The Dow Chemical Company

William A Mod

Bobby R Ezzell

William P Carl

Novel vinyl ethers are prepared in decarboxylation reactions of novel acid fluoride compounds according to the following reaction: ##STR1## wherein a is 0 or an integer greater than 0;

Process to produce novel fluorocarbon vinyl ethers and resulting polymers

Compounds represented by the general formulas ##STR1## are prepared by reacting halofluoropropylene oxides with fluorinated acid fluorides and ketones. These compounds may be decarboxylated to form useful monomers, ##STR2## wherein a=to 3;

Preparation, decarboxylation and polymerization of novel acid fluorides

Method for the preparation of vinyl compounds

An improved polymer for use as an ion exchange membrane in an electrolytic cell wherein the polymer has pendant chains containing sulfonic acid ion exchange groups and has an equivalent weight of between about 800 and about 1500. The polymers have a hydration product of less than about 22,000. The electrolytic cell and its method of operation are described when these polymers are used as ion exchange membranes.

Sulfonic acid electrolytic cell membranes and use thereof in the

An electrolytic cell and a process for electrolysis using the cell are provided. The electrolytic cell is separated into an anode chamber and a cathode chamber by a fluorinated polymer membrane; wherein the membrane comprises:

Electrolytic cell having an improved ion exchange membrane and process

Sulfonic acid electrolytic cell membranes

The invention relates to a process to produce compounds represented by the general formula

Preparation of vinyl ethers

Sulfonic acid electrolytic cell having flourinated polymer membrane with

Novel perhalofluoro ethers and methods for preparing the same having generic formula, ##STR1## wherein a=0 or an integer greater than O;

Fluorocarbon ethers having substituted halogen site(s) and process to

Polymers and the process for producing polymers by the polymerization of at least three monomers wherein at least one monomer is selected from the group consisting of tetrafluoroethylene, trifluoromonochloroethylene, trifluoroethylene, vinylidene fluoride, 1,1-difluoro-2,2-dichloroethylene, 1,1-difluoro-2-chloroethylene, hexafluoropropylene, 1,1,1,3,3-pentafluoropropylene, octafluoroisobutylene ethylene, vinylchloride, trifluoronitrosomethane, perfluoronitrosoethane and alkyl vinyl ether,

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Lake Jackson, TX, United States of America

William A Mod