Polymeric film

Details Polymeric film Polymeric film

2011-04-19

2011-04-19

Kruer, Kevin R. (Department: 1787)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C525S240000, C427S445000

Reexamination Certificate

active

07927712

ABSTRACT:
There is described a biaxially oriented polyolefin single or multi-layer film which comprises at least one core layer comprising a propylenic polymer component and either an ethylenic polymer component (preferably 0.2% to 8% by weight of core layer) or a styrenic polymer component (preferably 0.2% to 25% by weight of core layer). The films have a dynamic loss modulus (E″), at 3 Hz and 25° C., of 28 to 136 MPa (TD) and/or 73 to 135 MPa (MD) as well as a dynamic storage modulus (E′), at 3 Hz and 25° C., of 630 to 2800 MPa (TD) and/or 1300 to 3000 MPa (MD). These films are suitable for use as a label facestock with improved conformability for example to provide improved labels for squeezable containers.

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