CN104797604B - 在碱金属羧酸盐和脂族羧酸的存在下制备酯化纤维素醚的方法 - Google Patents
在碱金属羧酸盐和脂族羧酸的存在下制备酯化纤维素醚的方法 Download PDFInfo
- Publication number
- CN104797604B CN104797604B CN201380054384.9A CN201380054384A CN104797604B CN 104797604 B CN104797604 B CN 104797604B CN 201380054384 A CN201380054384 A CN 201380054384A CN 104797604 B CN104797604 B CN 104797604B
- Authority
- CN
- China
- Prior art keywords
- cellulose ether
- carboxylic acid
- acid
- anhydride
- esterified
- 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 - Fee Related
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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
-
- 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
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- 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)
- Medicinal Preparation (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261692932P | 2012-08-24 | 2012-08-24 | |
US61/692,932 | 2012-08-24 | ||
PCT/US2013/055183 WO2014031446A1 (en) | 2012-08-24 | 2013-08-15 | Process of preparing an esterified cellulose ether in the presence of an alkali metal carboxylate and an aliphatic carboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104797604A CN104797604A (zh) | 2015-07-22 |
CN104797604B true CN104797604B (zh) | 2018-03-06 |
Family
ID=49034262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380054384.9A Expired - Fee Related CN104797604B (zh) | 2012-08-24 | 2013-08-15 | 在碱金属羧酸盐和脂族羧酸的存在下制备酯化纤维素醚的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US10730957B2 (zh) |
EP (1) | EP2888288B1 (zh) |
JP (1) | JP6166372B2 (zh) |
KR (1) | KR102108814B1 (zh) |
CN (1) | CN104797604B (zh) |
BR (1) | BR112015000672A2 (zh) |
MX (1) | MX2015002426A (zh) |
WO (1) | WO2014031446A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6224712B2 (ja) | 2012-08-24 | 2017-11-01 | ダウ グローバル テクノロジーズ エルエルシー | 高分子量および均一性の新規エステル化セルロースエーテル |
KR102362913B1 (ko) * | 2014-02-20 | 2022-02-17 | 뉴트리션 & 바이오사이언시즈 유에스에이 1, 엘엘씨 | 높은 분자량 및 균질성의 신규한 에스테르화된 셀룰로오스 에테르 |
MX2017002073A (es) * | 2014-08-27 | 2017-05-25 | Dow Global Technologies Llc | Eteres de celulosa esterificados con bajo contenido insoluble en acetona. |
US10759874B2 (en) * | 2015-03-16 | 2020-09-01 | Dow Global Technologies Llc | Gelling esterified cellulose ethers |
EP3271404B1 (en) * | 2015-03-16 | 2019-01-09 | Dow Global Technologies LLC | Water-soluble esterified cellulose ethers |
WO2016148978A1 (en) | 2015-03-16 | 2016-09-22 | Dow Global Technologies Llc | Process for preparing an esterified cellulose ether in the presence of an aliphatic carboxylic acid |
EP3270973B1 (en) * | 2015-03-16 | 2019-01-09 | Dow Global Technologies LLC | Aqueous solution of an esterified cellulose ether |
BR112017018260A2 (pt) * | 2015-03-16 | 2018-04-10 | Dow Global Technologies Llc | éteres de celulose esterificados solúveis água tendo um baixo grau de neutralização |
CN105237643B (zh) * | 2015-10-30 | 2017-09-19 | 辽东学院 | 纤维素长链脂肪酸邻苯二甲酸酯及其合成制备方法 |
JP2019531390A (ja) | 2016-10-18 | 2019-10-31 | ダウ グローバル テクノロジーズ エルエルシー | エステル化セルロースエーテルを調製する効率的な方法 |
JP2020511566A (ja) * | 2017-03-17 | 2020-04-16 | ダウ グローバル テクノロジーズ エルエルシー | 反応生成物混合物からエステル化セルロースエーテルを回収する方法 |
US20210115161A1 (en) * | 2017-03-17 | 2021-04-22 | Dow Global Technologies Llc | Process for Recovering an Esterified Cellulose Ether from a Reaction Product Mixture |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3489743A (en) * | 1969-01-02 | 1970-01-13 | Eastman Kodak Co | Process for the manufacture of cellulose esters and ethers of polycarboxylic acid |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB722594A (en) * | 1952-02-20 | 1955-01-26 | Kodak Ltd | Improvements in the manufacture of cellulose esters |
US2852508A (en) | 1956-03-20 | 1958-09-16 | Eastman Kodak Co | Precipitation of dicarboxylic acid esters of cellulose ethers and lower fatty acid esters |
US3435027A (en) | 1965-12-13 | 1969-03-25 | Hercules Inc | Cellulose ether-esters and process |
US3629237A (en) | 1968-09-12 | 1971-12-21 | Shinetsu Chemical Co | Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them |
JPS5137560A (ja) | 1974-09-25 | 1976-03-29 | Tamura Electric Works Ltd | Denjikaunta |
