Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1996-07-19
1998-07-14
Thibodeau, Paul J.
Stock material or miscellaneous articles
Composite
Of polycarbonate
428458, 428480, B32B 1508, B32B 2736, C08J 518
Patent
active
057801584
ABSTRACT:
A biaxially oriented film to be laminated on a metal, which is a laminate film comprising (A) a first layer of a polyester comprising ethylene terephthalate as a main recurring unit; and (B) a second layer formed from a composition of a polycarbonate and polyesters, the polycarbonate and the polyesters being each contained in amounts of 20 to 50% by weight and 50 to 80% by weight based on the total thereof; the polyesters consisting essentially of a first polyester comprising ethylene terephthalate as a main recurring unit and having a terminal carboxyl group concentration of more than 5 eq./10.sup.6 g and a second polyester comprising butylene terephthalate as a main recurring unit and having a terminal carboxyl group concentration of less than 20 eq./10.sup.6 g; and the first and second polyesters being each contained in an amount of 10 to 90% by weight based on the total thereof; and in which (C) the plane orientation coefficients of the first layer and second layer are both in the range of 0.05 to 0.10.
Asai Takeo
Hasegawa Kinji
Kubo Koji
Kudo Takafumi
Minamihira Yukihiko
Rickman Holly C.
Teijin Limited
Thibodeau Paul J.
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