Patent ID: 8933251
Filing Date: 2015-01-13
Classification: C07D,C08F,G03F

Abstract:
1. A fluorinated monomer of cyclic acetal structure having the general formula (2-1), (3-1) or (4-1): wherein R 2a , R 2b , R 3a , and R 3b are each independently a single bond, hydrogen, hydroxyl, halogen, or a straight, branched or cyclic monovalent C 1 -C 15 organic group, at least one of R 2a , R 2b , R 3a , and R 3b is a monovalent organic group containing a polymerizable unsaturated group, or any two of R 2a , R 2b , R 3a , and R 3b may bond together to form a ring with the carbon atom to which they are attached, with the proviso that said ring contains a polymerizable unsaturated group when the remaining groups of R 2a , R 2b , R 3a , and R 3b which do not participate in the ring formation do not contain a polymerizable unsaturated group, R R R