Process for preparing polymer

Details Process for preparing polymer Process for preparing polymer

1996-08-28

1998-09-08

Weber, Thomas R.

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

Synthetic resins

Polymerizing in two or more physically distinct zones

5263297, 528501, 528502C, C08F 208, C08F 2014

Patent

active

058046763

ABSTRACT:
A process for continuously preparing a high quality methacrylic polymer with a high productivity is provided. The process comprises continuously polymerizing methyl methacrylate alone or a monomer mixture of methyl methacrylate and an alkyl acrylate by a solution polymerization using methanol as a solvent, directly feeding the resulting polymerization reaction product to an extruder having a plurality of vents, and extruding the polymer, while volatiles are removed through the vents.

REFERENCES:
patent: 4833221 (1989-05-01), Albrecht

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