Polymeric pyridinium ylide and products prepared from same

Details Polymeric pyridinium ylide and products prepared from same Polymeric pyridinium ylide and products prepared from same

C - Chemistry, Metallurgy

08

F

402/478

C08F 246/00 (2006.01) G03F 7/038 (2006.01)

Patent

CA 1260649

ABSTRACT OF THE DISCLOSURE Novel photosensitive polymers containing pyridinium ylide moieties can be subjected to actinic irradiation to con- vert the pyridinium ylide moieties to water-insoluble or hydrophobic N-acyl-diazepine polymers. The polymeric pyridinium ylides can be used for the waterproofing or hydrophobization of surfaces and for the production of printing plates, photoresists, printed circuit boards and the like.

591570

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