Manufacture of low molecular weight poly-N-vinylpyrrolidone-2

Details Manufacture of low molecular weight poly-N-vinylpyrrolidone-2 Manufacture of low molecular weight poly-N-vinylpyrrolidone-2

1976-03-08

1977-11-15

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526227, 526232, 526264, C08F 200, C08F 400, C08F 2608

Patent

active

040586553

ABSTRACT:
Low molecular weight poly-N-vinyl-pyrrolidone-2 is prepared by polymerizing N-vinylpyrrolidone-2 at elevated temperature in the presence of organic peroxides which carry organic radicals on either side of the peroxide group.

REFERENCES:
patent: 2335454 (1943-11-01), Schuster
patent: 2634259 (1953-04-01), Ney et al.
patent: 2665271 (1954-01-01), Beller
patent: 2982762 (1961-05-01), Voeks et al.
patent: 3296231 (1967-01-01), Resz et al.
patent: 3397192 (1968-08-01), Grosser et al.
patent: 3563968 (1971-02-01), Merijan et al.
patent: 3899461 (1975-08-01), Barabas et al.

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