GB1465934A - Methods of dissolving cellulose ethers in alkaline media - Google Patents
Methods of dissolving cellulose ethers in alkaline mediaInfo
- Publication number
- GB1465934A GB1465934A GB3575074A GB3575074A GB1465934A GB 1465934 A GB1465934 A GB 1465934A GB 3575074 A GB3575074 A GB 3575074A GB 3575074 A GB3575074 A GB 3575074A GB 1465934 A GB1465934 A GB 1465934A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose ethers
- methods
- alkaline media
- dissolving 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.)
- Expired
Links
- 229920000875 Dissolving pulp Polymers 0.000 title 1
- 150000002170 ethers Chemical class 0.000 title 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 4
- 229920003086 cellulose ether Polymers 0.000 abstract 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract 1
- 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 abstract 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 abstract 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 229940015043 glyoxal Drugs 0.000 abstract 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 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)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3575074A GB1465934A (en) | 1974-08-14 | 1974-08-14 | Methods of dissolving cellulose ethers in alkaline media |
| CA233,066A CA1039272A (en) | 1974-08-14 | 1975-08-07 | Water soluble cellulose ethers |
| DE19752535311 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 |
| JP50097445A JPS5141755A (enExample) | 1974-08-14 | 1975-08-11 | |
| BE159104A BE832319A (fr) | 1974-08-14 | 1975-08-11 | Ethers cellulosiques hydrosolubles |
| NL7509567A NL7509567A (nl) | 1974-08-14 | 1975-08-12 | Werkwijze voor het verbeteren van de disper- geerbaarheid van een cellulose-ether. |
| SE7509064A SE7509064L (sv) | 1974-08-14 | 1975-08-13 | Cellulosaetrar. |
| IT26330/75A IT1041834B (it) | 1974-08-14 | 1975-08-13 | Perfezionamenti relativi a eteri di cellulosa idrosolubili |
| FR7525310A FR2299344A1 (fr) | 1974-08-14 | 1975-08-14 | Ethers cellulosiques hydrosolubles aisement dispersables dans l'eau |
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 |
|---|---|
| GB1465934A true GB1465934A (en) | 1977-03-02 |
Family
ID=10381169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3575074A Expired GB1465934A (en) | 1974-08-14 | 1974-08-14 | Methods of dissolving cellulose ethers in alkaline media |
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 (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 |
| GB2120252A (en) * | 1982-04-27 | 1983-11-30 | Hercules Inc | Readily dispersible anionic water-soluble cellulose derivatives and a method for their preparation |
| 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 |
| WO2011154757A1 (en) * | 2010-06-08 | 2011-12-15 | Dow Global Technologies Llc | Particulate water-soluble polymeric polyol treated with trialkyl orthoesters or tetraalkyl orthocarbonates |
| WO2014008266A3 (en) * | 2012-07-03 | 2014-06-26 | Hercules Incorporated | Water soluble polymer powders with improved dispersibility |
| WO2021204957A1 (de) * | 2020-04-09 | 2021-10-14 | Se Tylose Gmbh & Co. Kg | Anquellverzögerte celluloseether mit reduziertem glyoxalgehalt |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4306061A (en) * | 1980-12-29 | 1981-12-15 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
-
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 (11)
| 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 |
| GB2120252A (en) * | 1982-04-27 | 1983-11-30 | Hercules Inc | Readily dispersible anionic water-soluble cellulose derivatives and a method for their preparation |
| 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 |
| CN100341898C (zh) * | 2003-02-26 | 2007-10-10 | 沃尔夫纤维素产品两合有限公司 | 乙二醛含量低的多糖衍生物和降低其乙二醛含量的方法 |
| US8138331B2 (en) | 2003-02-26 | 2012-03-20 | Dow Global Technologies Llc | Water-dispersible polysaccharide derivatives of reduced glyoxal content, and a process for decreasing the glyoxal content in glyoxal-crosslinked polysaccharide derivatives |
| WO2011154757A1 (en) * | 2010-06-08 | 2011-12-15 | Dow Global Technologies Llc | Particulate water-soluble polymeric polyol treated with trialkyl orthoesters or tetraalkyl orthocarbonates |
| WO2014008266A3 (en) * | 2012-07-03 | 2014-06-26 | Hercules Incorporated | Water soluble polymer powders with improved dispersibility |
| US9441118B2 (en) | 2012-07-03 | 2016-09-13 | Hercules Incorporated | Water soluble polymer powders with improved dispersibility |
| WO2021204957A1 (de) * | 2020-04-09 | 2021-10-14 | Se Tylose Gmbh & Co. Kg | Anquellverzögerte celluloseether mit reduziertem glyoxalgehalt |
| US12570768B2 (en) | 2020-04-09 | 2026-03-10 | Se Tylose Gmbh & Co. Kg | Cellulose ethers with delayed solubility and having a reduced glyoxal content |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7509567A (nl) | 1976-02-17 |
| DE2535311A1 (de) | 1976-02-26 |
| BE832319A (fr) | 1975-12-01 |
| SE7509064L (sv) | 1976-02-16 |
| IT1041834B (it) | 1980-01-10 |
| CA1039272A (en) | 1978-09-26 |
| FR2299344B3 (enExample) | 1978-04-07 |
| FR2299344A1 (fr) | 1976-08-27 |
| JPS5141755A (enExample) | 1976-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |