Thermoplastics film

Details Thermoplastics film Thermoplastics film

B - Operations, Transporting

29

C

18/527

B29C 49/04 (2006.01) B29C 59/04 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1218207

53l7(2) ABSTRACT OF THE DISCLOSURE Thermoplastics film having a thickness not greater than 100 microns preferably not greater than 50 microns comprising at least 70 wt % high density polyethylene (density not less than 935 kg m-3) characterised in that the film has a total haze (ASTMD 1003-61/70, Procedure A) less than 50% and a clarity (ASTMD 1746-70) of at least 25%. The film can be manufactured by pressing raw polyolefin film between smooth surfaces at a temperature at least sufficient to cause plastic deformation and levelling of the film surface.

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