DE69902825T2 - Anionische celluloseether mit temperatur-abhängigen, assoziativen eigenschaften - Google Patents

Anionische celluloseether mit temperatur-abhängigen, assoziativen eigenschaften

Info

Publication number
DE69902825T2
DE69902825T2 DE69902825T DE69902825T DE69902825T2 DE 69902825 T2 DE69902825 T2 DE 69902825T2 DE 69902825 T DE69902825 T DE 69902825T DE 69902825 T DE69902825 T DE 69902825T DE 69902825 T2 DE69902825 T2 DE 69902825T2
Authority
DE
Germany
Prior art keywords
group
alkali metal
anionic cellulose
glycidyl ether
dependent
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
DE69902825T
Other languages
English (en)
Other versions
DE69902825D1 (de
Inventor
Jan Dijk
Gerardus Batelaan
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.)
Akzo Nobel NV
Original Assignee
Akzo Nobel NV
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 Akzo Nobel NV filed Critical Akzo Nobel NV
Publication of DE69902825D1 publication Critical patent/DE69902825D1/de
Application granted granted Critical
Publication of DE69902825T2 publication Critical patent/DE69902825T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/06—Clay-free compositions
    • C09K8/08—Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
    • C09K8/10—Cellulose or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE69902825T 1998-12-11 1999-12-07 Anionische celluloseether mit temperatur-abhängigen, assoziativen eigenschaften Expired - Fee Related DE69902825T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98204186 1998-12-11
US11230098P 1998-12-14 1998-12-14
PCT/EP1999/009662 WO2000035957A1 (en) 1998-12-11 1999-12-07 Anionic cellulose ethers having temperature-dependent associative properties

Publications (2)

Publication Number Publication Date
DE69902825D1 DE69902825D1 (de) 2002-10-10
DE69902825T2 true DE69902825T2 (de) 2003-08-07

Family

ID=56289980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69902825T Expired - Fee Related DE69902825T2 (de) 1998-12-11 1999-12-07 Anionische celluloseether mit temperatur-abhängigen, assoziativen eigenschaften

Country Status (7)

Country Link
EP (1) EP1151014B1 (de)
AT (1) ATE223438T1 (de)
AU (1) AU1863900A (de)
BR (1) BR9916133A (de)
CA (1) CA2353828C (de)
DE (1) DE69902825T2 (de)
WO (1) WO2000035957A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526356C2 (sv) 2003-12-15 2005-08-30 Akzo Nobel Nv Associativa vattenlösliga cellulosaetrar
FI20115279A0 (fi) * 2011-03-22 2011-03-22 Teknologian Tutkimuskeskus Vtt Oy Menetelmä hydrogeelin valmistamiseksi ksylaanipolysakkaridista ja hydrogeeli
CN116606382A (zh) * 2023-04-03 2023-08-18 大连海洋大学 一种带有汞离子识别基团的纤维素及其制备方法与应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024968A1 (de) * 1990-08-07 1992-07-09 Wolff Walsrode Ag Dihydroxypropylsulfoethylcellulosen, ihre herstellung und verwendung
DE4133677A1 (de) * 1991-10-11 1993-04-15 Wolff Walsrode Ag 3-allyloxy-2-hydroxypropylether
IT1282703B1 (it) * 1996-02-28 1998-03-31 Lamberti Spa Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga
RU2191194C2 (ru) * 1997-06-13 2002-10-20 Акцо Нобель Н.В. Гидрофобизированные анионные простые эфиры целлюлозы

Also Published As

Publication number Publication date
EP1151014B1 (de) 2002-09-04
CA2353828C (en) 2008-11-25
DE69902825D1 (de) 2002-10-10
BR9916133A (pt) 2001-09-11
AU1863900A (en) 2000-07-03
ATE223438T1 (de) 2002-09-15
CA2353828A1 (en) 2000-06-22
EP1151014A1 (de) 2001-11-07
WO2000035957A1 (en) 2000-06-22

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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