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Poly(1,3,4‐oxadiazoles). Effect of structure on polymer properties
Author(s) -
Varma I. K.,
Geetha C. K.
Publication year - 1978
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1978.070220210
Subject(s) - oxadiazole , sulfuric acid , thermal stability , polymer chemistry , polymer , terephthalic acid , copolymer , solubility , hydrazine (antidepressant) , polymerization , intrinsic viscosity , materials science , elemental analysis , viscosity , maleic acid , phenylene , chemistry , organic chemistry , polyester , composite material , chromatography
Poly(1,3,4‐oxadiazole‐2,5‐diylvinylene) and poly(1,4‐phenylene‐1,3,4‐oxadiazole‐2,5‐diylvinylene) were prepared by polymerizing different quantities of terephthalic acid (T), maleic acid (M), and hydrazine sulfate (HS) in the presence of fuming sulfuric acid. Homopolymers of M and T and various copolymers of M:T were prepared. The polymers were characterized by viscosity, IR, UV, and elemental analysis. Their solubility in different solvents was investigated. The relative thermal stability of the polymers was evaluated by TGA and DTA.