Multi-layer shrink film

Details Multi-layer shrink film Multi-layer shrink film

1988-02-25

1990-08-14

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428516, 428910, B32B 2700, C09J 702

Patent

active

049486578

ABSTRACT:
A multi-layer shrink film obtained by forming an assembly which comprises an interlayer comprising a flexible propylene resin having a Vicat softening point of 115.degree. C. or less and/or a linear very low-density polyethylene having a density less than 0.91 g/cm.sup.3 sandwiched between outermost layers comprising a propylene resin having a Vicat softening point higher than that of the flexible propylene resin of interlayer and within the range of 80.degree.-150.degree. C. followed by stretching said assembly is disclosed. The film obtained according to the present invention is well suited for a multi-layer shring packaging film and the like.

REFERENCES:
patent: 4551380 (1985-05-01), Schoemberg
patent: 4720427 (1988-01-01), Clauson et al.
patent: 4786562 (1988-11-01), Kakugo et al.

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