1. Biodegradable Melt processable liquid crystalline polyesters
FTIR: ester CO stretching at 1730 cm-1;
13C NMR: the CO diad frequency between  ppm showing three unequivalent absorptions indicating the formation of block terpolymer.
J. Polym. Sci.; Polym. Chem. 40, 11, 2002,1845; J. Polym. Sci.; Polym. Chem. Ed. 39, 5, 2001, ; J. Macromol. Sci. Pure. Appl. Chem. 38, 2001, 641
Schlieren nematic texture
Weight loss on degradation in a lipase buffer solution at 30°C, (1) Pocine pancreas lipase/buffer (2) Candida rugosa lipase/buffer
Brabender curves
SEM of the degraded polymers
V.S.Prasad, C.K.S.Pillai and M. Rvindranathan, US Patent No , 2002; Ger. Offen. DE 10,015,840, 2001, US Patent 6,409,937 June 25, 2002.