DE1768524A1 - Zellulosetriacetat mit neuen Charakteristiken und Verfahren zu seiner Herstellung - Google Patents

Zellulosetriacetat mit neuen Charakteristiken und Verfahren zu seiner Herstellung

Info

Publication number
DE1768524A1
DE1768524A1 DE19681768524 DE1768524A DE1768524A1 DE 1768524 A1 DE1768524 A1 DE 1768524A1 DE 19681768524 DE19681768524 DE 19681768524 DE 1768524 A DE1768524 A DE 1768524A DE 1768524 A1 DE1768524 A1 DE 1768524A1
Authority
DE
Germany
Prior art keywords
sulfuric acid
ether
solution
triacetate
aqueous
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.)
Pending
Application number
DE19681768524
Other languages
German (de)
English (en)
Inventor
Andre Rajon
Jean Sacco
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.)
Rhodiaceta SA
Original Assignee
Rhodiaceta SA
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 Rhodiaceta SA filed Critical Rhodiaceta SA
Publication of DE1768524A1 publication Critical patent/DE1768524A1/de
Pending 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
    • C08B3/22—Post-esterification treatments, including purification
    • C08B3/26—Isolation of the cellulose ester
    • C08B3/28—Isolation of the cellulose ester by precipitation
    • 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

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)
DE19681768524 1967-05-22 1968-05-22 Zellulosetriacetat mit neuen Charakteristiken und Verfahren zu seiner Herstellung Pending DE1768524A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR107260A FR1547418A (fr) 1967-05-22 1967-05-22 Triacétate de cellulose de caractéristiques nouvelles et procédé pour l'obtenir
FR147206A FR94856E (fr) 1967-05-22 1968-04-05 Triacétate de cellulose de caractéristiques nouvelles et procédé pour l'obtenir.

Publications (1)

Publication Number Publication Date
DE1768524A1 true DE1768524A1 (de) 1971-11-18

Family

ID=26176646

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681768524 Pending DE1768524A1 (de) 1967-05-22 1968-05-22 Zellulosetriacetat mit neuen Charakteristiken und Verfahren zu seiner Herstellung

Country Status (7)

Country Link
US (2) US3557083A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE715442A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1768524A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2) FR1547418A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1153560A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU56116A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6806817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024000B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-11-04 1975-08-12
US3846404A (en) * 1973-05-23 1974-11-05 Moleculon Res Corp Process of preparing gelled cellulose triacetate products and the products produced thereby
US3985298A (en) * 1973-05-23 1976-10-12 Moleculon Research Corporation Controlled release materials and method of use
US4016353A (en) * 1975-04-14 1977-04-05 Crown Zellerbach Corporation Process for producing organic acid esters of cellulose
JPS5738801A (en) * 1980-08-21 1982-03-03 Chisso Corp Production of porous spherical cellulose particle
US5223251A (en) * 1989-05-30 1993-06-29 Purepac, Inc. Skin fragrance compositions
US5206019A (en) * 1989-05-30 1993-04-27 Moleculon, Inc. Soap compositions containing liquid-loaded powders
BR102013031788A2 (pt) * 2013-12-10 2016-05-24 César Augusto Dumont Labuto processo e produtos para resistência material (física, química e biológica) a variações de temperatura e pressão (naturais, acidentais ou controladas), ao calor e ao fogo, ao contágio, criação, consumo e propagação destes, à degradação de materiais, à combustão, à pirofagia, à volatização, à emissão de gases, à liberação de carbono, ao centelhamento e à explosão, bem como para permitir a síntese controlada de estruturas, incarbonização, termo impressões e o seu uso
CN107286258B (zh) * 2017-07-27 2018-08-10 四川普什醋酸纤维素有限责任公司 三醋酸纤维素及其制备方法
CN110230228A (zh) * 2019-06-24 2019-09-13 清华大学 秸秆原料联产纤维素材料、糠醛和木质素的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036397A (en) * 1931-05-26 1936-04-07 Eastman Kodak Co Process of refining cellulose acetate
US2230387A (en) * 1939-03-15 1941-02-04 Celanese Corp Production of purified cellulose esters
US2264828A (en) * 1940-06-14 1941-12-02 Hercules Powder Co Ltd Washing process
GB565343A (en) * 1942-12-14 1944-11-07 John Guilfoyle Williams Improvements relating to the production of cellular materials from cellulose derivatives
US2805171A (en) * 1954-10-01 1957-09-03 Eastman Kodak Co High acetyl cellulose acetate molding compositions and the manufacture of molded pieces therefrom
US2843583A (en) * 1955-03-03 1958-07-15 Hercules Powder Co Ltd Preparation of finely-divided cellulose derivative compositions
US3109743A (en) * 1962-03-13 1963-11-05 Fmc Corp Rapid acetylation of cellulose crystallite aggregates

Also Published As

Publication number Publication date
GB1153560A (en) 1969-05-29
FR94856E (fr) 1970-01-16
NL6806817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-11-25
FR1547418A (fr) 1968-11-29
LU56116A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-02-10
BE715442A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-11-20
US3525734A (en) 1970-08-25
US3557083A (en) 1971-01-19

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