabilizer

Details Photoinitiator composition including hindered amine stabilizer Photoinitiator composition including hindered amine stabilizer

1998-01-06

1999-10-26

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 31, 522 26, 522148, 522170, 522 99, 525 40, C08F 246

Patent

active

059730200

ABSTRACT:
The present invention relates to a photoinitiator composition that can be used to initiate polymerization upon exposure to radiation. The said composition includes both a composition which yields cations upon exposure to actinic radiation, such as an iodonium borate initiator and a stabilizing amino agent. The amino agent is a secondary or tertiary amine having the general formula (VIII), a sterically arranged cyclic amine having the general formula (IX), or an amine consisting of groups that have the general formulas (VIII) and (IX) and that are interconnected. ##STR1## The compositions are particularly useful when used in conjunction with polyorganosiloxane monomers and when exposed to ultraviolet radiation.

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