GB389336A - Process and apparatus for the manufacture of cellulose products - Google Patents
Process and apparatus for the manufacture of cellulose productsInfo
- Publication number
- GB389336A GB389336A GB18026/32A GB1802632A GB389336A GB 389336 A GB389336 A GB 389336A GB 18026/32 A GB18026/32 A GB 18026/32A GB 1802632 A GB1802632 A GB 1802632A GB 389336 A GB389336 A GB 389336A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filaments
- bath
- liquid
- setting
- pict
- 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
- 229920002678 cellulose Polymers 0.000 title abstract 3
- 239000001913 cellulose Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- 238000004804 winding Methods 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
- D01D5/06—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
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
- D01F2/04—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
<PICT:0389336/IV/1> <PICT:0389336/IV/2> <PICT:0389336/IV/3> Continuous structures such as artificial filaments, horsehair, and films, are obtained from solutions, particularly cellulose solutions, in such manner that the solution issuing from comparatively wide openings traverses in substantially straight path first an air space and then a body of strongly acting setting liquid and the filament or film is stretched before its entry into the setting liquid by the pull of the coagulated product. The stretch may be applied by rollers or similar devices arranged at some distance from the plastic part of the filaments and even outside the setting bath, the hardened part of the filaments transmitting the stretching force to the plastic part. As shown in Fig. 1, cuprammonium cellulose solution is extruded through a nozzle 2 and after passing some distance through the air enters a precipitating liquid contained in trough 5. The thread rapidly coagulates in the strongly acting liquid and is deviated from the vertical round a rod 4. After traversing the bath in a horizontal direction it is led out of the bath and cross-wound on a reel. The drawing speed of the reel imparts a tension which extends back to the nozzle and stretches the plastic part of the filament. As shown in Fig. 2, a film is extruded from a slit in the pouring-device 7 and traverses an air path and a path through the strongly acting setting bath 9 in a straight line. It then passes over rollers 10 . . 12 and is led to a winding device. As shown in Fig. 4, spinning solution from a pipe 14 passes to a number of spinning-heads 15 each of which is provided with several nozzles 20. The filaments from each spinning-head are passed through the air and a sufficient depth of setting liquid for coagulation to take place so that when they are brought together to form a thread on the deviating rod 16 undesirable mutual adhesion is prevented. Caustic soda solution may be used as the strongly acting setting liquid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE389336X | 1931-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB389336A true GB389336A (en) | 1933-03-16 |
Family
ID=6371396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18026/32A Expired GB389336A (en) | 1931-07-06 | 1932-06-25 | Process and apparatus for the manufacture of cellulose products |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR738777A (en) |
| GB (1) | GB389336A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2219703A1 (en) * | 1971-04-28 | 1972-11-09 | E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) | Polyamide fibers and films and processes for making the same |
| JPS5263422A (en) * | 1976-10-18 | 1977-05-25 | Asahi Chem Ind Co Ltd | Production of hollow cuprammonium cellulose fiber |
| USRE32277E (en) * | 1972-06-02 | 1986-11-04 | Asahi Kasei Kogyo Kabushiki Kaisha | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
-
1932
- 1932-06-17 FR FR738777D patent/FR738777A/en not_active Expired
- 1932-06-25 GB GB18026/32A patent/GB389336A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2219703A1 (en) * | 1971-04-28 | 1972-11-09 | E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) | Polyamide fibers and films and processes for making the same |
| DE2265806C3 (en) * | 1971-04-28 | 1991-03-07 | E.I. Du Pont De Nemours & Co., Wilmington, Del., Us | |
| USRE32277E (en) * | 1972-06-02 | 1986-11-04 | Asahi Kasei Kogyo Kabushiki Kaisha | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
| JPS5263422A (en) * | 1976-10-18 | 1977-05-25 | Asahi Chem Ind Co Ltd | Production of hollow cuprammonium cellulose fiber |
| JPS5242883B2 (en) * | 1976-10-18 | 1977-10-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR738777A (en) | 1932-12-29 |
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