ES2001648A6 - Procedimiento para la produccion en alcohol etilico de un acetato de polivinilo - Google Patents

Procedimiento para la produccion en alcohol etilico de un acetato de polivinilo

Info

Publication number
ES2001648A6
ES2001648A6 ES8601601A ES8601601A ES2001648A6 ES 2001648 A6 ES2001648 A6 ES 2001648A6 ES 8601601 A ES8601601 A ES 8601601A ES 8601601 A ES8601601 A ES 8601601A ES 2001648 A6 ES2001648 A6 ES 2001648A6
Authority
ES
Spain
Prior art keywords
ethyl alcohol
polyvinyl acetate
ethylalcohol
solution
acetate production
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
ES8601601A
Other languages
English (en)
Inventor
Paolo Carlin
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.)
Tecnoassistance Srl
Original Assignee
Tecnoassistance Srl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11319895&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2001648(A6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tecnoassistance Srl filed Critical Tecnoassistance Srl
Publication of ES2001648A6 publication Critical patent/ES2001648A6/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F18/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F18/02—Esters of monocarboxylic acids
    • C08F18/04—Vinyl esters
    • C08F18/08—Vinyl acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/02—Monomers containing chlorine
    • C08F14/04—Monomers containing two carbon atoms
    • C08F14/06—Vinyl chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA PRODUCCION EN ALCOHOL ETILICO DE UN ACETATO DE POLIVINILO, PARCIALMENTE HIDROLIZADO EN AMBIENTE ACIDO O BASICO, PREFERIBLEMENTE CON VALORES DE HIDROLISIS ENTRE 10 Y 55% MOL OH, ADECUADO PARA LA POLIMERIZACION DEL CLORURO DE VINILO MONOMERO EN SUSPENSION ACUOSA, EN EL QUE EL CORRESPONDIENTE PRODUCTO POLIMERIZADO ES LLEVADO A UNA CONDICION DE SOLUCION CON ALCOHOL ETILICO, DE MANERA QUE SE HALLE EN UNA RELACION EN PESO ACETATO DE VINILO MONOMERO/ALCOHOL ETILICO, RESPECTIVAMENTE ACETATO DE POLIVINILO/ALCOHOL ETILICO, INFERIOR A 0,7, A FIN DE OBTENER LA SEPARACION DE LA SOLUCION DE ACETATO DE POLIVINILO EN ALCOHOL ETILICO EN DOS FASES DISTINTAS, DE LAS QUE LA FASE INFERIOR ES UTILIZABLE PARA LA PRODUCCION DE MATERIALES DE PVC DE OPTIMAS CARACTERISTICAS FISICO-QUIMICAS Y MORFOLOGICAS Y QUE NO CONTIENEN RESIDUOS DE PRODUCTOS TOXICOS.
ES8601601A 1986-01-28 1986-08-13 Procedimiento para la produccion en alcohol etilico de un acetato de polivinilo Expired ES2001648A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT83309/86A IT1189869B (it) 1986-01-28 1986-01-28 Procedimento per la produzione in alcool etilico di un polivinile acetato

Publications (1)

Publication Number Publication Date
ES2001648A6 true ES2001648A6 (es) 1991-11-01

Family

ID=11319895

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8601601A Expired ES2001648A6 (es) 1986-01-28 1986-08-13 Procedimiento para la produccion en alcohol etilico de un acetato de polivinilo

Country Status (11)

Country Link
US (1) US4923922A (es)
EP (1) EP0230506A1 (es)
JP (1) JPS63502669A (es)
KR (1) KR880700828A (es)
AR (1) AR240564A1 (es)
AU (1) AU7023287A (es)
BR (1) BR8604369A (es)
ES (1) ES2001648A6 (es)
HU (1) HUT46347A (es)
IT (1) IT1189869B (es)
WO (1) WO1987004441A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1235098B (it) * 1989-06-15 1992-06-18 Francesco Carlin Procedimento per la produzione in emulsione acquosa di miscele di alcoli polivinilici e prodotti cosi' ottenuti.
US6962702B2 (en) 1998-06-22 2005-11-08 Immunomedics Inc. Production and use of novel peptide-based agents for use with bi-specific antibodies
DE10215961A1 (de) * 2002-04-11 2003-10-30 Wacker Polymer Systems Gmbh Verfahren zur Herstellung von Polyvinylester-Festharz

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR843622A (fr) * 1937-09-29 1939-07-06 Rohm & Haas Ag Polymérisats et méthacrylate de méthyle solides à la chaleur
US3234195A (en) * 1960-07-20 1966-02-08 Kurashiki Rayon Co Fractionation of polyvinyl alcohol
NL284714A (es) * 1961-10-27
DE1235591B (de) * 1964-04-15 1967-03-02 Hoechst Ag Verfahren zur Polymerisation von Vinylestern
US3523933A (en) * 1967-09-29 1970-08-11 Du Pont Production of partially alcoholyzed vinyl ester polymers
DE1720806C2 (de) * 1968-03-19 1982-09-23 Hoechst Ag, 6000 Frankfurt Verfahren zur kontinuierlichen Polymerisation von Vinylestern
US3598883A (en) * 1968-03-25 1971-08-10 Nippon Synthetic Chem Ind Polyvinyl alcohol composition
US3697495A (en) * 1970-08-05 1972-10-10 Du Pont Preparation of polyvinyl alcohol having improved color properties by treating the polyvinyl ester with ozone
JPS5217870B2 (es) * 1973-01-31 1977-05-18
IT1160355B (it) * 1978-12-15 1987-03-11 Sigma Italiana Prod Chimici Procedimento perfezionato per la produzione di cloruro di polivinile
DE3026144A1 (de) * 1980-07-10 1982-02-18 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von polyvinylalkohol und danach erhaltener polyvinylalkohol

Also Published As

Publication number Publication date
WO1987004441A1 (en) 1987-07-30
KR880700828A (ko) 1988-04-12
US4923922A (en) 1990-05-08
JPS63502669A (ja) 1988-10-06
AU7023287A (en) 1987-08-14
IT8683309A0 (it) 1986-01-28
IT1189869B (it) 1988-02-10
BR8604369A (pt) 1987-11-17
EP0230506A1 (en) 1987-08-05
AR240564A1 (es) 1990-05-31
HUT46347A (en) 1988-10-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001204