CA2070390A1 - Procede pour la preparation d'esters cellulosiques - Google Patents

Procede pour la preparation d'esters cellulosiques

Info

Publication number
CA2070390A1
CA2070390A1 CA 2070390 CA2070390A CA2070390A1 CA 2070390 A1 CA2070390 A1 CA 2070390A1 CA 2070390 CA2070390 CA 2070390 CA 2070390 A CA2070390 A CA 2070390A CA 2070390 A1 CA2070390 A1 CA 2070390A1
Authority
CA
Canada
Prior art keywords
cellulose esters
preparing cellulose
cellulose
anhydride
preparing
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.)
Granted
Application number
CA 2070390
Other languages
English (en)
Other versions
CA2070390C (fr
Inventor
Charles M. Buchanan
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
Individual
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 Individual filed Critical Individual
Publication of CA2070390A1 publication Critical patent/CA2070390A1/fr
Application granted granted Critical
Publication of CA2070390C publication Critical patent/CA2070390C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08B3/16—Preparation of mixed organic cellulose esters, e.g. cellulose aceto-formate or cellulose aceto-propionate
    • 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
    • C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
    • 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
    • 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

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)

Abstract

L'invention concerne un procédé pour préparer des esters de cellulose en utilisant un anhydride acylique et un anhydride trifluoroacétique en tant qu'agent agitateur. L'invention comprend la formation d'un triester de cellulose suivi ou non d'une phase d'hydrolyse. En outre, on peut préparer directement un ester de cellulose ayant un degré de substitution pratiquement inférieur à 3, en utilisant, en plus, un acide trifluoroacétique.
CA 2070390 1990-03-19 1991-03-13 Procede pour la preparation d'esters cellulosiques Expired - Fee Related CA2070390C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49518690A 1990-03-19 1990-03-19
US495,186 1990-03-19

Publications (2)

Publication Number Publication Date
CA2070390A1 true CA2070390A1 (fr) 1991-09-20
CA2070390C CA2070390C (fr) 1999-03-30

Family

ID=23967619

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2070390 Expired - Fee Related CA2070390C (fr) 1990-03-19 1991-03-13 Procede pour la preparation d'esters cellulosiques

Country Status (4)

Country Link
EP (1) EP0522009A1 (fr)
JP (1) JPH05506046A (fr)
CA (1) CA2070390C (fr)
WO (1) WO1991014709A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277122B (zh) * 2013-07-11 2016-08-10 南通醋酸纤维有限公司 溶于丙酮的纤维素酯的直接合成方法及其产品
CN105199001B (zh) * 2014-06-19 2019-01-01 南通醋酸纤维有限公司 一种纤维素长链脂肪酸酯或长短链混合酸酯的制备方法
EP3064540B1 (fr) * 2015-03-05 2018-05-23 LANXESS Deutschland GmbH Preparations d'ester de cellulose ignifugees
US11505622B2 (en) * 2017-03-29 2022-11-22 Eastman Chemical Company Regioselectively substituted cellulose esters
ES2908713T3 (es) * 2017-12-04 2022-05-03 Lg Chemical Ltd Procedimiento para producir la composición destinada a formar la capa activa de la membrana de separación de gases, la composición para formar la capa activa de la membrana de separación de gases producida por la misma, el procedimiento para fabricar la membrana de separación de gases y la membrana de separación de gases
FR3136465A1 (fr) * 2022-06-14 2023-12-15 Université De Lorraine Procédé de préparation d’un matériau cellulosique thermoplastique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581565A (en) * 1952-01-08 Cellulose vestoees
US2629716A (en) * 1948-07-07 1953-02-24 Du Pont Preparation and hydrolysis of esters
JPS6017441B2 (ja) * 1981-07-10 1985-05-02 ダイセル化学工業株式会社 新規なセルロ−スアセテ−トの製造方法

Also Published As

Publication number Publication date
JPH05506046A (ja) 1993-09-02
WO1991014709A1 (fr) 1991-10-03
CA2070390C (fr) 1999-03-30
EP0522009A1 (fr) 1993-01-13

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed