High density polyethylene aluminum filled film as butter and...

Details High density polyethylene aluminum filled film as butter and... High density polyethylene aluminum filled film as butter and...

C - Chemistry, Metallurgy

08

K

18/521, 400/9467

C08K 3/08 (2006.01) B65D 65/02 (2006.01) C08K 3/34 (2006.01)

Patent

CA 1043931

ABSTRACT OF THE DISCLOSURE A wrapping material for butter or margarine is disclosed which comprises a high density polyethylene film made form polyethylene having a density in the range of from 0.945 to 0.970 g/cm3 and containing finely divided aluminum pigment, the aluminum pigment being present in an amount of at least 0.1 g/m2 of the film and the film having a thickness in the range of from 15 to 200 µm. The wrapping material of the present invention is more effective in protecting butter or margarine from deterioration of its flavour upon a storage in a brightly illuminated display case than are the conventional butter parchment paper and the thermoplastic films used heretofore for wrapping butter or margarine.

229826

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