Thermoprocessable per(halo)fluoropolymer composition
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Dec 16, 2011
filing date -
Dec 20, 2010
priority date (Note) -
Abandoned
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Abstract
The invention pertains to a thermoprocessable composition comprising:
- at least one thermoprocessable per(halo)fluoropolymer [polymer (A)];at least one inorganic filler [filler (I)]; andat least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, andB) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.
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