Continuous bulk polymerization of 2-pyrrolidone

Details Continuous bulk polymerization of 2-pyrrolidone Continuous bulk polymerization of 2-pyrrolidone

1980-01-21

1981-01-27

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

264232, 264340, 528315, 528319, 528326, C08G 6920, C08G 6946

Patent

active

042476852

ABSTRACT:
A process for forming polymers of 2-pyrrolidone in pellet form via bulk polymerization is disclosed. Polymerization accelerators are empolyed to markedly shorten the polymerization time thus making possible a compact continuous polymerization apparatus which produces pellets of high polymer content requiring no further polymerization. The pellets are formed by forcing the polymerizing mixture through small tubes to form rods of polymer which are then cut into short lengths.

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patent: 3835100 (1974-09-01), Sekiquchi et al.
patent: 4098774 (1978-07-01), Bacskai

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