Process for metalating vinylidene halide based polymers

Details Process for metalating vinylidene halide based polymers Process for metalating vinylidene halide based polymers

1985-03-15

1986-06-24

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525366, C08F 842

Patent

active

045968594

ABSTRACT:
This invention relates to a process for metalating vinylidene halide based polymers by reacting them with a transmetalating organometallic compound and carrying out the reaction at a temperature within the range from about -20.degree. C. to about -80.degree. C. The resultant metalated vinylidene halide based polymers are useful intermediates in the preparation of functionalized polymers and graft copolymers.

REFERENCES:
patent: 3808173 (1974-04-01), Orihashi
patent: 4243770 (1981-01-01), Tatemoto et al.
"Chemical Conversions of Halogenated Polyolefines Caused by Organo-Lithium Compounds", N. A. Plate et al., Vysokomol. soyed. 8: No. 9, pp. 1562-1567 (1966).
"The Role of Chemico-Structural Effects in the Modification of Polymers", N. A. Plate, Vysokomol. soyed. A10: No. 12, pp. 2650-2661 (1968).
"Chemical Transformations and Catalytic Activity of Macromolecular Polylithium Compounds Polymerization", N. A. Plate et al., J. Polymer Sci.: Part C, No. 22, pp. 547-568 (1969).
"Reaction of n-Butyl-lithium with Poly(vinyl Chloride), K. Shina et al., Journal of Polymer Science: Part A-1, vol. 4, 1069-1079 (1966).

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