ES532118A0 - Un procedimiento para la preparacion de eteres mixtos de celulosa - Google Patents
Un procedimiento para la preparacion de eteres mixtos de celulosaInfo
- Publication number
- ES532118A0 ES532118A0 ES532118A ES532118A ES532118A0 ES 532118 A0 ES532118 A0 ES 532118A0 ES 532118 A ES532118 A ES 532118A ES 532118 A ES532118 A ES 532118A ES 532118 A0 ES532118 A0 ES 532118A0
- Authority
- ES
- Spain
- Prior art keywords
- cellulose
- base
- etherifying
- steps
- mixed
- 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.)
- Granted
Links
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- 239000002585 base Substances 0.000 abstract 5
- 230000003197 catalytic effect Effects 0.000 abstract 2
- 229920003086 cellulose ether Polymers 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 abstract 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 abstract 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 230000003113 alkalizing effect Effects 0.000 abstract 1
- 238000006266 etherification reaction Methods 0.000 abstract 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- -1 methyl-hydroxypropyl Chemical group 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833316124 DE3316124A1 (de) | 1983-05-03 | 1983-05-03 | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8502448A1 ES8502448A1 (es) | 1985-01-01 |
| ES532118A0 true ES532118A0 (es) | 1985-01-01 |
Family
ID=6198031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES532118A Granted ES532118A0 (es) | 1983-05-03 | 1984-05-02 | Un procedimiento para la preparacion de eteres mixtos de celulosa |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4550161A (es) |
| EP (1) | EP0126959B1 (es) |
| JP (1) | JPH0655763B2 (es) |
| AT (1) | ATE32901T1 (es) |
| BR (1) | BR8402053A (es) |
| CA (1) | CA1206962A (es) |
| DE (2) | DE3316124A1 (es) |
| ES (1) | ES532118A0 (es) |
| FI (1) | FI74712C (es) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3417952A1 (de) * | 1984-05-15 | 1985-11-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
| JPH0816046B2 (ja) * | 1987-03-09 | 1996-02-21 | 信越化学工業株式会社 | 化粧品用原材料物質 |
| DE4015158A1 (de) * | 1990-05-11 | 1991-11-14 | Wolff Walsrode Ag | Alkenylmethylhydroxypropylcelluloseether und ein verfahren zu ihrer herstellung |
| DE4024968A1 (de) * | 1990-08-07 | 1992-07-09 | Wolff Walsrode Ag | Dihydroxypropylsulfoethylcellulosen, ihre herstellung und verwendung |
| DE4037605A1 (de) * | 1990-11-27 | 1992-06-04 | Wolff Walsrode Ag | Wasserloesliche hydroxypropyl-sulfoethyl-cellulosederivate (hpsec) mit niedrigem substitutionsgrad und verfahren zu ihrer herstellung |
| JPH10251131A (ja) * | 1997-03-11 | 1998-09-22 | Sunstar Inc | 口腔用組成物 |
| DE19746264A1 (de) | 1997-10-20 | 1999-04-29 | Wolff Walsrode Ag | Verfahren zur Herstellung einer Carboxymethylcellulose mit verbesserter Wasserretention |
| US6261218B1 (en) * | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
| WO2000059947A1 (en) * | 1999-04-01 | 2000-10-12 | The Dow Chemical Company | Enhanced gel strength methylcellulose |
| CN1507453A (zh) | 2001-05-21 | 2004-06-23 | 陶氏环球技术公司 | 生产烷基羟烷基纤维素醚的方法 |
| SE520715C2 (sv) * | 2001-12-03 | 2003-08-12 | Akzo Nobel Nv | Förfarande för framställning av metylcellulosaetrar |
| DE10233788A1 (de) † | 2002-07-25 | 2004-02-05 | Wolff Cellulosics Gmbh & Co. Kg | Cellulosederivate mit gel-artigen rheologischen Eigenschaften und Verfahren zur Herstellung derselben |
| DE102004019296B4 (de) * | 2004-04-21 | 2006-01-05 | Wolff Cellulosics Gmbh & Co. Kg | Verfahren zur Herstellung von Methylhydroxyalkylcellulose |
| CN101003577B (zh) * | 2006-01-20 | 2010-12-22 | 上海长光企业发展有限公司 | 一种高取代度聚阴离子纤维素生产工艺 |
| CN101583628B (zh) * | 2007-01-22 | 2014-09-24 | 阿克佐诺贝尔股份有限公司 | 制备纤维素醚的方法 |
| US20080262216A1 (en) * | 2007-04-20 | 2008-10-23 | Shin-Etsu Chemical Co., Ltd. | Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved |
| CN101455286B (zh) * | 2008-04-03 | 2011-07-06 | 上海长光企业发展有限公司 | 一种食品用羧甲基纤维素钠的制备方法 |
| CN101602938B (zh) * | 2009-07-13 | 2012-11-28 | 北京理工大学 | 一种纤维素基钻井液降滤失剂的制备方法 |
| JP5586186B2 (ja) * | 2009-08-06 | 2014-09-10 | 株式会社プレックス | アルカリセルロースまたはその誘導体の製造方法。 |
