Patent ID: 8952122
Filing Date: 2015-02-10
Classification: C08G,C08L

Abstract:
1. A polyamide modified by a monofunctional sulfonate compound chemically bonded to the polymer chain, the polyamide comprising at least one unit comprising a sulfonate group of formula (I): wherein: SO -L-Z— is a radical derived from condensation of two reactive functional groups F F A is a covalent bond or an aliphatic hydrocarbon radical optionally containing hetero atoms and containing from 1 to 20 carbon atoms, and Y is a linear or cyclic, aromatic or aliphatic hydrocarbon radical containing at least 2 carbon atoms and optionally containing hetero atoms, said units being present in a proportion at least equal to 5 mole % relative to the total number of moles of units constituting the polymeric chain, and wherein the monofunctional sulfonate compound is a monofunctional aromatic compound of formula (II): wherein: SO —W being -A-F F