FR1455642A - Procédé de préparation d'hydroxypropylméthylcelluloses solubles dans l'eau - Google Patents
Procédé de préparation d'hydroxypropylméthylcelluloses solubles dans l'eauInfo
- Publication number
- FR1455642A FR1455642A FR39940A FR39940A FR1455642A FR 1455642 A FR1455642 A FR 1455642A FR 39940 A FR39940 A FR 39940A FR 39940 A FR39940 A FR 39940A FR 1455642 A FR1455642 A FR 1455642A
- Authority
- FR
- France
- Prior art keywords
- cellulose
- weight
- water
- air
- product
- 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
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
-
- 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
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
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 |
---|---|---|---|
DE1468048A DE1468048B2 (de) | 1964-11-28 | 1964-11-28 | Verfahren zur Herstellung von Hydroxypropyl-methylcellulosen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1455642A true FR1455642A (fr) | 1966-10-14 |
Family
ID=7158677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39940A Expired FR1455642A (fr) | 1964-11-28 | 1965-11-26 | Procédé de préparation d'hydroxypropylméthylcelluloses solubles dans l'eau |
Country Status (8)
Country | Link |
---|---|
US (1) | US3453261A (fr) |
AT (1) | AT263028B (fr) |
BE (1) | BE672900A (fr) |
DE (1) | DE1468048B2 (fr) |
FR (1) | FR1455642A (fr) |
GB (1) | GB1076969A (fr) |
NL (1) | NL145865B (fr) |
SE (1) | SE311146B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093368A1 (fr) * | 1982-05-05 | 1983-11-09 | Wolff Walsrode Aktiengesellschaft | Procédé de préparation d'hydroalkylméthyl celluloses |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3619451A (en) * | 1967-09-29 | 1971-11-09 | Ici Ltd | Powdered cellulose ether |
US4001211A (en) * | 1974-12-02 | 1977-01-04 | The Dow Chemical Company | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers |
US4015067A (en) * | 1975-08-18 | 1977-03-29 | The Dow Chemical Company | Method of preparing polysaccharide ethers and apparatus |
US4096325A (en) * | 1976-02-20 | 1978-06-20 | Anheuser-Busch, Incorporated | Methyl hydroxypropyl cellulose ethers |
DE2912486A1 (de) * | 1979-03-29 | 1980-10-09 | Henkel Kgaa | Verfahren zum reinigen von kaltwasserloeslichen celluloseethern und verwendung der gereinigten produkte, insbesondere in wasch- und reinigungsmitteln |
DE3140813A1 (de) * | 1981-10-14 | 1983-04-21 | Wolff Walsrode Ag, 3030 Walsrode | Verfahren zur herstellung von celluloseethern |
US4581446A (en) * | 1985-03-15 | 1986-04-08 | The Dow Chemical Company | Purification of cellulose ethers |
US5969052A (en) | 1996-12-31 | 1999-10-19 | Kimberly Clark Worldwide, Inc. | Temperature sensitive polymers and water-dispersible products containing the polymers |
US5986004A (en) | 1997-03-17 | 1999-11-16 | Kimberly-Clark Worldwide, Inc. | Ion sensitive polymeric materials |
US6043317A (en) | 1997-05-23 | 2000-03-28 | Kimberly-Clark Worldwide, Inc. | Ion sensitive binder for fibrous materials |
US5976694A (en) | 1997-10-03 | 1999-11-02 | Kimberly-Clark Worldwide, Inc. | Water-sensitive compositions for improved processability |
US6713414B1 (en) | 2000-05-04 | 2004-03-30 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6423804B1 (en) | 1998-12-31 | 2002-07-23 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive hard water dispersible polymers and applications therefor |
US7276459B1 (en) | 2000-05-04 | 2007-10-02 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6579570B1 (en) | 2000-05-04 | 2003-06-17 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6599848B1 (en) | 2000-05-04 | 2003-07-29 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6815502B1 (en) | 2000-05-04 | 2004-11-09 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersable polymers, a method of making same and items using same |
US6548592B1 (en) | 2000-05-04 | 2003-04-15 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6653406B1 (en) | 2000-05-04 | 2003-11-25 | Kimberly Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6835678B2 (en) | 2000-05-04 | 2004-12-28 | Kimberly-Clark Worldwide, Inc. | Ion sensitive, water-dispersible fabrics, a method of making same and items using same |
US6683143B1 (en) | 2000-05-04 | 2004-01-27 | Kimberly Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6429261B1 (en) | 2000-05-04 | 2002-08-06 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6444214B1 (en) | 2000-05-04 | 2002-09-03 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US7101612B2 (en) | 2000-05-04 | 2006-09-05 | Kimberly Clark Worldwide, Inc. | Pre-moistened wipe product |
