Polyphenylene-type polymeric compound and process for production

Details Polyphenylene-type polymeric compound and process for production Polyphenylene-type polymeric compound and process for production

1982-12-28

1983-09-13

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 6102, C08G 6112

Patent

active

044043546

ABSTRACT:
Polydialkoxyphenylenes composed of recurring structural units of the general formula ##STR1## wherein R and R' each represent an alkyl group having 1 to 4 carbon atoms, and R and R' may be identical or different, but in no case R and R' are both methyl groups. These compounds can be prepared by polymerizing p-dialkoxybenzenes in an inert solvent in the presence of a Lewis acid and an oxidant under reduced pressure.

REFERENCES:
patent: 3405091 (1968-10-01), Sprengling et al.
patent: 3576788 (1971-04-01), Harris et al.
A. V. Ragimov, et al., "Synthesis of Polyphenylene Derivatives" Polymer Science, U.S.S.R., vol. 15, No. 7, 1632-1636 (1973).

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