C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/353.6
C07D 317/42 (2006.01)
Patent
CA 1203808
TITLE 4,5-DICHLORO-1,3-DIOXOLANE DERIVATIVES ABSTRACT OF THE DISCLOSURE Novel fluorodioxoles which may have Cl or F substituents in the 4 or 5 positions and have two F or CF3 substituents in the 2 position are useful monomers for the preparation of homopolymers and copolymers with tetrafluoroethylene and terpolymers with tetrafluoroethylene and vinylidene fluoride. The homopolymers are suitable for glazing materials, while copolymers are useful, among others, for corrosion-resistant seals, gaskets, and linings. Fluorinated 4,5-dichloro-1,3-dioxolanes are also disclosed. Such dioxolanes may be used in the manufacture of the fluorodioxoles.
469344
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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