<p>An oxygen and moisture impermeable multilayer barrier film is provided including a barrier layer comprising a homopolymer of vinylidene chloride or a copolymer of vinylidene chloride and vinyl chloride or methyl methacrylate. The barrier layer may be coated onto or coextruded with a water soluble film layer comprising a blend of a water soluble polymer such as polyvinyl alcohol, polycaprolactone, or polyethyloxozaline and a thermoplastic polyurethane. The multilayer film may be used for reusable or disposable ostomy bags and for heat sealable bags used in packaging agricultural chemicals, detergents, and other household chemicals.</p>
申请公布号
DE69403487(D1)
申请公布日期
1997.07.03
申请号
DE1994603487
申请日期
1994.08.26
申请人
THE DOW CHEMICAL CO., MIDLAND, MICH., US
发明人
ALLEN, SCOTT, I., NEWARK, OH 43055, US;FOYE, DUANE, F., BEAVERTON, MI 48612, US;FERGUSON, MICHAEL, GRANVILLE, OH 43023, US