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FI951572L - Menetelmä pienmolekyylisten polysakkaridieetterien valmistamiseksi - Google Patents

Menetelmä pienmolekyylisten polysakkaridieetterien valmistamiseksi Download PDF

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Publication number
FI951572L
FI951572L FI951572A FI951572A FI951572L FI 951572 L FI951572 L FI 951572L FI 951572 A FI951572 A FI 951572A FI 951572 A FI951572 A FI 951572A FI 951572 L FI951572 L FI 951572L
Authority
FI
Finland
Prior art keywords
molecular weight
low molecular
preparing low
weight polysaccharide
polysaccharide ethers
Prior art date
Application number
FI951572A
Other languages
English (en)
Swedish (sv)
Other versions
FI109909B (fi
FI951572A0 (fi
Inventor
Josef Hilbig
Reinhard Doenges
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of FI951572A0 publication Critical patent/FI951572A0/fi
Publication of FI951572L publication Critical patent/FI951572L/fi
Application granted granted Critical
Publication of FI109909B publication Critical patent/FI109909B/fi

Links

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
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/08—Ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI951572A 1994-04-05 1995-04-03 Menetelmä pienimolekyylisten polysakkaridieetterien valmistamiseksi FI109909B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4411681 1994-04-05
DE4411681A DE4411681A1 (de) 1994-04-05 1994-04-05 Verfahren zur Herstellung niedermolekularer Polysaccharidether

Publications (3)

Publication Number Publication Date
FI951572A0 FI951572A0 (fi) 1995-04-03
FI951572L true FI951572L (fi) 1995-10-06
FI109909B FI109909B (fi) 2002-10-31

Family

ID=6514650

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951572A FI109909B (fi) 1994-04-05 1995-04-03 Menetelmä pienimolekyylisten polysakkaridieetterien valmistamiseksi

Country Status (7)

