DE3100368C2 - - Google Patents
Info
- Publication number
- DE3100368C2 DE3100368C2 DE3100368A DE3100368A DE3100368C2 DE 3100368 C2 DE3100368 C2 DE 3100368C2 DE 3100368 A DE3100368 A DE 3100368A DE 3100368 A DE3100368 A DE 3100368A DE 3100368 C2 DE3100368 C2 DE 3100368C2
- Authority
- DE
- Germany
- Prior art keywords
- coagulation
- yarn
- post
- treatment
- index
- 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
- 238000005345 coagulation Methods 0.000 claims description 64
- 238000011282 treatment Methods 0.000 claims description 41
- 230000015271 coagulation Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 27
- 238000009987 spinning Methods 0.000 claims description 18
- 229920000297 Rayon Polymers 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 6
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 7
- 230000001143 conditioned effect Effects 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000003563 glycoside group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 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
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19108/80A IT1129651B (it) | 1980-01-09 | 1980-01-09 | Procedimento perfezionato per la filatura in continuo di rayon viscosa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3100368A1 DE3100368A1 (de) | 1981-12-24 |
| DE3100368C2 true DE3100368C2 (sk) | 1989-10-05 |
Family
ID=11154650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813100368 Granted DE3100368A1 (de) | 1980-01-09 | 1981-01-08 | Verfahren zum kontinuierlichen spinnen von viskosereyon |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR8007082A (sk) |
| DE (1) | DE3100368A1 (sk) |
| FR (1) | FR2473562B1 (sk) |
| IN (1) | IN153945B (sk) |
| IT (1) | IT1129651B (sk) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4446491C2 (de) * | 1994-12-23 | 2000-06-15 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Cellulosefasern sowie Cellulosefasern mit reduzierter Fibrillierneigung |
| DE19711395B4 (de) * | 1997-03-19 | 2006-11-09 | Ing. A. Maurer S.A. | Kontinuespinnmaschine |
| FR2920786B1 (fr) * | 2007-09-07 | 2010-09-10 | Univ Claude Bernard Lyon | Fibres creuses, notamment multi membranaires, leur procede de preparation par filage et dispositif pour la mise en oeuvre dudit procede |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR999054A (sk) * | 1948-11-23 | 1952-01-25 | ||
| NL99812C (sk) * | 1952-01-25 | |||
| DE1007943B (de) * | 1955-09-30 | 1957-05-09 | Glanzstoff Ag | Verfahren zur Herstellung von Festkunstseide |
| GB879946A (en) * | 1957-02-11 | 1961-10-11 | Tatsuji Tachikawa | Process for the manufacture of highly polymerized viscose rayon |
| BE638775A (sk) * | 1962-11-06 | |||
| GB1021537A (en) * | 1963-03-07 | 1966-03-02 | Teijin Ltd | Method of producing viscose rayon staple and a spinning apparatus for use in the method |
| BE646459A (sk) * | 1963-05-25 | 1964-07-31 | ||
| FR1468388A (fr) * | 1965-07-20 | 1967-02-03 | Rayonier Inc | Filaments améliorés de rayonne et leur procédé de fabrication |
-
1980
- 1980-01-09 IT IT19108/80A patent/IT1129651B/it active
- 1980-10-28 IN IN1220/CAL/80A patent/IN153945B/en unknown
- 1980-10-31 BR BR8007082A patent/BR8007082A/pt not_active IP Right Cessation
-
1981
- 1981-01-08 DE DE19813100368 patent/DE3100368A1/de active Granted
- 1981-01-09 FR FR8100333A patent/FR2473562B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2473562B1 (fr) | 1985-11-22 |
| FR2473562A1 (fr) | 1981-07-17 |
| BR8007082A (pt) | 1981-07-14 |
| IT1129651B (it) | 1986-06-11 |
| IN153945B (sk) | 1984-09-01 |
| IT8019108A0 (it) | 1980-01-09 |
| DE3100368A1 (de) | 1981-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8330 | Complete renunciation |