Shrink films from propylene polymers

Details Shrink films from propylene polymers Shrink films from propylene polymers

1996-07-30

1998-04-21

Teskin, Fred M.

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

428 349, 428 355, 428 357, 428 3692, 428500, 428523, 428910, 5263481, 5263485, 5263486, 526351, B65B 5300

Patent

active

057415633

ABSTRACT:
Shrink films prepared from metallocene catalyzed propylene homopolymers and copolymers are provided. The films exhibit a unique balance of properties as compared to known shrink films including higher stiffness, tensile strength and moisture barrier, lower extractables, improved shrinkage and increased shrink tension. In addition, the shrink behavior of the film can be substantially tailored by modifying the amount of comonomer present in the propylene polymer.

REFERENCES:
patent: 5234733 (1993-08-01), Schloegl et al.
patent: 5292561 (1994-03-01), Peiffer et al.
patent: 5298302 (1994-03-01), Boice et al.
patent: 5372882 (1994-12-01), Peiffer et al.
patent: 5420220 (1995-05-01), Cheruvu et al.
patent: 5443765 (1995-08-01), Yoshimura et al.

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