DE1468634A1 - Verfahren und Vorrichtung zur Xanthogenierung von Alkalizellulose - Google Patents
Verfahren und Vorrichtung zur Xanthogenierung von AlkalizelluloseInfo
- Publication number
- DE1468634A1 DE1468634A1 DE19631468634 DE1468634A DE1468634A1 DE 1468634 A1 DE1468634 A1 DE 1468634A1 DE 19631468634 DE19631468634 DE 19631468634 DE 1468634 A DE1468634 A DE 1468634A DE 1468634 A1 DE1468634 A1 DE 1468634A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon disulfide
- vessel
- main reaction
- reaction vessel
- evacuation
- 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.)
- Pending
Links
- 229920002678 cellulose Polymers 0.000 title claims description 11
- 239000001913 cellulose Substances 0.000 title claims description 11
- 239000003513 alkali Substances 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 9
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 229920000297 Rayon Polymers 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 238000000265 homogenisation Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 claims 1
- 238000009331 sowing Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- 239000012991 xanthate Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000000623 ulna Anatomy 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 150000003735 xanthophylls Chemical class 0.000 description 1
- 235000008210 xanthophylls Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1862—Stationary reactors having moving elements inside placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- D01F2/08—Composition of the spinning solution or the bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/0015—Controlling the temperature by thermal insulation means
- B01J2219/00155—Controlling the temperature by thermal insulation means using insulating materials or refractories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49069—Data storage inductor or core
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE445462 | 1962-04-19 | ||
| US255627A US3305845A (en) | 1962-04-19 | 1963-02-01 | Magnetic memory core and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1468634A1 true DE1468634A1 (de) | 1969-01-02 |
Family
ID=26654523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631468634 Pending DE1468634A1 (de) | 1962-04-19 | 1963-04-18 | Verfahren und Vorrichtung zur Xanthogenierung von Alkalizellulose |
Country Status (6)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077653A (en) * | 1964-01-27 | 1967-08-02 | Telefunken Patent | Magnetic information storage element |
| GB1113901A (en) * | 1964-06-16 | 1968-05-15 | Litton Industries Inc | Improvements in or relating to magnetic storage or memory arrays |
| US3518637A (en) * | 1965-05-28 | 1970-06-30 | Research Corp | Magnetic device for storing analog information |
| DE1295653B (de) * | 1965-07-17 | 1969-05-22 | Telefunken Patent | Anordnung fuer die magnetische Speicherung, Durchschaltung oder logische Verknuepfung von Informationen und Verfahren zum Betreiben der Anordnung, zur Erzeugung der Anisotropie und zu ihrer Herstellung |
| DE1303353B (US20110009641A1-20110113-C00256.png) * | 1965-07-23 | 1971-12-23 | Telefunken Pat | |
| US3357004A (en) * | 1965-10-20 | 1967-12-05 | Sperry Rand Corp | Mated thin film memory element |
| FR1492885A (fr) * | 1966-04-19 | 1967-08-25 | Csf | Utilisation de couches ferromagnétiques feuillectées dans la réalisation d'éléments de mémoire et d'éléments logiques magnétiques |
| US3470548A (en) * | 1967-02-20 | 1969-09-30 | Sperry Rand Corp | Mated-film memory element incorporating e-keepers forming a closed transverse interrogate flux path |
| US3493941A (en) * | 1967-03-03 | 1970-02-03 | Hughes Aircraft Co | Magnetic memory featuring thin film coincident current element |
| US3524173A (en) * | 1967-05-22 | 1970-08-11 | Ampex | Process for electrodeposition of anisotropic magnetic films and a product formed by the process |
| US3836336A (en) * | 1969-05-13 | 1974-09-17 | Asahi Chemical Ind | Apparatus for continuous xanthation and solution of alkali cellulose |
| US4260739A (en) * | 1979-05-11 | 1981-04-07 | Fiber Associates, Inc. | Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2179379A (en) * | 1936-07-18 | 1939-11-07 | Air Reduction | Manufacture of acetylene |
| GB488761A (en) * | 1937-08-10 | 1938-07-13 | Brown Co | Improvements in or relating to the xanthation of cellulose |
| US2508987A (en) * | 1946-12-26 | 1950-05-23 | Wallace & Tiernan Co Inc | Slurry feeding apparatus |
| GB642483A (en) * | 1948-05-05 | 1950-09-06 | Courtaulds Ltd | Improvements in and relating to the production of viscose |
| NL77986C (US20110009641A1-20110113-C00256.png) * | 1950-02-03 | |||
| US2985948A (en) * | 1955-01-14 | 1961-05-30 | Rca Corp | Method of assembling a matrix of magnetic cores |
| NL211617A (US20110009641A1-20110113-C00256.png) * | 1955-12-22 | |||
| US2961745A (en) * | 1955-12-29 | 1960-11-29 | Ibm | Device for assembling magnetic core array |
| NL215595A (US20110009641A1-20110113-C00256.png) * | 1956-03-22 | |||
| US2882519A (en) * | 1956-07-02 | 1959-04-14 | Rca Corp | Magnetic device |
| US3130134A (en) * | 1957-01-09 | 1964-04-21 | Ibm | Plated circuit magnetic core array |
| US2988688A (en) * | 1958-02-24 | 1961-06-13 | Boeing Co | Control circuits |
| US2985647A (en) * | 1959-01-12 | 1961-05-23 | Kohorn Oscar Von | Manufacture of viscose spinning solution |
| NL130691C (US20110009641A1-20110113-C00256.png) * | 1959-05-21 | |||
| US3154840A (en) * | 1960-06-06 | 1964-11-03 | Rca Corp | Method of making a magnetic memory |
-
0
- BE BE631233D patent/BE631233A/xx unknown
- NL NL291665D patent/NL291665A/xx unknown
-
1963
- 1963-02-01 US US255627A patent/US3305845A/en not_active Expired - Lifetime
- 1963-04-05 US US271024A patent/US3385845A/en not_active Expired - Lifetime
- 1963-04-18 DE DE19631468634 patent/DE1468634A1/de active Pending
- 1963-04-18 CH CH486863A patent/CH427766A/de unknown
- 1963-04-18 GB GB15398/63A patent/GB1040905A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH427766A (de) | 1967-01-15 |
| BE631233A (US20110009641A1-20110113-C00256.png) | |
| US3305845A (en) | 1967-02-21 |
| GB1040905A (en) | 1966-09-01 |
| US3385845A (en) | 1968-05-28 |
| NL291665A (US20110009641A1-20110113-C00256.png) |
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