Biaxially oriented polyester film

Details Biaxially oriented polyester film Biaxially oriented polyester film

1998-12-09

2000-12-19

Thibodeau, Paul

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428220, 428323, 428327, 428329, 428330, 428338, 428480, 428694SL, 428910, B32B 502, B32B 1902, B32B 2704, B32B 2736

Patent

active

061625272

ABSTRACT:
A biaxially oriented polyester film which consists of a polyester composition comprising 0.0005 to 0.03% by weight of crosslinked polymer particles having an average particle diameter d.sub.A of 0.8 to 1.6 .mu.m, 0.1 to 0.8% by weight of inert particles having an average particle diameter d.sub.B of 0.4 to 0.8 .mu.m, and 0.05 to 1.0% by weight of inert inorganic particles having an average particle diameter d.sub.C of 0.01 to 0.3 .mu.m and a Moh's hardness of not less than 7, and which satisfies the following equations (1) and (2):

REFERENCES:
patent: 5556691 (1996-09-01), Etchu et al.

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