Preparation of an aromatic vinyl compound

Details Preparation of an aromatic vinyl compound Preparation of an aromatic vinyl compound

1993-10-19

1995-02-21

Schofer, Joseph L.

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

Synthetic resins

Polymerizing in tubular or loop reactor

526 65, 526173, 526346, 526347, 5263472, C08F 448, C08F 1208

Patent

active

053916557

ABSTRACT:
A process is described for preparing styrene polymers by continuous anionic polymerization, the monomer or monomers and the organometallic compound serving as starter (initiator) being added in solution to a tubular reactor operating essentially without backmixing and being left in the reactor until the monomer has been consumed, wherein the polymerization is carried out in at least two successive tubular reactor sections operating in each case essentially adiabatically, with in each case at least one heat exchanger arranged between the sections. If desired a proportion of the starter and/or of the monomer is added to at least one reactor connected downstream of the first reactor.

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