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Polymerization of acetylenes carrying precursors of aminyl radicals
Author(s) -
Dulog Lothar,
Bognar Peter
Publication year - 1995
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1995.030160108
Subject(s) - radical , gel permeation chromatography , polymerization , conjugated system , polymer , rhodium , polymer chemistry , catalysis , chemistry , yield (engineering) , photochemistry , materials science , organic chemistry , metallurgy
In the search for organic ferromagnets polymers with a conjugated backbone and pendant persistent radicals are one route of interest. The synthesis of poly[4‐(4‐ethynylphenyl)‐2′,4′,6′‐trinitro‐2,6‐diphenyldiphenylamine] (p‐3) and poly[4‐(3‐ethynylphenyl)‐2′,4′,6′‐trinitro‐2,6‐diphenyldiphenylamine] (m‐3) as precursors of polyradicals are described. A dinuclear rhodium cyclooctadiene chloride complex as polymerization catalyst was used to yield polymers with molecular weights (gel‐permeation chromatography) of 100 000 for m‐3 and 210 000 for p‐3 .