Fine cell-containing polyester film

Details Fine cell-containing polyester film Fine cell-containing polyester film

1998-08-11

2000-10-10

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524229, 524318, 524385, C08K 509

Patent

active

061302783

ABSTRACT:
A fine cell-containing polyester film of the present invention comprises 70 to 97% by weight of a polyester and 3 to 30% by weight of a thermoplastic resin immiscible with polyester and produced by stretching at least one direction, the difference in gloss between opposite surfaces of said polyester film being not less than 3%, and a gloss of one surface of said polyester film being not less than 25%. Such a fine cell-containing polyester film is excellent in gloss, printability, transport property and/or flexibility.

REFERENCES:
patent: 4857396 (1989-08-01), Otonari
patent: 4871784 (1989-10-01), Otonari
patent: 5069953 (1991-12-01), Kishikawa
patent: 5422175 (1995-06-01), Ito

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