Title:
MOISTURE PERMEABLE AND WATER RESISTANT SHEET AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2002210884
Kind Code:
A
Abstract:
To provide a moisture permeable and water resistant sheet excellent in moisture permeability and water resistance, and having high mechanical strength even if it is low in basic weight.
On one side of a film 12 having moisture permeability and water resistance, a spunbonded nonwoven fabric 13 having a basic weight of 20 g/m2 to 70 g/m2 is laminated as a surface protective layer having moisture permeability. On the other side of the film 12, a split yarn nonwoven fabric 11, which is formed by longitudinally and latitudinally laminating two monoaxially oriented net-like films, is laminated as a reinforcing layer having a net structure.
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Inventors:
SANO HIDEKAZU
SAKAMOTO KEIJI
SAKAMOTO KEIJI
Application Number:
JP2001014524A
Publication Date:
July 31, 2002
Filing Date:
January 23, 2001
Export Citation:
Assignee:
NIPPON PETROCHEMICALS CO LTD
International Classes:
B32B5/02; B32B5/26; B32B27/12; B32B27/32; B32B27/36; D04H3/033; D04H13/00; D04H13/02; D06N5/00; E04D12/00; (IPC1-7): B32B27/12; B32B5/02; B32B27/32; B32B27/36; D04H3/03; D04H13/02; D06N5/00; E04D12/00
Attorney, Agent or Firm:
Nobuyuki Kaneda (2 others)
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