KR100488832B1 - 미립자 폴리사카라이드 유도체의 제조 방법 - Google Patents

미립자 폴리사카라이드 유도체의 제조 방법 Download PDF

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Publication number
KR100488832B1
KR100488832B1 KR10-1999-7006532A KR19997006532A KR100488832B1 KR 100488832 B1 KR100488832 B1 KR 100488832B1 KR 19997006532 A KR19997006532 A KR 19997006532A KR 100488832 B1 KR100488832 B1 KR 100488832B1
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KR
South Korea
Prior art keywords
cellulose
mill
solvent
cellulose derivative
drying
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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
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KR10-1999-7006532A
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English (en)
Korean (ko)
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KR20000070301A (ko
Inventor
군터 베버
데트마르 레데커
베른트 클린크지크
쥐르겐 힌데러
벤노 울피크
Original Assignee
볼프발스로데에이지
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26033246&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR100488832(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE1997154064 external-priority patent/DE19754064A1/de
Application filed by 볼프발스로데에이지 filed Critical 볼프발스로데에이지
Publication of KR20000070301A publication Critical patent/KR20000070301A/ko
Application granted granted Critical
Publication of KR100488832B1 publication Critical patent/KR100488832B1/ko
Assigned to 다우 글로벌 테크놀로지스 엘엘씨 reassignment 다우 글로벌 테크놀로지스 엘엘씨 권리의 전부이전등록 Assignors: 다우 볼프 첼룰로직스 게엠베하
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

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  • 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)
KR10-1999-7006532A 1997-01-21 1998-01-08 미립자 폴리사카라이드 유도체의 제조 방법 Expired - Lifetime KR100488832B1 (ko)

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
KR20000070301A KR20000070301A (ko) 2000-11-25
KR100488832B1 true KR100488832B1 (ko) 2005-05-12

Family

ID=26033246

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7006532A Expired - Lifetime KR100488832B1 (ko) 1997-01-21 1998-01-08 미립자 폴리사카라이드 유도체의 제조 방법

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)

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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
US8785622B2 (en) 2008-01-31 2014-07-22 Rhodia Operations Crosslinked polysaccharides and methods of production thereof
JP5711243B2 (ja) * 2009-10-14 2015-04-30 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
KR101829646B1 (ko) 2010-07-28 2018-02-19 다우 글로벌 테크놀로지스 엘엘씨 투여형으로부터의 활성 성분의 방출을 제어하는 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
WO2012080196A2 (en) * 2010-12-16 2012-06-21 Akzo Nobel Chemicals International B.V. Hydrophobically modified polysaccharide ethers as deposition enhancers for agriculturall active ingredients
KR101916010B1 (ko) 2011-04-06 2018-11-08 다우 글로벌 테크놀로지스 엘엘씨 신규한 폴리사카라이드 유도체 및 제형
WO2012138531A1 (en) 2011-04-06 2012-10-11 Dow Global Technologies Llc Process for reducing the amount of water-insoluble fibers in a water-soluble cellulose derivative
US9352330B2 (en) 2011-04-06 2016-05-31 Dow Global Technologies Llc Process for producing cellulose derivatives of high bulk density and good flowability
BR112013022418A2 (pt) 2011-04-06 2016-12-06 Dow Global Technologies Llc processo para produzir um derivado de celulose particulado, derivado de celulose particulado, método para melhorar a fluidez e a facilidade de dispersão em água fria de um derivado de celulose particulado, composição aquosa, processo para a fabricação de cápsulas e processo para revestir uma forma de dosagem
PL2812294T3 (pl) 2012-02-10 2021-05-31 Dow Global Technologies Llc Zastosowanie pochodnej celulozy do wytwarzania korpusów ceramicznych formowanych przez wytłaczanie i sposób ich wytwarzania
US9340624B2 (en) 2012-09-25 2016-05-17 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
CN104936460B (zh) 2012-09-27 2018-01-12 陶氏环球技术有限责任公司 用于降低油炸食品的油和/或脂肪吸收量的方法
KR102193816B1 (ko) 2012-09-27 2020-12-23 다우 글로벌 테크놀로지스 엘엘씨 튀김 식품의 오일 및/또는 지방 흡수를 감소시키는 방법
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
EP2968580B1 (en) 2013-03-12 2019-06-26 Hercules LLC Coprocessed silica coated polymer composition
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
EP4114868A1 (en) * 2020-03-03 2023-01-11 Huntsman International LLC Process for preparing isocyanate-based stable dispersions comprising derivatized polysaccharides
EP4277949A1 (en) 2021-01-13 2023-11-22 Nutrition & Biosciences USA 1, LLC Improved method for the preparation of microcrystalline cellulose
US20240067759A1 (en) 2021-01-13 2024-02-29 Nutrition & Biosciences Usa 1, Llc Improved method for the preparation of colloidal microcrystalline cellulose

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076935A (en) * 1974-12-13 1978-02-28 Hoechst Aktiengesellschaft Grinding method for cellulose
US4353748A (en) * 1979-06-26 1982-10-12 Imperial Chemical Industries Limited Cementitious product
US4963271A (en) * 1987-09-02 1990-10-16 Henkel Kommanditgesellschaft Auf Aktien Process for the separation and purification of cellulose ethers and cellulose derivatives
WO1995025127A1 (en) * 1994-03-14 1995-09-21 The Dow Chemical Company Process for recovering cellulose ethers from an aqueous medium containing such cellulose ethers

Family Cites Families (17)

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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
JPS5474855A (en) 1977-11-29 1979-06-15 Takeda Chem Ind Ltd Preparation of finely divided soluble cellulose derivative
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
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
US5488104A (en) 1994-06-30 1996-01-30 The Dow Chemical Company Process for comminuting cellulose ethers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076935A (en) * 1974-12-13 1978-02-28 Hoechst Aktiengesellschaft Grinding method for cellulose
US4353748A (en) * 1979-06-26 1982-10-12 Imperial Chemical Industries Limited Cementitious product
US4963271A (en) * 1987-09-02 1990-10-16 Henkel Kommanditgesellschaft Auf Aktien Process for the separation and purification of cellulose ethers and cellulose derivatives
WO1995025127A1 (en) * 1994-03-14 1995-09-21 The Dow Chemical Company Process for recovering cellulose ethers from an aqueous medium containing such cellulose ethers

Also Published As

Publication number Publication date
EP0954536B2 (de) 2009-01-07
DE59801854D1 (de) 2001-11-29
BR9807498A (pt) 2000-03-21
ES2166149T3 (es) 2002-04-01
EP0954536A1 (de) 1999-11-10
CA2278488A1 (en) 1998-07-23
ES2166149T5 (es) 2009-06-15
KR20000070301A (ko) 2000-11-25
JP2001508116A (ja) 2001-06-19
EP0954536B1 (de) 2001-10-24
JP4293570B2 (ja) 2009-07-08
ATE207500T1 (de) 2001-11-15
WO1998031710A1 (de) 1998-07-23
US6320043B1 (en) 2001-11-20
AU6613498A (en) 1998-08-07
CA2278488C (en) 2007-03-20

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