Biodegradable polymer compositions and shrink films

Details Biodegradable polymer compositions and shrink films Biodegradable polymer compositions and shrink films

1996-08-28

1999-02-02

Szekely, Peter A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525186, 525190, 525437, 525450, 525411, 525413, 525415, C08G 6308, C08G 6316, C08L 3106, C08L 6704

Patent

active

058666346

ABSTRACT:
The present invention provides a novel biodegradable polymer compositions effecting superiority in elongation at break, Izod impact strength and mold releasability which has not been obtained before the past and provides a biodegradable shrink film exceling in transparency, strength, flexibility, mold releasability and shrinkability by applying the biodegradable polymer composition to the shrink film. Thus, the biodegradable polymer compositions are provided which comprise as a main component a mixture of two or more of polylactic acids, glycol/aliphatic dicarboxylic acid copolymers and polycaprolactones and these biodegradable polymer compositions are applied to shrink films.

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