Biaxilly oriented polyamide film and its production process

Details Biaxilly oriented polyamide film and its production process Biaxilly oriented polyamide film and its production process

1995-06-05

1997-03-18

Thurlow, Jeffery R.

Stock material or miscellaneous articles

Hollow or container type article

Flexible food casing

2642106, 2642107, 2642902, 426127, 428 352, 428458, 4284752, 4284755, 428910, B29C 4706, B32B 2734

Patent

active

056121059

ABSTRACT:
A biaxially oriented polyamide film which has not only excellent bending pinhole resistance and excellent dimensional stability but also excellent tear linearity in the longitudinal direction of the film. More specifically, the invention provides a biaxially oriented polyamide film having a tear linearity in the longitudinal direction of the film, which includes as a main material nylon 6 and an aliphatic polyamide resin mixed in a weight ratio of from 75:25 to 99:1, wherein the difference in surface tension (dyne/cm) between the nylon 6 and the polyamide other than nylon 6 satisfies the following relationship (1)

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patent: 4767651 (1988-08-01), Starczewski et al.
patent: 4963426 (1990-10-01), Nishimoto et al.
patent: 5126211 (1992-06-01), Mizutani et al.
patent: 5206309 (1993-04-01), Altman
patent: 5480690 (1996-01-01), Stenger et al.

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