Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers
Patent
1995-12-19
1997-02-18
Choi, Kathleen
Stock material or miscellaneous articles
Composite
Of addition polymer from unsaturated monomers
428 343, 428 354, 428 366, 428 367, 428511, 428513, 428514, 428913, B32B 2700, B32B 2716, B32B 2726
Patent
active
056040423
ABSTRACT:
A polymeric film structure having improved oxygen, flavor/odor, grease/oil and moisture barrier characteristics is disclosed. The structure includes a polymeric substrate adapted to receive an oxygen barrier on one side thereof and a moisture barrier on the other side of the oxygen barrier. The oxygen barrier includes polyvinyl alcohol cross-linked with aldehyde containing cross-linking agents in the presence of a catalytic amount of sulfuric acid. The moisture barrier can be provided by the carrier web or incorporated into the cellulosic material, which is preferably box board.
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Bianchini Eber C.
Knoerzer Anthony R.
Parr Larry A.
Reid Leland W.
Choi Kathleen
Mobil Oil Corporation
Santini Dennis P.
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