Biaxially oriented polyester film

Details Biaxially oriented polyester film Biaxially oriented polyester film

1996-10-29

1999-01-12

Chen, Vivian

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428480, 428694ST, 428694SG, 428910, B32B 2718, B32B 2720, B32B 2736

Patent

active

058585273

ABSTRACT:
A biaxially oriented polyester film consisting essentially of a polyester resin, polytetrafluoroethylene resin particles having an average particle diameter of 3 to 8 .mu.m in an amount ranging from 0.3 to 0.6% by weight based on the weight of the polyester resin, and a polyacrylate dispersant in the amount 0.05 to 5 wt % based on the weight of polytetrafluoroethylene particles. The film possesses excellent surface properties, e.g., abrasion resistance, scratch resistance, transparency, void resistance, surface smoothness, slurry stability, running property and dielectric strength.

REFERENCES:
patent: 5006589 (1991-04-01), Sakamoto et al.
patent: 5096773 (1992-03-01), Sakamoto
patent: 5164439 (1992-11-01), Sakamoto et al.
patent: 5194327 (1993-03-01), Takahashi et al.
patent: 5569532 (1996-10-01), Lee et al.

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