Biaxially stretched polyester film

Details Biaxially stretched polyester film Biaxially stretched polyester film

1992-04-23

1994-06-28

Nakarani, D. S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428327, 428480, 428483, B29K 6700

Patent

active

053245741

ABSTRACT:
A novel biaxially stretched polyester film having excellent transparency and slipperiness is disclosed. The biaxially stretched polyester comprises a polyester composition which exhibits a film haze of not more than 1% after it is made into a film having a thickness of 100 .mu.m and 50-500 ppm on the basis of the weight of monodispersed cross-linked high polymer particles having an average particle diameter of 0.8-1.4 .mu.m and exhibits a deformability of 1.2-5.0 in a biaxially stretched polyester film.

REFERENCES:
patent: 4590119 (1986-05-01), Kawakami et al.
patent: 5100719 (1992-03-01), Endo et al.
Patent abstract, Database WPI, Derwent Publications Ltd., AN 80-64919C.

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