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Miscible blends of conductive polyaniline with tertiary amide polymers

โœ Scribed by S. H. Goh; H. S. O. Chan; C. H. Ong

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
282 KB
Volume
68
Category
Article
ISSN
0021-8995

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โœฆ Synopsis

Polyaniline (PANI) was doped with p-phenolsulfonic acid (PSA) or 5-sulfosalicylic acid (SSA). The PANI salts were blended with poly(N-vinyl-2-pyrrolidone), poly( N-methyl-N-vinylacetamide), poly( N,N-dimethylacrylamide), or poly(2-methyl-2-oxazoline) by solution casting from dimethyl sulfoxide. Blends containing up to 50% by weight of PANI salt were homogeneous and each exhibited a single glass transition temperature, indicating miscibility. Fourier transform infrared spectroscopic studies indicated that the carbonyl groups of the tertiary amide polymers interacted with the PANI salt as evidenced by the development of a shoulder at a lower frequency in the carbonyl stretching band. Electrical conductivities of the blends are in the range 10 05 to 10 03 S/cm, depending on the blend composition.

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