Patent ID: 6891071

Claim:
Vinyl aromatic compounds having the formula P 2 C═CH—C 6 X 4-n Z n , wherein (a) P=H or D, Z=—Y—C 6 X 5 , —Y—W—U-[(o-, m-, p-C 6 X 4 —CH═CH 2 )] m , and mixtures thereof; (b) independently, Y and U=O, S, NH, or is not present; (c) W is a linking group selected from the group consisting of aromatic, polycyclic aromatic (fused-ring), 5- or 6-member heterocyclic aromatic and polycyclic-heterocyclic compounds and halogenated derivatives thereof; (d) X=F, Cl, CF 3 and R f , and mixtures thereof, and R f is a C 2 -C 5 hydrocarbon in which 50% or more of C—H bonds are replaced by C—F bonds; and (e) m and n are integers in the range of 1-3.