Patent ID: 6127498
Filing Date: 2000-10-03
Classification: C08F,C08G

Abstract:
Hydrogenated fluoromodified polymers obtainable by polycondensation or polyaddition or grafting reaction among hydrogenated monomeric, oligomeric or polymeric species, with the following modifier having a polyether structure:RfO(CF.sub.2 CF.sub.2 O).sub.m (CF.sub.2 O).sub.n --CF.sub.2 --A.sub.q --T.sub.p (I)wherein A is a linking bridge bound to the end group --CF.sub.2 -- of the perfluoropolyether chain, T represents one or more reactive functional groups; p and q are integers, p ranges from 1 to 4, q is an integer 0 or 1; m and n are integers and the ratio of m/n is comprised between 0.2 and 5, the number average molecular weight is comprised between 400 and 5000, Rf is a perfluoroalkyl from 1 to 3 carbon atoms, optionally containing 1 chlorine and/or hydrogen atom.