US7070854B2 (en) | 2001-03-22 | 2006-07-04 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US6828014B2 (en) | 2001-03-22 | 2004-12-07 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US6908966B2 (en) | 2001-03-22 | 2005-06-21 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US6897168B2 (en) | 2001-03-22 | 2005-05-24 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
CN101260158B (zh) * | 2008-04-14 | 2010-08-25 | 浙江中维药业有限公司 | 羟丙基甲基纤维素制备方法 |
EP2998340B1 (fr) | 2014-09-22 | 2019-07-17 | Shin-Etsu Chemical Co., Ltd. | Procédé de production en continu d'éther de cellulose |
US9884922B2 (en) * | 2016-03-11 | 2018-02-06 | Shin-Etsu Chemical Co., Ltd. | Hypromellose acetate succinate, method for producing the same and composition containing the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840485A (en) * | 1953-11-25 | 1958-06-24 | Dow Chemical Co | Thermoplastic compositions of watersoluble cellulose ethers |
US2949452A (en) * | 1956-04-30 | 1960-08-16 | Dow Chemical Co | Process for preparing alkyl hydroxyalkyl cellulose ethers and the product obtained thereby |
US2978343A (en) * | 1958-10-09 | 1961-04-04 | Nat Starch Chem Corp | Remoistenable adhesive compositions |
US3342805A (en) * | 1964-05-27 | 1967-09-19 | Dow Chemical Co | Process for the manufacture of cellulose ethers |
-
1964
- 1964-11-28 DE DE1468048A patent/DE1468048B2/de not_active Ceased
-
1965
- 1965-10-13 US US495683A patent/US3453261A/en not_active Expired - Lifetime
- 1965-10-29 NL NL656514071A patent/NL145865B/xx unknown
- 1965-11-26 AT AT1066565A patent/AT263028B/de active
- 1965-11-26 FR FR39940A patent/FR1455642A/fr not_active Expired
- 1965-11-26 GB GB50254/65A patent/GB1076969A/en not_active Expired
- 1965-11-26 SE SE15337/65A patent/SE311146B/xx unknown
- 1965-11-26 BE BE672900D patent/BE672900A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093368A1 (fr) * | 1982-05-05 | 1983-11-09 | Wolff Walsrode Aktiengesellschaft | Procédé de préparation d'hydroalkylméthyl celluloses |
US4508895A (en) * | 1982-05-05 | 1985-04-02 | Bayer Aktiengesellschaft | Process for the production of hydroxyalkyl methyl celluloses |
Also Published As
Publication number | Publication date |
---|---|
AT263028B (de) | 1968-07-10 |
NL6514071A (fr) | 1966-05-31 |
US3453261A (en) | 1969-07-01 |
BE672900A (fr) | 1966-05-26 |
NL145865B (nl) | 1975-05-15 |
DE1468048A1 (de) | 1969-01-09 |
GB1076969A (en) | 1967-07-26 |
SE311146B (fr) | 1969-06-02 |
DE1468048B2 (de) | 1975-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1455642A (fr) | Procédé de préparation d'hydroxypropylméthylcelluloses solubles dans l'eau | |
GB435851A (en) | Manufacture of polymeric vinyl alcohols | |
FR2547589B1 (fr) | Procede de fabrication de polyvinylbutyral et produits obtenus | |
CN207823495U (zh) | 固色pva膜表面残留硼酸的清除装置 | |
Wolfrom et al. | Ethyl Glycosides of 2-Acetamido-2-deoxy-1-thio-D-galactose | |
GB471847A (en) | Improvements in or relating to the manufacture and treatment of cellulose derivatives | |
DE835596C (de) | Verfahren zur Aufarbeitung der bei der Umwandlung von p-Oxyalkylphenonen in Pinakonverbindungen anfallenden Mutterlaugen | |
AT53788B (de) | Verfahren zur Herstellung von Bromierungsprodukten mehrfach halogenierter Indigos. | |
US2119116A (en) | Treatment of cellulose esters | |
GB909039A (en) | Improvements in and relating to the production of cellulose methyl ethers | |
GB1072238A (en) | Process for the preparation of pivalolactone | |
SU140065A1 (ru) | Способ очистки N, N-дибета-нафтил-р-фенилендиамина | |
DE1222030B (de) | Verfahren zur Herstellung von Methyl-hydroxyalkyl-celluloseaethern | |
FR1181686A (fr) | Procédé pour traiter des solutions de lavage telles qu'on en recueille par exemple lors de l'épuration de polyoléfines obtenues sous basse pression | |
SU380677A1 (ru) | Способ удаления растворителя | |
GB737363A (en) | Method for the production of water and/or alkali soluble cellulose derivatives | |
GB486488A (en) | Recovery of lower aliphatic acids | |
GB288143A (en) | Process for the working up of ethyl cellulose | |
GB590750A (en) | A method for the separation of components of starch | |
GB419286A (en) | Improvement in manufacture of starch from maize | |
GB365710A (en) | Improvements in and relating to the manufacture of cellulose acetate | |
GB200827A (en) | Improvements in and relating to the process of preparing low water content alkali cellulose, and the preparation of cellulose ethers therefrom | |
GB719566A (en) | Process for modifying the solubility of polymers | |
GB1014049A (en) | A pyridazine derivative, the preparation thereof and its use as a curing agent | |
GB1000687A (en) | Methylmercaptophenols and process for their preparation |