GB807248A - Method for spinning polyolefines - Google Patents
Method for spinning polyolefinesInfo
- Publication number
- GB807248A GB807248A GB152857A GB152857A GB807248A GB 807248 A GB807248 A GB 807248A GB 152857 A GB152857 A GB 152857A GB 152857 A GB152857 A GB 152857A GB 807248 A GB807248 A GB 807248A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filaments
- strand
- cooling medium
- die
- medium
- 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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- 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
- D01D5/08—Melt 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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Polyolefines of molecular weight between 40,000 and 120,000 are extruded through a multitude die to form a multiple filament strand, and the filaments are immediately subjected to a transverse flow of an inert gaseous cooling medium so that the medium strikes all the hot filaments at the same distance from the die while not forcing them to cohere; the strand is then quenched at from 55 DEG to 5 DEG C. below the melting point while stretching the filaments up to ten times their original length. The polyolefine may be polyethylene, the cooling medium may be air, and the quenching medium may be boiling water. The distance between <PICT:0807248/IV (a)/1> <PICT:0807248/IV (a)/2> the die and the transverse flow of cooling medium may be between 0.25 and 5 inches, and individual filament diameters of the multiple filament strand may finally be less than 12 mils. In Fig. 2, filaments are extruded from melt-spinning apparatus 11 and subjected to a stream of cooling medium from nozzle 13, shown in plan view in Fig. 3 After cooling, the strand is quenched in a hot liquid bath 15, passes around rollers 18 and 20 and is stretched by rollers 25, 26, 28, 29 prior to wind-up at 31. The first pair of stretch rollers 25, 26 may be submerged in a second quenching bath, as shown. Strands prepared in this way are said to be substantially free from interfilament bonding while the filements, on being oriented by stretching, become curly or wavy. Specification 804,054 is referred to.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB152857A GB807248A (en) | 1957-01-15 | 1957-01-15 | Method for spinning polyolefines |
FR1167216D FR1167216A (en) | 1957-01-15 | 1957-02-25 | Process for spinning polyolefins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB152857A GB807248A (en) | 1957-01-15 | 1957-01-15 | Method for spinning polyolefines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB807248A true GB807248A (en) | 1959-01-14 |
Family
ID=9723551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB152857A Expired GB807248A (en) | 1957-01-15 | 1957-01-15 | Method for spinning polyolefines |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1167216A (en) |
GB (1) | GB807248A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1230965B (en) * | 1959-08-07 | 1966-12-22 | Algemene Kunstzijde Unie Nv | Method and device for the production of a thermoplastic, thread-forming material in a granular shape |
WO1993019230A1 (en) * | 1992-03-17 | 1993-09-30 | Lenzing Aktiengesellschaft | Process for manufacturing cellulose moulded bodies and a device for carrying it out |
US5607639A (en) * | 1993-09-13 | 1997-03-04 | Lenzing Aktiengesellschaft | Process for the preparation of cellulose sheet |
US5650112A (en) * | 1993-07-28 | 1997-07-22 | Lenzing Aktiengesellschaft | Process of making cellulose fibers |
US5698151A (en) * | 1993-07-01 | 1997-12-16 | Lenzing Aktiengesellschaft | Process of making cellulose fibres |
US5939000A (en) * | 1993-05-24 | 1999-08-17 | Acordis Fibres (Holdings) Limited | Process of making cellulose filaments |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL264878A (en) * | 1961-05-17 |
-
1957
- 1957-01-15 GB GB152857A patent/GB807248A/en not_active Expired
- 1957-02-25 FR FR1167216D patent/FR1167216A/en not_active Expired
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1230965B (en) * | 1959-08-07 | 1966-12-22 | Algemene Kunstzijde Unie Nv | Method and device for the production of a thermoplastic, thread-forming material in a granular shape |
WO1993019230A1 (en) * | 1992-03-17 | 1993-09-30 | Lenzing Aktiengesellschaft | Process for manufacturing cellulose moulded bodies and a device for carrying it out |
EP0671492A1 (en) * | 1992-03-17 | 1995-09-13 | Lenzing Aktiengesellschaft | Process for manufacturing cellulose moulded bodies and a device for carrying it out |
AU668712B2 (en) * | 1992-03-17 | 1996-05-16 | Lenzing Aktiengesellschaft | Process for manufacturing cellulose moulded bodies and a device for carrying it out |
US5589125A (en) * | 1992-03-17 | 1996-12-31 | Lenzing Aktiengesellschaft | Process of and apparatus for making cellulose mouldings |
US5798125A (en) * | 1992-03-17 | 1998-08-25 | Lenzing Aktiengesellschaft | Device for the preparation of cellulose mouldings |
US5968434A (en) * | 1992-03-17 | 1999-10-19 | Lenzing Aktiengesellschaft | Process of making cellulose moldings and fibers |
US5939000A (en) * | 1993-05-24 | 1999-08-17 | Acordis Fibres (Holdings) Limited | Process of making cellulose filaments |
US5951932A (en) * | 1993-05-24 | 1999-09-14 | Acordis Fibres (Holdings) Limited | Process of making cellulose filaments |
US5698151A (en) * | 1993-07-01 | 1997-12-16 | Lenzing Aktiengesellschaft | Process of making cellulose fibres |
US5650112A (en) * | 1993-07-28 | 1997-07-22 | Lenzing Aktiengesellschaft | Process of making cellulose fibers |
US5607639A (en) * | 1993-09-13 | 1997-03-04 | Lenzing Aktiengesellschaft | Process for the preparation of cellulose sheet |
Also Published As
Publication number | Publication date |
---|---|
FR1167216A (en) | 1958-11-21 |
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