DE1543114B2 - Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethern - Google Patents
Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethernInfo
- Publication number
- DE1543114B2 DE1543114B2 DE1965K0056022 DEK0056022A DE1543114B2 DE 1543114 B2 DE1543114 B2 DE 1543114B2 DE 1965K0056022 DE1965K0056022 DE 1965K0056022 DE K0056022 A DEK0056022 A DE K0056022A DE 1543114 B2 DE1543114 B2 DE 1543114B2
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- screw
- alkali
- reaction
- screw presses
- 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.)
- Granted
Links
- 229920003086 cellulose ether Polymers 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229920002678 cellulose Polymers 0.000 claims description 49
- 239000001913 cellulose Substances 0.000 claims description 49
- 239000003513 alkali Substances 0.000 claims description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000011541 reaction mixture Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 238000000265 homogenisation Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000006266 etherification reaction Methods 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 230000001133 acceleration Effects 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 238000007127 saponification reaction Methods 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 239000011295 pitch Substances 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
- C08B1/10—Apparatus for the preparation of alkali cellulose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/682—Barrels or cylinders for twin screws
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/06—Apparatus for esterification or etherification of cellulose for making cellulose ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965K0056022 DE1543114B2 (de) | 1965-05-06 | 1965-05-06 | Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethern |
| GB19504/66A GB1111203A (en) | 1965-05-06 | 1966-05-03 | Improvements in and relating to the manufacture of alkali cellulose and cellulose ethers |
| CH645066A CH523291A (de) | 1965-05-06 | 1966-05-04 | Verwendung von Schneckenpressen der Bauart Mapré bei der Herstellung von Celluloseäthern |
| LU51032D LU51032A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-06 | 1966-05-04 | |
| CH58571A CH523290A (de) | 1965-05-06 | 1966-05-04 | Verwendung von Schneckenpressen der Bauart Mapré bei der Herstellung von Alkalicellulose |
| SE6109/66A SE324953B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-06 | 1966-05-04 | |
| BE680597D BE680597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-06 | 1966-05-05 | |
| FR60366A FR1484825A (fr) | 1965-05-06 | 1966-05-05 | Dispositif pour la production de cellulose et d'éthers cellulosiques utilisant des boudineuses à vis sans fin |
| NL666606211A NL154149B (nl) | 1965-05-06 | 1966-05-06 | Schroefpers. |
| US864269A US3615254A (en) | 1965-05-06 | 1969-09-29 | Screw press useful in the manufacture of alkali cellulose and cellulose ethers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965K0056022 DE1543114B2 (de) | 1965-05-06 | 1965-05-06 | Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1543114A1 DE1543114A1 (de) | 1969-07-31 |
| DE1543114B2 true DE1543114B2 (de) | 1977-04-28 |
Family
ID=7227674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1965K0056022 Granted DE1543114B2 (de) | 1965-05-06 | 1965-05-06 | Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethern |
Country Status (8)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015067A (en) * | 1975-08-18 | 1977-03-29 | The Dow Chemical Company | Method of preparing polysaccharide ethers and apparatus |
| US4373098A (en) * | 1981-08-20 | 1983-02-08 | E. I. Du Pont De Nemours And Company | Process for converting cellulose directly into alkali cellulose |
| FI75836C (fi) * | 1987-01-27 | 1988-08-08 | Metsae Serla Oy | Nytt foerfarande foer framstaellning av natriumkarboximetylcellulosa. |
| IT1283030B1 (it) * | 1996-05-17 | 1998-04-03 | Pomini Spa | Procedimento per la mescolazione in continuo di materiali polimerici e relativa macchina a rotori parzialmente tangenziali e compenetranti. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2115006A (en) * | 1935-11-30 | 1938-04-26 | Burghauser Franz | Kneading pump |
| US2434707A (en) * | 1943-10-09 | 1948-01-20 | Bakelite Corp | Continuous milling process and apparatus |
-
1965
- 1965-05-06 DE DE1965K0056022 patent/DE1543114B2/de active Granted
-
1966
- 1966-05-03 GB GB19504/66A patent/GB1111203A/en not_active Expired
- 1966-05-04 LU LU51032D patent/LU51032A1/xx unknown
- 1966-05-04 SE SE6109/66A patent/SE324953B/xx unknown
- 1966-05-04 CH CH645066A patent/CH523291A/de not_active IP Right Cessation
- 1966-05-05 BE BE680597D patent/BE680597A/xx not_active IP Right Cessation
- 1966-05-06 NL NL666606211A patent/NL154149B/xx not_active IP Right Cessation
-
1969
- 1969-09-29 US US864269A patent/US3615254A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL154149B (nl) | 1977-08-15 |
| BE680597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-11-07 |
| CH523291A (de) | 1972-05-31 |
| LU51032A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-02-12 |
| DE1543114A1 (de) | 1969-07-31 |
| US3615254A (en) | 1971-10-26 |
| GB1111203A (en) | 1968-04-24 |
| NL6606211A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-11-07 |
| SE324953B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 |