Patent ID: 8883402

Claim:
A photocurable composition comprising: a) a photoresist component, and b) a perfluoropolyether compound of the formula: (R PFPE —X 1 —CO—NH) x —R 1 —(NH—CO—X 2 —R Unsatd ) y , Where R PFPE represents a perfluoropolyether group, X 1 and X 2 are independently —O—, —S— or —NR 2 — where R 2 is H or C 1 -C 4 alkyl, R 1 is a residue of a polyisocyanate, R Unsatd is a moiety containing an ethylenically unsaturated, polymerizable group, subscripts x and y are each independently 1 to 3, and c) a photoinitiator.