Monoxially-oriented and annealed films with high cross...

Details Monoxially-oriented and annealed films with high cross... Monoxially-oriented and annealed films with high cross...

2006-06-02

2009-11-03

Huson, Monica A (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

C264S146000, C264S210700, C264S235000

Reexamination Certificate

active

07611652

ABSTRACT:
A monoaxially-oriented polymeric film material formed from an impact copolymer and having increased toughness relative to films that are monoaxially-oriented at conventional temperatures. A process for imparting high cross machine toughness to polymer films comprises forming a film; subjecting the film to monoaxial orientation, drawing the film; tempering the film, and annealing the film.

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