US4226981A (en) | 1977-09-28 | 1980-10-07 | Shin-Etsu Chemical Co., Ltd. | Ether-ester derivatives of cellulose and their applications |
JPS5951562B2 (ja) * | 1977-10-25 | 1984-12-14 | 信越化学工業株式会社 | セルロ−スエ−テルの酸性サクシニルおよび脂肪族モノアシル混成エステルの製造方法 |
DE2917104A1 (de) | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
US4365060A (en) | 1979-04-28 | 1982-12-21 | Shin-Etsu Chemical Co. Ltd. | Enterosoluble capsules |
JPS6225101A (ja) | 1985-07-24 | 1987-02-03 | Shin Etsu Chem Co Ltd | 低重合度セルロ−スエ−テルの製造方法 |
JPS6281402A (ja) * | 1985-10-07 | 1987-04-14 | Shin Etsu Chem Co Ltd | セルロ−スエ−テル酸性ジカルボン酸エステルの製造方法 |
JP2994857B2 (ja) * | 1992-06-05 | 1999-12-27 | 信越化学工業株式会社 | カルボン酸エステル系セルロース誘導体の製造方法 |
JP3149122B2 (ja) | 1994-11-07 | 2001-03-26 | 信越化学工業株式会社 | 固形腸溶製剤のコーティング用基剤 |
US6296876B1 (en) * | 1997-10-06 | 2001-10-02 | Isa Odidi | Pharmaceutical formulations for acid labile substances |
US6261218B1 (en) | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
DE10141680B4 (de) | 2001-08-25 | 2004-02-26 | Clariant Gmbh | Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern |
EP2532683A3 (en) * | 2003-11-28 | 2013-03-20 | Eastman Chemical Company | Cellulose interpolymers and method of oxidation |
CA2568007A1 (en) * | 2004-05-28 | 2005-12-08 | Pfizer Products Inc. | Pharmaceutical compositions with enhanced performance |
WO2006082518A1 (en) * | 2005-02-03 | 2006-08-10 | Pfizer Products Inc. | Pharmaceutical compositions with enhanced performance |
JP4642845B2 (ja) | 2005-12-19 | 2011-03-02 | 日本電信電話株式会社 | 端末識別方法、サーバ、端末およびプログラム |
KR20120038021A (ko) * | 2006-10-27 | 2012-04-20 | 화이자 프로덕츠 인코포레이티드 | 하이드록시프로필 메틸 셀룰로스 경질 캡슐 및 이의 제조 방법 |
FR2945947B1 (fr) * | 2009-05-29 | 2011-07-29 | Flamel Tech Sa | Compositions pharmaceutiques flottantes a liberation controlee |
JP5792807B2 (ja) * | 2010-06-14 | 2015-10-14 | ダウ グローバル テクノロジーズ エルエルシー | アセテートおよびサクシネートの置換が向上されたヒドロキシプロピルメチルセルロースアセテートサクシネート |
WO2014031422A1 (en) * | 2012-08-24 | 2014-02-27 | Dow Global Technologies Llc | Novel hydroxyalkyl methyl cellulose acetate succinates |
-
2013
- 2013-08-15 CN CN201380054384.9A patent/CN104797604B/zh not_active Expired - Fee Related
- 2013-08-15 MX MX2015002426A patent/MX2015002426A/es unknown
- 2013-08-15 KR KR1020157007379A patent/KR102108814B1/ko active IP Right Grant
- 2013-08-15 WO PCT/US2013/055183 patent/WO2014031446A1/en active Application Filing
- 2013-08-15 EP EP13753060.6A patent/EP2888288B1/en active Active
- 2013-08-15 US US14/420,911 patent/US10730957B2/en active Active
- 2013-08-15 BR BR112015000672A patent/BR112015000672A2/pt active Search and Examination
- 2013-08-15 JP JP2015528539A patent/JP6166372B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3489743A (en) * | 1969-01-02 | 1970-01-13 | Eastman Kodak Co | Process for the manufacture of cellulose esters and ethers of polycarboxylic acid |
Also Published As
Publication number | Publication date |
---|---|
JP2015526565A (ja) | 2015-09-10 |
BR112015000672A2 (pt) | 2017-06-27 |
EP2888288A1 (en) | 2015-07-01 |
MX2015002426A (es) | 2015-06-22 |
EP2888288B1 (en) | 2021-06-09 |
KR102108814B1 (ko) | 2020-05-12 |
US10730957B2 (en) | 2020-08-04 |
JP6166372B2 (ja) | 2017-07-19 |
US20150218291A1 (en) | 2015-08-06 |
WO2014031446A1 (en) | 2014-02-27 |
KR20150045506A (ko) | 2015-04-28 |
CN104797604A (zh) | 2015-07-22 |
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TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: New York State, USA Patentee after: Nutrition and biotechnology USA first LLC Address before: Delaware, USA Patentee before: DDP special electronic materials USA Co.,Ltd. Effective date of registration: 20210518 Address after: michigan Patentee after: THE DOW CHEMICAL Co. Address before: michigan Patentee before: DOW GLOBAL TECHNOLOGIES LLC Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials American Co. Address before: michigan Patentee before: THE DOW CHEMICAL Co. Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials USA Co.,Ltd. Address before: Delaware, USA Patentee before: DDP special electronic materials American Co. |
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