A method of preparing a composition containing a fluorocarbon thermoplastic random copolymer comprising the steps of: (a) providing a mixture having: (i) a fluorocarbon thermoplastic random copolymer having subunits of: ―(CH 2 CF 2 )x―, ―(CF 2 CF(CF 3 )y―, and ―(CF 2 CF 2 )z―, wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 ...
