Method for the manufacture of a composite laminate

Details Method for the manufacture of a composite laminate Method for the manufacture of a composite laminate

1994-10-26

1996-03-12

Sluby, P. C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

428335, 428480, 428481, 428535, 428536, 156344, B29C 4702

Patent

active

054983851

ABSTRACT:
A biodegradable composite laminate for the manufacture of packaging containers is provided. The composite laminate includes a straight-chain, biodegradable 3-hydroxybutyric acid/3-hydroxyvaleric acid copolyester in a thin film which has been laminated on at least one surface of a sheet-like substrate. A polymeric blend of a poly-.epsilon.-caprolactone with the straight-chain copolyester may be employed in the place of the straight-chain copolyester alone. The method for the manufacture thereof is also provided.

REFERENCES:
patent: 4427614 (1984-01-01), Barham et al.
patent: 4503098 (1985-03-01), Potts
patent: 4521467 (1985-06-01), Berger
patent: 4603070 (1986-07-01), Steel et al.
patent: 5124371 (1992-06-01), Tokiwa et al.
patent: 5171309 (1992-12-01), Gallagher et al.

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