Process for the preparation of undoped polyaniline via para-halo

Details Process for the preparation of undoped polyaniline via para-halo Process for the preparation of undoped polyaniline via para-halo

1997-08-25

1998-12-22

Hampton-Hightower, P.

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

Synthetic resins

From ketone or ketene reactant

528422, 525540, C08G 7300, C08F28300

Patent

active

058521615

ABSTRACT:
An improved method for the synthesis of low molecular weight polyaniline provides for heating a para-haloaniline in the presence of a high-boiling organic solvent and a vanadium catalyst. A neutral polyaniline can be synthesized by removing hydrogen halide as it is produced.

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patent: 5030508 (1991-07-01), Kuhn et al.
patent: 5510532 (1996-04-01), Rhee et al.
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Homopolycondensation of Aniline Halides: Synthesis of Polyaniline of the Regular Structure by A.M. Arzumanyan, A.A. Matnishyan, M.I. Fedorov, Sh.R. Melkonyan. Vysokomolek Soedyneniya, vol. (A) 33(4), 797-803 (1991).

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