Biaxially oriented polypropylene film having increased dimension

Details Biaxially oriented polypropylene film having increased dimension Biaxially oriented polypropylene film having increased dimension

1997-11-10

2000-07-11

Thibodeau, Paul

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428349, 428515, 428516, 428910, 5263481, 526351, 526943, 36417315, 3642358, 3642902, B32B 2732, C08F 1006

Patent

active

060869828

ABSTRACT:
A biaxially oriented polypropylene film is described. The n-heptane-insoluble content of the film has a chain isotactic index, measured by .sup.13 C-NMR spectroscopy, of at least 97%. In addition, a process for the production of the polypropylene film and the use of the film are described.

REFERENCES:
patent: 4622237 (1986-11-01), Lori
patent: 4668753 (1987-05-01), Kashiwa et al.
patent: 4975315 (1990-12-01), Bothe et al.
patent: 5236622 (1993-08-01), Yoneda et al.
patent: 5236680 (1993-08-01), Nakazawa et al.
patent: 5416178 (1995-05-01), Winter
patent: 5474820 (1995-12-01), Murschall et al.
patent: 5529843 (1996-06-01), Dries et al.

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