DE2535311A1 - Verfahren zur herstellung von celluloseaethern mit verbesserter dispergierbarkeit in waessrigen fluessigkeiten und nach dem verfahren hergestellte celluloseaether - Google Patents
Verfahren zur herstellung von celluloseaethern mit verbesserter dispergierbarkeit in waessrigen fluessigkeiten und nach dem verfahren hergestellte celluloseaetherInfo
- Publication number
- DE2535311A1 DE2535311A1 DE19752535311 DE2535311A DE2535311A1 DE 2535311 A1 DE2535311 A1 DE 2535311A1 DE 19752535311 DE19752535311 DE 19752535311 DE 2535311 A DE2535311 A DE 2535311A DE 2535311 A1 DE2535311 A1 DE 2535311A1
- Authority
- DE
- Germany
- Prior art keywords
- added
- solution
- borate
- cellulose ethers
- cellulose
- 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
- 229920003086 cellulose ether Polymers 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 23
- 239000007788 liquid Substances 0.000 title claims description 22
- 230000008569 process Effects 0.000 title description 7
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 32
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 20
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 18
- 239000004327 boric acid Substances 0.000 claims description 18
- 229940015043 glyoxal Drugs 0.000 claims description 16
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 37
- 239000000243 solution Substances 0.000 description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 20
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 20
- 229910021538 borax Inorganic materials 0.000 description 20
- 230000036571 hydration Effects 0.000 description 20
- 238000006703 hydration reaction Methods 0.000 description 20
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 20
- 235000010339 sodium tetraborate Nutrition 0.000 description 20
- 239000004328 sodium tetraborate Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 13
- 238000005054 agglomeration Methods 0.000 description 12
- 230000002776 aggregation Effects 0.000 description 12
- 150000001299 aldehydes Chemical class 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 239000011398 Portland cement Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- 229920000896 Ethulose Polymers 0.000 description 1
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940057952 methanol Drugs 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- -1 methylhydroxypropyl Chemical group 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing 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
- C08B13/00—Preparation of cellulose ether-esters
-
- 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
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3575074A GB1465934A (en) | 1974-08-14 | 1974-08-14 | Methods of dissolving cellulose ethers in alkaline media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2535311A1 true DE2535311A1 (de) | 1976-02-26 |
Family
ID=10381169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752535311 Pending DE2535311A1 (de) | 1974-08-14 | 1975-08-07 | Verfahren zur herstellung von celluloseaethern mit verbesserter dispergierbarkeit in waessrigen fluessigkeiten und nach dem verfahren hergestellte celluloseaether |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5141755A (enExample) |
| BE (1) | BE832319A (enExample) |
| CA (1) | CA1039272A (enExample) |
| DE (1) | DE2535311A1 (enExample) |
| FR (1) | FR2299344A1 (enExample) |
| GB (1) | GB1465934A (enExample) |
| IT (1) | IT1041834B (enExample) |
| NL (1) | NL7509567A (enExample) |
| SE (1) | SE7509064L (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298728A (en) | 1980-06-03 | 1981-11-03 | Hercules Incorporated | Method of preparing hydroxyethyl ethers of cellulose |
| US4306061A (en) | 1980-12-29 | 1981-12-15 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
| DE3314214A1 (de) * | 1982-04-27 | 1983-10-27 | Hercules Inc., 19899 Wilmington, Del. | Leicht dispergierbare anionische, wasserloesliche cellulosederivate und verfahren zu ihrer herstellung |
| US4474950A (en) * | 1982-09-01 | 1984-10-02 | Hoechst Aktiengesellschaft | Cellulose ethers having improved dispersing properties |
| EP1452544A1 (de) * | 2003-02-26 | 2004-09-01 | Wolff Cellulosics GmbH & Co.KG | Wasserdispergierbare Celluloseether mit vermindertem Glyoxalgehalt und deren Verfahren zur Herstellung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5719020B2 (ja) * | 2010-06-08 | 2015-05-13 | ダウ グローバル テクノロジーズ エルエルシー | トリアルキルオルトエステルまたはオルト炭酸テトラアルキルで処理された粒状水溶性高分子ポリオール |
| ES2657278T3 (es) | 2012-07-03 | 2018-03-02 | Hercules Llc | Polvos de polímero hidrosolubles con mejor dispersibilidad |
| DE102020110058A1 (de) * | 2020-04-09 | 2021-10-14 | Se Tylose Gmbh & Co. Kg | Anquellverzögerte Celluloseether mit reduziertem Glyoxalgehalt |
