GB1144376A - Process for obtaining filaments of special cross-section and spinneret for use for this purpose - Google Patents
Process for obtaining filaments of special cross-section and spinneret for use for this purposeInfo
- Publication number
- GB1144376A GB1144376A GB49804/66A GB4980466A GB1144376A GB 1144376 A GB1144376 A GB 1144376A GB 49804/66 A GB49804/66 A GB 49804/66A GB 4980466 A GB4980466 A GB 4980466A GB 1144376 A GB1144376 A GB 1144376A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spinneret
- holes
- radius
- hole
- spinning
- 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
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 238000009987 spinning Methods 0.000 abstract 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 229920002301 cellulose acetate Polymers 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- 229920001747 Cellulose diacetate Polymers 0.000 abstract 1
- 229920002284 Cellulose triacetate Polymers 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000000578 dry spinning Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 abstract 1
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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01D5/04—Dry spinning methods
Abstract
1,144,376. Spinnerets. SOC. RHODIACETA. 7 Nov., 1966 [8 Nov., 1965], No. 49804/66. Heading B5B. Yarns in which most of the elementary filaments have an X cross-section, are made by dry spinning a solution of a filament-forming material in a volatile solvent through a spinneret perforated with square holes in which the drying conditions are substantially identical on two adjacent sides of each square hole. Preferably a spinneret is used in which the said square holes are so arranged that each of them has one diagonal making an angle of less than 10 degrees with the radius of the spinneret face which passes through the centre of the hole. Thus in Fig. 1 one diagonal of each hole lies on a radius of the spinneret face passing through the centre of the hole, while in Fig. 3, the holes 2 are arranged in three rings each having four holes, so that one of the diagonals of each hole coincides with a radius of the spinneret. In Fig. 4, the holes 2 and 2<SP>1</SP> are arranged along sides of a polygon concentric with the spinneret face and the holes 2 are so oriented that one of their diagonals coincides exactly with a radius of the spinneret, and the holes 2<SP>1</SP> in such a way that one of their diagonals makes an angle of 7 degrees with a radius of the spinneret. Cellulose acetate filaments may be dry spun from a solution of a secondary cellulose acetate in acetone, and cellulose tri-acetate filaments may be dry spun from a spinning solution comprising a mixture of methylene chloride and a lower aliphatic alcohol, especially methanol or ethanol. A mixture of carbon disulphide and acetone may be used as spinning solvent for polymers based on vinyl chloride. Yarns may be obtained in which at least 90% of the constituent filaments have a cross-section in the shape of an X. Examples given relate to the spinning of cellulose diacetate and triacetate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR37664A FR1473904A (en) | 1965-11-08 | 1965-11-08 | Process for obtaining special cut yarns and a die that can be used for this purpose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1144376A true GB1144376A (en) | 1969-03-05 |
Family
ID=8592072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB49804/66A Expired GB1144376A (en) | 1965-11-08 | 1966-11-07 | Process for obtaining filaments of special cross-section and spinneret for use for this purpose |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3499958A (en) |
| BE (1) | BE689370A (en) |
| CH (1) | CH461016A (en) |
| DE (1) | DE1660544A1 (en) |
| FR (1) | FR1473904A (en) |
| GB (1) | GB1144376A (en) |
| LU (1) | LU52308A1 (en) |
| NL (1) | NL6615357A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640670A (en) * | 1968-06-20 | 1972-02-08 | Fiber Industries Inc | Spinnerette for extruding t-shaped filaments |
| JPS60134012A (en) * | 1983-12-21 | 1985-07-17 | Mitsubishi Rayon Co Ltd | Spinneret for spinning acetate fiber having y-shaped cross-section |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA695217A (en) * | 1964-09-29 | Celanese Corporation Of America | Manufacture of artificial filaments with blunted leg portions | |
| US1902953A (en) * | 1931-03-11 | 1933-03-28 | Revere Rubber Co | Method and apparatus for the manufacture of filamentary material |
| US2880106A (en) * | 1956-01-11 | 1959-03-31 | British Celanese | Manufacture of textile and other materials having a basis of cellulose triacetate |
-
1965
- 1965-11-08 FR FR37664A patent/FR1473904A/en not_active Expired
-
1966
- 1966-10-31 NL NL6615357A patent/NL6615357A/xx unknown
- 1966-10-31 US US590711A patent/US3499958A/en not_active Expired - Lifetime
- 1966-11-04 DE DE19661660544 patent/DE1660544A1/en active Pending
- 1966-11-07 GB GB49804/66A patent/GB1144376A/en not_active Expired
- 1966-11-07 LU LU52308D patent/LU52308A1/xx unknown
- 1966-11-07 BE BE689370D patent/BE689370A/xx unknown
- 1966-11-08 CH CH1605266A patent/CH461016A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1660544A1 (en) | 1971-04-08 |
| LU52308A1 (en) | 1967-01-04 |
| NL6615357A (en) | 1967-05-09 |
| US3499958A (en) | 1970-03-10 |
| CH461016A (en) | 1968-08-15 |
| BE689370A (en) | 1967-05-08 |
| FR1473904A (en) | 1967-03-24 |
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