BR9305732A - Processo compreendendo o fluxo continuo de uma composiçao através de uma zona de hidrólise - Google Patents

Processo compreendendo o fluxo continuo de uma composiçao através de uma zona de hidrólise

Info

Publication number
BR9305732A
BR9305732A BR9305732A BR9305732A BR9305732A BR 9305732 A BR9305732 A BR 9305732A BR 9305732 A BR9305732 A BR 9305732A BR 9305732 A BR9305732 A BR 9305732A BR 9305732 A BR9305732 A BR 9305732A
Authority
BR
Brazil
Prior art keywords
composition
hydrolysis zone
continuous flow
range
residence time
Prior art date
Application number
BR9305732A
Other languages
English (en)
Inventor
Mark Keven Cox
Tim Joseph Frederick
Original Assignee
Eastman Chem 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 Chem Co filed Critical Eastman Chem Co
Publication of BR9305732A publication Critical patent/BR9305732A/pt

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)
BR9305732A 1992-01-13 1993-01-06 Processo compreendendo o fluxo continuo de uma composiçao através de uma zona de hidrólise BR9305732A (pt)

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 (1)

Publication Number Publication Date
BR9305732A true BR9305732A (pt) 1997-01-28

Family

ID=25231606

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305732A BR9305732A (pt) 1992-01-13 1993-01-06 Processo compreendendo o fluxo continuo de uma composiçao através de uma zona de hidrólise

Country Status (14)

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

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
CA2798440A1 (en) * 2010-05-12 2011-11-17 Klaas Lambertus Von Hebel Process for liquefying a cellulosic material
EP2569350A2 (en) 2010-05-12 2013-03-20 Shell Internationale Research Maatschappij B.V. Process for liquefying a cellulosic material

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
US2126489A (en) * 1936-05-07 1938-08-09 Eastman Kodak Co Process of lowering the viscosity of hydrolyzed cellulose esters
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
JP3315980B2 (ja) * 1990-04-16 2002-08-19 イーストマン ケミカル カンパニー カルボン酸の使用によるセルロースエステルの製造方法
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
CN1039333C (zh) 1998-07-29
CN1074449A (zh) 1993-07-21
EP0621876A1 (en) 1994-11-02
MX9300121A (es) 1993-07-01
RU94038306A (ru) 1996-05-27
CA2125881C (en) 1997-12-09
DE69304191T2 (de) 1997-01-23
AU661247B2 (en) 1995-07-13
ATE141617T1 (de) 1996-09-15
AU3477693A (en) 1993-08-03
MY106937A (en) 1995-08-30
JPH07506852A (ja) 1995-07-27
US5364935A (en) 1994-11-15
CA2125881A1 (en) 1993-07-22
KR940703861A (ko) 1994-12-12
DE69304191D1 (de) 1996-09-26
EP0621876B1 (en) 1996-08-21
WO1993014128A1 (en) 1993-07-22

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Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law