Process for the polymerization of ethylenically unsaturated orga

Details Process for the polymerization of ethylenically unsaturated orga Process for the polymerization of ethylenically unsaturated orga

1975-08-07

1977-06-14

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252431R, 252431C, 260 312R, 260 328R, 260 332R, 526135, 526145, 526147, 526317, 526320, C08F 206, C08F 440

Patent

active

040298655

ABSTRACT:
Vinylidene chloride polymers and copolymers are prepared by contacting vinylidene chloride monomer alone or in mixture with other ethylenically unsaturated monomers with a catalytic system consisting of an organic per-compound, an organic compound of zirconium or cobalt and an acid compound according to the definition of Bronsted and Lowry in an organic solvent medium.
High yields and polymerization speeds are achieved at low polymerization temperatures (10.degree.-35.degree. C).

REFERENCES:
patent: 3345350 (1967-10-01), Shavit et al.
patent: 3860568 (1975-01-01), Chabert et al.

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