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ES478736A1 - Procedimiento para la preparacion de un granulado de poli( alcohol vinilico) que contiene agente plasificante. - Google Patents

Procedimiento para la preparacion de un granulado de poli( alcohol vinilico) que contiene agente plasificante.

Info

Publication number
ES478736A1
ES478736A1 ES478736A ES478736A ES478736A1 ES 478736 A1 ES478736 A1 ES 478736A1 ES 478736 A ES478736 A ES 478736A ES 478736 A ES478736 A ES 478736A ES 478736 A1 ES478736 A1 ES 478736A1
Authority
ES
Spain
Prior art keywords
polyvinyl alcohol
plasticizer
temperature
preparation
pellets containing
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
ES478736A
Other languages
English (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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Priority claimed from DE19782812684 external-priority patent/DE2812684A1/de
Priority claimed from DE19782841238 external-priority patent/DE2841238A1/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of ES478736A1 publication Critical patent/ES478736A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/18—Plasticising macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0016—Plasticisers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00—Characterised by the use of homopolymers or 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 alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

Procedimiento para la preparación de un granulado de poli(alcohol vinilico), que contiene agente plastificante, capaz de fluir, no pegajoso mediante mezclado de un granulado de poli (alcohol vinílico) con un agente plastificante, que se caracteriza porque 100 paraes en peso de un granulado de poli(alcohol vílico) seco, que consta en por lo menos un 70 por ciento en peso de partículas con un diámetro de 0,4 hasta 4mm , con 5 hasta 50 partes en peso de un agente plastificante eventualmente en presencia de 1 hasta 15 partes en peso de un compuesto orgánico divido finamente, soluble o dispersable en agua de alto peso molecular que consta de partículas con diámetro de como máximo 300 micras, en presencia de una cantidad tal de agua que en condiciones normales no basta para la disolución del poli (alcohol vinílico), son mezclados entre si intensa y homogéneamente y la temperatura de la mezcla se eleva durante el proceso de mezcla y baja de nuevo de tal manera que las partículas de poli (alcohol vinílico) se hinchan y se aglomeran pasajeramente.
ES478736A 1978-03-23 1979-03-16 Procedimiento para la preparacion de un granulado de poli( alcohol vinilico) que contiene agente plasificante. Expired ES478736A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782812684 DE2812684A1 (de) 1978-03-23 1978-03-23 Weichmacherhaltiges polyvinylalkohol-granulat
DE19782841238 DE2841238A1 (de) 1978-09-22 1978-09-22 Weichmacherhaltiges polyvinylalkohol- granulat

Publications (1)

Publication Number Publication Date
ES478736A1 true ES478736A1 (es) 1979-06-01

Family

ID=25774132

Family Applications (1)

Application Number Title Priority Date Filing Date
ES478736A Expired ES478736A1 (es) 1978-03-23 1979-03-16 Procedimiento para la preparacion de un granulado de poli( alcohol vinilico) que contiene agente plasificante.

Country Status (11)

Country Link
US (2) US4323492A (es)
EP (1) EP0004587B1 (es)
JP (1) JPS54131654A (es)
AT (1) AT366079B (es)
CA (1) CA1125446A (es)
DE (1) DE2964688D1 (es)
DK (1) DK118979A (es)
ES (1) ES478736A1 (es)
FI (1) FI790964A7 (es)
MX (1) MX150450A (es)
NO (1) NO790973L (es)

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IT1140254B (it) * 1981-10-30 1986-09-24 Pietro Cattaneo Composizione termoplastica a base di alcool polivinilico atta ad essere sottoposta come tale ai comuni metodi di formatura a caldo di materiali termoplastici,quali stampaggio ed estrusione,per la produzione di manufatti,e manufatti cosi' prodotti
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DE3235189A1 (de) * 1982-09-23 1984-03-29 Hoechst Ag, 6230 Frankfurt Polymer-granulat, verfahren zu seiner herstellung und seine verwendung
US4478971A (en) * 1983-07-08 1984-10-23 Shakespeare Company High temperature extruded polyvinyl alcohol monofilament and process for the preparation thereof
DE3410241A1 (de) * 1984-03-21 1985-10-03 Hoechst Ag, 6230 Frankfurt Thermoplastisch verarbeitbare polyvinylalkohol-kompositionen, verfahren zu ihrer herstellung und daraus hergestellte folien und formteile
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Also Published As

Publication number Publication date
AT366079B (de) 1982-03-10
EP0004587B1 (de) 1983-02-09
EP0004587A3 (en) 1979-10-31
FI790964A7 (fi) 1979-09-24
NO790973L (no) 1979-09-25
US4323492A (en) 1982-04-06
MX150450A (es) 1984-05-09
DK118979A (da) 1979-09-24
DE2964688D1 (en) 1983-03-17
US4542178A (en) 1985-09-17
JPS6343424B2 (es) 1988-08-30
ATA207579A (de) 1981-07-15
EP0004587A2 (de) 1979-10-17
JPS54131654A (en) 1979-10-12
CA1125446A (en) 1982-06-08

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Effective date: 20000601