DE68918078D1 - Zerkleinerungsverfahren von hochvikosem Celluloseäthern. - Google Patents

Zerkleinerungsverfahren von hochvikosem Celluloseäthern.

Info

Publication number
DE68918078D1
DE68918078D1 DE68918078T DE68918078T DE68918078D1 DE 68918078 D1 DE68918078 D1 DE 68918078D1 DE 68918078 T DE68918078 T DE 68918078T DE 68918078 T DE68918078 T DE 68918078T DE 68918078 D1 DE68918078 D1 DE 68918078D1
Authority
DE
Germany
Prior art keywords
highly viscous
cellulose ethers
crushing process
viscous cellulose
crushing
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
DE68918078T
Other languages
English (en)
Other versions
DE68918078T2 (de
Inventor
Gary J Schulz
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DE68918078D1 publication Critical patent/DE68918078D1/de
Application granted granted Critical
Publication of DE68918078T2 publication Critical patent/DE68918078T2/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
    • 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
    • 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
    • C08J3/122—Pulverisation by spraying
    • 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
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE68918078T 1986-05-01 1989-02-20 Zerkleinerungsverfahren von hochvikosem Celluloseäthern. Expired - Fee Related DE68918078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85842186A 1986-05-01 1986-05-01
US07/155,399 US4820813A (en) 1986-05-01 1988-02-12 Grinding process for high viscosity cellulose ethers

Publications (2)

Publication Number Publication Date
DE68918078D1 true DE68918078D1 (de) 1994-10-13
DE68918078T2 DE68918078T2 (de) 1995-01-05

Family

ID=26852297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918078T Expired - Fee Related DE68918078T2 (de) 1986-05-01 1989-02-20 Zerkleinerungsverfahren von hochvikosem Celluloseäthern.

Country Status (3)

