Fluorinated sulfone melt additives for thermoplastic polymers

Details Fluorinated sulfone melt additives for thermoplastic polymers Fluorinated sulfone melt additives for thermoplastic polymers

C - Chemistry, Metallurgy

08

K

C08K 5/41 (2006.01) D01F 1/10 (2006.01)

Patent

CA 2240444

Compositions and processes for imparting repellency to low surface tension fluids in thermoplastic polymers, said compositions containing compounds of formulae RfSO2(CH2)nC(O)2OR, RSO2(CH2)nC(O)ORf and RfSO2R wherein Rf is F(CF2)x-(CH2)m wherein x is 4 to 20 and m is 2 to 6, R is a saturated aliphatic hydrocarbon with an average carbon chain length of 12 to 66 carbons; and n is 1 to 4 are disclosed.

La présente invention concerne des compositions et un procédé pour conférer un caractère répulsif des fluides de faible tension superficielle dans des polymères thermoplastiques. Ces compositions contiennent des composés représentés par les formules générales R¿f?SO¿2?(CH¿2?)¿n?C(O)¿2?OR, RSO¿2?(CH¿2?)¿n?C(O)OR¿f?, et R¿f?SO¿2?R. Dans ces formules, R¿f? est représenté par F(CF¿2?)¿x?-(CH¿2?)¿m? dans lequel x vaut entre environ 4 et environ 20, et m vaut entre environ 0 et environ 6. R est un hydrocarbure aliphatique saturé dont la longueur moyenne de chaîne de carbone va de 12 à 66 atomes de carbone et n vaut de 1 à 4.

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