Process for the living radical polymerization of chlorine...

Details Process for the living radical polymerization of chlorine... Process for the living radical polymerization of chlorine...

2005-01-04

2005-01-04

Harlan, Robert Deshon (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S172000, C526S343000, C526S344000

Reexamination Certificate

active

06838535

ABSTRACT:
A process for the preparation of polyvinyl chloride (PVC) with controlled molecular weight and molecular weight distribution is disclosed. The polymerization reaction can be initiated by various organic halide initiators in conjunction with a metal catalyst and an optional ligand in organic solvents or water and in the presence of an optional comonomer. The polymerization process provides PVC with a controlled molecular weight and narrow molecular weight distribution. The chlorine containing polymers compositions are useful as, among others, viscosity modifiers, impact modifiers and compatibilizers.

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