DE4342442C2 - Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose - Google Patents

Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose

Info

Publication number
DE4342442C2
DE4342442C2 DE4342442A DE4342442A DE4342442C2 DE 4342442 C2 DE4342442 C2 DE 4342442C2 DE 4342442 A DE4342442 A DE 4342442A DE 4342442 A DE4342442 A DE 4342442A DE 4342442 C2 DE4342442 C2 DE 4342442C2
Authority
DE
Germany
Prior art keywords
cellulose
level
pressure
under
oxygen
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
Application number
DE4342442A
Other languages
German (de)
English (en)
Other versions
DE4342442A1 (de
Inventor
Manfred Dr Bergfeld
Juergen Dr Seifert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BERGFELD, MANFRED, DR., 63906 ERLENBACH, DE
Original Assignee
Akzo Nobel NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Akzo Nobel NV filed Critical Akzo Nobel NV
Priority to DE4342442A priority Critical patent/DE4342442C2/de
Priority to EP94119200A priority patent/EP0657472A1/de
Priority to TW083111415A priority patent/TW267172B/zh
Priority to CA002137890A priority patent/CA2137890A1/en
Priority to JP6308014A priority patent/JPH07206901A/ja
Priority to US08/354,788 priority patent/US5543511A/en
Priority to FI945856A priority patent/FI107929B/fi
Priority to BR9404978A priority patent/BR9404978A/pt
Publication of DE4342442A1 publication Critical patent/DE4342442A1/de
Application granted granted Critical
Publication of DE4342442C2 publication Critical patent/DE4342442C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose

Landscapes

  • 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)
DE4342442A 1993-12-13 1993-12-13 Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose Expired - Fee Related DE4342442C2 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE4342442A DE4342442C2 (de) 1993-12-13 1993-12-13 Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose
EP94119200A EP0657472A1 (de) 1993-12-13 1994-12-06 Verfahren zur Herstellung von Level-off DP Cellulose
TW083111415A TW267172B (enExample) 1993-12-13 1994-12-08
JP6308014A JPH07206901A (ja) 1993-12-13 1994-12-12 レベル−オフ ｄｐ セルロースの製法
CA002137890A CA2137890A1 (en) 1993-12-13 1994-12-12 Process for the preparation of level-off dp cellulose
US08/354,788 US5543511A (en) 1993-12-13 1994-12-12 Process for the preparation of level-off DP cellulose
FI945856A FI107929B (fi) 1993-12-13 1994-12-13 Menetelmä level-off-DP-selluloosan valmistamiseksi
BR9404978A BR9404978A (pt) 1993-12-13 1994-12-13 Processo para a obtenção de celulose de grau de polimerização nivelado

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4342442A DE4342442C2 (de) 1993-12-13 1993-12-13 Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose

Publications (2)

Publication Number Publication Date
DE4342442A1 DE4342442A1 (de) 1995-06-14
DE4342442C2 true DE4342442C2 (de) 1996-11-21

Family

ID=6504864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4342442A Expired - Fee Related DE4342442C2 (de) 1993-12-13 1993-12-13 Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose

Country Status (8)

Country Link
US (1) US5543511A (enExample)
EP (1) EP0657472A1 (enExample)
JP (1) JPH07206901A (enExample)
BR (1) BR9404978A (enExample)
CA (1) CA2137890A1 (enExample)
DE (1) DE4342442C2 (enExample)
FI (1) FI107929B (enExample)
TW (1) TW267172B (enExample)

