DE2400879B2 - Verfahren zur kontinuierlichen herstellung von celluloseglykolat - Google Patents
Verfahren zur kontinuierlichen herstellung von celluloseglykolatInfo
- Publication number
- DE2400879B2 DE2400879B2 DE19742400879 DE2400879A DE2400879B2 DE 2400879 B2 DE2400879 B2 DE 2400879B2 DE 19742400879 DE19742400879 DE 19742400879 DE 2400879 A DE2400879 A DE 2400879A DE 2400879 B2 DE2400879 B2 DE 2400879B2
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- ethereal
- reaction space
- cellulose
- ether
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 27
- 239000001913 cellulose Substances 0.000 title claims description 16
- 229920002678 cellulose Polymers 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 11
- 238000010924 continuous production Methods 0.000 title claims 5
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 title claims 2
- 239000000203 mixture Substances 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 35
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 32
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 32
- 238000006266 etherification reaction Methods 0.000 claims description 20
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 13
- 238000000265 homogenisation Methods 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- ATACSYDDCNWCLV-UHFFFAOYSA-N 2-chloroacetic acid;sodium Chemical compound [Na].OC(=O)CCl ATACSYDDCNWCLV-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000001768 carboxy methyl cellulose Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- ACIQMERAJKPQSD-UHFFFAOYSA-L disodium;acetate;chloride Chemical compound [Na+].[Na+].[Cl-].CC([O-])=O ACIQMERAJKPQSD-UHFFFAOYSA-L 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000004898 kneading Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims 1
- 239000012749 thinning agent Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 241001070947 Fagus Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 241000218657 Picea Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- PFRHGJOWEHSQDJ-UHFFFAOYSA-N [Na].ClCC(=O)O.ClCC(=O)O Chemical compound [Na].ClCC(=O)O.ClCC(=O)O PFRHGJOWEHSQDJ-UHFFFAOYSA-N 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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 (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742400879 DE2400879B2 (de) | 1974-01-09 | 1974-01-09 | Verfahren zur kontinuierlichen herstellung von celluloseglykolat |
| NL7417031A NL7417031A (nl) | 1974-01-09 | 1974-12-31 | Werkwijze voor het continu bereiden van loseglycolaat. |
| SE7500068A SE430895B (sv) | 1974-01-09 | 1975-01-03 | Forfarande for kontinuerlig framstellning av cellulosaglykolat |
| US05/539,035 US4017671A (en) | 1974-01-09 | 1975-01-06 | Process for the continuous manufacture of cellulose glycolate |
| BE152164A BE824125A (fr) | 1974-01-09 | 1975-01-06 | Procede pour la fabrication continue de carboxymethylcellulose |
| GB759/75A GB1493321A (en) | 1974-01-09 | 1975-01-08 | Process for the continuous manufacture of cellulose glycollate |
| FR7500408A FR2256927B1 (en:Method) | 1974-01-09 | 1975-01-08 | |
| JP50005264A JPS50100181A (en:Method) | 1974-01-09 | 1975-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742400879 DE2400879B2 (de) | 1974-01-09 | 1974-01-09 | Verfahren zur kontinuierlichen herstellung von celluloseglykolat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2400879A1 DE2400879A1 (de) | 1975-07-10 |
| DE2400879B2 true DE2400879B2 (de) | 1976-04-01 |
Family
ID=5904419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742400879 Ceased DE2400879B2 (de) | 1974-01-09 | 1974-01-09 | Verfahren zur kontinuierlichen herstellung von celluloseglykolat |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4017671A (en:Method) |
| JP (1) | JPS50100181A (en:Method) |
| BE (1) | BE824125A (en:Method) |
| DE (1) | DE2400879B2 (en:Method) |
| FR (1) | FR2256927B1 (en:Method) |
