A series of new poly(oxadiazole-amide)s that. are soluble in polar solvents has been prepared by incorporating the hexafluoroisopropylidene unit and other flexible linkages into the backbone. Films cast of these polymers from solution are colourless to light tan and have ultimate tensile strengths ranging from 38.1 to 44.7 MPa. Weight loss does not occur below 450°C in air by thermogravimetric analysis and the inherent viscosities ranged from 0.31 to 0.42 dl g-1 in dimethylacetamide.
Посилання на статтю:
Poly (oxadiazole-amide) s containi ng hexafluoroisopropylidene / Carl J. Thaemlitz and Patrick E. Cassidy* // Polymer. – 1992. – Vol 33. – P. 206-208.