GB1111807A - Process for wet spinning elastic polyurethane fibers - Google Patents

Process for wet spinning elastic polyurethane fibers

Info

Publication number
GB1111807A
GB1111807A GB53912/65A GB5391265A GB1111807A GB 1111807 A GB1111807 A GB 1111807A GB 53912/65 A GB53912/65 A GB 53912/65A GB 5391265 A GB5391265 A GB 5391265A GB 1111807 A GB1111807 A GB 1111807A
Authority
GB
United Kingdom
Prior art keywords
filaments
bath
solution
coagulating bath
dimethylformamide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB53912/65A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of GB1111807A publication Critical patent/GB1111807A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/06Wet spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/70Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

1,111,807. Wet spinning elastomeric polyurethane filaments. MONSANTO CO. 20 Dec., 1965 [21 Dec., 1964], No. 83912/66. Heading B5B. Elastomeric polyurethane filaments are produced by wet spinning a solution of a segmented polyurethane polymer in an organic solvent into a coagulating bath consisting of water and the organic solvent, drawing the filaments upwards along a vertical path from the spinneret face through the coagulating bath a distance of 0À5 to 3À0, preferably 1À5 to 2À0 inches at a rate of withdrawal which will result in the filaments remaining in the bath for 0À025 to 0À2 second, preferably 0À075 to 0À1 second, so that the filaments emerge from the bath in a direction which is normal to the surface of the coagulating bath and forwarding the filaments for further processing after their emergence from the coagulating bath. The solvent may be dimethylformamide or dimethylacetamide, dimethylsulphoxide or hexamethphosphoramide. The aqueous coagulating bath is preferably maintained at about 60‹ to 90‹ C. and the percentage of organic solvent in the bath may be about 1 to 40%. In an example, the polymer solution is formed by first forming a solution of a " prepolymer " by reacting a polycaprolactone with 4,4<SP>1</SP> methylenediphenyl diisocyanate in dimethylformamide solvent and the solution is added to a solution of ethylene diamine in dimethylformamide to give a spinning dope containing 15% solids. In all the examples the filaments formed are washed, dried and taken up after their emergence from the bath.
GB53912/65A 1964-12-21 1965-12-20 Process for wet spinning elastic polyurethane fibers Expired GB1111807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419779A US3388200A (en) 1964-12-21 1964-12-21 Process for wet spinning elastic fibers

Publications (1)

Publication Number Publication Date
GB1111807A true GB1111807A (en) 1968-05-01

Family

ID=23663726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53912/65A Expired GB1111807A (en) 1964-12-21 1965-12-20 Process for wet spinning elastic polyurethane fibers

Country Status (9)

Country Link
US (1) US3388200A (en)
BE (1) BE674131A (en)
CH (1) CH480455A (en)
DE (1) DE1660468A1 (en)
FR (1) FR1461054A (en)
GB (1) GB1111807A (en)
IL (1) IL24836A (en)
LU (1) LU50116A1 (en)
NL (1) NL6516600A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548047A (en) * 1967-02-23 1970-12-15 Union Carbide Corp Lubrication of spandex yarns
US5183614A (en) * 1989-01-26 1993-02-02 E. I. Du Pont De Nemours And Company Method for producing x-ray detectable spandex fibers
DE102006059932A1 (en) * 2006-12-19 2008-06-26 Robert Bosch Gmbh Method and device for producing a strand-shaped extrudate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL245712A (en) * 1958-11-24 1900-01-01
US3036878A (en) * 1959-09-25 1962-05-29 Globe Mfg Company Polyurethanes

Also Published As

Publication number Publication date
IL24836A (en) 1969-07-30
NL6516600A (en) 1966-06-22
BE674131A (en) 1966-06-21
US3388200A (en) 1968-06-11
DE1660468A1 (en) 1971-01-14
LU50116A1 (en) 1966-06-21
FR1461054A (en) 1966-12-10
CH480455A (en) 1969-10-31

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