Thermo-shrinkable polyester film

Details Thermo-shrinkable polyester film Thermo-shrinkable polyester film

2007-12-11

2007-12-11

Chen, Vivian (Department: 1773)

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

C428S034900, C428S480000, C428S910000, C528S302000, C528S305000, C528S307000, C528S308000, C528S308100, C528S308600, C264S288400, C264S290200

Reexamination Certificate

active

11668237

ABSTRACT:
The present invention relates to a thermo-shrinkable polyester film with a superior thermal shrinkage, which has an orientation angle of a molecular chain in a range of from 0° to about ±10° relative to a main shrinkage direction, and a molecular orientation ratio (MOR) in a range of from 1.29 to about 2.5, thereby preventing a label made from the film from curling or waving.

REFERENCES:
patent: 5411695 (1995-05-01), Yamada et al.
patent: 5529879 (1996-06-01), Hoshino et al.
patent: 5574119 (1996-11-01), Yamada et al.
patent: 5989680 (1999-11-01), Wakana et al.
patent: 6168851 (2001-01-01), Kubota
patent: 6268558 (2001-07-01), Kubota
patent: 6781148 (2004-08-01), Kubota et al.
patent: 9505726 (1995-05-01), None

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