Preparation of multilayer polyethylene thin films

Details Preparation of multilayer polyethylene thin films Preparation of multilayer polyethylene thin films

2005-02-09

2011-10-11

Kruer, Kevin R. (Department: 1787)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S910000, C264S291000

Reexamination Certificate

active

08034461

ABSTRACT:
A method for making multilayer thin films is disclosed. The method of comprises orienting a thick multilayer film in the machine direction at a drawdown ratio effective to produce a multilayer thin film. The thick multilayer film has a thickness within the range of 1 mil to 5 mils and comprises at least one layer of a linear low density polyethylene (LLDPE) and at least one layer of a high density polyethylene (HDPE) or a medium density polyethylene (MDPE).

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