A new class of amine coinitiators in photoinitiated...

Details A new class of amine coinitiators in photoinitiated... A new class of amine coinitiators in photoinitiated...

C - Chemistry, Metallurgy

08

F

C08F 2/50 (2006.01) C09D 4/00 (2006.01) G03F 7/029 (2006.01)

Patent

CA 2479942

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.

L'invention concerne une nouvelle classe d'amines incorporée dans des systèmes photopolymérisables utilisant des photoamorceurs type I ou type II. Ces amines sont des trialkylamines dont la molécule compte un total de 10 à environ 36 atomes de carbone et dont au moins un groupe alkyle possède une longueur de chaîne d'au moins 8 atomes de carbone. De préférence, un ou deux groupes alkyle sont méthyle ou éthyle ou un de chaque. Des amines à chaîne courte telles que définies dans le descriptif donnent de résultats synergiques lorsqu'elles sont utilisées avec de tels trialkylamines.

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