Title:
【発明の名称】繊維及びフィルムの製造法
Document Type and Number:
Japanese Patent JPH08500640
Kind Code:
A
Abstract:
PCT No. PCT/GB93/01753 Sec. 371 Date Feb. 7, 1995 Sec. 102(e) Date Feb. 7, 1995 PCT Filed Aug. 18, 1993 PCT Pub. No. WO94/04724 PCT Pub. Date Mar. 3, 1994A water-absorbent water-insoluble fibre or film is produced by extruding an aqueous solution of a water-soluble polymer into a gaseous medium to form fibre or film. The extruded fibre or film is collected at a moisture content of 8 to 25% based on the dry weight of the fibre or film and is further dried at a temperature no greater than 100 DEG C. before crosslinking the fibre or film at a temperature in the range 125 DEG to 250 DEG C. to a degree sufficient that the crosslinked fibre or film is water-insoluble. The fibre or film entering the crosslinking step has a moisture content which is reduced, preferably by at least 5%, and which is in the range 0 to 10%. Heat-crosslinked fibre is preferably treated with moist air after crosslinking to raise the moisture content of the fibre to at least 10%, particularly if the fibre is for textile processing. Water-absorbent water-insoluble coatings can be produced by a similar process.
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Inventors:
Branskill, william
Careful, John Frederick
Acres, Paul John
Careful, John Frederick
Acres, Paul John
Application Number:
JP50604594A
Publication Date:
January 23, 1996
Filing Date:
August 18, 1993
Export Citation:
Assignee:
Courtolls Fibers (Holdings) Limited
International Classes:
A61F13/53; A61F13/49; C08J5/18; D01D5/04; D01F6/00; D01F6/36; (IPC1-7): D01F6/00; A61F13/46; C08J5/18; D01D5/04; D01F6/36
Attorney, Agent or Firm:
Takashi Ishida (3 others)