DE19854770A1 - Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether - Google Patents

Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether

Info

Publication number
DE19854770A1
DE19854770A1 DE19854770A DE19854770A DE19854770A1 DE 19854770 A1 DE19854770 A1 DE 19854770A1 DE 19854770 A DE19854770 A DE 19854770A DE 19854770 A DE19854770 A DE 19854770A DE 19854770 A1 DE19854770 A1 DE 19854770A1
Authority
DE
Germany
Prior art keywords
cellulose
hydrogen peroxide
viscosity
water
weight
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.)
Withdrawn
Application number
DE19854770A
Other languages
German (de)
English (en)
Inventor
Hartwig Schlesinger
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 Produktions und Vertriebs GmbH and Co OHG
Original Assignee
Wolff Walsrode 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=7889225&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19854770(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wolff Walsrode AG filed Critical Wolff Walsrode AG
Priority to DE19854770A priority Critical patent/DE19854770A1/de
Priority to CNB998137154A priority patent/CN1269841C/zh
Priority to AU15061/00A priority patent/AU1506100A/en
Priority to US09/856,545 priority patent/US6939961B1/en
Priority to DE59912164T priority patent/DE59912164D1/de
Priority to TR2001/01448T priority patent/TR200101448T2/xx
Priority to DK99957311T priority patent/DK1153040T3/da
Priority to CA002352186A priority patent/CA2352186C/en
Priority to PCT/EP1999/008779 priority patent/WO2000032636A1/de
Priority to JP2000585276A priority patent/JP2002531593A/ja
Priority to BR9915690-3A priority patent/BR9915690A/pt
Priority to UA2001064446A priority patent/UA73294C2/uk
Priority to PL99349790A priority patent/PL349790A1/xx
Priority to ES99957311T priority patent/ES2242432T3/es
Priority to AT99957311T priority patent/ATE297411T1/de
Priority to EP99957311A priority patent/EP1153040B1/de
Priority to KR1020017006602A priority patent/KR20010080592A/ko
Priority to HK02105446.7A priority patent/HK1044005B/zh
Publication of DE19854770A1 publication Critical patent/DE19854770A1/de
Priority to NO20012577A priority patent/NO20012577D0/no
Withdrawn legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19854770A 1998-11-27 1998-11-27 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether Withdrawn DE19854770A1 (de)

Priority Applications (19)

Application Number Priority Date Filing Date Title
DE19854770A DE19854770A1 (de) 1998-11-27 1998-11-27 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
HK02105446.7A HK1044005B (zh) 1998-11-27 1999-11-15 制备低粘性水溶性的纤维素醚的方法
PCT/EP1999/008779 WO2000032636A1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether
BR9915690-3A BR9915690A (pt) 1998-11-27 1999-11-15 Processo para a preparação de éteres decelulose hidrossolúveis de baixa viscosidade
US09/856,545 US6939961B1 (en) 1998-11-27 1999-11-15 Method for the production of low-viscous water soluble cellulose ethers
DE59912164T DE59912164D1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether
TR2001/01448T TR200101448T2 (tr) 1998-11-27 1999-11-15 Düşük viskoziteli, suda çözünür selüloz eterlerinin üretilmesi için bir işlem
DK99957311T DK1153040T3 (da) 1998-11-27 1999-11-15 Fremgangsmåde til fremstilling af vandoplöselige celluloseethere med lav viskositet
CA002352186A CA2352186C (en) 1998-11-27 1999-11-15 Method for the production of low-viscous water-soluble cellulose ethers
CNB998137154A CN1269841C (zh) 1998-11-27 1999-11-15 制备低粘性水溶性的纤维素醚的方法
JP2000585276A JP2002531593A (ja) 1998-11-27 1999-11-15 低粘度の水溶性セルロースエーテルを製造する方法
AU15061/00A AU1506100A (en) 1998-11-27 1999-11-15 Method for the production of low-viscous water-soluble cellulose ethers
UA2001064446A UA73294C2 (en) 1998-11-27 1999-11-15 A method for producing low-viscuous water-soluble cellulose ether
PL99349790A PL349790A1 (en) 1998-11-27 1999-11-15 Method for the production of low-viscous water-soluble cellulose ethers
ES99957311T ES2242432T3 (es) 1998-11-27 1999-11-15 Procedimiento para la obtencion de eteres de celulosa solubles en agua, de baja viscosidad.
AT99957311T ATE297411T1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether
EP99957311A EP1153040B1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether
KR1020017006602A KR20010080592A (ko) 1998-11-27 1999-11-15 저점도의 수용성 셀룰로오스 에테르의 제조 방법
NO20012577A NO20012577D0 (no) 1998-11-27 2001-05-25 Fremgangsmåte for fremstilling av lavvisköse vannopplöselige celluloseetere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19854770A DE19854770A1 (de) 1998-11-27 1998-11-27 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether

