POLY(OXADIAZOLE-IMIDE)S CONTAINING HEXAFLUOROISOPROPYLIDENE UNITS

Citation
C. Hamciuc et al., POLY(OXADIAZOLE-IMIDE)S CONTAINING HEXAFLUOROISOPROPYLIDENE UNITS, Die Angewandte makromolekulare Chemie, 235, 1996, pp. 111-120
Citations number
17
Categorie Soggetti
Polymer Sciences
ISSN journal
00033146
Volume
235
Year of publication
1996
Pages
111 - 120
Database
ISI
SICI code
0003-3146(1996)235:<111:PCHU>2.0.ZU;2-X
Abstract
A series of new poly(1,3,4-oxadiazole-imide)s has been synthesized fro m various aromatic dihydrazides and diacid chlorides which contain bot h imide and hexafluoroisopropylene units. The diacid chlorides were re acted with aromatic dihydrazides to prepare poly(hydrazide-imide)s whi ch were subsequently cyclodehydrated in their solid state to give poly (1,3,4-oxadiazole-imide)s. The new polymers were soluble in polar solv ents and were stable up to 450-480 degrees C in nitrogen, as determine d by thermogravimetric analysis.