Polyolefin film
AssigneeImperial Chemical Industries PLC
InventorsMichael J. Packham, Bernard C. Bushnell
Life of this patent
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Abstract
A polymeric film has a biaxially oriented substrate layer of a propylene polymer having an X-ray scattering phi (.phi.) scan full width half maximum (FWHM) value greater than 16.0.degree.. The film preferably comprises a polymeric heat-sealable layer on at least one surface of the substrate.
Claims3
A film comprising a biaxially oriented substrate layer of a propylene polymer, characterised in that the film has an X-ray scattering phi (.phi.) scan full width half maximum (FWHM) value, of greater than 16.0.degree. and a polymeric heat-sealable layer on at least one surface of the propylene polymer substrate layer.
Dependencies are inferred from the claim text.