Patent ID: 9428603
Filing Date: 2016-08-30
CPC Classification: C08F,H01L

Claim Text:
1. A process for preparing a copolymer of at least one type of repeating units of thiophene or substituted thiophene in the presence of a reactive surfactant, wherein the process steps comprise: (a) dissolving the reactive surfactant in deionized water with stirring to make a homogeneous aqueous mixture; (b) bubbling N (c) initiating polymerization in the mixture obtained in step (b) by adding FeCl (d) filtering the dispersion obtained in step (c) and then freeze drying the copolymer to obtain a powder form or optionally in cast film form, wherein the reactive surfactant is incorporated in the backbone of the copolymer with the thiophene or substituted thiophone.