Highly shrinkable packaging film

Details Highly shrinkable packaging film Highly shrinkable packaging film

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08L 23/14 (2006.01) C08L 23/16 (2006.01) C08L 23/20 (2006.01) C08L 57/02 (2006.01)

Patent

CA 2121639

ABSTRACT OF THE DISCLOSURE A highly shrinkable packaging film comprising a stretched film of a resin composition comprising (A) 5 to 60 parts by weight of a 1-butene-based polymer, (B) 30 to 90 parts by weight of a propylene-ethylene-based random copolymer, and (C) 5 to 50 parts by weight of at least one member selected from a petroleum resin, a hydrogenated petroleum resin and a terpene resin. The packaging film of the present invention exhibits high flexibility, high heat shrinkage and low natural shrinkage, and after the shrink- packaging, it has beautiful appearance with no loosening or sagging. Also, it can be produced by stretching the film at a temperature lower than the temperature used in conventional packaging films.

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