Biodegradable Melt processable liquid

1
Biodegradable Melt processable liquid
crystalline polyesters
FTIR ester CO stretching at 1730 cm-1 13C NMR
the CO diad frequency between ?160-180 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,
693-705 J. Macromol. Sci. Pure. Appl. Chem. 38,
2001, 641
Schlieren nematic texture
Weight loss on degradation in a lipase buffer
solution at 30C, (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. 6409937, 2002 Ger. Offen. DE
10,015,840, 2001, US Patent 6,409,937 June 25,
2002.