Publications (1)

Publication Number Publication Date
DE19854770A1 true DE19854770A1 (de) 2000-05-31

Family

ID=7889225

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19854770A Withdrawn DE19854770A1 (de) 1998-11-27 1998-11-27 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
DE59912164T Revoked DE59912164D1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59912164T Revoked DE59912164D1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether

Country Status (17)

Country Link
US (1) US6939961B1 (enExample)
EP (1) EP1153040B1 (enExample)
JP (1) JP2002531593A (enExample)
KR (1) KR20010080592A (enExample)
CN (1) CN1269841C (enExample)
AT (1) ATE297411T1 (enExample)
AU (1) AU1506100A (enExample)
BR (1) BR9915690A (enExample)
CA (1) CA2352186C (enExample)
DE (2) DE19854770A1 (enExample)
ES (1) ES2242432T3 (enExample)
HK (1) HK1044005B (enExample)
NO (1) NO20012577D0 (enExample)
PL (1) PL349790A1 (enExample)
TR (1) TR200101448T2 (enExample)
UA (1) UA73294C2 (enExample)
WO (1) WO2000032636A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004007559A1 (en) * 2002-07-10 2004-01-22 Akzo Nobel N.V. Depolymerization of water soluble polysaccharides
CN104558203A (zh) * 2015-01-22 2015-04-29 湖州展望药业股份有限公司 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品
WO2019122104A1 (de) * 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidativer abbau von celluloseethern
CN115572107A (zh) * 2022-11-11 2023-01-06 亚士创能新材料(滁州)有限公司 耐温变施工的真石漆及其制备方法、应用

