C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/1214, 400/512
C08L 27/18 (2006.01) C08L 27/20 (2006.01) H01B 3/44 (2006.01)
Patent
CA 1096085
ABSTRACT OF THE DISCLOSURE Compositions which when coated onto wire as insulation have good resistance to deterioration under low voltage AC stress in hot water are provided which comprise a melt- processible copolymer consisting essentially of units of tetrafluoroethylene and at least one comonomer that is a selected ethylenically unsaturated fluorinated monomer, and an organo-polysiloxane that is substantially stable the copolymer used is substantially incompatible with the copolymer, and is dispersed in the copolymer. The compositions are prepared by employing techniques which provide sufficient transporting pressure to transport the components into a mixing zone, and which provide shearing action sufficient to cause the organo-polysiloxane to disperse.
268653
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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