Title:
【発明の名称】化学的バリヤーを有する複合ファブリック
Document Type and Number:
Japanese Patent JP2702580
Kind Code:
B2
Abstract:
A multilayer chemical barrier fabric is made up of a base sheet of nonwoven polypropylene laminated on one side to a multilayer film sheet having a film of ethylene vinyl alcohol sandwiched between films of nylon with a surface film if linear low-density polyethylene bonded to the outer film of nylon and laminated on the other side to a multilayer film sheet having a central film of polyvinylidine chloride, an inner film of ethylene vinyl acetate, and an outer film of low-density polyethylene. Fabrics having this structure show resistance to breakthrough within eight hours for all fifteen chemicals listed on the ASTM F1001 chemical test battery. A composite fabric having the above structure, but omitting the multilayer film that contains polyvinylidine chloride, is also disclosed.
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Inventors:
Langley, John Dee
Application Number:
JP50528089A
Publication Date:
January 21, 1998
Filing Date:
May 02, 1989
Export Citation:
Assignee:
Coupler Safety Group
International Classes:
A62D5/00; B32B27/12; B32B27/20; B32B27/28; B32B27/30; B32B27/32; B32B27/34; B32B27/02; (IPC1-7): B32B27/12; B32B27/20; B32B27/28; B32B27/30; B32B27/32; B32B27/34
Attorney, Agent or Firm:
Sota Asahina (2 outside)