GB1139637A - Process for the manufacture of low viscosity water-soluble cellulose ethers - Google Patents
Process for the manufacture of low viscosity water-soluble cellulose ethersInfo
- Publication number
- GB1139637A GB1139637A GB2395866A GB2395866A GB1139637A GB 1139637 A GB1139637 A GB 1139637A GB 2395866 A GB2395866 A GB 2395866A GB 2395866 A GB2395866 A GB 2395866A GB 1139637 A GB1139637 A GB 1139637A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- cellulose ethers
- soluble cellulose
- manufacture
- low viscosity
- 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
- 229920003086 cellulose ether Polymers 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- -1 methylhydroxymethyl Chemical group 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 235000010980 cellulose Nutrition 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 239000000203 mixture 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
- 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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0056264 | 1965-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1139637A true GB1139637A (en) | 1969-01-08 |
Family
ID=7227780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2395866A Expired GB1139637A (en) | 1965-05-29 | 1966-05-27 | Process for the manufacture of low viscosity water-soluble cellulose ethers |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE681669A (enrdf_load_stackoverflow) |
| CH (1) | CH461455A (enrdf_load_stackoverflow) |
| DE (1) | DE1543116A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1139637A (enrdf_load_stackoverflow) |
| LU (1) | LU51202A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6606972A (enrdf_load_stackoverflow) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048433A (en) * | 1976-02-02 | 1977-09-13 | The Procter & Gamble Company | Cellulose ethers having a low molecular weight and a high degree of methyl substitution |
| EP0465992A1 (en) * | 1990-07-02 | 1992-01-15 | Aqualon Company | High solids low viscosity polysaccharide composition |
| US5708162A (en) * | 1994-04-05 | 1998-01-13 | Hoechst Aktiengesellschaft | Process for the preparation of low molecular weight polysaccharide ethers |
| WO2001007485A1 (de) * | 1999-07-28 | 2001-02-01 | Rhodia Acetow Gmbh | Verfahren zur gezielten depolymerisation von polysacchariden |
| US6884884B2 (en) | 2001-06-11 | 2005-04-26 | Rhodia, Inc. | Galactomannan compositions and methods for making and using same |
| US9365723B2 (en) | 2011-04-01 | 2016-06-14 | Omya International Ag | Process for preparing self-binding pigment particles |
| CN105683300A (zh) * | 2013-11-04 | 2016-06-15 | Omya国际股份公司 | 生产包含羧甲基纤维素基分散剂的高固体颜料悬浮液的方法 |
| US10723886B2 (en) | 2011-08-31 | 2020-07-28 | Omya International Ag | Self-binding pigment hybrid |
| CN119798469A (zh) * | 2025-03-17 | 2025-04-11 | 山东赫达集团股份有限公司 | 一种制备高白度低色度低粘度纤维素醚的方法 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061859A (en) * | 1976-06-14 | 1977-12-06 | The Dow Chemical Company | Viscosity reduction of cellulose derivatives |
| DE2917104A1 (de) | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
| US4547571A (en) * | 1983-10-06 | 1985-10-15 | Kohjin Co., Ltd. | Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating |
| DE19854770A1 (de) * | 1998-11-27 | 2000-05-31 | Wolff Walsrode Ag | Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether |
| SI2505615T1 (sl) | 2011-04-01 | 2014-08-29 | Omya International Ag | Samovezujoäśi pigmentni hibrid |
| EP2662419B1 (en) | 2012-05-11 | 2015-07-01 | Omya International AG | Charge controlled PHCH |
| PT2662418E (pt) | 2012-05-11 | 2015-05-25 | Omya Int Ag | Polímeros adsorvíveis sustentáveis |
| ES2547808T3 (es) | 2012-05-11 | 2015-10-08 | Omya International Ag | Tratamiento de materiales que contienen carbonato de calcio para carga de agente de relleno aumentada en papel |
| EP3018175B1 (en) | 2014-11-07 | 2019-02-06 | Omya International AG | A process for the preparation of flocculated filler particles |
| SI3018176T1 (en) | 2014-11-07 | 2018-07-31 | Omya International Ag | A process for the preparation of flocculating fillers |
| PT3118161T (pt) | 2015-07-17 | 2018-10-08 | Omya Int Ag | Pcc com alto teor de sólidos com celulose carboxilada despolimerizada |
| DE102017223690A1 (de) | 2017-12-22 | 2019-06-27 | Se Tylose Gmbh & Co. Kg | Oxidativer Abbau von Celluloseethern |
-
1965
- 1965-05-29 DE DE19651543116 patent/DE1543116A1/de active Pending
-
1966
- 1966-05-20 NL NL6606972A patent/NL6606972A/xx unknown
- 1966-05-26 BE BE681669D patent/BE681669A/xx unknown
- 1966-05-26 CH CH766766A patent/CH461455A/de unknown
- 1966-05-27 LU LU51202D patent/LU51202A1/xx unknown
- 1966-05-27 GB GB2395866A patent/GB1139637A/en not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048433A (en) * | 1976-02-02 | 1977-09-13 | The Procter & Gamble Company | Cellulose ethers having a low molecular weight and a high degree of methyl substitution |
| EP0465992A1 (en) * | 1990-07-02 | 1992-01-15 | Aqualon Company | High solids low viscosity polysaccharide composition |
| US5708162A (en) * | 1994-04-05 | 1998-01-13 | Hoechst Aktiengesellschaft | Process for the preparation of low molecular weight polysaccharide ethers |
| WO2001007485A1 (de) * | 1999-07-28 | 2001-02-01 | Rhodia Acetow Gmbh | Verfahren zur gezielten depolymerisation von polysacchariden |
| US6884884B2 (en) | 2001-06-11 | 2005-04-26 | Rhodia, Inc. | Galactomannan compositions and methods for making and using same |
| US9365723B2 (en) | 2011-04-01 | 2016-06-14 | Omya International Ag | Process for preparing self-binding pigment particles |
| US10723886B2 (en) | 2011-08-31 | 2020-07-28 | Omya International Ag | Self-binding pigment hybrid |
| CN105683300A (zh) * | 2013-11-04 | 2016-06-15 | Omya国际股份公司 | 生产包含羧甲基纤维素基分散剂的高固体颜料悬浮液的方法 |
| CN105683300B (zh) * | 2013-11-04 | 2017-12-15 | Omya国际股份公司 | 生产包含羧甲基纤维素基分散剂的高固体颜料悬浮液的方法 |
| US10059846B2 (en) | 2013-11-04 | 2018-08-28 | Omya International Ag | Process for producing a high solids pigment suspension comprising carboxymethylcellulose-based dispersant |
| CN119798469A (zh) * | 2025-03-17 | 2025-04-11 | 山东赫达集团股份有限公司 | 一种制备高白度低色度低粘度纤维素醚的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1543116A1 (de) | 1969-07-31 |
| NL6606972A (enrdf_load_stackoverflow) | 1966-11-30 |
| BE681669A (enrdf_load_stackoverflow) | 1966-11-28 |
| LU51202A1 (enrdf_load_stackoverflow) | 1968-02-21 |
| CH461455A (de) | 1968-08-31 |
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