Composite plastics film or sheet

Details Composite plastics film or sheet Composite plastics film or sheet

B - Operations, Transporting

32

B

B32B 27/20 (2006.01) B32B 27/32 (2006.01) B41M 1/30 (2006.01)

Patent

CA 2156896

This invention relates to a co-extruded film or sheet comprising a base layer and at lease one surface layer, characterised in that the base layer comprises a polyolefin and has a thickness greater than about 10µm, and the surface layer comprises a polyolefin and a silica filler and has a thickness less than about 50µm The surface layer contains from 10 to 60% w/w of silica based on the polyolefin content of said surface layer. Films and sheets of this type have superior absorbent properties for imprinting media such as eg ink.

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