Onium salt, photopolymerization initiator, energy ray-curing com

Details Onium salt, photopolymerization initiator, energy ray-curing com Onium salt, photopolymerization initiator, energy ray-curing com

1994-06-08

1996-03-26

Berman, Susan W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 11, 522 15, 522 25, 522168, 522170, 522173, 522181, 568 6, 568 15, 568 16, 568 17, 568 34, 568 35, 568 74, 568 75, 568 77, C08F 250, C08F 1632, C08F 1622, C08G 5918

Patent

active

055020836

ABSTRACT:
The composition of the present invention is excellent in compatibility, transparency and curability and give a cured coat of excellent gloss and of less smell, and cured products of excellent properties can be obtained by curing the composition.
The present invention relates to an onium salt represented by the following formula (1): ##STR1## wherein Ar is a mono- to tetra-valent aromatic group, X is a bisphenylsulfonio group which may have a substituent, a is 1-4, b is 0 or 1-3, a+b is 1-4, n is 1-4, and Z is a halide represented by the following formula (3):

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patent: 4684671 (1987-08-01), Tsuchiya et al.
patent: 4954416 (1990-09-01), Wright et al.
patent: 5334699 (1994-08-01), Hsieh

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