STUDY OF PHOTOGENERATING ACID SYSTEM OF 4,4’- (N,N-DIMETHYLAMINO) BENZOPHENONE AND DIPHENYLIODONIUM SALT AND APPLICATION TO PRINTING PLATE

doi:10.7517/j.issn.1674-0475.2000.04.302

Abstract

Abstract: An efficient electron transfer process processded between 4,4’-bis(N,N’-dimethylamino) benzophenone(MK) and diphenyliodonium hexafluorophosphate when they were irradiated by high pressure Hg lamp, and the produced acid can catalyze the cross linking reaction between HMMM and the m cresol resin. Excellent results were obtained in making printing plate using this system. The resolution of the plate can reach 7μm and the halftone dot repetition was 2%. Also, the influence of some factors on the plate was investigated carefully.

Key words: electron transfer, photocatalyzed crossing, printing plate

CLC Number:

TQ57

GAO Fang, XU Jin-qi, LI Li-dong, FENG Shu, Jing, YANG Yong-yuan. STUDY OF PHOTOGENERATING ACID SYSTEM OF 4,4’- (N,N-DIMETHYLAMINO) BENZOPHENONE AND DIPHENYLIODONIUM SALT AND APPLICATION TO PRINTING PLATE[J]. Imaging Science and Photochemistry, 2000, 18(4): 302-307.

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STUDY OF PHOTOGENERATING ACID SYSTEM OF 4,4’- (N,N-DIMETHYLAMINO) BENZOPHENONE AND DIPHENYLIODONIUM SALT AND APPLICATION TO PRINTING PLATE

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