CA2278488C - Process for preparing fine-particle polysaccharide derivatives - Google Patents
Process for preparing fine-particle polysaccharide derivatives Download PDFInfo
- Publication number
- CA2278488C CA2278488C CA002278488A CA2278488A CA2278488C CA 2278488 C CA2278488 C CA 2278488C CA 002278488 A CA002278488 A CA 002278488A CA 2278488 A CA2278488 A CA 2278488A CA 2278488 C CA2278488 C CA 2278488C
- Authority
- CA
- Canada
- Prior art keywords
- finely divided
- polysaccharide derivative
- cellulose
- product
- solid particles
- 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 - Lifetime
Links
- 150000004676 glycans Chemical class 0.000 title claims abstract description 78
- 239000005017 polysaccharide Substances 0.000 title claims abstract description 78
- 229920001282 polysaccharide Polymers 0.000 title claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000010419 fine particle Substances 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 67
- 238000001035 drying Methods 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 30
- 229920002678 cellulose Polymers 0.000 claims abstract description 26
- 238000005189 flocculation Methods 0.000 claims abstract description 26
- 230000016615 flocculation Effects 0.000 claims abstract description 26
- 239000001913 cellulose Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000000047 product Substances 0.000 claims description 44
- 239000002245 particle Substances 0.000 claims description 41
- 239000007787 solid Substances 0.000 claims description 37
- 229920003086 cellulose ether Polymers 0.000 claims description 31
- -1 methyl hydroxypropyl Chemical group 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 26
- 235000010980 cellulose Nutrition 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 14
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 11
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229920000609 methyl cellulose Polymers 0.000 claims description 9
- 235000010981 methylcellulose Nutrition 0.000 claims description 9
- 239000001923 methylcellulose Substances 0.000 claims description 8
- 230000003116 impacting effect Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000012065 filter cake Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 239000003607 modifier Substances 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000003204 osmotic effect Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000004090 dissolution Methods 0.000 abstract description 2
- 239000011877 solvent mixture Substances 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
- 239000012046 mixed solvent Substances 0.000 description 22
- 238000000227 grinding Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 238000002791 soaking Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- RFRMMZAKBNXNHE-UHFFFAOYSA-N 6-[4,6-dihydroxy-5-(2-hydroxyethoxy)-2-(hydroxymethyl)oxan-3-yl]oxy-2-(hydroxymethyl)-5-(2-hydroxypropoxy)oxane-3,4-diol Chemical compound CC(O)COC1C(O)C(O)C(CO)OC1OC1C(O)C(OCCO)C(O)OC1CO RFRMMZAKBNXNHE-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229920000896 Ethulose Polymers 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000002925 chemical effect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N alpha-ketodiacetal Natural products O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 150000004804 polysaccharides Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 description 1