-
1974
- 1974-08-14 GB GB3575074A patent/GB1465934A/en not_active Expired
-
1975
- 1975-08-07 DE DE19752535311 patent/DE2535311A1/de active Pending
- 1975-08-07 CA CA233,066A patent/CA1039272A/en not_active Expired
- 1975-08-11 JP JP50097445A patent/JPS5141755A/ja active Pending
- 1975-08-11 BE BE159104A patent/BE832319A/xx unknown
- 1975-08-12 NL NL7509567A patent/NL7509567A/xx not_active Application Discontinuation
- 1975-08-13 IT IT26330/75A patent/IT1041834B/it active
- 1975-08-13 SE SE7509064A patent/SE7509064L/xx unknown
- 1975-08-14 FR FR7525310A patent/FR2299344A1/fr active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298728A (en) | 1980-06-03 | 1981-11-03 | Hercules Incorporated | Method of preparing hydroxyethyl ethers of cellulose |
| US4306061A (en) | 1980-12-29 | 1981-12-15 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
| EP0055820A1 (en) * | 1980-12-29 | 1982-07-14 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
| DE3314214A1 (de) * | 1982-04-27 | 1983-10-27 | Hercules Inc., 19899 Wilmington, Del. | Leicht dispergierbare anionische, wasserloesliche cellulosederivate und verfahren zu ihrer herstellung |
| FR2525608A1 (fr) * | 1982-04-27 | 1983-10-28 | Hercules Inc | Procede d'obtention d'ethers cellulosiques anioniques hydrosolubles,et ethers cellulosiques obtenus par mise en oeuvre de ce procede |
| US4474950A (en) * | 1982-09-01 | 1984-10-02 | Hoechst Aktiengesellschaft | Cellulose ethers having improved dispersing properties |
| EP1452544A1 (de) * | 2003-02-26 | 2004-09-01 | Wolff Cellulosics GmbH & Co.KG | Wasserdispergierbare Celluloseether mit vermindertem Glyoxalgehalt und deren Verfahren zur Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7509567A (nl) | 1976-02-17 |
| BE832319A (fr) | 1975-12-01 |
| SE7509064L (sv) | 1976-02-16 |
| IT1041834B (it) | 1980-01-10 |
| GB1465934A (en) | 1977-03-02 |
| CA1039272A (en) | 1978-09-26 |
| FR2299344B3 (enExample) | 1978-04-07 |
| FR2299344A1 (fr) | 1976-08-27 |
| JPS5141755A (enExample) | 1976-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1468017C3 (de) | Hydroxypropylcellulosen und Verfahren zu deren Hers ellung | |
| DE2115167C3 (de) | Alkalimetall-Carboxylsalz | |
| EP1153040B1 (de) | Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether | |
| EP0319867B1 (de) | Verfahren zur Herstellung von Sulfoethylcellulose mit hervorragender Lösungsqualität | |
| DE2151973A1 (de) | Verfahren zur Herstellung von Alkalimetallsalzen von Carboxymethylcellulose | |
| EP0254025B1 (de) | Alkenyl- oder Alkylbernsteinsäureester enthaltende Wasserlösliche Celluloseether | |
| DE2556754C3 (de) | Verfahren zur Modifizierung von wasserlöslichen Hydroxyalkylcelluloseethern zu völlig oder teilweise wasserunlöslichen Produkten und Verfahren zur Herstellung von wäßrigen Lösungen der modifizierten Produkte | |
| DE2535311A1 (de) | Verfahren zur herstellung von celluloseaethern mit verbesserter dispergierbarkeit in waessrigen fluessigkeiten und nach dem verfahren hergestellte celluloseaether | |
| EP0319865A2 (de) | Carboxymethylsulfoethylcellulose und Verfahren zu ihrer Herstellung | |
| DE1134783B (de) | Verfahren zur Herstellung von mit Siliciumdioxyd ueberzogenen Bariummetaborat-Pigmenten | |
| DE1244145B (de) | Verfahren zum Reinigen von wasserloeslicher Hydroxyaethylcellulose | |
| DE2732457C2 (enExample) | ||
| EP1537149A1 (de) | Verfahren zum herstellen von temporär vernetzten celluloseethern | |
| EP0038925B1 (de) | Verfahren zur Herstellung von wasserarmer Alkalicellulose | |
| DE1470865A1 (de) | Verfahren zur Verbesserung der Loeseeigenschaften hochmolekularer Stoffe | |
| DE1518213A1 (de) | Verfahren zur Herstellung von dispergierbaren und verzoegert in Wasser loeslichen Zelluloseaethern | |
| EP0597364B1 (de) | Reversibel vernetzte Hydrokolloidmischungen mit guter Dispergierbarkeit und Verfahren zu deren Herstellung | |
| DE3314214A1 (de) | Leicht dispergierbare anionische, wasserloesliche cellulosederivate und verfahren zu ihrer herstellung | |
| DE1209751B (de) | Verfahren zur Herstellung von in Wasser klumpenfrei loeslichen, Hydroxylgruppen enthaltenden makromolekularen Verbindungen | |
| DE1205217B (de) | Verfahren zur Herstellung ueberzogener Barium-silicat-Teilchen | |
| DE1801553A1 (de) | Verfahren zur Herstellung von Carboxymethylcellulose mit glattem,langfliessendem Loesungsverhalten | |
| DE527140C (de) | Verfahren zur Herstellung von in kaltem Wasser verkleisternder Staerke | |
| DE858093C (de) | Verfahren zur Herstellung trockener Pigmentpraeparate | |
| DE874902C (de) | Verfahren zur Herstellung von Celluloseaethern | |
| DE1051836B (de) | Verfahren zur Behandlung von wasserloeslichen Celluloseaethern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |