Citation: Saâ, d Moulay, Fatima M’zyène. SYNTHESIS OF SOLUBLE POLY(3,4-DIHYDROXY-o-TOLYLENE): REDOX POLYMER[J]. Chinese Journal of Polymer Science, ;2006, 24(1): 41-46. shu

SYNTHESIS OF SOLUBLE POLY(3,4-DIHYDROXY-o-TOLYLENE): REDOX POLYMER

Received Date: 1 January 1900
Revised Date: 1 January 1900

Conventional chloromethylation, paraformaldehyde/hydrogen chloride in acetic acid medium, was applied to 1,2-dimethoxybenzene. Chloroform-soluble poly(3,4-dimethoxy-o-tolylene) was obtained with an intrinsic viscosity of 0.034 dL•g1. The polymer was evaluated as a condensation redox polymer precursor formed by a Friedel-Crafts reaction. Cleavage of the methoxy groups present in this polymer resulted in poly(3,4-dihydroxy-o-tolylene) which manifested a great air-oxidation resistance. The redox property of the latter polymer was found to be 1017 mV by potentiometric titration with 0.05 N ceric ammonium nitrate at 25℃. This midpotential was compared to that of catechol, a monomeric analogue, under the same titration conditions.
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