DE69304191D1 - Kontinuierliche hydrolyse von zelluloseacetat - Google Patents

Kontinuierliche hydrolyse von zelluloseacetat

Info

Publication number
DE69304191D1
DE69304191D1 DE69304191T DE69304191T DE69304191D1 DE 69304191 D1 DE69304191 D1 DE 69304191D1 DE 69304191 T DE69304191 T DE 69304191T DE 69304191 T DE69304191 T DE 69304191T DE 69304191 D1 DE69304191 D1 DE 69304191D1
Authority
DE
Germany
Prior art keywords
range
cellulose acetate
residence time
continuous hydrolysis
time distribution
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 - Lifetime
Application number
DE69304191T
Other languages
English (en)
Other versions
DE69304191T2 (de
Inventor
Mark Cox
Tim Frederick
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.)
Eastman Chemical Co
Original Assignee
Eastman Chemical Co
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 Eastman Chemical Co filed Critical Eastman Chemical Co
Application granted granted Critical
Publication of DE69304191D1 publication Critical patent/DE69304191D1/de
Publication of DE69304191T2 publication Critical patent/DE69304191T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification
    • C08B3/24—Hydrolysis or ripening

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69304191T 1992-01-13 1993-01-06 Kontinuierliche hydrolyse von zelluloseacetat Expired - Lifetime DE69304191T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82074292A 1992-01-13 1992-01-13
PCT/US1993/000430 WO1993014128A1 (en) 1992-01-13 1993-01-06 Continuous hydrolysis of cellulose acetate

Publications (2)

Publication Number Publication Date
DE69304191D1 true DE69304191D1 (de) 1996-09-26
DE69304191T2 DE69304191T2 (de) 1997-01-23

Family

ID=25231606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69304191T Expired - Lifetime DE69304191T2 (de) 1992-01-13 1993-01-06 Kontinuierliche hydrolyse von zelluloseacetat

Country Status (14)

Country Link
US (1) US5364935A (de)
EP (1) EP0621876B1 (de)
JP (1) JPH07506852A (de)
KR (1) KR940703861A (de)
CN (1) CN1039333C (de)
AT (1) ATE141617T1 (de)
AU (1) AU661247B2 (de)
BR (1) BR9305732A (de)
CA (1) CA2125881C (de)
DE (1) DE69304191T2 (de)
MX (1) MX9300121A (de)
MY (1) MY106937A (de)
RU (1) RU94038306A (de)
WO (1) WO1993014128A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2976699A (en) * 1998-03-12 1999-09-27 Surgical Laser Technologies, Inc. Conjunctive electrosurgical device
US20100175691A1 (en) * 2009-01-15 2010-07-15 Celanese Acetate Llc Process for recycling cellulose acetate ester waste
WO2011141545A1 (en) * 2010-05-12 2011-11-17 Shell Internationale Research Maatschappij B.V. Process for liquefying a cellulosic material
CN102939323B (zh) 2010-05-12 2016-03-30 国际壳牌研究有限公司 液化纤维素材料的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA530164A (en) * 1956-09-11 H. Groombridge Walter Production of cellulose esters
GB292398A (en) * 1927-07-20 1928-06-21 Naamlooze Vennootschap Nl Kuns Process for the production of partially hydrolysed cellulose acetates and products such as threads, films, ribbons, plastic masses, lacquers, varnishes and the like produced by said process
US1961251A (en) * 1928-08-21 1934-06-05 Du Pont Reduction of viscosity of cellulose acetate
US2126488A (en) * 1936-05-07 1938-08-09 Eastman Kodak Co Method of increasing the viscosity of organic acid esters of cellulose
US2790796A (en) * 1952-10-31 1957-04-30 Rhodiaceta Continuous process and apparatus for the hydrolysis of esters in homogeneous phase and analogous reactions
BE785656A (fr) * 1971-06-30 1973-01-02 Celanese Corp Procede d'hydrolyse de la cellulose esterifiee a temperature elevee
US4016353A (en) * 1975-04-14 1977-04-05 Crown Zellerbach Corporation Process for producing organic acid esters of cellulose
JPS60155245A (ja) * 1984-01-24 1985-08-15 Daicel Chem Ind Ltd 酢酸セルロ−ス多孔質球状粒子及びその製造方法
DE69120360T2 (de) * 1990-04-16 1996-10-31 Eastman Chemical Co., Kingsport, Tenn. Verfahren zur herstellung von celluloseestern unter verwendung von carbonsäuren
US5214137A (en) * 1991-02-08 1993-05-25 Eastman Kodak Company Preparation of cellulose diacetate by recycling processed film

Also Published As

Publication number Publication date
RU94038306A (ru) 1996-05-27
CN1039333C (zh) 1998-07-29
BR9305732A (pt) 1997-01-28
CN1074449A (zh) 1993-07-21
CA2125881C (en) 1997-12-09
DE69304191T2 (de) 1997-01-23
MX9300121A (es) 1993-07-01
EP0621876A1 (de) 1994-11-02
US5364935A (en) 1994-11-15
AU661247B2 (en) 1995-07-13
KR940703861A (ko) 1994-12-12
CA2125881A1 (en) 1993-07-22
MY106937A (en) 1995-08-30
EP0621876B1 (de) 1996-08-21
WO1993014128A1 (en) 1993-07-22
AU3477693A (en) 1993-08-03
JPH07506852A (ja) 1995-07-27
ATE141617T1 (de) 1996-09-15

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