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3905833B2 (ja) * 2002-12-27 2007-04-18 伊那食品工業株式会社 増粘用添加物
CN102276732B (zh) 2003-11-28 2016-01-20 伊士曼化工公司 纤维素共聚体和氧化方法
JP5596552B2 (ja) * 2007-11-09 2014-09-24 ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー 極低粘度セルロースエーテルの製造方法および製品
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
US8778136B2 (en) 2009-05-28 2014-07-15 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
ES2487639T3 (es) * 2011-04-01 2014-08-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
PL2662418T3 (pl) 2012-05-11 2015-07-31 Omya Int Ag Polimery o przedłużonej chłonności
KR101971738B1 (ko) 2012-12-11 2019-04-23 롯데정밀화학 주식회사 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법
KR102033179B1 (ko) * 2012-12-28 2019-10-16 롯데정밀화학 주식회사 스킴코트 모르타르용 첨가제 및 이를 포함하는 스킴코트 모르타르 조성물
KR101586136B1 (ko) * 2013-01-09 2016-01-15 신에쓰 가가꾸 고교 가부시끼가이샤 저중합도 셀룰로오스에테르의 제조 방법 및 이에 따라 제조된 셀룰로오스에테르
MX372579B (es) 2013-03-15 2020-04-17 Gp Cellulose Gmbh Una fibra kraft de baja viscosidad que tiene un contenido de carboxilo mejorado, y metodos para fabricar y usar la misma
KR102373750B1 (ko) * 2016-10-06 2022-03-15 신에쓰 가가꾸 고교 가부시끼가이샤 저중합도 셀룰로오스 에테르의 제조 방법
CN109336983B (zh) * 2018-11-15 2020-12-29 泸州北方纤维素有限公司 用于特低粘羟乙基纤维素的制备方法
CN109627346A (zh) * 2018-12-06 2019-04-16 泸州北方纤维素有限公司 稳定性良好的超低粘度乙基纤维素及其制备方法
CN113683470A (zh) * 2021-08-23 2021-11-23 姚鲁 一种改善射钉装药制造的安全和环保方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB953944A (en) * 1962-02-16 1964-04-02 Ici Ltd Reduction of viscosity of water-soluble non-ionic cellulose ethers
DE1543116A1 (de) * 1965-05-29 1969-07-31 Kalle Ag Verfahren zur Herstellung niedrigviskoser wasserloeslicher Celluloseaether
US3728331A (en) * 1969-04-04 1973-04-17 Dow Chemical Co Process for reducing the viscosity of a cellulose ether with hydrogen peroxide
JPS5928321B2 (ja) * 1979-02-16 1984-07-12 株式会社興人 カルボキシメチルセルロ−スのマ−セル化方法
JPS5941643B2 (ja) * 1979-02-15 1984-10-08 株式会社興人 低粘度カルボキシメチルエチルセルロ−スの製造法
DE3009149A1 (de) * 1980-03-10 1981-09-24 Kohjin Co., Ltd., Tokyo Verfahren zum veraethern von cellulosen
JPS6051481B2 (ja) * 1981-04-30 1985-11-14 株式会社興人 低粘度セルロ−スエ−テル類の製造方法
DE3839831A1 (de) * 1988-11-25 1990-05-31 Hoechst Ag Verfahren und vorrichtung zur produktschonenden mahlung und gleichzeitigen trocknung von feuchten celluloseethern
JP2800061B2 (ja) * 1990-05-21 1998-09-21 ダイセル化学工業株式会社 低粘度カルボキシメチルセルロースナトリウムの製造法
JP2800062B2 (ja) * 1990-05-21 1998-09-21 ダイセル化学工業株式会社 超低粘度カルボキシメチルセルロースナトリウム塩
ATE167488T1 (de) * 1990-07-02 1998-07-15 Aqualon Co Niedrigviskose-polysaccharidzusammensetzung mit hohem festkörpergehalt
JPH0681761B2 (ja) * 1991-07-12 1994-10-19 三洋化成工業株式会社 セルロース誘導体の低分子化方法および低分子量セルロース誘導体のエーテル化方法
GB2262527A (en) * 1992-07-02 1993-06-23 Dow Deutschland Inc Process for grinding cellulose compounds
DE4411681A1 (de) * 1994-04-05 1995-10-12 Hoechst Ag Verfahren zur Herstellung niedermolekularer Polysaccharidether

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004007559A1 (en) * 2002-07-10 2004-01-22 Akzo Nobel N.V. Depolymerization of water soluble polysaccharides
CN104558203A (zh) * 2015-01-22 2015-04-29 湖州展望药业股份有限公司 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品
CN104558203B (zh) * 2015-01-22 2016-08-24 湖州展望药业股份有限公司 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品
WO2019122104A1 (de) * 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidativer abbau von celluloseethern
US11905339B2 (en) 2017-12-22 2024-02-20 Se Tylose Gmbh & Co. Kg Oxidative degradation of cellulose ethers
CN115572107A (zh) * 2022-11-11 2023-01-06 亚士创能新材料(滁州)有限公司 耐温变施工的真石漆及其制备方法、应用
CN115572107B (zh) * 2022-11-11 2024-01-19 亚士创能新材料(滁州)有限公司 耐温变施工的真石漆及其制备方法、应用

Also Published As

Publication number Publication date
US6939961B1 (en) 2005-09-06
AU1506100A (en) 2000-06-19
CN1269841C (zh) 2006-08-16
CA2352186A1 (en) 2000-06-08
PL349790A1 (en) 2002-09-09
TR200101448T2 (tr) 2002-04-22
CA2352186C (en) 2008-12-30
UA73294C2 (en) 2005-07-15
HK1044005B (zh) 2007-03-30
EP1153040A1 (de) 2001-11-14
JP2002531593A (ja) 2002-09-24
DE59912164D1 (de) 2005-07-14
WO2000032636A1 (de) 2000-06-08
ATE297411T1 (de) 2005-06-15
HK1044005A1 (en) 2002-10-04
ES2242432T3 (es) 2005-11-01
CN1334822A (zh) 2002-02-06
NO20012577L (no) 2001-05-25
NO20012577D0 (no) 2001-05-25
KR20010080592A (ko) 2001-08-22
BR9915690A (pt) 2001-11-13
EP1153040B1 (de) 2005-06-08

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