Heat-resistant polymers

4-oxadiazoles 900 Temperature acid chloride aliphatic Andrianov aromatic atoms Author's Certificate begin to decompose benzene Byulleten carbon CH CH chain Chem chemical compounds coordination polymers copolymer crystalline degradation degrees/minute diamine dicarboxylic acids differential thermal analysis dihydrazides dimethyl dimethylformamide diphenyl Dynamic thermogravimetric analysis esters ether ethylene fiber FIGURE films fluoride following structure formation groups heat resistance high polymers insoluble isophthalic acid Izobretenii Izvestiya AN SSSR Khimii Korshak large number loss-in-weight Makromol melting point Moskva nitrogen number of polymers obtained oxadiazole oxide p-phenylene phenols Plast plastics poly poly-p-xylylene polyamides polyarylate polybenzimidazoles polycondensation polyesters polyethylene polyhydrazides Polymer Sci polymerization Polymers prepared polyoxadiazoles polypyromellitimides polytetrafluoroethylene presence properties pyrrones Rate of heating reaction repeating unit resin rings rubber S.V.Vinogradova Seriya Khimicheskaya shows softening point soluble solution stable Table terephthalic acid thermal resistance thermogravimetric analysis V.V.Korshak vacuo Vinogradova vitrification vitrification point Vysokomolekulyarnye Soedineniya weight yields