- 241000272165 Charadriidae Species 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000002801 charged material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229960000587 glutaral Drugs 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Chemical class 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 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
- C08B11/20—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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19701876 | 1997-01-21 | ||
| DE19701876.9 | 1997-01-21 | ||
| DE1997154064 DE19754064A1 (de) | 1997-12-05 | 1997-12-05 | Verfahren zur Herstellung von weitgehend nichtfaserigen, feinteiligen Polysaccharidderivaten |
| DE19754064.3 | 1997-12-05 | ||
| PCT/EP1998/000080 WO1998031710A1 (de) | 1997-01-21 | 1998-01-08 | Verfahren zur herstellung von feinteiligen polysaccharidderivaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2278488A1 CA2278488A1 (en) | 1998-07-23 |
| CA2278488C true CA2278488C (en) | 2007-03-20 |
Family
ID=26033246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002278488A Expired - Lifetime CA2278488C (en) | 1997-01-21 | 1998-01-08 | Process for preparing fine-particle polysaccharide derivatives |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6320043B1 (https=) |
| EP (1) | EP0954536B2 (https=) |
| JP (1) | JP4293570B2 (https=) |
| KR (1) | KR100488832B1 (https=) |
| AT (1) | ATE207500T1 (https=) |
| AU (1) | AU6613498A (https=) |
| BR (1) | BR9807498A (https=) |
| CA (1) | CA2278488C (https=) |
| DE (1) | DE59801854D1 (https=) |
| ES (1) | ES2166149T5 (https=) |
| WO (1) | WO1998031710A1 (https=) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6872820B2 (en) * | 1998-12-23 | 2005-03-29 | Wolff Walsrode Ag | Finely divided polysaccharide derivatives |
| DE10001256A1 (de) | 2000-01-14 | 2001-07-19 | Bayer Ag | Kontinuierliches Verfahren und Vorrichtung zur Trocknung und Gelbildung von lösungsmittelhaltigen gelbildenden Polymeren |
| DE10009411A1 (de) * | 2000-02-28 | 2001-08-30 | Wolff Walsrode Ag | Verfahren zur Herstellung pulverförmiger wasserlöslicher Cellulosederivate unter Einsatz eines Wasserdampf/Inertgas-Gemisch oder Wasserdampf/Luft-Gemisch als Transport und Wärmeträgergas |
| DE10009409A1 (de) * | 2000-02-28 | 2001-08-30 | Wolff Walsrode Ag | Verfahren zur Herstellung von pulverförmigen wasserlöslichen Cellulosederivaten |
| DE10013577A1 (de) * | 2000-03-18 | 2001-09-20 | Wolff Walsrode Ag | Verwendung von Polysacchariden oder Polysaccharidderivaten, die nach Vergelung und Heiß-Dampf-Mahltrocknung mittels Gas- oder Wasserdampftrocknung hergestellt wurden, in Baustoffgemischen |
| DE10057799A1 (de) * | 2000-11-22 | 2002-05-23 | Clariant Gmbh | Verfahren zur Reinigung von nichtionischen Alkylcelluloseethern |
| DE10152991A1 (de) * | 2001-10-26 | 2003-05-08 | Wolff Walsrode Ag | Verfahren und Vorrichtung zur Mahltrocknung |
| DE102006042438A1 (de) * | 2006-09-09 | 2008-03-27 | Wolff Cellulosics Gmbh & Co. Kg | Verfahren zur Wäsche von Polysaccharidderivaten |
| DE102007016783A1 (de) | 2007-04-05 | 2008-10-09 | Dow Wolff Cellulosics Gmbh | Methylhydroxypropylcellulose (MHPC) für mineralisch gebundene Baustoffsysteme |
| CN101932610B (zh) | 2008-01-31 | 2013-06-19 | 罗地亚管理公司 | 交联多糖及其制备方法 |
| KR101728745B1 (ko) | 2009-10-14 | 2017-04-20 | 다우 글로벌 테크놀로지스 엘엘씨 | 폴리삭카라이드 유도체의 건식 분쇄 방법 |
| WO2012015400A1 (en) | 2010-07-28 | 2012-02-02 | Dow Global Technologies Llc | A process for dry-grinding a polysaccharide derivative |
