Patent · US Expired

Anionic (co)polymerization using an arylmethide initiator

US4980432A · kind A · utility

0Cited by

4References

5Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Herman Uytterhoeven · Bonheiden, BE
Philippe Teyssie · Flémalle, BE
Roger Fayt · Neupré, BE
Luc E. Leemans · Diepenbeek, BE

Key dates

Filing date	Apr 11, 1988
Grant date	Dec 25, 1990
Priority date	—
Expiry date	Apr 11, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/48
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Process for the preparation of polymers by anionic (co)polymerization of ethylenically unsaturated organic monomers in the presence of an arylmethide initiator of the following general structure: ##STR1## wherein: X.sup.+ represents a cation; PA1 Y and Z (same or different) represent a hydrogen atom or an alkyl group; PA1 Ar represents a condensed aromatic group, including a substituted condensed aromatic group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.