Class of amine coinitiators in photoinitiated polymerizations

Details Class of amine coinitiators in photoinitiated polymerizations Class of amine coinitiators in photoinitiated polymerizations

2007-11-20

2007-11-20

Berman, Susan (Department: 1711)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Polymerizing, cross-linking, or curing

C428S511000, C522S002000, C522S014000, C522S028000, C522S103000, C522S182000

Reexamination Certificate

active

10511508

ABSTRACT:
A new class of amines is incorporated into phtopolymerizable systems employing type I or type II photoinitiators. These amines are trialkylamines having a total of 10 to about 36 carbon atoms in the molecule and wherein at least one alkyl group has a chain length of at least 8 carbon atoms. Preferably, one or two of the alkyl groups are methyl or ethyl or one of each. Short chain amines as defined herein provide synergistic results when used with such trialkylamines.

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