FR2291214A2 - Perfectionnement apporte a la fabrication de viscose - Google Patents

Perfectionnement apporte a la fabrication de viscose

Info

Publication number
FR2291214A2
FR2291214A2 FR7514323A FR7514323A FR2291214A2 FR 2291214 A2 FR2291214 A2 FR 2291214A2 FR 7514323 A FR7514323 A FR 7514323A FR 7514323 A FR7514323 A FR 7514323A FR 2291214 A2 FR2291214 A2 FR 2291214A2
Authority
FR
France
Prior art keywords
viscose
improvement
manufacturing
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
FR7514323A
Other languages
English (en)
Other versions
FR2291214B2 (fr
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2291214A2 publication Critical patent/FR2291214A2/fr
Application granted granted Critical
Publication of FR2291214B2 publication Critical patent/FR2291214B2/fr
Granted 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
    • C08B9/00—Cellulose xanthate; Viscose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose
FR7514323A 1974-05-08 1975-05-07 Perfectionnement apporte a la fabrication de viscose Granted FR2291214A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US468196A US3914130A (en) 1974-05-08 1974-05-08 Process for adding particulate cellulose to alkali cellulose

Publications (2)

Publication Number Publication Date
FR2291214A2 true FR2291214A2 (fr) 1976-06-11
FR2291214B2 FR2291214B2 (fr) 1978-02-03

Family

ID=23858807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514323A Granted FR2291214A2 (fr) 1974-05-08 1975-05-07 Perfectionnement apporte a la fabrication de viscose

Country Status (9)

Country Link
US (1) US3914130A (fr)
JP (1) JPS50153086A (fr)
AR (1) AR206344A1 (fr)
BE (1) BE828848R (fr)
CA (1) CA1045755A (fr)
DE (1) DE2520484A1 (fr)
FR (1) FR2291214A2 (fr)
GB (1) GB1452243A (fr)
IT (1) IT1046397B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136255A (en) * 1977-10-03 1979-01-23 Akzona Incorporated Process for making solutions of cellulosic compounds
US4145533A (en) * 1978-07-26 1979-03-20 Olin Corporation Method for recycling regenerated cellulose scrap
DE2845116A1 (de) * 1978-10-17 1980-04-30 Kloeckner Humboldt Deutz Ag Verfahren zum entschwefelnden frischen schmelzfluessiger metall- schwefelverbindungen
US4254258A (en) * 1979-03-28 1981-03-03 Texas A & M University System Process for the preparation of cellulose ether derivatives
EP0066817B1 (fr) * 1981-05-29 1986-11-12 Asahi Kasei Kogyo Kabushiki Kaisha Combustible mélangé
US4373098A (en) * 1981-08-20 1983-02-08 E. I. Du Pont De Nemours And Company Process for converting cellulose directly into alkali cellulose
AT515152B1 (de) 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
AT517020B1 (de) 2015-02-06 2020-02-15 Chemiefaser Lenzing Ag Recycling von cellulosischen Kunstfasern

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2077164A (en) * 1934-01-23 1937-04-13 Brandes Rudolf Preliminary maturing of alkalicellulose
US2172109A (en) * 1936-10-15 1939-09-05 Sylvania Ind Corp Alkali soluble cellulose ethers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1552422A (en) * 1923-06-08 1925-09-08 Charles H Dasher Translucent film
US2392269A (en) * 1943-09-10 1946-01-01 Du Pont Method and apparatus for the production of alkali cellulose
US3817983A (en) * 1972-05-01 1974-06-18 Du Pont Process using diverse types of cellulose for preparing viscose

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2077164A (en) * 1934-01-23 1937-04-13 Brandes Rudolf Preliminary maturing of alkalicellulose
US2172109A (en) * 1936-10-15 1939-09-05 Sylvania Ind Corp Alkali soluble cellulose ethers

Also Published As

Publication number Publication date
GB1452243A (en) 1976-10-13
JPS50153086A (fr) 1975-12-09
FR2291214B2 (fr) 1978-02-03
CA1045755A (fr) 1979-01-09
BE828848R (fr) 1975-11-07
DE2520484A1 (de) 1975-11-13
AR206344A1 (es) 1976-07-15
IT1046397B (it) 1980-06-30
US3914130A (en) 1975-10-21

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