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The effect of the bridge group on the thermal stability of nitro‐substituted aromatic polyamides
Author(s) -
Oh Sang Yeol,
Pearce Eli M.
Publication year - 1993
Publication title -
polymers for advanced technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.61
H-Index - 90
eISSN - 1099-1581
pISSN - 1042-7147
DOI - 10.1002/pat.1993.220041002
Subject(s) - nitro , moiety , benzoxazole , amide , polyamide , thermal stability , diamine , ring (chemistry) , group (periodic table) , polymer chemistry , materials science , intramolecular force , chemistry , organic chemistry , alkyl
The effect of introducing a bridge group into the diamine moiety on the thermal stability of aromatic polyamides substituted with nitro group in the diamine ring at the ortho position to the amide group was studied. Our present work showed that the bridge group, whether it was electron withdrawing or releasing, did not have a significant effect on the activity of the nitro group for the intramolecular cyclization reaction to poly(benzoxazole)s.