NL8300939A - Stabilisatie van het molecuulgewicht van bestraald natriumcarboxymethylcellulose. - Google Patents

Stabilisatie van het molecuulgewicht van bestraald natriumcarboxymethylcellulose. Download PDF

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Publication number
NL8300939A
NL8300939A NL8300939A NL8300939A NL8300939A NL 8300939 A NL8300939 A NL 8300939A NL 8300939 A NL8300939 A NL 8300939A NL 8300939 A NL8300939 A NL 8300939A NL 8300939 A NL8300939 A NL 8300939A
Authority
NL
Netherlands
Prior art keywords
cmc
irradiated
molecular weight
carboxymethyl cellulose
viscosity
Prior art date
Application number
NL8300939A
Other languages
English (en)
Dutch (nl)
Original Assignee
Hercules Inc
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 Inc filed Critical Hercules Inc
Publication of NL8300939A publication Critical patent/NL8300939A/nl

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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

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  • 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)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
NL8300939A 1982-03-18 1983-03-15 Stabilisatie van het molecuulgewicht van bestraald natriumcarboxymethylcellulose. NL8300939A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/359,553 US4420611A (en) 1982-03-18 1982-03-18 Stabilization of irradiated carboxymethyl cellulose
US35955382 1982-03-18

Publications (1)

Publication Number Publication Date
NL8300939A true NL8300939A (nl) 1983-10-17

Family

ID=23414317

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8300939A NL8300939A (nl) 1982-03-18 1983-03-15 Stabilisatie van het molecuulgewicht van bestraald natriumcarboxymethylcellulose.

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
EP0714419A4 (fr) * 1993-08-10 1996-11-13 Planet Polymer Tech Inc Plastique biodegradable et compostable et son procede d'obtention
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
EA201791931A1 (ru) * 2015-04-07 2018-03-30 Ксилеко, Инк. Способы и системы контроля для переработки биомассы

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
CA1216815A (fr) 1987-01-20
JPS58208301A (ja) 1983-12-05
BR8301337A (pt) 1983-11-29
US4420611A (en) 1983-12-13
DE3309465A1 (de) 1983-09-29
DE3309465C2 (fr) 1990-12-13
FR2523585A1 (fr) 1983-09-23
JPH0481B2 (fr) 1992-01-06
FR2523585B1 (fr) 1988-01-15

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed