Fluorochemical diesters as repellent polymer melt additives

Details Fluorochemical diesters as repellent polymer melt additives Fluorochemical diesters as repellent polymer melt additives

2008-07-08

2008-07-08

Cain, Edward J (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

Reexamination Certificate

active

07396866

ABSTRACT:
A thermoplastic polymer comprising a fluorochemical ester composition of formula I:in-line-formulae description="In-line Formulae" end="lead"?C4F9SO2N(Q1)(CH2)a—O—C(O)—(CH2)n—C(O)O(CH2)bNQ2SO2C4F9  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein Q1and Q2which may be the same or different are each a hydrogen or an alkyl group of 1 to 4 carbon atoms; a is an integer from 2 to 11; b is an integer from 2 to 11; and n is at least 10.

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