CN107406522A - 酯化纤维素醚的凝胶化 - Google Patents
酯化纤维素醚的凝胶化 Download PDFInfo
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- CN107406522A CN107406522A CN201680013500.6A CN201680013500A CN107406522A CN 107406522 A CN107406522 A CN 107406522A CN 201680013500 A CN201680013500 A CN 201680013500A CN 107406522 A CN107406522 A CN 107406522A
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- Prior art keywords
- cellulose ether
- esterified cellulose
- weight
- water
- esterified
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- 238000006467 substitution reaction Methods 0.000 claims abstract description 41
- 150000002148 esters Chemical group 0.000 claims abstract description 16
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 15
- 125000002252 acyl group Chemical group 0.000 claims abstract description 13
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 13
- 229920002678 cellulose Polymers 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 53
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 26
- 239000002775 capsule Substances 0.000 claims description 18
- 238000005886 esterification reaction Methods 0.000 claims description 18
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- 229920000639 hydroxypropylmethylcellulose acetate succinate Polymers 0.000 description 68
- ZUAAPNNKRHMPKG-UHFFFAOYSA-N acetic acid;butanedioic acid;methanol;propane-1,2-diol Chemical compound OC.CC(O)=O.CC(O)CO.OC(=O)CCC(O)=O ZUAAPNNKRHMPKG-UHFFFAOYSA-N 0.000 description 66
- 239000000243 solution Substances 0.000 description 51
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- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 25
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 24
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- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/125—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives containing carbohydrate syrups; containing sugars; containing sugar alcohols; containing starch hydrolysates
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
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- A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
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- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- A—HUMAN NECESSITIES
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- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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Abstract
Description
Claims (15)
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US201562133518P | 2015-03-16 | 2015-03-16 | |
US62/133518 | 2015-03-16 | ||
PCT/US2016/021326 WO2016148976A1 (en) | 2015-03-16 | 2016-03-08 | Gelling esterified cellulose ethers |
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CN107406522A true CN107406522A (zh) | 2017-11-28 |
CN107406522B CN107406522B (zh) | 2019-02-26 |
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US (1) | US10759874B2 (zh) |
EP (1) | EP3270970B1 (zh) |
JP (1) | JP6371483B2 (zh) |
KR (1) | KR20170128355A (zh) |
CN (1) | CN107406522B (zh) |
BR (1) | BR112017018367A2 (zh) |
CO (1) | CO2017009910A2 (zh) |
MX (1) | MX2017011128A (zh) |
WO (1) | WO2016148976A1 (zh) |
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CN109563176A (zh) * | 2016-08-23 | 2019-04-02 | 陶氏环球技术有限责任公司 | 邻苯二甲酸乙酸纤维素醚 |
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CN107636019B (zh) | 2015-03-16 | 2019-02-26 | 陶氏环球技术有限责任公司 | 水溶性酯化纤维素醚 |
JP6356922B2 (ja) * | 2015-03-16 | 2018-07-11 | ダウ グローバル テクノロジーズ エルエルシー | 低い中和度を有する水溶性エステル化セルロースエーテル |
US20180362737A1 (en) | 2015-12-08 | 2018-12-20 | Dow Global Technologies Llc | Compositions comprising cellulose ethers and water-soluble esterified cellulose ethers |
WO2017146853A1 (en) | 2016-02-24 | 2017-08-31 | Dow Global Technologies Llc | Aqueous composition comprising water-soluble esterified cellulose ethers |
JP2020511572A (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のエステル化セルロースエーテルの回収方法 |
WO2019022818A1 (en) | 2017-07-26 | 2019-01-31 | Dow Global Technologies Llc | PROCESS FOR PRODUCING HYDROGELS BASED ON ESTERIFIED CELLULOSE ETHERS |
WO2019022819A1 (en) | 2017-07-26 | 2019-01-31 | Dow Global Technologies Llc | PROCESS FOR PRODUCING HYDROGELS BASED ON LOW MOLECULAR WEIGHT HUMAN EMIER CELLULOSE ETHERS |
WO2019022822A1 (en) | 2017-07-26 | 2019-01-31 | Dow Global Technologies Llc | WATER-SOLUBLE POLYSACCHARIDES WITH IMPROVED PALABILITY |
WO2019108264A1 (en) | 2017-11-29 | 2019-06-06 | Dow Global Technologies Llc | Hydrogels based on esterified cellulose ethers |
WO2020117736A1 (en) | 2018-12-04 | 2020-06-11 | DDP Specialty Electronic Materials US, Inc. | Hydroxypropyl methylcellulose acetate succinates of very high molecular weight |
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- 2016-03-08 US US15/550,109 patent/US10759874B2/en not_active Expired - Fee Related
- 2016-03-08 CN CN201680013500.6A patent/CN107406522B/zh not_active Expired - Fee Related
- 2016-03-08 JP JP2017548127A patent/JP6371483B2/ja not_active Expired - Fee Related
- 2016-03-08 MX MX2017011128A patent/MX2017011128A/es unknown
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- 2016-03-08 KR KR1020177026763A patent/KR20170128355A/ko not_active Application Discontinuation
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CN109563176A (zh) * | 2016-08-23 | 2019-04-02 | 陶氏环球技术有限责任公司 | 邻苯二甲酸乙酸纤维素醚 |
CN109563176B (zh) * | 2016-08-23 | 2021-09-28 | 陶氏环球技术有限责任公司 | 邻苯二甲酸乙酸纤维素醚 |
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JP2018509506A (ja) | 2018-04-05 |
CO2017009910A2 (es) | 2019-05-31 |
EP3270970B1 (en) | 2019-01-09 |
WO2016148976A1 (en) | 2016-09-22 |
EP3270970A1 (en) | 2018-01-24 |
MX2017011128A (es) | 2017-11-28 |
BR112017018367A2 (pt) | 2018-04-10 |
JP6371483B2 (ja) | 2018-08-08 |
CN107406522B (zh) | 2019-02-26 |
US20180072820A1 (en) | 2018-03-15 |
US10759874B2 (en) | 2020-09-01 |
KR20170128355A (ko) | 2017-11-22 |
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