ES8604992A1 - Procedimiento de preparacion de una solucion hilable para laobtencion de fibras textiles artificiales,a partir de una pasta de celulosa derivada de la madera - Google Patents

Procedimiento de preparacion de una solucion hilable para laobtencion de fibras textiles artificiales,a partir de una pasta de celulosa derivada de la madera

Info

Publication number
ES8604992A1
ES8604992A1 ES547919A ES547919A ES8604992A1 ES 8604992 A1 ES8604992 A1 ES 8604992A1 ES 547919 A ES547919 A ES 547919A ES 547919 A ES547919 A ES 547919A ES 8604992 A1 ES8604992 A1 ES 8604992A1
Authority
ES
Spain
Prior art keywords
pulp
enzymatic preparation
activity
degrees
chemical use
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
ES547919A
Other languages
English (en)
Other versions
ES547919A0 (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.)
Cellulose du Pin SA
Original Assignee
Cellulose du Pin SA
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 Cellulose du Pin SA filed Critical Cellulose du Pin SA
Publication of ES547919A0 publication Critical patent/ES547919A0/es
Publication of ES8604992A1 publication Critical patent/ES8604992A1/es
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
    • C08B9/00—Cellulose xanthate; Viscose
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • 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

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE UNA DISOLUCION HILABLE DESTINADA A LA FABRICACION DE FIBRAS TEXTILES ARTIFICIALES, TALES COMO LAS VISCOSAS, A PARTIR DE UNA PASTA DE CELULOSA DERIVADA DE LA MADERA. COMPRENDE LAS SIGUIENTES ETAPAS: PRIMERA, SE PREPARA UNA PASTA PARA USO QUIMICO; SEGUNDA, SE FORMA UN ALCALI-CELULOSA Y SE MADURA DICHO ALCALI-CELULOSA POR OXIDACION Y ALMACENAMIENTO; TERCERA, SE SOMETE A UN PROCESO DE SULFURACION AL ALCALI-CELULOSA; Y POR ULTIMO, A LA CELULOSA PUESTA EN DISOLUCION EN LA SOSA Y ANTES DE LA ETAPA DE MADURACION, SE LE AGREGA UNA PREPARACION ENZIMATICA BASADA EN CELULOSAS FUNGICAS.
ES547919A 1984-10-17 1985-10-16 Procedimiento de preparacion de una solucion hilable para laobtencion de fibras textiles artificiales,a partir de una pasta de celulosa derivada de la madera Expired ES8604992A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8415886A FR2571738B1 (fr) 1984-10-17 1984-10-17 Fabrication enzymatique de pate a usage chimique

Publications (2)

Publication Number Publication Date
ES547919A0 ES547919A0 (es) 1986-03-16
ES8604992A1 true ES8604992A1 (es) 1986-03-16

Family

ID=9308728

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547919A Expired ES8604992A1 (es) 1984-10-17 1985-10-16 Procedimiento de preparacion de una solucion hilable para laobtencion de fibras textiles artificiales,a partir de una pasta de celulosa derivada de la madera

Country Status (8)

Country Link
EP (1) EP0181249B1 (es)
JP (1) JPS61174414A (es)
AT (1) ATE43875T1 (es)
DE (1) DE3570897D1 (es)
ES (1) ES8604992A1 (es)
FI (1) FI86080C (es)
FR (1) FR2571738B1 (es)
NO (1) NO163698C (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59504933D1 (de) * 1994-11-03 1999-03-04 Ostthueringische Materialpruef Formkörper aus regenerierter cellulose und verfahren zu seiner herstellung
US6066233A (en) * 1996-08-16 2000-05-23 International Paper Company Method of improving pulp freeness using cellulase and pectinase enzymes
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan
US6013563A (en) 1997-05-12 2000-01-11 Silicon Genesis Corporation Controlled cleaning process
US6291313B1 (en) 1997-05-12 2001-09-18 Silicon Genesis Corporation Method and device for controlled cleaving process
US6033974A (en) 1997-05-12 2000-03-07 Silicon Genesis Corporation Method for controlled cleaving process
US6027988A (en) * 1997-05-28 2000-02-22 The Regents Of The University Of California Method of separating films from bulk substrates by plasma immersion ion implantation
WO1999016960A1 (en) * 1997-10-01 1999-04-08 Weyerhaeuser Company Cellulose treatment and the resulting product
US6263941B1 (en) 1999-08-10 2001-07-24 Silicon Genesis Corporation Nozzle for cleaving substrates
US9362439B2 (en) 2008-05-07 2016-06-07 Silicon Genesis Corporation Layer transfer of films utilizing controlled shear region
US8993410B2 (en) 2006-09-08 2015-03-31 Silicon Genesis Corporation Substrate cleaving under controlled stress conditions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950729A1 (de) * 1968-10-24 1970-06-18 Forsch Die Gaerungsindustrie E Verfahren zur enzymatischen Hydrolyse von zellulosehaltigen Ausgangsmaterialien
US3728330A (en) * 1971-06-02 1973-04-17 B Nizovsky Process for manufacturing cellulose xanthate and viscose prepared from said cellulose xanthate
SU507677A1 (ru) * 1972-06-02 1976-03-25 Белорусский технологический институт им. С.М.Кирова Способ получени целлюлозы
US4427778A (en) * 1982-06-29 1984-01-24 Biochem Technology, Inc. Enzymatic preparation of particulate cellulose for tablet making

Also Published As

Publication number Publication date
NO163698B (no) 1990-03-26
ES547919A0 (es) 1986-03-16
NO854114L (no) 1986-04-18
FI854033L (fi) 1986-04-18
DE3570897D1 (en) 1989-07-13
FR2571738A1 (fr) 1986-04-18
EP0181249A1 (fr) 1986-05-14
JPS61174414A (ja) 1986-08-06
FI854033A0 (fi) 1985-10-16
FR2571738B1 (fr) 1987-08-21
EP0181249B1 (fr) 1989-06-07
FI86080C (fi) 1992-07-10
FI86080B (fi) 1992-03-31
ATE43875T1 (de) 1989-06-15
NO163698C (no) 1990-07-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20051212