Linear poly(3-alkyl-2,5-thienylene) polymer

Details Linear poly(3-alkyl-2,5-thienylene) polymer Linear poly(3-alkyl-2,5-thienylene) polymer

1984-01-04

1985-06-04

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

252511, 524401, 524422, 524609, 526256, 528378, 528379, C08G 7500, C08F 2806

Patent

active

045215898

ABSTRACT:
A linear poly(3-alkyl-2,5-thienylene) polymer having the formula: ##STR1## wherein R represents a lower alkyl group and n is 20 to 100. The polymer can be used to provide a semiconductor. A method for making the polymer comprises reacting 3-alkyl-2,5-dihalogenated thiophene with magnesium in an inert solvent in the substantial absence of water, in the presence of a nickel compound as a catalyst in an inert atmosphere.

REFERENCES:
patent: 2552796 (1951-05-01), Koft

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