Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
Patent
1994-07-21
1996-04-30
Cannon, James C.
Stock material or miscellaneous articles
Hollow or container type article
Nonself-supporting tubular film or bag
426127, 427471, 427536, 427209, 427223, 427307, 427322, 4274121, 4274123, 4274125, 428 367, 4284761, 428483, 428500, 428518, 428910, B32B 2700, B32B 2716, B32B 2726, B32B 3300
Patent
active
055123384
ABSTRACT:
A polymeric film structure having improved oxygen, flavor/odor, grease/oil and moisture barrier characteristics is disclosed. The structure includes a polymeric core sandwiched between an oxygen barrier on one side thereof and a moisture barrier on the other side of the polymeric core. The oxygen barrier includes polyvinyl alcohol cross-linked with aldehyde containing cross-linking agents in the presence of a catalytic amount of an inorganic acid, preferably sulfuric acid. The moisture barrier is a coating of polyvinylidene chloride, which also enhances the oxygen barrier of the polymeric film structure.
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Bianchini Eber C.
Knoerzer Anthony R.
Parr Larry A.
Reid Leland W.
Cannon James C.
McKillop Alexander J.
Mobil Oil Corp.
Santini Dennis P.
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