| abstract |
The invention pertains to a thermoplastic vulcanizate fluorine-containing composition [vulcanizate (C)], comprising a continuous thermoplastic fluoropolymer phase and a dispersed vulcanized fluoroelastomer phase, said composition comprising: —at least one thermoplastic fluoropolymer [polymer (F)]; —at least one (per)fluoroelastomer [elastomer (A)], and —at least one ionomer polymer comprising recurring units derived from a fluorine-free hydrogenated olefin and recurring units derived from a (meth)acrylic acid having carboxylic acid group, at least a fraction of carboxylic acid groups being under the form of metal or ammonium salts, [ionomer (I)]. |