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BR8905958A - Processo e dispositivo para trituracao e secagem simultanea de eteres de celulose umidos e sua utilizacao - Google Patents

Processo e dispositivo para trituracao e secagem simultanea de eteres de celulose umidos e sua utilizacao

Info

Publication number
BR8905958A
BR8905958A BR898905958A BR8905958A BR8905958A BR 8905958 A BR8905958 A BR 8905958A BR 898905958 A BR898905958 A BR 898905958A BR 8905958 A BR8905958 A BR 8905958A BR 8905958 A BR8905958 A BR 8905958A
Authority
BR
Brazil
Prior art keywords
humid
crushing
cellulose ethers
simultaneous drying
simultaneous
Prior art date
Application number
BR898905958A
Other languages
English (en)
Inventor
Reinhard Doenges
Manfred Sponheimer
Guenther Welt
Manfred Ziegelmayer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6367884&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8905958(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BR8905958A publication Critical patent/BR8905958A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/002—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with rotary cutting or beating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
BR898905958A 1988-11-25 1989-11-27 Processo e dispositivo para trituracao e secagem simultanea de eteres de celulose umidos e sua utilizacao BR8905958A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3839831A DE3839831A1 (de) 1988-11-25 1988-11-25 Verfahren und vorrichtung zur produktschonenden mahlung und gleichzeitigen trocknung von feuchten celluloseethern

Publications (1)

Publication Number Publication Date
BR8905958A true BR8905958A (pt) 1990-06-19

Family

ID=6367884

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898905958A BR8905958A (pt) 1988-11-25 1989-11-27 Processo e dispositivo para trituracao e secagem simultanea de eteres de celulose umidos e sua utilizacao

Country Status (7)

Country Link
US (1) US4979681A (pt)
EP (1) EP0370447B2 (pt)
JP (1) JP2708579B2 (pt)
BR (1) BR8905958A (pt)
CA (1) CA2003771A1 (pt)
DE (2) DE3839831A1 (pt)
FI (1) FI93928C (pt)

Families Citing this family (38)

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EP0824107A3 (de) * 1996-08-12 1998-04-22 Lenzing Aktiengesellschaft Cellulosepartikel
DE19641781A1 (de) * 1996-10-10 1998-04-16 Clariant Gmbh Verfahren und Vorrichtung zum gleichzeitigen Mahlen und Trocknen eines feuchten Celluloseether enthaltenden Mahlgutes
EP0835881B2 (de) † 1996-10-14 2004-12-29 Wolff Walsrode Ag Verfahren zur Herstellung von Methylcellulose-Pulvern mit spezieller Sieblinie
DE19643472C2 (de) * 1996-10-22 2001-05-23 Suedzucker Ag Verfahren zur Konditionierung von feinvermahlenem Zucker durch Mahlraumbefeuchtung
CA2278488C (en) † 1997-01-21 2007-03-20 Wolff Walsrode Ag Process for preparing fine-particle polysaccharide derivatives
KR100497261B1 (ko) * 1997-10-09 2005-09-30 에스에 틸로제 게엠베하 운트 콤파니 카게 습기있는셀룰로오스에테르를포함하는분쇄될재료를동시에분쇄및건조하는방법및장치
DE19823563A1 (de) * 1998-05-27 1999-12-02 Altenburger Masch Gmbh Mahltrocknung von Zellulose-Derivaten, insbesondere Methl-Zellulose
FR2783725B1 (fr) * 1998-09-28 2000-12-15 Dimetal Machine pour fragmenter des blocs d'une matiere organique naturelle ou synthetique, telle que du bois
DE19854770A1 (de) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
US6872820B2 (en) * 1998-12-23 2005-03-29 Wolff Walsrode Ag Finely divided polysaccharide derivatives
JP2001190974A (ja) * 2000-01-07 2001-07-17 Masumi Kusunoki 粉体分散機用解砕フィルタ装置
DE10009409A1 (de) 2000-02-28 2001-08-30 Wolff Walsrode Ag Verfahren zur Herstellung von pulverförmigen wasserlöslichen Cellulosederivaten
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
DE10013577A1 (de) 2000-03-18 2001-09-20 Wolff Walsrode Ag Verwendung von Polysacchariden oder Polysaccharidderivaten, die nach Vergelung und Heiß-Dampf-Mahltrocknung mittels Gas- oder Wasserdampftrocknung hergestellt wurden, in Baustoffgemischen
DE10041311A1 (de) * 2000-08-23 2002-03-07 Clariant Gmbh Verfahren zur Modifizierung von Celluseethern
DE10101464C2 (de) * 2001-01-12 2003-03-06 Babcock Bsh Gmbh Anlage zur Herstellung von Puderzucker aus Kristallzucker oder invertiertem Zucker
DE10152991A1 (de) * 2001-10-26 2003-05-08 Wolff Walsrode Ag Verfahren und Vorrichtung zur Mahltrocknung
JP4581773B2 (ja) * 2004-03-31 2010-11-17 日本ゼオン株式会社 制御された水分含有量を有する吸水性重合体の製造方法
DE102004020686B3 (de) * 2004-04-28 2006-01-05 Se Tylose Gmbh & Co. Kg Verfahren und Vorrichtung zur Mahlung von Cellulose
DE602005010362D1 (de) * 2004-11-02 2008-11-27 Shinetsu Chemical Co Verfahren zur Abtrennung wasserlöslicher Celluloseether
KR101332459B1 (ko) * 2005-08-16 2013-11-25 다우 글로벌 테크놀로지스 엘엘씨 점도 및 미세도가 증가된 셀룰로스 에테르 조성물의 제조방법
EP1764373B1 (de) * 2005-09-17 2016-04-27 Dow Global Technologies LLC Verfahren zur Herstellung von Methylhydroxyalkylcellulose mit einer geringen Anzahl gefärbter Partikel
DE102006057188A1 (de) * 2006-12-05 2008-06-12 Dow Wolff Cellulosics Gmbh Celluloseether für Feststoffformulierungen
DE102007016783A1 (de) * 2007-04-05 2008-10-09 Dow Wolff Cellulosics Gmbh Methylhydroxypropylcellulose (MHPC) für mineralisch gebundene Baustoffsysteme
DE102007016726A1 (de) 2007-04-07 2008-10-09 Dow Wolff Cellulosics Gmbh Methylhydroxyethylhydroxypropylcellulose (MHEHPC) in mineralisch gebundenen Baustoffsystemen
EP2177538A1 (en) 2008-10-16 2010-04-21 Dow Global Technologies Inc. Cellulose ethers having little swelling and process for their production
WO2010064069A1 (en) * 2008-12-03 2010-06-10 Vadim Gogichev Cellulose-containing mass
CN102597068B (zh) * 2009-10-14 2014-10-01 陶氏环球技术有限责任公司 干磨多糖衍生物的方法
KR101774208B1 (ko) 2010-07-28 2017-09-04 다우 글로벌 테크놀로지스 엘엘씨 폴리삭카라이드 유도체의 건식 분쇄 방법
BR112013000233A2 (pt) * 2010-07-28 2021-05-18 Dow Global Technologies Llc método para controlar ou ajustar a liberação de um ingrediente ativo e uso de um controle de diluente em uma composição
MX336758B (es) 2010-09-22 2016-01-29 Dow Global Technologies Llc Tratamiento de polisacaridos con dialdehidos.
CN105949328A (zh) 2011-04-06 2016-09-21 陶氏环球技术有限责任公司 生产高堆积密度、良好流动性和改进的在冷水中的分散性的纤维素衍生物的方法
KR20180132952A (ko) 2011-04-06 2018-12-12 다우 글로벌 테크놀로지스 엘엘씨 높은 벌크 밀도 및 양호한 유동성의 셀룰로스 유도체를 제조하는 방법
BR112013022431B1 (pt) 2011-04-06 2019-10-08 Dow Global Technologies Llc Derivado de polissacarídeo, forma de dosagem, processo para preparar uma forma de dosagem e uso de um derivado de polissacarídeo
CN104812827B (zh) 2012-09-25 2017-03-08 陶氏环球技术有限责任公司 制备具有高堆积密度、良好流动性和/或冷水中分散性以及低溶液颜色的纤维素衍生物的方法
CN105188760A (zh) 2013-03-12 2015-12-23 赫尔克里士公司 共处理的涂覆有硅石的聚合物组合物
MX377527B (es) * 2015-10-27 2025-03-10 Shin Etsu Chemical Co Ltd Éter de celulosa porosa no iónico soluble en agua que tiene excelente solubilidad y método para producir el mismo.
CN113908965A (zh) * 2021-11-16 2022-01-11 泸州北方纤维素有限公司 乙基纤维素粉碎烘干方法及系统