| GB (1) | GB1493321A (en:Method) |
| NL (1) | NL7417031A (en:Method) |
| SE (1) | SE430895B (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022923A1 (de) * | 1979-06-15 | 1981-01-28 | Hoechst Aktiengesellschaft | Kontinuierliches Verfahren und Vorrichtung zur Herstellung von wasserlöslicher Hydroxyalkylcellulose oder deren Mischethern |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557576C3 (de) * | 1975-12-20 | 1982-03-25 | Hoechst Ag, 6000 Frankfurt | Verfahren zur absatzweisen Herstellung von Natrium-carboxymethylcellulose und Vorrichtung zur Dukchführung dieses Verfahrens |
| DE3039978A1 (de) * | 1980-10-23 | 1982-06-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von wasserloeslichen phosphonomethylethern der cellulose |
| DE3118953A1 (de) * | 1981-05-13 | 1982-12-09 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reingung von wasser, salze glykolationen und organische loesemittel enthaltenden gemischen und die verwendung des verfahrens bei der herstellung von natriumcarboxymethylgruppen aufweisenden polysaccharidethern |
| FI71750C (fi) | 1981-09-10 | 1987-02-09 | Daicel Chem | Process foer tillverkning av ett alkalisalt av karboximetylcellulosaeter. |
| US4728731A (en) * | 1986-03-10 | 1988-03-01 | Henkel Kommanditgesellschaft Auf Aktien | Reactor and its use in polysaccharide ether production |
| DE19746264A1 (de) * | 1997-10-20 | 1999-04-29 | Wolff Walsrode Ag | Verfahren zur Herstellung einer Carboxymethylcellulose mit verbesserter Wasserretention |
| JP5377816B2 (ja) | 2005-06-16 | 2013-12-25 | 信越化学工業株式会社 | セルロースエーテルの製造方法 |
| WO2012008314A1 (ja) * | 2010-07-15 | 2012-01-19 | 花王株式会社 | カルボキシメチルセルロースの製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2517577A (en) * | 1946-12-10 | 1950-08-08 | Hercules Powder Co Ltd | Preparation of carboxyalkyl ethers of cellulose |
| US2512338A (en) * | 1947-04-29 | 1950-06-20 | Hercules Powder Co Ltd | Preparation of cellulose ethers |
| US3088943A (en) * | 1960-10-21 | 1963-05-07 | Du Pont | Process for making alkali metal salt of carboxymethylcellulose |
| US3498971A (en) * | 1967-02-13 | 1970-03-03 | Allied Chem | Process for the preparation of sodium carboxymethylcellulose |
| US3900463A (en) * | 1968-12-14 | 1975-08-19 | Dai Ichi Kogyo Seiyaku Co Ltd | Process for preparing alkali carboxymethyl cellulose |
| BE759977A (fr) * | 1969-12-08 | 1971-06-07 | Kalle Ag | Procede et dispositif pour l'alcalinisation homogene de cellulose |
| US3678031A (en) * | 1970-10-21 | 1972-07-18 | Buckeye Cellulose Corp | Slurry process for the production of absorptive carboxy methyl cellulose fibers |
-
1974
- 1974-01-09 DE DE19742400879 patent/DE2400879B2/de not_active Ceased
- 1974-12-31 NL NL7417031A patent/NL7417031A/xx not_active Application Discontinuation
-
1975
- 1975-01-03 SE SE7500068A patent/SE430895B/xx unknown
- 1975-01-06 BE BE152164A patent/BE824125A/xx not_active IP Right Cessation
- 1975-01-06 US US05/539,035 patent/US4017671A/en not_active Expired - Lifetime
- 1975-01-08 FR FR7500408A patent/FR2256927B1/fr not_active Expired
- 1975-01-08 GB GB759/75A patent/GB1493321A/en not_active Expired
- 1975-01-09 JP JP50005264A patent/JPS50100181A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022923A1 (de) * | 1979-06-15 | 1981-01-28 | Hoechst Aktiengesellschaft | Kontinuierliches Verfahren und Vorrichtung zur Herstellung von wasserlöslicher Hydroxyalkylcellulose oder deren Mischethern |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1493321A (en) | 1977-11-30 |
| SE7500068L (en:Method) | 1975-07-10 |
| BE824125A (fr) | 1975-07-07 |
| DE2400879A1 (de) | 1975-07-10 |
| SE430895B (sv) | 1983-12-19 |
| NL7417031A (nl) | 1975-07-11 |
| US4017671A (en) | 1977-04-12 |
| FR2256927A1 (en:Method) | 1975-08-01 |
| JPS50100181A (en:Method) | 1975-08-08 |
| FR2256927B1 (en:Method) | 1979-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |