Title:
【発明の名称】多層遮断フィルム
Document Type and Number:
Japanese Patent JPH09502671
Kind Code:
A
Abstract:
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 is coextruded with or laminated to at least one heat sealable skin layer comprising a thermoplastic polyurethane, a substantially linear copolymer of ethylene and an alpha -olefin, or a homogeneously-branched linear olefin resin to form the barrier film. The multilayer film may be used for reusable ostomy bags, for systems for the transdermal delivery of drugs, and for heat sealable bags used in packaging.
Inventors:
Allen, Scott Eye
Ferguson, Michael
Tan, Harvey
Ferguson, Michael
Tan, Harvey
Application Number:
JP50917995A
Publication Date:
March 18, 1997
Filing Date:
August 16, 1994
Export Citation:
Assignee:
The Dow Chemical Company
International Classes:
A61F5/445; B32B27/00; B32B27/08; B65D65/40; B65D81/24; (IPC1-7): B32B27/00; B65D81/24; B65D65/40; B32B27/08; A61F5/445
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)