Dyeing of Poly(acrylonitrile) Fibers with Azatrimethinecyanines | Zendy

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Dyeing of Poly(acrylonitrile) Fibers with Azatrimethinecyanines

Author(s) -

Voltz Jacques

Publication year - 1962

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.196205321

Subject(s) - dyeing , acrylonitrile , nitrogen , polymer chemistry , materials science , chain (unit) , chemistry , composite material , organic chemistry , polymer , copolymer , physics , astronomy

Like all basic dyes, azatrimethinecyanines possess a good dyeing affinity for acrylic fibers. Compounds with isolated nitrogen atoms in the trimethine chain show insufficient light fastness, whereas good to excellent fastness to light is displayed by compounds having neighboring nitrogen atoms in the chain. Thus, a working hypothesis stating that the light fastness of trimethinecyanines on acrylic fibers is improved by progressive replacement of methine groups by nitrogen atoms has been partially confirmed.

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