Derivatives of aryl ketones and p-dialkyl-...

Details Derivatives of aryl ketones and p-dialkyl-... Derivatives of aryl ketones and p-dialkyl-...

C - Chemistry, Metallurgy

08

F

400/1301, 96/172

C08F 2/50 (2006.01)

Patent

CA 1131395

Abstract Photopolymerizable compositions comprising a photopolymerizable monomer, an initiator, e.g., hexa- arylbiimidazole and a sensitizing amount of a selected compound derived from aryl ketones and p-dialkylamino- arylaldehydes. The photopolymerizable compositions which optionally contain inert components such as organic polymeric binders, solvents, etc. are photoactivated in the visible region of the spectrum. The photopolymeriz- able compositions are useful in lithographic and letter press printing plates, engineering drafting films, litho- graphic films, photoresists and solder masks.

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