Method for preparing (co) polymers by metal-free anionic polymer

Details Method for preparing (co) polymers by metal-free anionic polymer Method for preparing (co) polymers by metal-free anionic polymer

1997-04-07

2000-11-07

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526179, C08F 200

Patent

active

061438472

ABSTRACT:
The present invention concerns a novel method for preparing polymers (preferably (meth)acrylate polymers and copolymers) having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring as substituent on the phosphorous atom.

REFERENCES:
patent: 5610248 (1997-03-01), Hogen-Esch

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