| US 7,538,156 B2 | ||
| Fluoropolymer-based masterbatch and its use for the extrusion of polyolefins | ||
| Benoit Barriere, Le Tilleul Othon (France); Anthony Bonnet, Beaumont le Roger (France); Johann Laffargue, Bernay (France); and Gilles Marot, Bernay (France) | ||
| Assigned to Arkema France, Colombes (France) | ||
| Filed on Jul. 14, 2005, as Appl. No. 11/181,266. | ||
| Claims priority of provisional application 60/616264, filed on Oct. 06, 2004. | ||
| Claims priority of application No. 04 07919 (FR), filed on Jul. 16, 2004. | ||
| Prior Publication US 2006/0025523 A1, Feb. 02, 2006 | ||
| Int. Cl. C08G 63/91 (2006.01) | ||
| U.S. Cl. 525—10 [524/500; 525/50; 525/199] | 16 Claims |
| 1. A masterbatch comprising an intimate fluoropolymer/interfacial agent blend dispersed in a polyolefin matrix, comprising
by weight:
from 1 to 50% of an intimate blend of at least one fluoropolymer (A) and at least one interfacial agent (B); and
from 99 to 50% of a polyolefin (C);
wherein the respective proportions of (A) and (B) by weight are such that (A)/(B) is between 30/70 and 70/30.
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