Storm window film comprising at least five layers

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified

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428332, 428515, 428516, 428520, B32B 2708

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active

045144656

ABSTRACT:
A five layered thermoplastic film having a desired combination of physical characteristics is disclosed. The film may be utilized to form storm windows. A preferred palindromic embodiment of the film comprises a core layer consisting essentially of either (a) a copolymer of ethylene and vinyl acetate or (b) a three component blend of (a) a linear low density polyethylene, (b) a linear medium density polyethylene and (c) an ethylene vinyl acetate copolymer. The preferred embodiment also comprises two intermediate layers each consisting essentially of a linear low density polyethylene and two surface layers each consisting essentially of a four component blend of (1) a linear low density polyethylene, (2) a linear medium density polyethylene, (3) a copolymer of ethylene and vinyl acetate and (4) one or more light stabilizers. Appropriate slip, antiblock and antioxidant agents may also be present.

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