Document Type and Number:
Japanese Patent JPS6158203
Kind Code:
B2
Abstract:
A nonwoven fabric having a smooth surface, especially for use as support material for semipermeable membranes, comprising a support mat into which at least one surface thereof, an open-structured, continuous covering layer of fine, thermoplastic particles is calendered.
Inventors:
UORUFURAMU SHURUTOHAISU
KURAUSU SHUMITSUTO
KURAUSU SHUMITSUTO
Application Number:
JP13484477A
Publication Date:
December 10, 1986
Filing Date:
November 11, 1977
Export Citation:
Assignee:
FREUDENBERG CARL
International Classes:
D04H1/58; B01D63/00; B01D69/10; B32B3/10; B32B5/16; B32B27/02; D01F8/18; D01F9/08; D04H1/00; D04H1/44; D04H1/54; D04H3/03; D04H13/00; B01B; D04H