Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1990-08-03
1996-02-13
Kiliman, Leszek
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 367, 428 69, 4284744, 4284743, 4284755, 4284758, 4284763, 4284761, 4284769, B29D 2200, B32B 2708
Patent
active
054910099
ABSTRACT:
A multi-layer film useful in vacuum skin packaging and other packaging applications, and having a combination of good implosion resistance, formability and high oxygen barrier characteristics, includes a core layer having an oxygen barrier material such as ethylene vinyl alcohol copolymer (EVOH) and a layer or layers comprising an amorphous nylon with or without a low flexural modulus polymeric material such as low modulus nylon (polyamide or copolyamide). Layers of ethylene vinyl acetate copolymer (EVA) or other olefin homopolymers or copolymers, polymeric adhesive layers, a heat-sealable layer, and a heat resistant layer are also disclosed. A composition of matter comprising a blend of an amorphous nylon and a low modulus polymeric material, especially a low modulus nylon, is also disclosed.
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Kiliman Leszek
Quatt Mark B.
W. R. Grace & Co.,-Conn.
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