Fluoropolymer process aids containing functional groups

Details Fluoropolymer process aids containing functional groups Fluoropolymer process aids containing functional groups

C - Chemistry, Metallurgy

08

L

400/5044, 18/798

C08L 67/00 (2006.01) B29C 47/00 (2006.01) C08J 3/28 (2006.01) C08L 23/02 (2006.01) C08L 25/06 (2006.01) C08L 57/00 (2006.01) C08L 77/00 (2006.01) C08L 101/00 (2006.01) C08L 27/12 (2006.01)

Patent

CA 2027004

The subject invention provides a composition having excellent extrusion characteristics comprising a difficultly-melt-processible polymer and 0.002 - 0.5 wt. % of one or more fluoropolymer process aids wherein the fluoropolymer has a fluorine to carbon ratio of at least 1:2, is capable of forming a die-coating film under the prevailing conditions of extrusion temperature and pressure, and contains an effective amount of polar functional polymer chain end groups, -W, wherein -W is selected from -COF, -SO3M, -OSO3M and -COOM, wherein M is hydrogen, a metal cation, preferably an alkali or alkaline earth metal cation, or a quaternary ammonium cation.

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