Linear polyvinylpyridine polymers and processes

Details Linear polyvinylpyridine polymers and processes Linear polyvinylpyridine polymers and processes

1993-04-06

1994-12-06

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526265, C08F 2606, C08L 3904

Patent

active

053711602

ABSTRACT:
Described are unique polymerization processes for preparing linear polyvinylpyridine polymers as well as unique linear polyvinylpyridine polymer compositions. The processes involve the use of an alkylpyridine anion as an anionic polymerization catalyst and result in linear polyvinylpyridines having alkylpyridine end groups homologous to the pendant pyridines of the polymer. Processes of the invention are particularly advantageous in preparing relatively low molecular weight linear polyvinylpyridines without the need to use large amounts of catalyst to achieve the same.

REFERENCES:
patent: 3937764 (1976-02-01), Horikawa et al.
Meverden et al., "Oligomerization of Vinyl Monimers 18. Stereochemistry of Anionic Oligomerization of 4-Vinylpyridine", J. of Polymer Sci.: Polymer Chem. Ed., vol. 23, 159-168 (1985).
Sartoris et al., "Base-Catalyzed Reactions XXXV. The Alkali Metal Catalyzed Reactions of 2- and 4-Picolie with 2- and 4-Vinylpyridine. Disproportionation and Transaralkylation Reactions", J. of Org. Chem., vol. 34, No. 7, pp. 2119-2122 (1969).
Frechet et al., "Poly(Vinyl Pyridie)s: Simple Reactive Polymers with Multiple Applications", British Polymer J., vol. 16, pp. 193-198 (1984).
Reilly Report Promotional Material "Linear Polyvinylpyridines Properties and Applications", Copyright 1983, 1989 Reilly Industries, Inc.

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