Shrinkable copolyester film

Details Shrinkable copolyester film Shrinkable copolyester film

1993-08-16

1994-08-23

Acquah, Samuel A.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

528272, 528301, 528302, 528307, 5283086, 428357, 428480, B29D 2200

Patent

active

053406249

ABSTRACT:
A shrinkable copolyester film having shrinkage of not less than 30% in either the machine direction or transverse direction after specific heat treatment. The shrinkable copolyester film of the present invention is excellent in shrinkage properties and is substantially free from wrinkles, and uneven shrinkage. The copolyester is useful as a shrinkage label for PET bottles.

REFERENCES:
patent: 4020141 (1977-04-01), Quinn et al.
patent: 4766033 (1988-08-01), Yoshimura et al.
patent: 5070180 (1991-12-01), Fukuda et al.
patent: 5240779 (1993-08-01), Ono et al.

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