Biaxially oriented, laminated polyester film

Details Biaxially oriented, laminated polyester film Biaxially oriented, laminated polyester film

1997-01-15

1998-05-05

Short, Patricia A.

Stock material or miscellaneous articles

Composite

Of polyester

428910, B32B 2706, B32B 2736

Patent

active

057471746

ABSTRACT:
Disclosed is a biaxially oriented, laminated polyester film having a Young's modulus of 10-250 kg/mm.sup.2 and formed by laminating layers of polyester B on both surfaces of a layer of polyester A whose main constituent is an ethylene terephthalate having a glass transition temperature of not higher than 50.degree. C. This film not only has characteristics that the conventional polyester films do not possess, such as impact resistance, resistance to pinhole generation and low-temperature performance, but also is excellent in flexibility.

REFERENCES:
patent: 4636442 (1987-01-01), Beavers et al.
Whelan, T. Polymer Technology Dictionary pp. 173, 323 Chapman & Hall, London (1994).

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