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p‐Doping and Fiber Spinning of Poly(heptadiyne)s
Author(s) -
Anderson Emily B.,
Kumar P. Santosh,
Schawaller Dirk,
Mavila Sudheendran,
Voss Michael,
Freyer Anette,
Knolle Wolfgang,
Hermanutz Frank,
Buchmeiser Michael R.
Publication year - 2013
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201200724
Subject(s) - spinning , materials science , polymer , fiber , amorphous solid , polymer chemistry , doping , scanning electron microscope , melt spinning , chemical engineering , conjugated system , composite material , crystallography , chemistry , optoelectronics , engineering
Poly(4,4‐bis[(3,5‐diethoxybenzoyloxy)methyl]‐1,6‐heptadiyne) is synthesized via cyclopolymerization using modified Grubbs‐ and Schrock‐type initiators. Doping with either I 2 or NO + BF 4 − yields a conductive polymer with conductivity up to 1.4 × 10 −2 S cm −1 . The undoped amorphous conjugated polymer is spun into monofilament and multifilament fibers by a wet‐spinning process. Fibers are collected on bobbins with a draw down ratio of 12 resulting in fiber diameters under 60 μm, characterized by scanning electron microscopy. X‐ray diffraction data confirms that the amorphous structure of the polymer is preserved; no additional orientation of the polymer chains occurs during fiber spinning.