Novel styrene copolymer

Details Novel styrene copolymer Novel styrene copolymer

1987-04-06

1987-11-03

Michl, Paul R.

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

Synthetic resins

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

525342, 526279, C08F 800

Patent

active

047044381

ABSTRACT:
A novel styrene copolymer having a functional group, i.e. silyl group on the para-position of the aromatic ring, useful as a functional polymer, is provided. An effective process for the production thereof comprises contacting a random or block copolymer of p-methylstyrene and .alpha.-methylstyrene with an organolithium compound to lithiate partly the p-methyl group in the copolymer and then reacting the lithiated copolymer with a silicon compound represented by the general formula (R.sup.1)(R.sup.2)(R.sup.3)SiX wherein R.sup.1, R.sup.2 and R.sup.3 are, same or different, alkyl groups with 1 to 6 carbon atoms or alkenyl groups with 2 to 6 carbon atoms, at least one of R.sup.1, R.sup.2 and R.sup.3 being an alkenyl group, and X is a halogen atom.

REFERENCES:
patent: 2642415 (1953-06-01), Winslow

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