Process for the preparation of polyhydroxycarboxylic acid copoly

Details Process for the preparation of polyhydroxycarboxylic acid copoly Process for the preparation of polyhydroxycarboxylic acid copoly

1997-03-12

1998-12-01

Mosley, Terressa

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

Synthetic resins

From carboxylic acid or derivative thereof

528271, 528274, 528275, 528283, 528354, 528357, C08G 1212

Patent

active

058440682

ABSTRACT:
A process for the preparation of a readily hydrolyzable and/or biodegradable polyhydroxycarboxylic acid resin which can be used in agricultural materials, gardening materials, fishery materials, caking materials, medical instruments and materials, etc. and, even when discarded after use, which undergoes hydrolysis and/or is biodegraded into carbon dioxide, water, etc. Also disclosed are a hydrolyzable and/or biodegradable polyhydroxycarboxylic acid resin composition having an increased resin strength and melt viscosity, and a process for the preparation thereof.

REFERENCES:
patent: 5310865 (1994-05-01), Enomoto et al.
patent: 5386004 (1995-01-01), Obuchi et al.
patent: 5616783 (1997-04-01), Yoshida et al.
patent: 5646238 (1997-07-01), Ikeda et al.

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