ES2148397T3 - Procedimiento continuo para la preparacion de polioles polimericos de baja viscosidad, finamente divididos, muy estables, de pequeño tamaño medio de particulas. - Google Patents

Procedimiento continuo para la preparacion de polioles polimericos de baja viscosidad, finamente divididos, muy estables, de pequeño tamaño medio de particulas.

Info

Publication number
ES2148397T3
ES2148397T3 ES95115940T ES95115940T ES2148397T3 ES 2148397 T3 ES2148397 T3 ES 2148397T3 ES 95115940 T ES95115940 T ES 95115940T ES 95115940 T ES95115940 T ES 95115940T ES 2148397 T3 ES2148397 T3 ES 2148397T3
Authority
ES
Spain
Prior art keywords
around
preparation
low viscosity
mixture
polyol
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 - Lifetime
Application number
ES95115940T
Other languages
English (en)
Inventor
Mark R Dr Kratz
Manfred Dr Dietrich
Torsten Dr Heinemann
Gundolf Dr Jacobs
Josef Dr Sanders
Helmut Dr Woynar
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.)
Bayer AG
Original Assignee
Bayer 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
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2148397T3 publication Critical patent/ES2148397T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/635—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto unsaturated polymers
    • 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
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0016—Foam properties semi-rigid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Graft Or Block Polymers (AREA)
  • Polymerisation Methods In General (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyethers (AREA)

Abstract

UN PROCESO CONTINUO PARA LA PREPARACION DE POLIOLES DE POLIMERO ALTAMENTE ESTABLES, FINAMENTE DIVIDIDOS DE BAJA VISCOSIDAD DE TAMAÑO DE PARTICULA DE PROMEDIO PEQUEÑO EN DONDE EN EL PRIMER PASO SE PREPARA UN INTERMEDIARIO MEDIANTE LA REACCION DE (1) UNA MEZCLA DE ESTIRENO Y ACRILONITRILO EN UNA MEZCLA DE (2) UN POLIOXIALQUILENO POLIETER POLIOL Y (3) UN MACROMERO EN PRESENCIA DE (4) UN INICIADOR DE RADICALES LIBRES, (5) UN SOLVENTE CON UNA ACTIVIDAD DE TRASPASO DE CADENA MODERADA Y OPCIONALMENTE (6) UN MODERADOR DE REACCION A UNA TEMPERATURA DE AL MENOS 100 C , DE MODO QUE EL INTERMEDIARIO CONTENGA UN ALTO NIVEL DE MACROMERO, AL MENOS ALREDEDOR DEL 12% Y PREFERIBLEMENTE AL MENOS ALREDEDOR DEL 15% CON RESPECTO A LA MEZCLA DE POLIOL Y EL CONTENIDO DE SOLIDOS DEL INTERMEDIARIO ES MENOR QUE ALREDEDOR DEL 30%, PREFERIBLEMENTE INFERIOR A ALREDEDOR DEL 25% Y AL MENOS ALREDEDOR DEL 15% EN PESO., EL INTERMEDIARIO, QUE FUNCIONA COMO UNA SEMILLA PARA POLIMERIZACION POSTERIOR, SE HACE REACCIONAR A CONTINUACION EN UNO O MAS REACTORES DE DEPOSITO EXCITADO EN SERIE CON UNA MEZCLA DE ESTIRENO Y ACRILONITRILO EN UN POLIOL Y OPCIONALMENTE UN MACROMERO EN PRESENCIA DE SOLVENTE, INICIADOR Y UN MODERADOR DE REACCION QUE ESTAN DISTRIBUIDOS ENTRE LOS REACTORES RESTANTES.
ES95115940T 1995-10-10 1995-10-10 Procedimiento continuo para la preparacion de polioles polimericos de baja viscosidad, finamente divididos, muy estables, de pequeño tamaño medio de particulas. Expired - Lifetime ES2148397T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95115940A EP0768324B1 (en) 1995-10-10 1995-10-10 Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size

Publications (1)

Publication Number Publication Date
ES2148397T3 true ES2148397T3 (es) 2000-10-16

Family

ID=8219706

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95115940T Expired - Lifetime ES2148397T3 (es) 1995-10-10 1995-10-10 Procedimiento continuo para la preparacion de polioles polimericos de baja viscosidad, finamente divididos, muy estables, de pequeño tamaño medio de particulas.

Country Status (11)

Country Link
US (1) US5814699A (es)
EP (1) EP0768324B1 (es)
JP (1) JPH09124750A (es)
KR (1) KR100433147B1 (es)
CN (1) CN1069654C (es)
BR (1) BR9605032A (es)
CA (1) CA2187125A1 (es)
DE (1) DE69518423T2 (es)
ES (1) ES2148397T3 (es)
MX (1) MX9604686A (es)
TW (1) TW375618B (es)

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US20050239968A1 (en) * 2004-04-23 2005-10-27 Heyman Duane A Process for preparing graft polyols using enol ethers as reaction moderators
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EP1921113B1 (en) 2005-07-07 2020-01-08 Sanyo Chemical Industries, Ltd. Polyol composition containing fine particles dispersed therein, process for production of polymeric polyols, and process for production of polyurethane resins
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WO2015165761A1 (en) * 2014-04-30 2015-11-05 Basf Se Process for making a polymer polyol
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CN105585652B (zh) * 2014-10-20 2018-12-04 中国石油化工股份有限公司 预制稳定剂的制备方法及由其制备聚合物多元醇的方法
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CN106589251B (zh) * 2015-10-20 2019-04-12 中国石油化工集团公司 一种连续制备聚合物多元醇的方法
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CN108559033B (zh) * 2018-04-10 2021-02-26 长华化学科技股份有限公司 大分子稳定剂预聚体的制备方法
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CN112851878A (zh) * 2021-01-08 2021-05-28 福建省天骄化学材料有限公司 一种高固含量聚合物多元醇及其制备方法
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Also Published As

Publication number Publication date
CN1069654C (zh) 2001-08-15
CN1160061A (zh) 1997-09-24
EP0768324A1 (en) 1997-04-16
TW375618B (en) 1999-12-01
BR9605032A (pt) 1998-06-30
MX9604686A (es) 1998-04-30
CA2187125A1 (en) 1997-04-11
DE69518423T2 (de) 2000-12-14
DE69518423D1 (de) 2000-09-21
JPH09124750A (ja) 1997-05-13
EP0768324B1 (en) 2000-08-16
KR970021113A (ko) 1997-05-28
KR100433147B1 (ko) 2004-09-24
US5814699A (en) 1998-09-29

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