C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/18 (2006.01) C08F 214/22 (2006.01) C08L 23/08 (2006.01) C08L 27/12 (2006.01) C08L 27/16 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2528550
A polymer melt additive that is suitable for use as a processing aid in the extrusion of a non-fluorinated polymer. The polymer melt additive composition includes a fluoropolymer that has a long chain branching index (LCBI) of at least 0.2 and a zero shear rate viscosity at 265~C of not more than 107 Pa's. The polymer melt additive may additionally include other compounds such as, polyoxyalkylene polymer or polycarprolactone.
L'invention concerne un additif fondu polymère, s'utilisant comme auxiliaire de traitement dans l'extrusion d'un polymère non fluoré. La composition d'additif fondu polymère comprend un fluoropolymère présentant un indice de ramification de chaîne longue (LCBI) d'au moins 0,2 et une viscosité à taux de cisaillement zéro à 265 ·C, ne dépassant pas 10?7¿ Pa?'¿s. L'additif fondu polymère peut comprendre en outre d'autres composés, tels qu'un polymère polyoxyalkylène ou un polycarprolactone.
Amos Stephen E.
Hintzer Klaus
Kaspar Harald
Lavallee Claude
3m Innovative Properties Company
Smart & Biggar
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