| EP2412690A2 (en) | 2010-07-28 | 2012-02-01 | Dow Global Technologies LLC | Polysaccharide derivatives having an adjusted particle morphology for hydrolytically setting compositions |
| WO2012015534A1 (en) | 2010-07-28 | 2012-02-02 | Dow Global Technologies Llc | A method of controlling the release of an active ingredient from a dosage form |
| US9339031B2 (en) * | 2010-12-16 | 2016-05-17 | Akzo Nobel Chemicals International B.V. | Hydrophobically modified polysaccharide ethers as deposition enhancers for agricultural active ingredients |
| CN105949328A (zh) | 2011-04-06 | 2016-09-21 | 陶氏环球技术有限责任公司 | 生产高堆积密度、良好流动性和改进的在冷水中的分散性的纤维素衍生物的方法 |
| EP2694558B1 (en) | 2011-04-06 | 2017-10-18 | Dow Global Technologies LLC | Process for reducing the amount of water-insoluble fibers in a water-soluble cellulose derivative |
| BR112013023380B1 (pt) | 2011-04-06 | 2021-03-23 | Dow Global Technologies Llc | Processo para produzir um derivado de celulose particulado |
| CN103501817B (zh) | 2011-04-06 | 2015-07-15 | 陶氏环球技术有限责任公司 | 新型多糖衍生物和剂型 |
| MX373836B (es) | 2012-02-10 | 2020-03-25 | Nutrition & Biosciences Usa 1 Llc | Composición para cuerpos cerámicos moldeados por extrusión que comprende un derivado de celulosa de determinado largo medio de partícula. |
| WO2014052213A1 (en) | 2012-09-25 | 2014-04-03 | Dow Global Technologies Llc | Process for producing cellulose derivatives of high bulk density, good flowability and/or dispersibility in cold water as well as low solution color |
| JP6334542B2 (ja) | 2012-09-27 | 2018-05-30 | ダウ グローバル テクノロジーズ エルエルシー | フライ食品の油及び／又は脂肪吸収を低減する方法 |
| US10188129B2 (en) | 2012-09-27 | 2019-01-29 | Dow Global Technologies Llc | Methods for reducing oil and/or fat uptake of fried foods |
| EP2900080B1 (en) | 2012-09-27 | 2017-10-25 | Dow Global Technologies LLC | Methods for reducing oil and/or fat uptake of fried foods |
| CN110511440A (zh) | 2013-03-12 | 2019-11-29 | 赫尔克里士公司 | 共处理的涂覆有硅石的聚合物组合物 |
| JP6247321B2 (ja) * | 2016-01-18 | 2017-12-13 | ダウ グローバル テクノロジーズ エルエルシー | 多糖類誘導体を乾式粉砕するための方法 |
| KR102519850B1 (ko) * | 2016-10-07 | 2023-04-10 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 히드록시알킬 알킬 셀룰로오스 및 그의 제조 방법, 및 고형 제제 |
| JP7240663B2 (ja) * | 2018-09-06 | 2023-03-16 | 国立大学法人東京工業大学 | 防水フィルム、使い捨ておむつ用バックシート、汚物処理袋、及び防水フィルムの製造方法 |
| US20230091439A1 (en) * | 2020-03-03 | 2023-03-23 | Huntsman International Llc | Process for preparing isocyanate-based stable dispersions comprising derivatized polysaccharides |
| BR112023013931A2 (pt) | 2021-01-13 | 2024-01-23 | Nutrition & Biosciences Usa 1 Llc | Método aprimorado para a preparação de celulose microcristalina coloidal |
| CN116829133A (zh) | 2021-01-13 | 2023-09-29 | 营养与生物科学美国1有限责任公司 | 用于制备微晶纤维素的改善方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE287556C (https=) * | ||||
| CH287556A (de) * | 1950-06-14 | 1952-12-15 | Ciba Geigy | Verfahren zur Herstellung von Alkylcellulosen in fein pulverisierbarer Form. |
| DE952264C (de) | 1952-04-06 | 1956-11-15 | Henkel & Cie Gmbh | Verfahren zur UEberfuehrung feuchter, faseriger Methylcellulosen in Pulver von hoherLoesungsgeschwindigkeit |
| DE1793472A1 (de) * | 1968-09-23 | 1970-01-02 | Ici Ltd | Freifliessender Celluloseaether und Verfahren zu dessen Herstellung |
| JPS501144B2 (https=) * | 1972-10-18 | 1975-01-16 | ||
| US4076935A (en) * | 1974-12-13 | 1978-02-28 | Hoechst Aktiengesellschaft | Grinding method for cellulose |
