GB1111807A - Process for wet spinning elastic polyurethane fibers - Google Patents
Process for wet spinning elastic polyurethane fibersInfo
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent 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.
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)
| 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)
| 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 |
-
1964
- 1964-12-21 US US419779A patent/US3388200A/en not_active Expired - Lifetime
-
1965
- 1965-12-20 NL NL6516600A patent/NL6516600A/xx unknown
- 1965-12-20 GB GB53912/65A patent/GB1111807A/en not_active Expired
- 1965-12-20 IL IL24836A patent/IL24836A/en unknown
- 1965-12-21 CH CH1757065A patent/CH480455A/en not_active IP Right Cessation
- 1965-12-21 LU LU50116A patent/LU50116A1/xx unknown
- 1965-12-21 DE DE19651660468 patent/DE1660468A1/en active Pending
- 1965-12-21 BE BE674131D patent/BE674131A/xx unknown
- 1965-12-21 FR FR43122A patent/FR1461054A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6516600A (en) | 1966-06-22 |
| CH480455A (en) | 1969-10-31 |
| FR1461054A (en) | 1966-12-10 |
| DE1660468A1 (en) | 1971-01-14 |
| IL24836A (en) | 1969-07-30 |
| LU50116A1 (en) | 1966-06-21 |
| BE674131A (en) | 1966-06-21 |
| US3388200A (en) | 1968-06-11 |
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