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US2575380A (en) * 1949-12-08 1951-11-20 Pennsylvania Crusher Co Crusher mill
DE952264C (de) * 1952-04-06 1956-11-15 Henkel & Cie Gmbh Verfahren zur UEberfuehrung feuchter, faseriger Methylcellulosen in Pulver von hoherLoesungsgeschwindigkeit
DE1454824A1 (de) * 1965-06-15 1969-07-17 Kalle Ag Verfahren zur Herstellung von Granulaten oder Pulvern aus faserigen trockenen Celluloseaethern
FR2288553A1 (fr) * 1973-11-15 1976-05-21 Osaka Gas Co Ltd Broyeur par percussion
DE2410789C2 (de) * 1974-03-07 1980-08-07 Hoechst Ag, 6000 Frankfurt Verfahren zum Kaltmahlen von Cellulosederivaten
US4076935A (en) * 1974-12-13 1978-02-28 Hoechst Aktiengesellschaft Grinding method for cellulose
DE2556821C3 (de) * 1975-12-17 1980-07-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Feinmahlung von Cellulose oder deren Derivaten mit Äthergruppen
DE3032778A1 (de) * 1980-08-30 1982-04-22 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur kontinuierlichen homogenisierung und pelletisierung von celluloserohaethern
DE3038001A1 (de) * 1980-10-08 1982-05-06 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von mikropulvern aus celluloseether oder cellulose
DE3300197A1 (de) * 1983-01-05 1984-07-05 Alfred 6419 Eiterfeld Gerk Hammermuehle insbesondere fuer die produktion von futterschrot

Also Published As

Publication number Publication date
DE58906993D1 (de) 1994-03-24
EP0370447B1 (de) 1994-02-16
US4979681A (en) 1990-12-25
CA2003771A1 (en) 1990-05-25
FI93928C (fi) 1998-04-21
EP0370447B2 (de) 2001-08-16
JPH02194850A (ja) 1990-08-01
FI93928B (fi) 1995-03-15
FI895602A0 (fi) 1989-11-23
DE3839831A1 (de) 1990-05-31
EP0370447A1 (de) 1990-05-30
JP2708579B2 (ja) 1998-02-04

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: B02C 13/282 (2006.01), B02C 17/00 (2006.0