Biaxially oriented polyester film containing an aluminum hydrate

Details Biaxially oriented polyester film containing an aluminum hydrate Biaxially oriented polyester film containing an aluminum hydrate

1995-03-20

1996-12-03

Le, Hoa T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428329, 428330, 428331, 428332, 428480, 428483, 428910, B32B 516

Patent

active

055806520

ABSTRACT:
The present invention relates to a biaxially oriented polyester film comprising the inorganic particulate slip agent of aluminum hydroxide or .THETA.-alumina having an average diameter ranging from 0.1005 to 3 .mu.m and Mohs hardness of 6 or more, in an amount ranging from 0.01 to 4 wt % based on the weight of the polyester, which has improved surface properties, abrasion resistance and scratch resistance.

REFERENCES:
patent: 4880700 (1989-11-01), Charmot et al.
patent: 5096773 (1992-03-01), Sakamoto
patent: 5279881 (1994-01-01), Kotani
patent: 5429855 (1995-07-01), Kotani et al.

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