Method for making polymers of alpha-hydroxy acids

Details Method for making polymers of alpha-hydroxy acids Method for making polymers of alpha-hydroxy acids

1993-05-06

1994-05-10

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

525415, 528357, C08G 6384, C08G 6391

Patent

active

053105990

ABSTRACT:
A method providing a catalyzed ring opening polyester polymerization at a high reaction rate wherein the amount of organic acid in the reaction medium is maintained at an acid: catalyst ratio below 6:1.

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patent: 5210108 (1993-05-01), Spinu et al.
patent: 5235031 (1993-08-01), Drysdale et al.
Dahlmann et al., Synthesis and Properties of Biodegradable Aliphatic Polyesters, British Polymer Journal, 23, pp. 235-240, (1990).
Leenslag et al., Synthesis of high-molecular-weight poly(L-lactide) initiated with tin 2-ethylhexanoate, Makromol. Chem., 188, pp. 1809-1814, (1987).
Jamshidi and Eberhart, Characterization of Polylactide Synthesis, Polymer Preprints, 28 (1), pp. 236-237, (1987).

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