Self-welding packaging film

Details Self-welding packaging film Self-welding packaging film

B - Operations, Transporting

32

B

154/140, 18/783,

B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08L 23/04 (2006.01) C09J 123/04 (2006.01)

Patent

CA 1113371

Abstract of the Disclosure This invention is a process for making a self-welding packaging film by blending at least two ethylene polymers, one of the polymers having a melt flow substantially greater than any of the other polymers in the blend, and thereafter extruding a film from the blend. The film may be self-supporting or it may be an inner layer in a multi-ply film. Preferred ethylene polymers for the blend are the ethylene-vinyl acetate copolymers wherein one copolymer has a melt flow of less than 5.0 and the other has a melt flow greater than 28Ø

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