High density polyethylene shrink film

Details High density polyethylene shrink film High density polyethylene shrink film

1993-03-19

1994-05-24

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428516, 428520, 428910, 206497, B32B 712, B32B 2768, B65D 3300

Patent

active

053147499

ABSTRACT:
A multiple layer shrink film with improved moisture barrier properties is oriented in the longitudinal and/or transverse directions, and comprises an internal layer comprising high density polyethylene, and outer layers each comprising olefinic polymer or copolymer. Intermediate polymeric adhesive layers can optionally be included in those coextruded embodiments which do not melt bond adequately in the absence of such intermediate layers.

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patent: 4828928 (1989-05-01), Shah
patent: 4978572 (1990-12-01), Akao
patent: 5185203 (1993-02-01), Itaba et al.
US New Biax Film Technology, Technology News.

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