Peelable and heat sealable lidstock material for plastic...

Details Peelable and heat sealable lidstock material for plastic... Peelable and heat sealable lidstock material for plastic...

B - Operations, Transporting

32

B

B32B 15/08 (2006.01) B32B 27/32 (2006.01) B65D 53/08 (2006.01)

Patent

CA 2197959

A peelable and heat sealable lidstock material comprises a metal or polymer substrate laminated with a film comprising a mixture of a butene-1 and ethylene copolymer, an ethylene homopolymer or copolymer, an inorganic filler and optionally, a propylene homopolymer or copolymer. The filler makes up at least about 18 wt.% of the mixture and is preferably talc having an average particle size of about 1- 2 microns and a carboxylic acid surface coating.

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