| abstract |
General formula (R f QX 1 C (O) NH) m -R i- (NHC (O) X 2 Q (E) o ) n (where R f is a monovalent perfluoropolyether residue; Q is Is independently a linking group having at least 2 valences, which may contain heteroatoms; X 1 is O, S, or NR, wherein R is H or lower alkyl having 1 to 4 carbon atoms; and R i is a multi-isocyanate X 2 is O, S, or NR, wherein R is lower alkyl having 1 to 4 carbon atoms, E is an organic group having at least one oxirane ring, m is at least 1, n is Discloses an epoxy-functionalized perfluoropolyether polyurethane compound having at least 1; o is 1, 2 or 3; m + n is 2 to 10). |