Continuous mass preparation of polymers

Details Continuous mass preparation of polymers Continuous mass preparation of polymers

1978-01-13

1980-06-24

Smith, Edward J.

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

Synthetic resins

Polymerizing in tubular or loop reactor

526 65, 526 67, 526 68, 526 88, 526317, 526320, C08F 432, C08F 2006

Patent

active

042095999

ABSTRACT:
A process for the continuous mass polymerization of olefinically unsaturated monomers in the presence of a polymerization initiator. The polymerization is carried out in one or more tubular reactors provided with internal static mixing elements. A portion of the reaction mass produced in the reactor is recirculated back to the reactor as feed.

REFERENCES:
patent: 2769804 (1956-11-01), Hanson
patent: 3821330 (1974-06-01), Free
patent: 3954722 (1976-05-01), Echte et al.
"Motionless Mixers Move Into New Processing roles," Chemical Engineering, May 9, 1977, pp. 95-96.
Design Bulletin, Static Mixer Modules--Technology--Processing--Sizing, Kenics Corp., 1976.

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