Biaxially oriented film having high scratch and abrasion resista

Details Biaxially oriented film having high scratch and abrasion resista Biaxially oriented film having high scratch and abrasion resista

1986-02-19

1988-06-14

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

26417719, 2641772, 26421112, 264212, 428480, 528272, 5283082, B32B 516, B32B 2736, B28B 2154, C06G 6302

Patent

active

047511397

ABSTRACT:
A biaxially oriented and heat set film having improved abrasion resistance is described, whose distinguishing characteristics are that it has a density of more than 1.38 g/cm.sup.3 and that the following relationship exists between the orientation birefringence (.DELTA.n), the reduced specific viscosity (RSV), and the temper peak (Tp) of the film:

REFERENCES:
patent: 3577510 (1971-05-01), Schmitz et al.
patent: 4398642 (1983-08-01), Okudaira et al.
patent: 4482586 (1984-11-01), Smith et al.
patent: 4489117 (1984-12-01), Ono et al.
patent: 4508782 (1985-04-01), Miura et al.
patent: 4535025 (1985-08-01), Jabarin
patent: 4606976 (1986-08-01), Hensel et al.

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