| BR112012014239A2 (pt) * | 2009-12-16 | 2016-06-14 | Union Carbide Chem Plastic | composição para cuidado pessoal |
| BR112013005642B1 (pt) | 2010-10-12 | 2021-12-07 | Nutrition & Biosciences Usa 1, Llc | Éter de celulose, composição aquosa para a manufatura de cápsulas ou revestimentos, processo para a manufatura de cápsulas, processo para revestir uma forma de dosagem, invólucro de cápsula, cápsula e forma de dosagem |
| JP5902696B2 (ja) | 2010-10-12 | 2016-04-13 | ダウ グローバル テクノロジーズ エルエルシー | 新規なセルロースエーテルおよびその使用 |
| CN102863544B (zh) * | 2012-09-25 | 2014-08-20 | 上海同化新材料科技有限公司 | 粘度为50～80毫帕·秒的粘结剂的制备方法及粘结剂及其应用 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB734924A (en) * | 1951-03-31 | 1955-08-10 | Hercules Powder Co Ltd | Improvements in or relating to modified ethyl cellulose and its method of preparation |
| GB833834A (en) * | 1958-02-05 | 1960-05-04 | Dow Chemical Co | Water-soluble thermoplastic cellulose ethers |
| DE1418921A1 (de) * | 1960-07-21 | 1968-12-05 | Kalle Ag | Verfahren zur Herstellung von wasserloeslichen vernetzbaren Celluloseallylmischaethern |
| FR1295128A (fr) * | 1961-07-13 | 1962-06-01 | Kalle Ag | Procédé pour la préparation d'allyléthers mixtes de cellulose solubles dans l'eau et capables de former un réseau |
| US3355449A (en) * | 1963-06-19 | 1967-11-28 | Toyo Spinning Co Ltd | Water soluble cellulose ethers and their production |
| FR1497780A (fr) * | 1965-11-01 | 1967-10-13 | Dow Chemical Co | Nouveaux éthers d'hydroxypropyl méthyl cellulose, procédé pour les préparer et compositions les utilisant |
| US3388082A (en) * | 1965-11-01 | 1968-06-11 | Dow Chemical Co | Novel hydroxypropyl methyl cellulose ethers, a process for preparing the same, and compositions utilizing such ethers |
| SU397519A1 (ru) * | 1971-03-12 | 1973-09-17 | Способ получения .мети локси проп и л целлюлозы | |
| US3839319A (en) * | 1973-01-26 | 1974-10-01 | Dow Chemical Co | Hydroxypropyl methylcellulose ethers and method of preparation |
| JPS5038782A (es) * | 1973-08-10 | 1975-04-10 | ||
| US4096325A (en) * | 1976-02-20 | 1978-06-20 | Anheuser-Busch, Incorporated | Methyl hydroxypropyl cellulose ethers |
| DE3039963A1 (de) * | 1980-10-23 | 1982-05-27 | Hoechst Ag, 6000 Frankfurt | Wasserloesliche cellulosemischether mit einem phosphonomethylsubstituenten und ein verfahren zu ihrer herstellung |
| DE3147434A1 (de) * | 1981-11-30 | 1983-06-09 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von celluloseethern mit dimethoxyethan als dispergierhilfsmittel |
| JPS5949201A (ja) * | 1982-09-16 | 1984-03-21 | Shin Etsu Chem Co Ltd | ヒドロキシアルキルアルキルセルロ−スの製造方法 |
| US4456751A (en) * | 1983-09-22 | 1984-06-26 | The Dow Chemical Company | Multiple stage process for preparing mixed hydroxyalkylcellulose ethers |
-
1983
- 1983-05-03 DE DE19833316124 patent/DE3316124A1/de not_active Withdrawn
-
1984
- 1984-04-19 EP EP84104485A patent/EP0126959B1/de not_active Expired
- 1984-04-19 DE DE8484104485T patent/DE3469741D1/de not_active Expired
- 1984-04-19 AT AT84104485T patent/ATE32901T1/de not_active IP Right Cessation
- 1984-04-27 CA CA000452954A patent/CA1206962A/en not_active Expired
- 1984-04-27 US US06/605,192 patent/US4550161A/en not_active Expired - Lifetime
- 1984-04-30 FI FI841717A patent/FI74712C/fi not_active IP Right Cessation
- 1984-05-01 JP JP59086307A patent/JPH0655763B2/ja not_active Expired - Lifetime
- 1984-05-02 BR BR8402053A patent/BR8402053A/pt unknown
- 1984-05-02 ES ES532118A patent/ES532118A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4550161A (en) | 1985-10-29 |
| FI74712B (fi) | 1987-11-30 |
| ES8502448A1 (es) | 1985-01-01 |
| EP0126959A1 (de) | 1984-12-05 |
| FI841717L (fi) | 1984-11-04 |
| FI74712C (fi) | 1988-03-10 |
| JPH0655763B2 (ja) | 1994-07-27 |
| BR8402053A (pt) | 1984-12-11 |
| ATE32901T1 (de) | 1988-03-15 |
| CA1206962A (en) | 1986-07-02 |
| FI841717A0 (fi) | 1984-04-30 |
| DE3469741D1 (en) | 1988-04-14 |
| DE3316124A1 (de) | 1984-11-08 |
| JPS59207901A (ja) | 1984-11-26 |
| EP0126959B1 (de) | 1988-03-09 |
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