FI109909B - Menetelmä pienimolekyylisten polysakkaridieetterien valmistamiseksi - Google Patents

Menetelmä pienimolekyylisten polysakkaridieetterien valmistamiseksi Download PDF

Info

Publication number
FI109909B
FI109909B FI951572A FI951572A FI109909B FI 109909 B FI109909 B FI 109909B FI 951572 A FI951572 A FI 951572A FI 951572 A FI951572 A FI 951572A FI 109909 B FI109909 B FI 109909B
Authority
FI
Finland
Prior art keywords
perborate
ethers
process according
molecular weight
ether
Prior art date
Application number
FI951572A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI951572A (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 FI951572A publication Critical patent/FI951572A/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
    • 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
    • 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

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
DE4411681A DE4411681A1 (de) 1994-04-05 1994-04-05 Verfahren zur Herstellung niedermolekularer Polysaccharidether
DE4411681 1994-04-05

Publications (3)

Publication Number Publication Date
FI951572A0 FI951572A0 (fi) 1995-04-03
FI951572A FI951572A (fi) 1995-10-06
FI109909B true 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 (fr)
EP (1) EP0676415B1 (fr)
JP (1) JPH0841101A (fr)
KR (1) KR950032261A (fr)
CA (1) CA2146074A1 (fr)
DE (2) DE4411681A1 (fr)
FI (1) FI109909B (fr)

Families Citing this family (39)

* 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
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
DE19849442A1 (de) * 1998-10-27 2000-05-04 Clariant Gmbh Sulfoalkylgruppenhaltige hydrophob modifizierte Celluloseether, Verfahren zu deren Herstellung sowie deren Verwendung in Dispersionsfarben
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
EP1417240A1 (fr) * 2001-06-11 2004-05-12 Rhodia, Inc. Compositions de galactomannane et procedes de fabrication et d'utilisation correspondants
US7001872B2 (en) * 2001-06-11 2006-02-21 Halliburton Energy Services, Inc. Subterranean formation treating fluid and methods of fracturing subterranean formations
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
CA2492098A1 (fr) * 2002-07-10 2004-01-22 Akzo Nobel Nv Depolymerisation de polysaccharides solubles dans l'eau
WO2004011501A1 (fr) * 2002-07-26 2004-02-05 Fmc Corporation Production de cellulose microcristalline
US6971448B2 (en) 2003-02-26 2005-12-06 Halliburton Energy Services, Inc. Methods and compositions for sealing subterranean zones
US8865432B2 (en) 2004-02-26 2014-10-21 Shin-Etsu Chemical Co., Ltd. Method for preparing cellulose derivatives having solubility improved
WO2007023513A1 (fr) * 2005-08-22 2007-03-01 Shin-Etsu Chemical Co., Ltd. Procédé servant à produire un dérivé de cellulose ayant une meilleure solubilité
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
KR101404282B1 (ko) * 2006-06-14 2014-06-05 다우 글로벌 테크놀로지스 엘엘씨 셀룰로오스 에테르의 평균 분자량 감소 방법
US8357220B2 (en) * 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
US8828914B2 (en) * 2009-02-12 2014-09-09 Rhodia Operations 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
PT2505614E (pt) 2011-04-01 2014-01-30 Omya Int Ag Processo para a preparação de partículas de pigmentos autoligantes
ES2487639T3 (es) * 2011-04-01 2014-08-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
DK2565236T3 (en) * 2011-08-31 2014-03-17 Omya Int Ag Self-binding pigment hybrid
EP2565237B1 (fr) * 2011-08-31 2015-03-18 Omya International AG Procédé pour la préparation de suspensions de particules de pigments autoliants
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
US20150027648A1 (en) * 2012-03-14 2015-01-29 Nippon Paper Industries Co., Ltd., Method for producing anion-modified cellulose nanofiber dispersion
RS53929B1 (en) * 2012-05-11 2015-08-31 Omya International Ag SUSTAINABLE ADSORPTIVE POLYMERS
SI2662419T1 (sl) 2012-05-11 2015-09-30 Omya International Ag Polnilno krmiljena phch
SI2662416T1 (sl) 2012-05-11 2015-10-30 Omya International Ag Obdelava kalcijev karbonat vsebujočih snovi za povečanje nalaganja polnila v papirju
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
EP2868716B1 (fr) 2013-11-04 2017-01-04 Omya International AG Procédé de production d'une suspension de pigment à haute teneur en solides comprenant un dispersant à base de carboxymethylcellulose
SI3018175T1 (sl) 2014-11-07 2019-05-31 Omya International Ag Postopek za pripravo flokulirnih polnilnih delcev
TR201808701T4 (tr) 2014-11-07 2018-07-23 Omya Int Ag Yumaklaşmış dolgu maddesi parçacıklarının hazırlanması için bir işlem.
EP3118161B1 (fr) 2015-07-17 2018-05-16 Omya International AG Pcc à haute teneur en solides à base de cellulose carboxylée dépolymérisée

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
FR1448567A (fr) * 1964-09-30 1966-08-05 Du Pont Production d'un sel de métal alcalin de carboxyméthylcellulose
US3394127A (en) * 1964-09-30 1968-07-23 Du Pont Densification of carboxymethyl cellulose
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
KR920703439A (ko) * 1989-08-19 1992-12-17 원본미기재 과 붕산염 일수화물의 과립화 방법
CA2046089C (fr) * 1990-07-02 2003-12-30 J. David Angerer Polysaccharides a faible viscosite et a haute teneur en solides

Also Published As

Publication number Publication date
FI951572A (fi) 1995-10-06
EP0676415B1 (fr) 1999-06-02
JPH0841101A (ja) 1996-02-13
DE4411681A1 (de) 1995-10-12
DE59506068D1 (de) 1999-07-08
EP0676415A2 (fr) 1995-10-11
EP0676415A3 (fr) 1995-10-18
CA2146074A1 (fr) 1995-10-06
KR950032261A (ko) 1995-12-20
US5708162A (en) 1998-01-13
FI951572A0 (fi) 1995-04-03

Similar Documents

Publication Publication Date Title
FI109909B (fi) Menetelmä pienimolekyylisten polysakkaridieetterien valmistamiseksi
US5480984A (en) Process of preparing high solids low viscosity polysaccharides
CN101466739B (zh) 降低纤维素醚的平均分子量的方法
NO157229B (no) Boreverktoey for fremstilling av krumme partier i borehull.
JP4468579B2 (ja) 改質セルロースエーテルを含む洗浄剤組成物
JPH0655763B2 (ja) 混合セルロ−スエ−テルの製法
KR20010080592A (ko) 저점도의 수용성 셀룰로오스 에테르의 제조 방법
US2744894A (en) Hydroxyalkylation of polysaccharides
JP4597121B2 (ja) ノニオン性セルロースエーテル及びその使用
JPH0647602B2 (ja) セルロ−スおよびエ−テル化剤からセルロ−スエ−テルを製造する方法
KR20200140196A (ko) 분말상 펄프 및 이것을 사용한 셀룰로오스에테르의 제조 방법
ZA200501167B (en) Depolymerization of water soluble polysaccharides
JP5681330B2 (ja) セルロースエーテルからアルキレンハロゲノヒドリンを除去する方法
US4429120A (en) Ethylhydroxyalkylmethylcellulose ethers
CN113501971B (zh) 一种低聚合度水溶性纤维素醚制造方法
AU747262C (en) Modified cellulose ethers