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US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US5769934A (en) * 1997-01-15 1998-06-23 Fmc Corporation Method for producing microcrystalline cellulose
WO1999060027A1 (en) * 1998-05-14 1999-11-25 Kemestrie Inc. Process for preparing a high purity chemical-free microcrystalline cellulose from a chemically produced cellulose
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
MXPA02000073A (es) * 1999-07-02 2006-06-23 Rettenmaier & Soehne Gmbh & Co Tratamiento de pulpa para producir celulosa microcristalina.
WO2002036877A1 (en) * 2000-11-03 2002-05-10 Kemestrie Inc. Process for producing low dp microcrystalline cellulose
DE10209812A1 (de) * 2001-03-22 2002-09-26 Degussa Construction Chem Gmbh Verwendung von wasserlöslichen Polysaccharid-Derivaten als Dispergiermittel für mineralische Bindemittelsuspensionen
BR0312849A (pt) * 2002-07-26 2005-04-19 Fmc Corp Produção de celulose microcristalina
US7005514B2 (en) * 2002-10-16 2006-02-28 International Paper Company Process for preparing microcrystalline cellulose
US7497924B2 (en) * 2003-05-14 2009-03-03 International Paper Company Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board
US7037405B2 (en) * 2003-05-14 2006-05-02 International Paper Company Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board
JPWO2005049869A1 (ja) * 2003-11-21 2007-06-07 タマティーエルオー株式会社 有機化合物の加水分解方法
US20050239744A1 (en) * 2004-04-22 2005-10-27 Michael Ioelovich Method of producing microcrystalline cellulose-containing compositions
JP4651086B2 (ja) * 2005-03-22 2011-03-16 トヨタ自動車株式会社 セルロースの分解方法
US7815741B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815876B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
ES2348843B1 (es) 2009-05-14 2011-10-07 Blanver Farmoquimica Ltda. Procedimiento para la preparacion de celulosa microcristalina.
RU2395636C1 (ru) * 2009-07-13 2010-07-27 Учреждение Российской академии наук Институт химии и химической технологии Сибирского отделения РАН (ИХХТ СО РАН) Способ получения микрокристаллической целлюлозы из автогидролизованной древесины
FI123270B2 (fi) * 2010-06-07 2019-04-15 Kemira Oyj Mikroselluloosan valmistus
FI126573B (fi) 2010-06-07 2017-02-28 Kemira Oyj Menetelmä mikroselluloosan valmistamiseksi
FI126649B (fi) 2010-06-07 2017-03-31 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
FI126842B (fi) 2010-06-07 2017-06-15 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
BR112014007880B1 (pt) 2011-10-05 2020-07-14 Dupont Nutrition Usa, Inc Composição estab ilizante de celulose microcristalina co-atritada e carboximetilcelulose, método de preparação, e usos
JP6188030B2 (ja) 2011-10-05 2017-08-30 エフ エム シー コーポレーションＦｍｃ Ｃｏｒｐｏｒａｔｉｏｎ 微結晶セルロースおよびカルボキシメチルセルロースの安定化剤組成物、該組成物の製造方法並びに食品製品
BR112014013792B8 (pt) 2011-12-09 2020-11-10 Dupont Nutrition Usa Inc composição estabilizadora co-atritada compreendendo carboximetilcelulose de alto grau de substituição e baixa viscosidade, alimento, composição industrial, e, método para fazer a composição estabilizadora
CN102617750A (zh) * 2012-03-07 2012-08-01 中国科技开发院广西分院 一种二氧化碳催化制备微分子右旋糖酐的方法
CN102702361B (zh) * 2012-05-19 2014-03-19 吉林大学 一种微晶纤维素的酯化改性方法
ES2886445T3 (es) 2014-11-03 2021-12-20 Dupont Nutrition Usa Inc Estabilizadores eficaces de bebidas de proteínas vegetales que comprenden celulosa microcristalina coloidal elaborada a partir de pasta de celulosa no soluble
US10597820B2 (en) 2015-05-14 2020-03-24 DuPont Nutrition USA, Inc. Method of making bleached microcrystalline cellulose
CN108264569B (zh) * 2017-01-03 2020-01-03 中国科学院金属研究所 一种纤维素ii型纳米晶粒子及其制备方法和应用
WO2022125895A1 (en) 2020-12-11 2022-06-16 Dupont Nutrition Biosciences Aps Microcrystalline cellulose, compositions, methods of making the same and food products comprising them
BR112023013931A2 (pt) 2021-01-13 2024-01-23 Nutrition & Biosciences Usa 1 Llc Método aprimorado para a preparação de celulose microcristalina coloidal
WO2022152763A1 (en) 2021-01-13 2022-07-21 Nutrition & Biosciences Usa 1, Llc Improved method for the preparation of microcrystalline cellulose
EP4437007A1 (en) 2021-11-24 2024-10-02 Nutrition & Biosciences USA 1, LLC Process for producing microcrystalline cellulose with reduced nitrite salt content

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE564287A (enExample) * 1957-01-28
US3278519A (en) * 1960-05-06 1966-10-11 Fmc Corp Formed products of cellulose crystallite aggregates
US3012914A (en) * 1960-11-14 1961-12-12 American Viscose Corp Reconstituted tobacco products and method of manufacture
US3141875A (en) * 1961-03-15 1964-07-21 Fmc Corp Crystallite aggregates disintegrated in acid medium
US3146168A (en) * 1962-04-10 1964-08-25 Fmc Corp Manufacture of pharmaceutical preparations containing cellulose crystallite aggregates
SU767124A1 (ru) * 1978-07-31 1980-09-30 Сибирский технологический институт Способ определени фракционного состава целлюлозы
CA1198703A (en) * 1984-08-02 1985-12-31 Edward A. De Long Method of producing level off d p microcrystalline cellulose and glucose from lignocellulosic material
DD245823A1 (de) * 1986-01-22 1987-05-20 Zellstoff Und Papier Stammbetr Verfahren zur kontinuierlichen durchfuehrung von technologischen prozessen unter erhoehtem druck
DE3618377A1 (de) * 1986-05-31 1987-12-03 Wolff Walsrode Ag Verfahren zur herstellung von mikrokristalliner cellulose
RU1796632C (ru) * 1990-05-29 1993-02-23 Советско-Шведское Совместное Предприятие "Техноферм - Инжиниринг" Способ получени порошковой целлюлозы

Also Published As

Publication number Publication date
EP0657472A1 (de) 1995-06-14
JPH07206901A (ja) 1995-08-08
BR9404978A (pt) 1995-08-08
FI945856A0 (fi) 1994-12-13
TW267172B (enExample) 1996-01-01
US5543511A (en) 1996-08-06
CA2137890A1 (en) 1995-06-14
DE4342442A1 (de) 1995-06-14
FI107929B (fi) 2001-10-31
FI945856L (fi) 1995-06-14

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BERGFELD, MANFRED, DR., 63906 ERLENBACH, DE

8339 Ceased/non-payment of the annual fee