MXPA02002357A - Eteres de celulosa de baja viscosidad que floculan en agua caliente, metodo para la produccion de los mismos y su uso. - Google Patents

Eteres de celulosa de baja viscosidad que floculan en agua caliente, metodo para la produccion de los mismos y su uso.

Info

Publication number
MXPA02002357A
MXPA02002357A MXPA02002357A MXPA02002357A MXPA02002357A MX PA02002357 A MXPA02002357 A MX PA02002357A MX PA02002357 A MXPA02002357 A MX PA02002357A MX PA02002357 A MXPA02002357 A MX PA02002357A MX PA02002357 A MXPA02002357 A MX PA02002357A
Authority
MX
Mexico
Prior art keywords
further characterized
cellulose ether
water
viscosity
process according
Prior art date
Application number
MXPA02002357A
Other languages
English (en)
Spanish (es)
Inventor
Alf Hammes
Original Assignee
Clariant Gmbh
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 Clariant Gmbh filed Critical Clariant Gmbh
Publication of MXPA02002357A publication Critical patent/MXPA02002357A/es

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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/26—Cellulose ethers
    • C09D101/28—Alkyl ethers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/125—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives containing carbohydrate syrups; containing sugars; containing sugar alcohols; containing starch hydrolysates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • 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
    • C08B11/02—Alkyl or cycloalkyl ethers
    • 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
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals 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
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/26—Cellulose ethers
    • C09D101/28—Alkyl ethers
    • C09D101/284—Alkyl ethers with hydroxylated hydrocarbon radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
MXPA02002357A 1999-09-03 2000-09-01 Eteres de celulosa de baja viscosidad que floculan en agua caliente, metodo para la produccion de los mismos y su uso. MXPA02002357A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941893A DE19941893A1 (de) 1999-09-03 1999-09-03 Niederviskose, heisswasser-flockbare Celluloseether, Verfahren zu deren Herstellung durch Depolymerisation sowie deren Verwendung
PCT/EP2000/008538 WO2001018062A1 (de) 1999-09-03 2000-09-01 Niederviskose, heisswasser-flockbare celluloseether, verfahren zu deren herstellung durch depolymerisation sowie deren verwendung

Publications (1)

Publication Number Publication Date
MXPA02002357A true MXPA02002357A (es) 2002-08-20

Family

ID=7920586

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02002357A MXPA02002357A (es) 1999-09-03 2000-09-01 Eteres de celulosa de baja viscosidad que floculan en agua caliente, metodo para la produccion de los mismos y su uso.

Country Status (6)

Country Link
EP (1) EP1237931A1 (de)
JP (1) JP2003508597A (de)
KR (1) KR20020033784A (de)
DE (1) DE19941893A1 (de)
MX (1) MXPA02002357A (de)
WO (1) WO2001018062A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117208A1 (de) * 2001-04-06 2002-10-10 Wolff Walsrode Ag Verfahren zur Herstellung von niederviskosen, wässrigen Celluloseetherlösungen
DE10141680B4 (de) * 2001-08-25 2004-02-26 Clariant Gmbh Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern
US8865432B2 (en) 2004-02-26 2014-10-21 Shin-Etsu Chemical Co., Ltd. Method for preparing cellulose derivatives having solubility improved
CN101001881A (zh) * 2005-08-22 2007-07-18 信越化学工业株式会社 溶解度提高的纤维素衍生物的制造方法
ATE519785T1 (de) 2006-06-14 2011-08-15 Dow Global Technologies Llc Verfahren zur verringerung des mittleren molekulargewichts von celluloseethern
CN102807791B (zh) * 2007-11-09 2014-10-15 联合碳化化学品及塑料技术公司 制备非常低粘度的纤维素醚的方法和产品
KR101971738B1 (ko) * 2012-12-11 2019-04-23 롯데정밀화학 주식회사 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법
US9926385B2 (en) 2013-08-12 2018-03-27 Shin-Etsu Chemical Co., Ltd. Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same
WO2015105030A1 (ja) * 2014-01-10 2015-07-16 三菱瓦斯化学株式会社 セルロースの製造方法
CN107074979B (zh) * 2014-10-31 2019-07-19 陶氏环球技术有限责任公司 用于产生乙酸纤维素醚丁二酸酯的方法
BR112017008389A2 (pt) * 2014-10-31 2018-02-20 Dow Global Technologies Llc processo para preparar um éster de um éter de celulose
DE102017223690A1 (de) 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidativer Abbau von Celluloseethern
JP7414685B2 (ja) 2020-10-22 2024-01-16 信越化学工業株式会社 解重合されたセルロースエーテルの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB342391A (en) * 1929-04-15 1931-02-05 Wacker Chemie Gmbh A process for diminishing the viscosity of highly viscous cellulose ethers
US1943461A (en) * 1930-04-16 1934-01-16 Ici Ltd Cellulose ether and method of making same
JPS4841037B1 (de) * 1964-10-26 1973-12-04
US4061859A (en) * 1976-06-14 1977-12-06 The Dow Chemical Company Viscosity reduction of cellulose derivatives
FI895708A0 (fi) * 1989-02-10 1989-11-29 Alko Ab Oy Vattenloeslig soenderdelningsprodukt.
WO1992003167A1 (fr) * 1990-08-24 1992-03-05 Shin-Etsu Chemical Co., Ltd. Base d'enrobage pour film pharmaceutique et sa fabrication
US5500124A (en) * 1991-12-06 1996-03-19 Hoechst Ag Process for the purifying working-up of reaction media and/or wash media obtained during preparation of cellulose ethers
DE4434280C2 (de) * 1994-09-26 1998-09-10 Clariant Gmbh Verfahren zur Herstellung von niedermolekularen Celluloseethern und ihre Verwendung als Überzugsmaterial für feste Dosiereinheiten
US6261218B1 (en) * 1998-12-01 2001-07-17 The Dow Chemical Company Process and apparatus for making low molecular weight cellulose ethers

Also Published As

Publication number Publication date
EP1237931A1 (de) 2002-09-11
KR20020033784A (ko) 2002-05-07
WO2001018062A1 (de) 2001-03-15
DE19941893A1 (de) 2001-03-08
JP2003508597A (ja) 2003-03-04

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