FR2523585B1 - Procede de stabilisation de carboxymethylcellulose irradiee - Google Patents

Procede de stabilisation de carboxymethylcellulose irradiee

Info

Publication number
FR2523585B1
FR2523585B1 FR8304610A FR8304610A FR2523585B1 FR 2523585 B1 FR2523585 B1 FR 2523585B1 FR 8304610 A FR8304610 A FR 8304610A FR 8304610 A FR8304610 A FR 8304610A FR 2523585 B1 FR2523585 B1 FR 2523585B1
Authority
FR
France
Prior art keywords
carboxymethylcellulose
stabilizing
irradiated
stabilizing irradiated
irradiated carboxymethylcellulose
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
Application number
FR8304610A
Other languages
English (en)
Other versions
FR2523585A1 (fr
Inventor
Bernard Joseph Scheve
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.)
Hercules LLC
Original Assignee
Hercules LLC
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 Hercules LLC filed Critical Hercules LLC
Publication of FR2523585A1 publication Critical patent/FR2523585A1/fr
Application granted granted Critical
Publication of FR2523585B1 publication Critical patent/FR2523585B1/fr
Expired 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
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Medicinal Preparation (AREA)
FR8304610A 1982-03-18 1983-03-15 Procede de stabilisation de carboxymethylcellulose irradiee Expired FR2523585B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/359,553 US4420611A (en) 1982-03-18 1982-03-18 Stabilization of irradiated carboxymethyl cellulose

Publications (2)

Publication Number Publication Date
FR2523585A1 FR2523585A1 (fr) 1983-09-23
FR2523585B1 true FR2523585B1 (fr) 1988-01-15

Family

ID=23414317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8304610A Expired FR2523585B1 (fr) 1982-03-18 1983-03-15 Procede de stabilisation de carboxymethylcellulose irradiee

Country Status (7)

Country Link
US (1) US4420611A (fr)
JP (1) JPS58208301A (fr)
BR (1) BR8301337A (fr)
CA (1) CA1216815A (fr)
DE (1) DE3309465A1 (fr)
FR (1) FR2523585B1 (fr)
NL (1) NL8300939A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU679780B2 (en) * 1993-08-10 1997-07-10 Planet Polymer Technologies, Inc. Biodegradable compostable plastic and method of making the same
DE4434280C2 (de) * 1994-09-26 1998-09-10 Clariant Gmbh Verfahren zur Herstellung von niedermolekularen Celluloseethern und ihre Verwendung als Überzugsmaterial für feste Dosiereinheiten
US6383344B1 (en) * 2000-07-19 2002-05-07 Genzyme Corporation Molecular weight reduction of polymer using irradiation treatment
DE10117208A1 (de) * 2001-04-06 2002-10-10 Wolff Walsrode Ag Verfahren zur Herstellung von niederviskosen, wässrigen Celluloseetherlösungen
WO2016164616A1 (fr) * 2015-04-07 2016-10-13 Xyleco, Inc. Procédés et systèmes de surveillance pour traitement de biomasse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834040A (en) * 1929-11-08 1931-12-01 Wacker Chemie Gmbh Process for reducing the viscosity characteristics of cellulose ethers
US2383361A (en) * 1943-05-05 1945-08-21 Dow Chemical Co Stabilizing cellulose ethers
US3108890A (en) * 1960-05-23 1963-10-29 Dow Chemical Co Aqueous cellulosic compositions and method of making same
GB1086323A (en) * 1963-07-18 1967-10-11 Courtaulds Ltd Derivative of carboxy methyl cellulose
CH407034A (de) * 1964-03-13 1965-09-15 Heberlein & Co Ag Verfahren zur Entfernung von Energie aus mit ionisierenden Strahlen behandeltem cellulosehaltigem Textilgut
US3379721A (en) * 1964-10-12 1968-04-23 Hercules Inc Process of treating water-soluble alkali metal salts of cmc and product
DE1928046A1 (de) * 1968-06-13 1969-12-18 Dow Chemical Co Verfahren zur Herstellung von Zellulosederivaten mit niedrigem Viskositaetsgrad
US3728331A (en) * 1969-04-04 1973-04-17 Dow Chemical Co Process for reducing the viscosity of a cellulose ether with hydrogen peroxide
US4051306A (en) * 1972-03-27 1977-09-27 Owens-Illinois, Inc. Controlled environmental deterioration of plastics
JPS5317629B2 (fr) * 1972-09-14 1978-06-09
FR2204734B1 (fr) * 1972-10-27 1978-03-03 Anvar
DE2917104A1 (de) * 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung

Also Published As

Publication number Publication date
US4420611A (en) 1983-12-13
JPH0481B2 (fr) 1992-01-06
JPS58208301A (ja) 1983-12-05
NL8300939A (nl) 1983-10-17
DE3309465C2 (fr) 1990-12-13
CA1216815A (fr) 1987-01-20
DE3309465A1 (de) 1983-09-29
BR8301337A (pt) 1983-11-29
FR2523585A1 (fr) 1983-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse