Stabilization of poly(hydroxy acid)s derived from lactic or glyc

Details Stabilization of poly(hydroxy acid)s derived from lactic or glyc Stabilization of poly(hydroxy acid)s derived from lactic or glyc

1993-08-20

1995-01-17

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524183, 524599, 525450, C08K 338

Patent

active

053826175

ABSTRACT:
Stabilization of poly(hydroxy acid)s, particularly poly(lactic acid), to thermal processing with selected boron compounds is disclosed. The most preferred stabilizer is boric oxide (B.sub.2 O.sub.3).

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S. Gogolewski et al., Polymer Degradation and Stability, vol. 40, pp. 313-322, 1993.
K. Jamshidi, et al., Polymer, vol. 29, pp. 2229-2234, 1988.

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