Country Link
US (1) US4820813A (de)
EP (1) EP0384046B1 (de)
DE (1) DE68918078T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576306A (en) * 1991-03-01 1996-11-19 Dow Chemical Company Pharmaceutical compositions and uses of water-soluble, high-viscosity grade cellulose ethers
US5721221A (en) * 1991-03-08 1998-02-24 Regents Of The University Of Minnesota Lowering blood cholesterol levels using water soluble cellulose ethers
US5281584A (en) * 1992-02-28 1994-01-25 The Dow Chemical Company Effect of particle-size distribution of cellulose ethers on palatability of compositions
EP0676416A3 (de) * 1994-04-11 1995-11-02 Hoechst Aktiengesellschaft Verfahren zum Sieben von Celluloseethern
US5488104A (en) * 1994-06-30 1996-01-30 The Dow Chemical Company Process for comminuting cellulose ethers
US5766638A (en) * 1995-12-08 1998-06-16 The Dow Chemical Company Hydroxypropyl methocellulose ether compositions for reduction of serum lipid levels
EP0835881B2 (de) * 1996-10-14 2004-12-29 Wolff Walsrode Ag Verfahren zur Herstellung von Methylcellulose-Pulvern mit spezieller Sieblinie
BR9807498A (pt) 1997-01-21 2000-03-21 Wolff Walsrode Ag Processo para a preparação de derivados de polissacarìdeos divididos finamente
KR100497261B1 (ko) * 1997-10-09 2005-09-30 에스에 틸로제 게엠베하 운트 콤파니 카게 습기있는셀룰로오스에테르를포함하는분쇄될재료를동시에분쇄및건조하는방법및장치
US6872820B2 (en) * 1998-12-23 2005-03-29 Wolff Walsrode Ag Finely divided polysaccharide derivatives
US6731357B1 (en) * 1999-01-27 2004-05-04 Konica Corporation Cellulose ester film, production method of the same, film employed in liquid crystal display member, and polarizing plate
US6686464B1 (en) 1999-04-26 2004-02-03 Bki Holding Corporation Cellulose ethers and method of preparing the same
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
EP1180532A1 (de) * 2000-08-18 2002-02-20 Shin-Etsu Chemical Co., Ltd. Haustierauswurf absorbierendes körniges Material und zu diesem Zweck verwendete Celluloseether
CN1312184C (zh) 2000-11-01 2007-04-25 Bki控股公司 纤维素醚及其制备方法
KR100525252B1 (ko) * 2003-12-16 2005-10-31 삼성정밀화학 주식회사 미세화된 셀룰로오스에테르의 제조방법
US8324377B2 (en) * 2004-11-02 2012-12-04 Shin-Etsu Chemical Co., Ltd. Method of separating water-soluble cellulose ether
CA2617393A1 (en) * 2005-08-16 2007-02-22 Dow Wolff Cellulosics Gmbh Method for producing cellulose ether products with increased viscosity and fineness
WO2007056070A2 (en) * 2005-11-04 2007-05-18 Hercules Incorporated Ether derivatives of raw cotton linters for water-borne coatings
DE102006057188A1 (de) * 2006-12-05 2008-06-12 Dow Wolff Cellulosics Gmbh Celluloseether für Feststoffformulierungen
JP5514734B2 (ja) * 2008-11-26 2014-06-04 日本製紙株式会社 非水電解質二次電池の電極用カルボキシメチルセルロースまたはその塩、及びその水溶液
ES2560455T3 (es) 2009-03-30 2016-02-19 Omya International Ag Procedimiento para la producción de suspensiones de celulosa nanofibrilar
PL2805986T3 (pl) 2009-03-30 2018-02-28 Fiberlean Tech Limited Sposób wytwarzania nanofibrylarnych żeli celulozowych
GB0908401D0 (en) 2009-05-15 2009-06-24 Imerys Minerals Ltd Paper filler composition
BR112012007917A2 (pt) * 2009-10-14 2019-09-24 Dow Global Technologies Inc processo para produzir um derivado de polissacarídeo particulado por moagem a seco de um derivado de polissacarídeo úmido
PT2386683E (pt) 2010-04-27 2014-05-27 Omya Int Ag Processo para a produção de materiais compósitos à base de gel
SI2386682T1 (sl) 2010-04-27 2014-07-31 Omya International Ag Postopek za izdelavo strukturiranih materialov z uporabo nanofibriliranih celuloznih gelov
JP5594548B2 (ja) 2010-08-25 2014-09-24 トヨタ自動車株式会社 電池用電極の製造方法
GB201019288D0 (en) 2010-11-15 2010-12-29 Imerys Minerals Ltd Compositions
BR112013022837A2 (pt) * 2011-04-06 2016-12-06 Dow Global Technologies Llc processo para redução da quantidade de fibras insolúveis em água em um derivado de celulose solúvel em água
WO2012138532A2 (en) * 2011-04-06 2012-10-11 Dow Global Technologies Llc Process for producing cellulose derivatives of high bulk density and good flowability
BR112018007115B1 (pt) 2015-10-14 2022-06-14 Fiberlean Technologies Limited Materail em chapa conformável em 3d, processos de preparação de um artigo conformado em 3d, seus usos e artigo conformado em 3d
CN108350594B (zh) 2015-11-05 2020-09-11 托普克莱姆系统公司 用于电化学施加表面涂层的方法和装置
US11846072B2 (en) 2016-04-05 2023-12-19 Fiberlean Technologies Limited Process of making paper and paperboard products
ES2857512T3 (es) 2016-04-05 2021-09-29 Fiberlean Tech Ltd Productos de papel y cartón
BR112018070846B1 (pt) 2016-04-22 2023-04-11 Fiberlean Technologies Limited Fibras compreendendo celulose microfibrilada e métodos de fabricação de fibras e materiais não tecidos a partir das mesmas

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2176678A (en) * 1937-04-17 1939-10-17 Kalle & Co Ag Method of treating cellulose ethers
US2814619A (en) * 1955-01-03 1957-11-26 Atlantic Res Corp Processing cellulose ethers
US2814620A (en) * 1955-02-24 1957-11-26 Atlantic Res Corp Cellulose ether processing
US3914384A (en) * 1974-08-28 1975-10-21 Dresser Ind Production of montmorillonite material having good environmental and ecological properties
JPS5163927A (en) * 1974-11-28 1976-06-02 Shinetsu Chemical Co Ketsugoseiryokonajozaihokaizaino seizohoho
US4076935A (en) * 1974-12-13 1978-02-28 Hoechst Aktiengesellschaft Grinding method for cellulose
DE3038001A1 (de) * 1980-10-08 1982-05-06 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von mikropulvern aus celluloseether oder cellulose
US4329451A (en) * 1980-11-03 1982-05-11 The Dow Chemical Company Preparing an aqueous dispersion of colloidal size particles of a water-insoluble polysaccharide derivative
US4581446A (en) * 1985-03-15 1986-04-08 The Dow Chemical Company Purification of cellulose ethers

Also Published As

Publication number Publication date
DE68918078T2 (de) 1995-01-05
EP0384046A1 (de) 1990-08-29
EP0384046B1 (de) 1994-09-07
US4820813A (en) 1989-04-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee