Heat-sealable polypropylene films

Details Heat-sealable polypropylene films Heat-sealable polypropylene films

B - Operations, Transporting

32

B

18/1039, 154/140

B32B 27/08 (2006.01) B32B 27/00 (2006.01) B32B 27/32 (2006.01) C08J 7/04 (2006.01) C09J 123/16 (2006.01)

Patent

CA 1156011

ABSTRACT A heat-sealable oriented polypropylene film comprising a base oriented polypropylene film having on one surface a layer of a random propylene/ethylene copolymer (ethlene content 2-6% by weight) and on the other surface a predominantly linear random copolymer of ethlene and further alpha olefin having at least three carbon atoms per molecule (for example propylene and butene-1) the further alpha olefin content being 6-40% by weight. The film is particularly useful for packaging merchandise on horizontal form-fill-seal packaging machines.

335079

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