Photo-curable prepolymer comprising quaternary ammonium salt and

Details Photo-curable prepolymer comprising quaternary ammonium salt and Photo-curable prepolymer comprising quaternary ammonium salt and

1995-09-27

1997-12-30

Chapman, Mark

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

Synthetic resins

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

522174, 522175, C08F 246

Patent

active

057031428

ABSTRACT:
The present invention relates to a photo-curable prepolymer having the following formula (I): ##STR1## in which W represents ##STR2## R.sub.1 represents hydrogen or methyl; R.sub.1 ' represents ##STR3## wherein X represents chlorine or bromine atom, R.sub.2 represents methyl or ethyl, n, o and q independently of one another denote an integer of 1 to 6 and p denotes an integer of 0 to 6;

REFERENCES:
patent: 3933697 (1976-01-01), Fujii et al.
patent: 5075345 (1991-12-01), Mayer et al.
Radtech Asia '93 (pp. 492-498, Nov. 10-13, 1993).

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