| JPS5474855A (en) | 1977-11-29 | 1979-06-15 | Takeda Chem Ind Ltd | Preparation of finely divided soluble cellulose derivative |
| DE3071116D1 (en) * | 1979-06-26 | 1985-10-31 | Ici Plc | Cementitious product |
| DE3032778A1 (de) † | 1980-08-30 | 1982-04-22 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen homogenisierung und pelletisierung von celluloserohaethern |
| DE3038001A1 (de) | 1980-10-08 | 1982-05-06 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur herstellung von mikropulvern aus celluloseether oder cellulose |
| US4689408A (en) | 1985-05-14 | 1987-08-25 | Hercules Incorporated | Method of preparing salts of carboxymethylcellulose |
| US4650716A (en) | 1985-05-14 | 1987-03-17 | Hercules Incorporated | Novel salts of carboxymethylcellulose |
| US4820813A (en) | 1986-05-01 | 1989-04-11 | The Dow Chemical Company | Grinding process for high viscosity cellulose ethers |
| DE3729268A1 (de) * | 1987-09-02 | 1989-03-16 | Henkel Kgaa | Verfahren und anlage zur abtrennung und reinigung von celluloseethern und anderen cellulosederivaten |
| JPH01152103A (ja) * | 1987-12-08 | 1989-06-14 | Nippon Soda Co Ltd | セルロース誘導体球状粒子およびその製造方法 |
| DE3839831A1 (de) † | 1988-11-25 | 1990-05-31 | Hoechst Ag | Verfahren und vorrichtung zur produktschonenden mahlung und gleichzeitigen trocknung von feuchten celluloseethern |
| JP2976116B2 (ja) * | 1989-09-27 | 1999-11-10 | 旭化成工業株式会社 | 球状セルロース粒子の製造方法 |
| GB2262527A (en) * | 1992-07-02 | 1993-06-23 | Dow Deutschland Inc | Process for grinding cellulose compounds |
| JPH07102074A (ja) * | 1993-09-30 | 1995-04-18 | Asahi Chem Ind Co Ltd | セルロース系素材の微細化方法 |
| US5504201A (en) * | 1994-03-14 | 1996-04-02 | The Dow Chemical Company | Process for recovering salable cellulose ethers from an aqueous medium containing such cellulose ethers |
| US5488104A (en) | 1994-06-30 | 1996-01-30 | The Dow Chemical Company | Process for comminuting cellulose ethers |
-
1998
- 1998-01-08 ES ES98907931T patent/ES2166149T5/es not_active Expired - Lifetime
- 1998-01-08 KR KR10-1999-7006532A patent/KR100488832B1/ko not_active Expired - Lifetime
- 1998-01-08 US US09/341,412 patent/US6320043B1/en not_active Expired - Lifetime
- 1998-01-08 DE DE59801854T patent/DE59801854D1/de not_active Expired - Lifetime
- 1998-01-08 AU AU66134/98A patent/AU6613498A/en not_active Abandoned
- 1998-01-08 JP JP53362398A patent/JP4293570B2/ja not_active Expired - Lifetime
- 1998-01-08 EP EP98907931A patent/EP0954536B2/de not_active Expired - Lifetime
- 1998-01-08 AT AT98907931T patent/ATE207500T1/de active
- 1998-01-08 CA CA002278488A patent/CA2278488C/en not_active Expired - Lifetime
- 1998-01-08 BR BR9807498A patent/BR9807498A/pt not_active Application Discontinuation
- 1998-01-08 WO PCT/EP1998/000080 patent/WO1998031710A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ATE207500T1 (de) | 2001-11-15 |
| KR20000070301A (ko) | 2000-11-25 |
| EP0954536B2 (de) | 2009-01-07 |
| JP4293570B2 (ja) | 2009-07-08 |
| EP0954536B1 (de) | 2001-10-24 |
| DE59801854D1 (de) | 2001-11-29 |
| EP0954536A1 (de) | 1999-11-10 |
| US6320043B1 (en) | 2001-11-20 |
| ES2166149T5 (es) | 2009-06-15 |
| WO1998031710A1 (de) | 1998-07-23 |
| ES2166149T3 (es) | 2002-04-01 |
| CA2278488A1 (en) | 1998-07-23 |
| JP2001508116A (ja) | 2001-06-19 |
| AU6613498A (en) | 1998-08-07 |
| BR9807498A (pt) | 2000-03-21 |
| KR100488832B1 (ko) | 2005-05-12 |
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