Process for improving the mechanical properties of single-or mul

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article

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264171, 2642101, 26421111, 2642884, 2642902, 428516, 428532, 428910, 523124, 523125, 523126, 524 52, 524583, 524585, 525 88, B29C 4700, B29C 4706, B29C 5512, B29C 5516

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054158273

ABSTRACT:
For the purpose of improving the quality and especially the mechanical properties of single- or multi-ply sheets with at least one ply, consisting at least in part of thermoplastically processable starch, the sheets are stretched monoaxially or biaxially after they have been produced.

REFERENCES:
patent: 4931488 (1990-06-01), Chiquet
patent: 5045620 (1991-09-01), Itaba et al.
patent: 5133909 (1992-07-01), Suominen
patent: 5234750 (1993-08-01), Akao
"Biaxial Orientation", Encyclopedia of Polymer Science Technology, vol. 2 pp. 339-345, 1965.

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