Vinyl chloride polymers and copolymers

Details Vinyl chloride polymers and copolymers Vinyl chloride polymers and copolymers

1971-09-15

1976-05-25

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526319, 526343, 526344, 526345, C08F 1406

Patent

active

039592413

ABSTRACT:
A process is disclosed for the preparation of polymers and copolymers of yl choride, which comprises polymerizing vinyl chloride or copolymerizing vinyl chloride and monomers copolymerizable therewith in the presence of a peroxide having the general formula ##SPC1##
Wherein R represents an alkyl- or an alkoxy-group having from 1-6 carbon atoms as an initiator. The initiator is used in an amount of 0.01 to 1.0% by weight, calculated on the monomer or monomer mixture. The foregoing peroxide may be used in combination with another structurally similar peroxide or with other peroxides also capable of polymerizing or copolymerizing vinyl chloride in an amount of 0.01 to 0.1% by weight, calculated on the monomer or monomer mixture.

REFERENCES:
patent: 2419347 (1947-04-01), Folt et al.
patent: 2658057 (1953-11-01), Park
patent: 3222327 (1965-12-01), Guillet et al.
patent: 3522290 (1970-07-01), Gerritsen et al.
patent: 3539544 (1970-11-01), Marbach et al.
patent: 3637633 (1972-01-01), Dixon et al.

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