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ES8800997A1 - PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE - Google Patents

PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE

Info

Publication number
ES8800997A1
ES8800997A1 ES551947A ES551947A ES8800997A1 ES 8800997 A1 ES8800997 A1 ES 8800997A1 ES 551947 A ES551947 A ES 551947A ES 551947 A ES551947 A ES 551947A ES 8800997 A1 ES8800997 A1 ES 8800997A1
Authority
ES
Spain
Prior art keywords
procedure
solution
cellulose
regulated
based article
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
ES551947A
Other languages
Spanish (es)
Other versions
ES551947A0 (en
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.)
Michelin Recherche et Technique SA Switzerland
Original Assignee
Michelin Recherche et Technique SA Switzerland
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 Michelin Recherche et Technique SA Switzerland filed Critical Michelin Recherche et Technique SA Switzerland
Priority to ES551947A priority Critical patent/ES8800997A1/en
Publication of ES8800997A1 publication Critical patent/ES8800997A1/en
Publication of ES551947A0 publication Critical patent/ES551947A0/en
Expired legal-status Critical Current

Links

Landscapes

  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE UN ARTICULO A BASE DE CELULOSA REGENERADA. COMPRENDE LAS OPERACIONES DE PREPARAR UN ARTICULO A BASE DE AL MENOS UN DERIVADO CELULOSICO QUE COMPRENDE GRUPOS ESTER DE CELULOSA, SIENDO AL MENOS UNA PARTE DE LOS GRUPOS ESTER, GRUPOS FORMIATO, Y ESTANDO DICHO DERIVADO CELULOSICO EN UNA SOLUCION ANISOTROPA SUSCEPTIBLE DE PROPORCIONAR FIBRAS O PELICULAS; Y DE REGENERAR AL MENOS EN PARTE LA CELULOSA DEL ARTICULO ASI OBTENIDO. LA SOLUCION ANISOTROPA SE PREPARA MEZCLANDO UN MATERIAL CELULOSICO, UN MATERIAL CONSTITUIDO POR AL MENOS UN COMPUESTO ESCOGIDO ENTRE ACIDOS ORGANICOS MONOCARBOXILICOS, ANHIDRIDOS Y HALOGENUROS DE ESTOS ACIDOS, Y UN MATERIAL CONSTITUIDO POR ANHIDRIDO FOSFORICO.PROCEDURE FOR OBTAINING AN ARTICLE BASED ON REGENERATED CELLULOSE. IT INCLUDES THE OPERATIONS OF PREPARING AN ARTICLE BASED ON AT LEAST ONE CELLULOSIC DERIVATIVE THAT INCLUDES ESTER GROUPS OF CELLULOSE, BEING AT LEAST A PART OF THE ESTER GROUPS, FORMAT GROUPS, AND SAID CELLULOSIC DERIVATIVE BEING IN AN ANISOTROP SOLUTION OF PELLULOSE PELLULOSE SOLUTION. ; AND TO REGENERATE AT LEAST PART OF THE CELLULOSE OF THE ARTICLE SO OBTAINED. THE ANISOTROPICAL SOLUTION IS PREPARED BY MIXING A CELLULOSIC MATERIAL, A MATERIAL CONSTITUTED BY AT LEAST ONE COMPOUND CHOSEN FROM MONOCARBOXYL ORGANIC ACIDS, ANHYDRIDES AND HALOGENIDE OF THESE ACIDS, AND A CONSTITUTE FOSTER MATERIAL.

ES551947A 1986-02-13 1986-02-13 PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE Expired ES8800997A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES551947A ES8800997A1 (en) 1986-02-13 1986-02-13 PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES551947A ES8800997A1 (en) 1986-02-13 1986-02-13 PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE

Publications (2)

Publication Number Publication Date
ES8800997A1 true ES8800997A1 (en) 1987-12-01
ES551947A0 ES551947A0 (en) 1987-12-01

Family

ID=8490861

Family Applications (1)

Application Number Title Priority Date Filing Date
ES551947A Expired ES8800997A1 (en) 1986-02-13 1986-02-13 PROCEDURE TO OBTAIN A REGULATED CELLULOSE BASED ARTICLE

Country Status (1)

Country Link
ES (1) ES8800997A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094137C (en) * 1994-01-26 2002-11-13 米什兰研究和技术股份公司 Compositions containing cellulose formate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094137C (en) * 1994-01-26 2002-11-13 米什兰研究和技术股份公司 Compositions containing cellulose formate

Also Published As

Publication number Publication date
ES551947A0 (en) 1987-12-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20071024