ES8105750A1 - Procedimiento para la xantacion de celulosa alcalina - Google Patents

Procedimiento para la xantacion de celulosa alcalina

Info

Publication number
ES8105750A1
ES8105750A1 ES492356A ES492356A ES8105750A1 ES 8105750 A1 ES8105750 A1 ES 8105750A1 ES 492356 A ES492356 A ES 492356A ES 492356 A ES492356 A ES 492356A ES 8105750 A1 ES8105750 A1 ES 8105750A1
Authority
ES
Spain
Prior art keywords
viscose
cellulose
alkali
sulphur
substitution degree
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
ES492356A
Other languages
English (en)
Other versions
ES492356A0 (es
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of ES492356A0 publication Critical patent/ES492356A0/es
Publication of ES8105750A1 publication Critical patent/ES8105750A1/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • 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

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)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

PROCEDIMIENTO PARA LA XANTACION DE CELULOSA ALCALINA. UNA DISOLUCION ALCALINA DE CELULOSA SE HACE REACCIONAR CON EXCESO DE SULFURO DE CARBONO A PRESIONES Y TEMPERATURAS CRECIENTES, DESDE 110 HASTA 400-500 MM. DE MERCURIO Y DESDE 21 A 23-25 GC. UNA VEZ ALCANZADO EL GRADO DE SUSTITUCION DESEADO DEL XANTATO SE INTRODUCE UN GAS INERTE Y EL EXCESO DE SULFURO DE CARBONO SE ELIMINA POR APLICACION DE VACIO. LAS DISOLUCIONES ALCALINAS DE XANTATO DE CELULOSA SE UTILIZAN PARA HILADO DE VISCOSA EN LA PRODUCCION DE HILO DE RAYON.
ES492356A 1979-06-15 1980-06-12 Procedimiento para la xantacion de celulosa alcalina Expired ES8105750A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23657/79A IT1121810B (it) 1979-06-15 1979-06-15 Procedimento migliorate per la preparazione di viscosa e procedimento di filatura della viscosa cosi'ottenuta

Publications (2)

Publication Number Publication Date
ES492356A0 ES492356A0 (es) 1981-06-01
ES8105750A1 true ES8105750A1 (es) 1981-06-01

Family

ID=11208936

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492356A Expired ES8105750A1 (es) 1979-06-15 1980-06-12 Procedimiento para la xantacion de celulosa alcalina

Country Status (14)

Country Link
US (1) US4368078A (es)
JP (1) JPS562301A (es)
KR (1) KR840001625B1 (es)
AR (1) AR221647A1 (es)
BR (1) BR8003703A (es)
ES (1) ES8105750A1 (es)
FR (1) FR2459250B1 (es)
GB (1) GB2052510B (es)
GR (1) GR69237B (es)
IN (1) IN153907B (es)
IT (1) IT1121810B (es)
PT (1) PT71377A (es)
RO (1) RO80086A (es)
TR (1) TR21184A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383962A (en) * 1979-09-27 1983-05-17 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing viscose rayon filament yarn
DE69816825T2 (de) 1997-05-21 2004-05-27 Turbotak Technologies Inc., Waterloo Entfernung von verunreinigungen aus abgasen der produktion von viskosefasern
US7108907B1 (en) * 1999-11-08 2006-09-19 Asahi Kasei Kabushiki Kaisha Cellulose dope and method for producing the same
JP3687962B2 (ja) * 2001-09-19 2005-08-24 有限会社勝山テクノス 筍の皮の利用方法
WO2003027370A1 (fr) * 2001-09-19 2003-04-03 Katsuyama Technos Ltd. Fil et etoffe contenant de la peau de bambou et procede de fabrication de ce fil et de cette etoffe
US7280004B2 (en) 2005-04-14 2007-10-09 Ems Technologies, Inc. Latching ferrite waveguide circulator without E-plane air gaps
GB2493491B (en) * 2011-05-20 2016-01-20 Innovia Films Ltd Process
GB2493489A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for making cellulose film
AT514001B1 (de) * 2012-12-06 2016-03-15 Chemiefaser Lenzing Ag Verfahren zur Herstellung eines cellulosischen Formkörpers
CN115821408A (zh) * 2022-12-06 2023-03-21 金光纤维(江苏)有限公司 一种降低二硫化碳消耗的粘胶短纤维生产方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB273280A (en) * 1927-06-14 1928-09-14 Jacques Marc Bernard Processes for the preparation of the cellulose compounds designated as "viscose"
US2629714A (en) * 1949-10-12 1953-02-24 Du Pont Short stop xanthation
US2592355A (en) * 1949-11-21 1952-04-08 Tachikawa Shozo Process for manufacturing macromolecular cellulose fiber
US3395140A (en) * 1966-05-02 1968-07-30 American Enka Corp Shortening time required for xanthatecaustic slurry formation
US3835113A (en) * 1972-12-26 1974-09-10 Tee Pak Inc Preparation of viscose
US4076934A (en) * 1976-10-22 1978-02-28 Olin Corporation Method for controlling oxygen level during continuous xanthation of alkali cellulose

Also Published As

Publication number Publication date
TR21184A (tr) 1983-12-06
GB2052510A (en) 1981-01-28
FR2459250B1 (fr) 1985-08-23
GR69237B (es) 1982-05-11
JPH024688B2 (es) 1990-01-30
IT7923657A0 (it) 1979-06-15
RO80086B (ro) 1983-01-30
BR8003703A (pt) 1981-01-13
IT1121810B (it) 1986-04-23
KR830002920A (ko) 1983-05-31
JPS562301A (en) 1981-01-12
IN153907B (es) 1984-08-25
AR221647A1 (es) 1981-02-27
GB2052510B (en) 1983-04-07
PT71377A (en) 1980-07-01
KR840001625B1 (ko) 1984-10-12
ES492356A0 (es) 1981-06-01
RO80086A (ro) 1983-02-01
US4368078A (en) 1983-01-11
FR2459250A1 (fr) 1981-01-09

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