Method for the orientation of thermoplastic polyether ether...

Details Method for the orientation of thermoplastic polyether ether... Method for the orientation of thermoplastic polyether ether...

B - Operations, Transporting

29

C

18/1030, 18/1043

B29C 55/18 (2006.01) B29C 55/00 (2006.01) C08J 5/18 (2006.01) C08L 71/00 (2006.01)

Patent

CA 1178011

SO-1-27509C/YT/82 ABSTRACT OF THE DISCLOSURE A method for the orientation of a thermoplastic polyether ether ketone film or sheet is described, which comprises calendering the thermoplastic polyether ether ketone film or sheet containing therein a repeating unit represented by the formula: Image singly or in combination with one or more different repeat- ing units at a linear pressure of at least 100 kg/cm by the use of at least one pair of pressure rolls maintained within a temperature range of from 80°C to 320°C while applying a backward tension of at least 80 kg/cm2.

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