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US 4,376,210 AGranted
Vinyl polysiloxane polymers release compositions and methods
AssigneePitney Bowes Inc.
InventorMike S. H. Chang
Life of this patent
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Abstract
Novel radiation-curable, liquid vinyl organosilicon polymers and coating compositions which are free of volatile solvent(s) and which are adapted to be applied to a substrate and cured rapidly by exposure to radiation to form release coatings having good release properties with respect to adhesives, and methods for producing such polymers and compositions and for applying and curing such release coatings.
Claims5
Liquid vinyl polysiloxane polymer having the moeity structure:
- ##STR4## . . . wherein X is a number greater than 1;
- Y is a number selected from a range of greater than 0 and up to about 10;
- R is the same or different monovalent hydrocarbon radicals selected from the group consisting of C.sub.1 to C.sub.4 alkyl groups, cyclohexyl groups and phenyl groups;
- and R' is a R group or an oxygen radical.
1 more element
Dependencies are inferred from the claim text.