Preparation of regioregular polyfluoroethylenes and products the

Details Preparation of regioregular polyfluoroethylenes and products the Preparation of regioregular polyfluoroethylenes and products the

1982-02-19

1984-03-20

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5253307, 5253314, 525338, 526 75, 526255, C08F 800, C08F 826, C08F 1418, C08F 1422

Patent

active

044382472

ABSTRACT:
Regioregular polyfluoroethylenes are produced by a specific set of reaction steps. A precursor polymer for the regioregular polyfluoroethylene is produced by using the monomer typically employed for producing the particular polyfluoroethylene and introducing a blocking group such as a chlorine atom. Polymerization of such fluoroethylenes with blocking groups to polyfluoroethylenes produces a corresponding regioregular precursor polymer. The blocking group is then replaced by a hydrogen with a reagent such as an alkyltin hydride. The resulting polymer is the desired polyfluoroethylene which has a regioregularity.

REFERENCES:
patent: 3380977 (1968-04-01), Helfrich et al.

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