CN103687652B - 从纤维素醚中除去邻亚烷卤醇的方法 - Google Patents
从纤维素醚中除去邻亚烷卤醇的方法 Download PDFInfo
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- CN103687652B CN103687652B CN201280035563.3A CN201280035563A CN103687652B CN 103687652 B CN103687652 B CN 103687652B CN 201280035563 A CN201280035563 A CN 201280035563A CN 103687652 B CN103687652 B CN 103687652B
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- Prior art keywords
- hydroxyalkylalkylcellulose
- water
- cellulose ether
- steam
- molecular weight
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- 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
- 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
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
时间(小时) | 1C2P(ppm) | 2C1P(ppm) |
0.5 | 0.126 | 0.080 |
1.0 | 0.120 | 0.077 |
2.0 | 0.199 | 0.076 |
3.0 | 0.114 | 0.077 |
4.0 | 0.107 | 0.073 |
时间(小时) | 1C2P(ppm) | 2C1P(ppm) |
0.5 | 0.108 | 0.073 |
1.0 | 0.072 | 0.055 |
2.0 | 0.034 | 0.033 |
时间(分钟) | 1C2P(ppm) | 2C1P(ppm) |
5 | 0.110 | 0.072 |
10 | 0.070 | 0.052 |
时间(小时) | 湿气(wt%) | 1C2P(ppm) | 2C1P(ppm) |
0.5 | 7.05 | 0.084 | 0.062 |
1.0 | 0.95 | 0.064 | 0.053 |
2.0 | 0.50 | 0.050 | 0.043 |
3.0 | 0.25 | 0.037 | 0.035 |
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161512115P | 2011-07-27 | 2011-07-27 | |
US61/512,115 | 2011-07-27 | ||
PCT/US2012/047007 WO2013016059A1 (en) | 2011-07-27 | 2012-07-17 | Method of removing alkylene halogenohydrin from cellulose ether |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103687652A CN103687652A (zh) | 2014-03-26 |
CN103687652B true CN103687652B (zh) | 2015-07-15 |
Family
ID=46551947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280035563.3A Active CN103687652B (zh) | 2011-07-27 | 2012-07-17 | 从纤维素醚中除去邻亚烷卤醇的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9156919B2 (zh) |
EP (1) | EP2736614B1 (zh) |
JP (1) | JP5681330B2 (zh) |
KR (1) | KR101775414B1 (zh) |
CN (1) | CN103687652B (zh) |
BR (1) | BR112014000738B1 (zh) |
WO (1) | WO2013016059A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10626192B2 (en) | 2017-05-02 | 2020-04-21 | Corn Products Development, Inc. | Process for reducing propylene chlorohydrin in hydroxypropylated products |
JP7414685B2 (ja) * | 2020-10-22 | 2024-01-16 | 信越化学工業株式会社 | 解重合されたセルロースエーテルの製造方法 |
JP7414686B2 (ja) * | 2020-10-22 | 2024-01-16 | 信越化学工業株式会社 | 解重合されたセルロースエーテルの製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3527751A (en) * | 1967-02-16 | 1970-09-08 | Ici Ltd | Process for the purification of water-soluble hydroxyalkyl cellulose |
CN1306028A (zh) * | 2000-01-14 | 2001-08-01 | 拜尔公司 | 对凝胶成形聚合物进行干燥并形成凝胶的连续方法和设备 |
CN101466739A (zh) * | 2006-06-14 | 2009-06-24 | 陶氏环球技术公司 | 降低纤维素醚的平均分子量的方法 |
CN101547938A (zh) * | 2006-09-09 | 2009-09-30 | 陶氏沃尔弗纤维素有限公司 | 洗涤多糖衍生物的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS538753B2 (zh) * | 1971-10-11 | 1978-03-31 | ||
US4431800A (en) | 1982-03-30 | 1984-02-14 | General Foods Corporation | Process for hydroxypropylating starch |
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 |
US4783242A (en) | 1986-05-22 | 1988-11-08 | The Dow Chemical Company | Distillation system and process |
US6261218B1 (en) | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
JP2002541270A (ja) * | 1999-04-01 | 2002-12-03 | ザ ダウ ケミカル カンパニー | 向上したゲル強度のメチルセルロース |
US6294008B1 (en) | 1999-04-21 | 2001-09-25 | The Dow Chemical Company | Haze-free cellulose ether capsules and process for making |
CA2296125A1 (en) | 2000-01-14 | 2001-07-14 | Ken Mann | Portable container level indicator |
DE60207042T2 (de) * | 2001-01-31 | 2006-07-20 | Asahi Kasei Chemicals Corporation | Verfahren zur herstellung einer wässrigen zellulosederivat-dispersion |
DE10141680B4 (de) | 2001-08-25 | 2004-02-26 | Clariant Gmbh | Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern |
JP5233067B2 (ja) * | 2004-11-02 | 2013-07-10 | 信越化学工業株式会社 | 水溶性セルロースエーテルの分離方法 |
CN101001881A (zh) | 2005-08-22 | 2007-07-18 | 信越化学工业株式会社 | 溶解度提高的纤维素衍生物的制造方法 |
-
2012
- 2012-07-17 CN CN201280035563.3A patent/CN103687652B/zh active Active
- 2012-07-17 US US14/131,556 patent/US9156919B2/en active Active
- 2012-07-17 JP JP2014522872A patent/JP5681330B2/ja active Active
- 2012-07-17 WO PCT/US2012/047007 patent/WO2013016059A1/en active Application Filing
- 2012-07-17 EP EP12738364.4A patent/EP2736614B1/en active Active
- 2012-07-17 KR KR1020147005163A patent/KR101775414B1/ko active IP Right Grant
- 2012-07-17 BR BR112014000738-1A patent/BR112014000738B1/pt active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3527751A (en) * | 1967-02-16 | 1970-09-08 | Ici Ltd | Process for the purification of water-soluble hydroxyalkyl cellulose |
CN1306028A (zh) * | 2000-01-14 | 2001-08-01 | 拜尔公司 | 对凝胶成形聚合物进行干燥并形成凝胶的连续方法和设备 |
CN101466739A (zh) * | 2006-06-14 | 2009-06-24 | 陶氏环球技术公司 | 降低纤维素醚的平均分子量的方法 |
CN101547938A (zh) * | 2006-09-09 | 2009-09-30 | 陶氏沃尔弗纤维素有限公司 | 洗涤多糖衍生物的方法 |
Also Published As
Publication number | Publication date |
---|---|
BR112014000738A2 (pt) | 2017-02-14 |
KR101775414B1 (ko) | 2017-09-19 |
JP2014521771A (ja) | 2014-08-28 |
US9156919B2 (en) | 2015-10-13 |
CN103687652A (zh) | 2014-03-26 |
WO2013016059A1 (en) | 2013-01-31 |
US20140148591A1 (en) | 2014-05-29 |
EP2736614B1 (en) | 2016-06-29 |
JP5681330B2 (ja) | 2015-03-04 |
EP2736614A1 (en) | 2014-06-04 |
BR112014000738B1 (pt) | 2020-10-27 |
KR20140062474A (ko) | 2014-05-23 |
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Effective date of registration: 20210609 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: 20210609 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. Effective date of registration: 20210609 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: 20210609 Address after: michigan Patentee after: THE DOW CHEMICAL Co. Address before: michigan Patentee before: DOW GLOBAL TECHNOLOGIES LLC |