Multilayer, transparent, sealable, biaxially oriented...

Details Multilayer, transparent, sealable, biaxially oriented... Multilayer, transparent, sealable, biaxially oriented...

2005-02-15

2005-02-15

Chen, Vivian (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

C428S212000, C428S213000, C428S215000, C428S216000, C428S331000, C428S336000, C428S480000, C428S690000, C428S690000, C428S910000, C264S288400, C264S289300, C264S290200

Reexamination Certificate

active

06855395

ABSTRACT:
The invention relates to a biaxially oriented, sealable polyester film with at least one base layer (B), with a sealable outer layer (A) and with another, non-sealable outer layer (C). The sealable outer layer (A) has a minimum sealing temperature (fin) of not more than 110° C. and a seal seam strength (fin) of at least 1.3 N/15 mm of film width. The two outer layers (A) and (C) are characterized by particular features. The film of the invention is particularly suitable for use in flexible packaging, and particularly and specifically for use on systems which operate in a vacuum.

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