摘要 |
<p>The invention pertains to foamable thermoplastic fluoropolymer composition comprising: at least one fluoropolymer [polymer (A)]; and at least one perfluoroalkoxysulphonic derivative of either of formulae: (Xn+)1/n-O3S-CF2CF2O-Rdf-OCF2CF2-SO3-(Xn+)1/n and Rmf-OCF2CF2-SO3-(Xn+)1/n wherein Rdf is a divalent C1-C12 perfluorocarbon group, possibly comprising one or more ethereal oxygen atom; Rmf is a monovalent C1-C12 perfluorocarbon group, possibly comprising one or more ethereal oxygen atom, optionally comprising heteroatoms, generally selected from S, N, P; X=H, a metal cation, or an ammonium group; n is the valence of the cation X, preferably 1 or 2.</p> |
申请人 |
SOLVAY SPECIALTY POLYMERS ITALY S.P.A. |
发明人 |
COLAIANNA, PASQUA;BESANA, GIAMBATTISTA;DI NICOLO, EMANUELE;BRAGANTE, LETANZIO;MARCHIONNI, GIUSEPPE;BRINATI, GIULIO |