Composite laminate

Details Composite laminate Composite laminate

1992-09-25

1995-04-25

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428 2, 428910, 428481, 428483, 428535, 428536, 428913, 428 41, 427394, 427395, 264291, 26417717, 156344, B32B 2736, A61L 1500

Patent

active

054097720

ABSTRACT:
A biodegradable composite laminate for the manufacture of packaging containers is provided. The composite laminate comprises 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: 4503098 (1985-03-01), Potts
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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