Country Link
US (1) US5708162A (fi)
EP (1) EP0676415B1 (fi)
JP (1) JPH0841101A (fi)
KR (1) KR950032261A (fi)
CA (1) CA2146074A1 (fi)
DE (2) DE4411681A1 (fi)
FI (1) FI109909B (fi)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314840B (en) * 1996-06-28 2000-09-06 Johnson & Johnson Medical Oxidized oligosaccharides and pharmaceutical compositions
DE19849442A1 (de) 1998-10-27 2000-05-04 Clariant Gmbh Sulfoalkylgruppenhaltige hydrophob modifizierte Celluloseether, Verfahren zu deren Herstellung sowie deren Verwendung in Dispersionsfarben
DE19849441A1 (de) 1998-10-27 2000-05-04 Clariant Gmbh Sulfoalkylgruppenhaltige hydrophob modifizierte Celluloseether, Verfahren zu deren Herstellung sowie deren Verwndung als Schutzkolloide bei Polymerisationen
DE19854770A1 (de) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
AU6830400A (en) * 1999-07-28 2001-02-13 Rhodia Acetow Gmbh Method for carrying out the targeted depolymerization of polysaccharides
US7001872B2 (en) * 2001-06-11 2006-02-21 Halliburton Energy Services, Inc. Subterranean formation treating fluid and methods of fracturing subterranean formations
US6884884B2 (en) 2001-06-11 2005-04-26 Rhodia, Inc. Galactomannan compositions and methods for making and using same
US6488091B1 (en) 2001-06-11 2002-12-03 Halliburton Energy Services, Inc. Subterranean formation treating fluid concentrates, treating fluids and methods
US20050137094A1 (en) * 2001-06-11 2005-06-23 Halliburton Energy Sevices, Inc. Subterranean formation treatment fluids and methods of using such fluids
DE10136450A1 (de) * 2001-07-26 2003-02-06 Wolff Walsrode Ag Hydrokolloidzusammensetzung sowie diese enthaltende dispersionsgebundene Baustoffformulierungen und Dispersionsfarben
DE10141680B4 (de) * 2001-08-25 2004-02-26 Clariant Gmbh Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern
WO2004007559A1 (en) * 2002-07-10 2004-01-22 Akzo Nobel N.V. Depolymerization of water soluble polysaccharides
RU2343160C2 (ru) * 2002-07-26 2009-01-10 Фмк Корпорейшн Получение микрокристаллической целлюлозы
US6971448B2 (en) 2003-02-26 2005-12-06 Halliburton Energy Services, Inc. Methods and compositions for sealing subterranean zones
WO2007023513A1 (ja) * 2005-08-22 2007-03-01 Shin-Etsu Chemical Co., Ltd. 溶解性の改善されたセルロース誘導体の製造製法
US8865432B2 (en) 2004-02-26 2014-10-21 Shin-Etsu Chemical Co., Ltd. Method for preparing cellulose derivatives having solubility improved
ITTO20050180A1 (it) * 2005-03-18 2006-09-19 Patents Expl Company B V Procedimento enzimatico per l'ottenimento di gomma vegetale degradata
DE102006013786A1 (de) * 2006-03-24 2007-09-27 Wolff Cellulosics Gmbh & Co. Kg Methylstärkeether in mineralischen Baustoffen
MX2008015896A (es) * 2006-06-14 2009-01-12 Dow Global Technologies Inc Proceso para reducir el peso molecular promedio de eteres de celulosa.
US8357220B2 (en) * 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
EP2396170B1 (en) * 2009-02-12 2015-03-25 Rhodia Opérations Methods for controlling depolymerization of polymer compositions
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
ITVA20110009A1 (it) 2011-03-25 2012-09-26 Lamberti Spa Composizione cosmetica per la pelle
ES2487639T3 (es) * 2011-04-01 2014-08-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
DK2505614T3 (da) * 2011-04-01 2014-01-27 Omya Int Ag Fremgangsmåde til fremstilling af selvbindende pigmentpartikler
ES2456369T3 (es) 2011-08-31 2014-04-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
EP2565237B1 (en) * 2011-08-31 2015-03-18 Omya International AG Process for preparing self-binding pigment particle suspensions
ITVA20110028A1 (it) 2011-10-03 2013-04-04 Lamberti Spa Depolimerizzazione di polisaccaridi e prodotti correlati
JP5889012B2 (ja) * 2012-02-01 2016-03-22 花王株式会社 カルボキシメチルセルロースの製造方法
EP2826792B1 (en) * 2012-03-14 2022-01-05 Nippon Paper Industries Co., Ltd. Method for producing anion-modified cellulose nanofiber dispersion
PT2662419E (pt) 2012-05-11 2015-10-07 Omya Int Ag Processo para preparar partículas de pigmento autoligantes, suspensão de partículas de pigmento autoligantes, uso de uma suspensão de partículas de pigmento autoligantes, e, produto de papel
SI2662418T1 (sl) 2012-05-11 2015-05-29 Omya International Ag Stabilni sprejemljivi polimeri
PT2662416E (pt) 2012-05-11 2015-10-09 Omya Int Ag Tratamento de materiais contento carbonato de cálcio para aumentar a carga de enchimento no papel
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
JP2015086349A (ja) * 2013-11-01 2015-05-07 株式会社ダイセル 増粘剤
PL2868716T3 (pl) * 2013-11-04 2017-08-31 Omya International Ag Sposób wytwarzania zawiesiny pigmentu o wysokiej zawartości części stałych zawierającej środek dyspergujący na bazie karboksymetylocelulozy
SI3018175T1 (sl) 2014-11-07 2019-05-31 Omya International Ag Postopek za pripravo flokulirnih polnilnih delcev
ES2672735T3 (es) 2014-11-07 2018-06-15 Omya International Ag Un proceso para la preparación de partículas de carga floculadas
PL3118161T3 (pl) 2015-07-17 2018-10-31 Omya International Ag Pcc o dużej zawartości części stałych z depolimeryzowaną karboksylowaną celulozą
EP4678702A1 (en) 2024-07-10 2026-01-14 Lamberti SPA Architectural coating compositions
CN120574337B (zh) * 2025-08-07 2025-10-24 山东光大赛路新材料科技有限公司 一种羧甲基纤维素钠的低成本制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749336A (en) * 1952-04-02 1956-06-05 Hercules Powder Co Ltd Process for producing cellulose derivatives
US3394127A (en) * 1964-09-30 1968-07-23 Du Pont Densification of carboxymethyl cellulose
FR1448567A (fr) * 1964-09-30 1966-08-05 Du Pont Production d'un sel de métal alcalin de carboxyméthylcellulose
DE1543116A1 (de) * 1965-05-29 1969-07-31 Kalle Ag Verfahren zur Herstellung niedrigviskoser wasserloeslicher Celluloseaether
US3664961A (en) * 1970-03-31 1972-05-23 Procter & Gamble Enzyme detergent composition containing coagglomerated perborate bleaching agent
US3808195A (en) * 1972-04-14 1974-04-30 Gen Mills Chem Inc Process for preparing dispersible polygalactomannan gum and derivatives
US4048433A (en) * 1976-02-02 1977-09-13 The Procter & Gamble Company Cellulose ethers having a low molecular weight and a high degree of methyl substitution
SE422818B (sv) * 1978-03-31 1982-03-29 Modo Chemetrics Ab Forfarande for foredling av allulosamassa genom blekning eller extrahering
DE2911857A1 (de) * 1979-03-26 1980-10-16 Henkel Kgaa Appretierend wirkendes textilwaschmittel
DE3016561C2 (de) * 1980-04-29 1982-04-01 Diamalt AG, 8000 München Schlichtemittel und Verfahren zu seiner Herstellung
US4510306A (en) * 1981-12-04 1985-04-09 Basf Wyandotte Corporation Method for purifying reaction products containing higher-alkyl glycosides
US4552674A (en) * 1983-08-19 1985-11-12 Fmc Corporation Composition and method for treating a subterranean formation
JPS6140303A (ja) * 1984-07-31 1986-02-26 Fuji Boseki Kk 低分子化キトサンの製造方法
US4814039A (en) * 1987-10-02 1989-03-21 H. B. Fuller Company Substantially viscosity stable moisture-resistant corrugated board adhesive
WO1991002696A1 (de) * 1989-08-19 1991-03-07 Henkel Kommanditgesellschaft Auf Aktien Verfahren zur granulierung von perboratmonohydrat
ATE167488T1 (de) * 1990-07-02 1998-07-15 Aqualon Co Niedrigviskose-polysaccharidzusammensetzung mit hohem festkörpergehalt

Also Published As

Publication number Publication date
DE4411681A1 (de) 1995-10-12
FI109909B (fi) 2002-10-31
JPH0841101A (ja) 1996-02-13
KR950032261A (ko) 1995-12-20
FI951572A0 (fi) 1995-04-03
DE59506068D1 (de) 1999-07-08
CA2146074A1 (en) 1995-10-06
EP0676415B1 (de) 1999-06-02
US5708162A (en) 1998-01-13
EP0676415A2 (de) 1995-10-11
EP0676415A3 (de) 1995-10-18

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