Decomposable packing material

Details Decomposable packing material Decomposable packing material

1993-10-22

1996-04-30

Carrillo, Ana L.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 355, 428220, 525425, 525433, 525938, B29D 2200, B32B 108

Patent

active

055123392

ABSTRACT:
This invention relates to decomposable polyamide masses for packaging materials containing 5 to 25% by weight of an addition of linear, oligomeric aliphatic polyesters or polycarbonates with molecular weights from 800 to 4000. These additives preferably consist of polyesters of aliphatic diols and dicarboxylic acids having up to 10 carbon atoms or aliphatic carbonates having up to 10 carbon atoms.
The use of such mixtures for easily degradable, decomposable polyamide packages is also claimed, in particular in the form of films or thin walled injection moulded parts for (food) packaging.

REFERENCES:
patent: 4820771 (1989-04-01), Mussig et al.
patent: 5137688 (1992-08-01), DeRudder
patent: 5225490 (1993-07-01), Tokiwa et al.
Derwent Accession No. 91-068 331, Questel Telesystems (WPIL) Derwent Publications Ltd. London, Abstract & JP-a-03-015 469 (Tahei San Sho).
Patent Abstracts of Japan unexamined application, C Field, Band 5, Nr. 71, 13, Mai 1981 The Patent Office Japanese Govt. Seit 135 C 54.

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