BE897979A - Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants - Google Patents
Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants Download PDFInfo
- Publication number
- BE897979A BE897979A BE0/211690A BE211690A BE897979A BE 897979 A BE897979 A BE 897979A BE 0/211690 A BE0/211690 A BE 0/211690A BE 211690 A BE211690 A BE 211690A BE 897979 A BE897979 A BE 897979A
- Authority
- BE
- Belgium
- Prior art keywords
- polysaccharide
- range
- ethers
- carboxyalkyl
- excess
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 title 1
- 238000006266 etherification reaction Methods 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 17
- 150000002170 ethers Chemical class 0.000 claims abstract description 15
- 230000021962 pH elevation Effects 0.000 claims abstract description 13
- 229920001282 polysaccharide Polymers 0.000 claims description 33
- 239000005017 polysaccharide Substances 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 150000004676 glycans Chemical class 0.000 claims description 27
- 238000006467 substitution reaction Methods 0.000 claims description 24
- 229920002678 cellulose Polymers 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000001913 cellulose Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 125000004181 carboxyalkyl group Chemical group 0.000 claims description 12
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 11
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 229920002472 Starch Polymers 0.000 claims description 8
- 235000019698 starch Nutrition 0.000 claims description 8
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 7
- 239000008107 starch Substances 0.000 claims description 5
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims description 4
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- 230000003113 alkalizing effect Effects 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 150000001350 alkyl halides Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 28
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 19
- 235000010980 cellulose Nutrition 0.000 description 19
- -1 polysaccharide ethers Chemical class 0.000 description 18
- 239000000243 solution Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 5
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
- 239000003599 detergent Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229960000583 acetic acid Drugs 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000005070 ripening Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 240000000731 Fagus sylvatica Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N n-propyl alcohol Natural products CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920006184 cellulose methylcellulose Polymers 0.000 description 1
- 239000011153 ceramic matrix composite Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000012710 chemistry, manufacturing and control Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229940045681 other alkylating agent in atc Drugs 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- 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
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823238278 DE3238278A1 (de) | 1982-10-15 | 1982-10-15 | Verfahren zur herstellung von niedrigsubstituierten, gut wasserloeslichen carboxyalkyl-polysaccharid-(misch-)ethern sowie entsprechende polysaccharid-mischether |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE897979A true BE897979A (fr) | 1984-01-30 |
Family
ID=6175817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/211690A BE897979A (fr) | 1982-10-15 | 1983-10-13 | Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE897979A (enrdf_load_stackoverflow) |
| DE (1) | DE3238278A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2534590B1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007015282B4 (de) * | 2007-03-29 | 2017-10-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Viskositätsregulator, Verfahren zu dessen Herstellung und dessen Verwendung |
| CN110590965A (zh) * | 2019-10-28 | 2019-12-20 | 山东一滕新材料股份有限公司 | 一种提升瓷砖胶开放时间的改性淀粉醚的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1222031B (de) * | 1962-10-26 | 1966-08-04 | Hercules Powder Co Ltd | Verfahren zur Herstellung von Cellulose- oder Staerkeaethern |
| US2618632A (en) * | 1949-04-05 | 1952-11-18 | Hercules Powder Co Ltd | Mixed cellulose ether and preparation thereof |
| US3085087A (en) * | 1956-09-13 | 1963-04-09 | Hercules Powder Co Ltd | Preparation of carboxyalkyl cellulose ethers |
| GB928792A (en) * | 1959-10-23 | 1963-06-12 | Hercules Powder Co Ltd | Improvements in or relating to alkali cellulose and preparation of cellulose ethers therefrom which give smooth solutions |
| DE1543136C3 (de) * | 1965-12-30 | 1980-04-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von Methylcellulose oder Methylhydroxyalkylcellulose |
| BE703740A (enrdf_load_stackoverflow) * | 1967-09-11 | 1968-03-11 |
-
1982
- 1982-10-15 DE DE19823238278 patent/DE3238278A1/de active Granted
-
1983
- 1983-10-13 BE BE0/211690A patent/BE897979A/fr not_active IP Right Cessation
- 1983-10-14 FR FR8316411A patent/FR2534590B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3238278C2 (enrdf_load_stackoverflow) | 1991-07-11 |
| DE3238278A1 (de) | 1984-04-19 |
| FR2534590A1 (fr) | 1984-04-20 |
| FR2534590B1 (fr) | 1986-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3453261A (en) | Process for the preparation of watersoluble methyl hydroxypropyl ethers of cellulose | |
| GB1028723A (en) | Improvements in or relating to hydroxypropyl cellulose | |
| NO318679B1 (no) | Fremgangsmate for fremstilling av alkylhydroksyalkylcellulose | |
| FR2597485A1 (fr) | Procede pour la fabrication de cyclodextrines modifiees. | |
| FI70906C (fi) | Foerfarande foer framstaellning av vattenloesliga hydroxialkylmetylcellulosa | |
| US2744894A (en) | Hydroxyalkylation of polysaccharides | |
| JPS5945681B2 (ja) | 新規なセルロ−ズエ−テルの製法 | |
| JP2002516353A (ja) | 改質セルロースエーテル | |
| US2067946A (en) | Process of making cellulose derivatives | |
| FI74025C (fi) | Foerfarande foer framstaellning av cellulosaetrar ur med ammoniak aktiverad cellulosa. | |
| JP4950434B2 (ja) | メチルヒドロキシアルキルセルロースの製造方法 | |
| FI74026C (fi) | Foerfarande foer foeretring av cellulosa medelst monokloraettikssyraalkylestrar. | |
| BE897979A (fr) | Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants | |
| US4501887A (en) | Preparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) medium | |
| JP2008019344A (ja) | 部分酸型カルボキシメチルセルロースの製造方法 | |
| US4582899A (en) | Manufacturing method for cellulose ether having high degree of substitution | |
| US20090326217A1 (en) | Process for preparing cellulose ether | |
| FI66882B (fi) | Foerfarande foer framstaellning av vattenfattig alkalicellulosa | |
| US4358587A (en) | Water-soluble cellulose mixed ethers which contain a phosphonomethyl substituent and a process for preparing same | |
| WO1995002614A1 (fr) | Procede de modification, par carboxyalkylation, de derives de polysaccharides, derives de polysaccharides carboxyalkyles ainsi obtenus et leurs utilisations | |
| JP5571599B2 (ja) | セルロースエーテルの製造方法 | |
| US5013832A (en) | Process for working up water-soluble cellulose derivatives having high flocculation points | |
| US1867050A (en) | Cellulose ethers and process of preparing them | |
| JP2000186101A (ja) | ヒドロキシプロピルセルロースの製造法 | |
| CH406174A (fr) | Procédé de préparation d'une alcalicellulose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: HENKEL K.G.A.A. Effective date: 19921031 |