HK1044005B - 製備低粘性水溶性的纖維素醚的方法 - Google Patents

製備低粘性水溶性的纖維素醚的方法

Info

Publication number
HK1044005B
HK1044005B HK02105446.7A HK02105446A HK1044005B HK 1044005 B HK1044005 B HK 1044005B HK 02105446 A HK02105446 A HK 02105446A HK 1044005 B HK1044005 B HK 1044005B
Authority
HK
Hong Kong
Prior art keywords
mixture
cellulose ethers
hydrogen peroxide
soluble cellulose
production
Prior art date
Application number
HK02105446.7A
Other languages
English (en)
Other versions
HK1044005A1 (en
Inventor
Schlesiger Hartwig
Original Assignee
Dow Wolff Cellulosics 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
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=HK1044005(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Wolff Cellulosics Gmbh filed Critical Dow Wolff Cellulosics Gmbh
Publication of HK1044005A1 publication Critical patent/HK1044005A1/xx
Publication of HK1044005B publication Critical patent/HK1044005B/zh

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)
HK02105446.7A 1998-11-27 2002-07-23 製備低粘性水溶性的纖維素醚的方法 HK1044005B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19854770A DE19854770A1 (de) 1998-11-27 1998-11-27 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
PCT/EP1999/008779 WO2000032636A1 (de) 1998-11-27 1999-11-15 Verfahren zur herstellung niedrigviskoser wasserlöslicher celluloseether

Publications (2)

Publication Number Publication Date
HK1044005A1 HK1044005A1 (en) 2002-10-04
HK1044005B true HK1044005B (zh) 2007-03-30

Family

ID=7889225

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02105446.7A HK1044005B (zh) 1998-11-27 2002-07-23 製備低粘性水溶性的纖維素醚的方法

Country Status (17)

Country Link
US (1) US6939961B1 (zh)
EP (1) EP1153040B1 (zh)
JP (1) JP2002531593A (zh)
KR (1) KR20010080592A (zh)
CN (1) CN1269841C (zh)
AT (1) ATE297411T1 (zh)
AU (1) AU1506100A (zh)
BR (1) BR9915690A (zh)
CA (1) CA2352186C (zh)
DE (2) DE19854770A1 (zh)
ES (1) ES2242432T3 (zh)
HK (1) HK1044005B (zh)
NO (1) NO20012577L (zh)
PL (1) PL349790A1 (zh)
TR (1) TR200101448T2 (zh)
UA (1) UA73294C2 (zh)
WO (1) WO2000032636A1 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2322461C2 (ru) * 2002-07-10 2008-04-20 Акцо Нобель Н.В. Способ получения раствора полисахарида или простого эфира полисахарида и твердая композиция для получения этого раствора
JP3905833B2 (ja) * 2002-12-27 2007-04-18 伊那食品工業株式会社 増粘用添加物
BRPI0415764A (pt) 2003-11-28 2006-12-26 Eastman Chem Co interpolìmero, produto de reação, métodos para converter uma hidroxila, para preparar uma forma estável de um interpolìmero, para converter um álcool primário, e para tratar um mamìfero necessitado do mesmo, composições para revestimento e farmacêutica oral, dispersão de pigmento, e, artigo
EP2209811B1 (en) * 2007-11-09 2019-03-06 Union Carbide Chemicals & Plastics Technology LLC Method for preparing very low viscosity cellulose ether and product
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
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
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
BRPI1012052A2 (pt) 2009-05-28 2017-12-26 Gp Cellulose Gmbh fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft
SI2505615T1 (sl) * 2011-04-01 2014-08-29 Omya International Ag Samovezujoäśi pigmentni hibrid
EP2662418B1 (en) * 2012-05-11 2015-02-18 Omya International AG Sustainable adsorbable polymers
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
WO2014140940A2 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
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
KR102373750B1 (ko) * 2016-10-06 2022-03-15 신에쓰 가가꾸 고교 가부시끼가이샤 저중합도 셀룰로오스 에테르의 제조 방법
DE102017223690A1 (de) 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidativer Abbau von Celluloseethern
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
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

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
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
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
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
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
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
EP0465992B1 (en) * 1990-07-02 1998-06-17 Aqualon Company High solids low viscosity polysaccharide composition
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

Also Published As

Publication number Publication date
WO2000032636A1 (de) 2000-06-08
EP1153040B1 (de) 2005-06-08
PL349790A1 (en) 2002-09-09
DE19854770A1 (de) 2000-05-31
ES2242432T3 (es) 2005-11-01
CN1334822A (zh) 2002-02-06
UA73294C2 (en) 2005-07-15
US6939961B1 (en) 2005-09-06
DE59912164D1 (de) 2005-07-14
CA2352186A1 (en) 2000-06-08
BR9915690A (pt) 2001-11-13
EP1153040A1 (de) 2001-11-14
ATE297411T1 (de) 2005-06-15
CN1269841C (zh) 2006-08-16
NO20012577D0 (no) 2001-05-25
KR20010080592A (ko) 2001-08-22
CA2352186C (en) 2008-12-30
HK1044005A1 (en) 2002-10-04
AU1506100A (en) 2000-06-19
TR200101448T2 (tr) 2002-04-22
NO20012577L (no) 2001-05-25
JP2002531593A (ja) 2002-09-24

Similar Documents

Publication Publication Date Title
PL349790A1 (en) Method for the production of low-viscous water-soluble cellulose ethers
MXPA04001714A (es) Metodo para la produccion de un eter de celulosa de viscosidad baja por medio de la descomposicion de oxidativa, acida, de eteres de celulosa triturados y secos.
FI92416C (fi) Valkaisumenetelmä
HK1040729B (zh) 高黏度聚酯的製備方法
JP2002531593A5 (zh)
GB1139637A (en) Process for the manufacture of low viscosity water-soluble cellulose ethers
BG60166B2 (bg) Метод за получаване на напълнени втвърдяващи се на горещо съединения от полиуретанов тип и получените съединения
MX9707168A (es) Complejos de sales inorganicas de peroxido de hidrogeno y sintesis de los mismos.
ES440643A1 (es) Procedimiento para la produccion de cuerpos porosos basados en yeso.
KR880001393B1 (ko) 전분으로 부터 전분 풀의 제조 방법
DE3164454D1 (en) Water-soluble mixed cellulose ethers with a phosphonomethyl substituent, and a process for their preparation
ES8201593A1 (es) Procedimiento para la obtencion de nuevos derivados del aci-do lignosulfonicos
ES8702874A1 (es) Procedimiento modificado para preparar antraquinona por ci- clizacion de acido ortobenzoilbenzoico
MY109664A (en) Method of reclaiming phosphor.
JPS55160713A (en) Stable aqueous powder dispersion composition
RU2039077C1 (ru) Способ получения мелиоранта почв
WO1990010676A1 (en) Liquid composition and method of dyeing therewith
SU63273A1 (ru) Способ обезвреживани муки из хлопковых сем н и хлопкового жмыха
GB986999A (en) A process for the production of sodium carboxymethylcellulose from jute and oil-in-water emulsions prepared therefrom
SU1654328A1 (ru) Состав промывочной жидкости
JPS55110102A (en) Mercerization of carboxymethylcellulose
JPS5672075A (en) Silicate soil stabilizer
HUT35701A (en) Robber solution containing cellulose-ether based pilisacharid derivatives and process for the production
JPS55152704A (en) Preparation of alkali chitin
JPS5761617A (en) Aqueous zeolite slurry having improved static and dynamic stability and its preparation

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20101115