GB1251019A - - Google Patents

Info

Publication number
GB1251019A
GB1251019A GB1251019DA GB1251019A GB 1251019 A GB1251019 A GB 1251019A GB 1251019D A GB1251019D A GB 1251019DA GB 1251019 A GB1251019 A GB 1251019A
Authority
GB
United Kingdom
Prior art keywords
cellulose
hydrogen peroxide
cellulose ether
ether
april
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1251019A publication Critical patent/GB1251019A/en
Expired 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
    • C08B11/02—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
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB1251019D 1969-04-04 1970-04-06 Expired GB1251019A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81372069A 1969-04-04 1969-04-04

Publications (1)

Publication Number Publication Date
GB1251019A true GB1251019A (https=) 1971-10-27

Family

ID=25213182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251019D Expired GB1251019A (https=) 1969-04-04 1970-04-06

Country Status (4)

Country Link
US (1) US3728331A (https=)
JP (1) JPS4819232B1 (https=)
DE (1) DE2016203B2 (https=)
GB (1) GB1251019A (https=)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922173A (en) * 1974-07-22 1975-11-25 Halliburton Co Temperature-stable aqueous gels
US4048433A (en) * 1976-02-02 1977-09-13 The Procter & Gamble Company Cellulose ethers having a low molecular weight and a high degree of methyl substitution
US4061859A (en) * 1976-06-14 1977-12-06 The Dow Chemical Company Viscosity reduction of cellulose derivatives
US4250305A (en) * 1978-09-01 1981-02-10 Kohjin Co., Ltd. Process for preparing cellulose ether
DE2917104A1 (de) 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
IT1121850B (it) * 1979-06-20 1986-04-23 Montedison Spa Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione
DE3009149A1 (de) * 1980-03-10 1981-09-24 Kohjin Co., Ltd., Tokyo Verfahren zum veraethern von cellulosen
US4420611A (en) * 1982-03-18 1983-12-13 Hercules Incorporated Stabilization of irradiated carboxymethyl cellulose
DE3478445D1 (en) * 1983-10-06 1989-07-06 Kohjin Co Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating
DE3530857A1 (de) * 1985-08-29 1987-03-05 Hoechst Ag Verfahren zur herstellung von niedrigviskosen celluloseethern
US5366755A (en) * 1989-02-10 1994-11-22 Maritta Timonen Foodstuffs containing novel degraded cellulose derivatives
FI895708A7 (fi) * 1989-02-10 1990-08-11 Alko Ab Oy Vesiliukoinen hajoamistuote
FI900632A7 (fi) * 1989-02-10 1990-08-11 Alko Yhtioet Oy Selluloosajohdannaisia
US5006168A (en) * 1989-04-03 1991-04-09 Aqualon Company Water soluble polymers as alcohol replacement in lithographic fountain solutions
JPH089680B2 (ja) * 1990-07-02 1996-01-31 アクアロン・カンパニー 高固形分、低粘度の多糖組成物
US5476668A (en) * 1990-08-24 1995-12-19 Shin-Etsu Chemical Co., Ltd. Base for film-coating pharmaceuticals and method for preparing same
EP0497985B1 (en) * 1990-08-24 1998-07-22 Shin-Etsu Chemical Co., Ltd. Coating base for pharmaceutical film and production thereof
DK0566911T3 (da) * 1992-04-20 1999-05-25 Aqualon Co Forbedrede vandige udflydningscoatingsammensætninger
DE19854770A1 (de) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
RU2133755C1 (ru) * 1998-12-10 1999-07-27 Закрытое акционерное общество Корпорация "Авис Уголь" Способ получения соли карбоксиалкилцеллюлозы
EP1417240A1 (en) * 2001-06-11 2004-05-12 Rhodia, Inc. Galactomannan compositions and methods for making and using same
US6488091B1 (en) 2001-06-11 2002-12-03 Halliburton Energy Services, Inc. Subterranean formation treating fluid concentrates, treating fluids and methods
US7001872B2 (en) * 2001-06-11 2006-02-21 Halliburton Energy Services, Inc. Subterranean formation treating fluid and methods of fracturing subterranean formations
US20050137094A1 (en) * 2001-06-11 2005-06-23 Halliburton Energy Sevices, Inc. Subterranean formation treatment fluids and methods of using such fluids
DE10141680B4 (de) * 2001-08-25 2004-02-26 Clariant Gmbh Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern
US6971448B2 (en) * 2003-02-26 2005-12-06 Halliburton Energy Services, Inc. Methods and compositions for sealing subterranean zones
US20070179292A1 (en) * 2004-05-26 2007-08-02 Spencer Michael V Production of low molecular weight ethylcellulose
KR101241845B1 (ko) * 2004-05-26 2013-03-12 다우 글로벌 테크놀로지스 엘엘씨 저분자량 에틸셀룰로오즈의 제조방법
JP2006241374A (ja) * 2005-03-04 2006-09-14 Dai Ichi Kogyo Seiyaku Co Ltd カルボキシメチルセルロース塩の製造方法
US7947745B1 (en) * 2007-10-09 2011-05-24 Fritz Industries, Inc Reducing the viscosity of an aqueous fluid
CA2752474C (en) * 2009-02-12 2017-06-20 Rhodia Operations Methods for controlling depolymerization of polymer compositions
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
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
PT2474559E (pt) * 2009-09-02 2015-04-13 Nippon Soda Co Partículas de hidroxipropilcelulose
US9580516B2 (en) 2011-02-21 2017-02-28 Shin-Etsu Chemical Co., Ltd. Methods for producing alkali cellulose and cellulose ether
ITVA20110009A1 (it) 2011-03-25 2012-09-26 Lamberti Spa Composizione cosmetica per la pelle
ES2487639T3 (es) * 2011-04-01 2014-08-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
ES2444952T3 (es) 2011-04-01 2014-02-27 Omya International Ag Procedimiento para preparar partículas de pigmento autoaglutinantes
BR112013030060A2 (pt) 2011-05-23 2018-01-16 Gp Cellulose Gmbh fibras e tábua de madeira resinosa kraft e respectivo método para fabricação de fibra kraft
PL2565236T3 (pl) 2011-08-31 2014-06-30 Omya Int Ag Samowiążąca hybryda pigmentu
CA2860609C (en) 2012-01-12 2021-02-16 Gp Cellulose Gmbh A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
MX364847B (es) 2012-04-18 2019-05-08 Gp Cellulose Gmbh El uso de surfactante para tratar pulpa y mejorar la incorporacion de pulpa kraft en fibra para la produccion de viscosa y otros productos de fibra secundarios.
KR101971738B1 (ko) * 2012-12-11 2019-04-23 롯데정밀화학 주식회사 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법
RU2018117289A (ru) 2013-02-08 2018-10-26 ДжиПи СЕЛЛЬЮЛОУС ГМБХ КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ
RU2671653C2 (ru) 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
WO2018093697A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
EP4678702A1 (en) 2024-07-10 2026-01-14 Lamberti SPA Architectural coating compositions

Also Published As

Publication number Publication date
US3728331A (en) 1973-04-17
DE2016203B2 (de) 1974-02-28
DE2016203A1 (de) 1970-10-08
JPS4819232B1 (https=) 1973-06-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees