Process for producing thermoformable polypropylene films and...

Details Process for producing thermoformable polypropylene films and... Process for producing thermoformable polypropylene films and...

B - Operations, Transporting

29

C

18/1043, 18/1072

B29C 51/04 (2006.01) B29C 51/00 (2006.01) B29C 51/10 (2006.01) B29C 55/04 (2006.01) B29C 55/00 (2006.01)

Patent

CA 2017698

Thermoformable polypropylene films and sheets and the process of producing same. The process comprises the steps of providing a polypropylene film or sheet, the film or sheet produced from a resin self from the group of homopolymers and copolymers of propylene and mixtures thereof and stretching the film or sheet in at least one direction to obtain a partial orientation of a degree effective to minimize sag during thermoforming. A process for thermoforming polypropylene is also provided.

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