ES8602054A1 - Procedimiento para la obtencion in situ de dispersiones o soluciones de poliisocianatos aromaticos coteniendo grupos urea. - Google Patents

Procedimiento para la obtencion in situ de dispersiones o soluciones de poliisocianatos aromaticos coteniendo grupos urea.

Info

Publication number
ES8602054A1
ES8602054A1 ES539098A ES539098A ES8602054A1 ES 8602054 A1 ES8602054 A1 ES 8602054A1 ES 539098 A ES539098 A ES 539098A ES 539098 A ES539098 A ES 539098A ES 8602054 A1 ES8602054 A1 ES 8602054A1
Authority
ES
Spain
Prior art keywords
polyols
dispersions
prepared according
groups containing
urea groups
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
ES539098A
Other languages
English (en)
Other versions
ES539098A0 (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.)
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
Publication of ES539098A0 publication Critical patent/ES539098A0/es
Publication of ES8602054A1 publication Critical patent/ES8602054A1/es
Expired 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7825—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing ureum groups
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8045—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with water

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)
  • Colloid Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE DISPERSIONES O SOLUCIONES DE POLIISOCIANATOS AROMATICOS CONTENIENDO GRUPOS UREA. CONSISTE EN HACER REACCIONAR POLIDES DI O POLIVALENTES, LIQUIDOS O DE BAJO PUNTO DE FUSION, DE MAYOR PESO MOLECULAR, CON PESOS MOLECULARES DE 400 HASTA 10.000, CON 0,15 HASTA 0,40 MOLES DE AGUA, REFERIDO AL EQUIVALENTE DE NCO, EN PRESENCIA DE 0,1 HASTA 2,5% EN PESO DE CATALIZADORES QUE ACELEREN LA REACCION NCO/AGUA EN UN MAYOR GRADO QUE LA REACCION NCO/HIDROXILO, A TEMPERARTURAS HASTA 80C, PREFERENTEMENTE ENTRE 10 Y 15C, HASTA TERMINAR LA DISOCIACION DE CO2. APLICADO EN LA OBTENCION DE MATERIALES SINTETICOS DE POLIURETANO/POLIUREA.
ES539098A 1983-12-28 1984-12-27 Procedimiento para la obtencion in situ de dispersiones o soluciones de poliisocianatos aromaticos coteniendo grupos urea. Expired ES8602054A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833347247 DE3347247A1 (de) 1983-12-28 1983-12-28 Verfahren zur in situ-herstellung von harnstoffgruppen-enthaltenden diisocyanaten in polyolen, dem verfahren entsprechende dispersionen oder loesungen sowie ihre verwendung

Publications (2)

Publication Number Publication Date
ES539098A0 ES539098A0 (es) 1985-11-16
ES8602054A1 true ES8602054A1 (es) 1985-11-16

Family

ID=6218255

Family Applications (1)

Application Number Title Priority Date Filing Date
ES539098A Expired ES8602054A1 (es) 1983-12-28 1984-12-27 Procedimiento para la obtencion in situ de dispersiones o soluciones de poliisocianatos aromaticos coteniendo grupos urea.

Country Status (6)

Country Link
US (2) US4605756A (es)
EP (1) EP0148462B1 (es)
JP (1) JPS60156713A (es)
CA (1) CA1225784A (es)
DE (2) DE3347247A1 (es)
ES (1) ES8602054A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347247A1 (de) * 1983-12-28 1985-07-11 Bayer Ag, 5090 Leverkusen Verfahren zur in situ-herstellung von harnstoffgruppen-enthaltenden diisocyanaten in polyolen, dem verfahren entsprechende dispersionen oder loesungen sowie ihre verwendung
DE3526233A1 (de) * 1985-07-23 1987-01-29 Bayer Ag Verfahren zur herstellung von harnstoff- und/oder biuretgruppen aufweisenden polyisocyanat-zubereitungen, die nach diesem verfahren erhaeltlichen polyisocyanat-zubereitungen und ihre verwendung als isocyanatkomponente bei der herstellung von kunststoffen nach dem isocyanat-polyadditionsverfahren
US4721751A (en) * 1987-03-26 1988-01-26 Ppg Industries, Inc. Polyurea-polyurethane acrylate dispersions
DE3826447A1 (de) * 1988-08-04 1990-02-08 Bayer Ag Mit langkettigen komponenten modifizierte, harnstoffgruppen enthaltende polysocyanate
US5183876A (en) * 1988-08-04 1993-02-02 Bayer Aktiengesellschaft Urea group-containing polyisocyanates modified with long chain compounds and a process for their preparation
DE19846650A1 (de) 1998-10-09 2000-04-13 Basf Coatings Ag Pulverlack-Slurry mit mikroverkapselten Partikeln, ihre Herstellung und ihre Verwendung
KR101420408B1 (ko) 2013-04-16 2014-07-16 고삼석 수성 세라믹 수지의 제조방법 및 수성 세라믹 수지를 이용한 외장용 수계도료의 제조방법 및 이를 이용한 도장 시공방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1103329A (fr) * 1953-06-30 1955-11-02 Du Pont Nouvelles urées substituées et leur procédé de préparation
US3023228A (en) * 1956-06-08 1962-02-27 Bayer Ag Production of urethane polyisocyanateurea diisocyanate mixtures
GB1051024A (es) * 1962-07-07
GB1064229A (en) * 1965-01-27 1967-04-05 United Elastic Corp Polyether urethanes
US3526652A (en) * 1966-08-05 1970-09-01 Mobay Chemical Corp Polyisocyanates-water reaction products
US3906019A (en) * 1974-04-25 1975-09-16 Gen Motors Corp Preparation of di(isocyanato-tolyl) urea
DE2902469A1 (de) * 1979-01-23 1980-07-31 Bayer Ag Suspensionen von isocyanatoharnstoffen in isocyanatpraepolymeren, ein verfahren zu ihrer herstellung, sowie ihre verwendung bei der herstellung von hochmolekularen polyurethankunststoffen
DE3347247A1 (de) * 1983-12-28 1985-07-11 Bayer Ag, 5090 Leverkusen Verfahren zur in situ-herstellung von harnstoffgruppen-enthaltenden diisocyanaten in polyolen, dem verfahren entsprechende dispersionen oder loesungen sowie ihre verwendung

Also Published As

Publication number Publication date
DE3347247A1 (de) 1985-07-11
JPH0354964B2 (es) 1991-08-21
US4766239A (en) 1988-08-23
DE3464613D1 (en) 1987-08-13
US4605756A (en) 1986-08-12
ES539098A0 (es) 1985-11-16
EP0148462A1 (de) 1985-07-17
EP0148462B1 (de) 1987-07-08
CA1225784A (en) 1987-08-18
JPS60156713A (ja) 1985-08-16

Similar Documents

Publication Publication Date Title
DK0707607T3 (da) Fremgangsmåde til fremstilling af fleksible skum
MY113411A (en) Process for making flexible foams
DE3479584D1 (en) Process for preparing a cellular polyurethane
NZ232938A (en) Preparation of soft flexible polyurethane foams using water containing non-crosslinked, water soluble organic polyelectrolyte
ES2170120T3 (es) Composicion de isocianato y procedimiento para preparar espumas flexibles a partir de la misma.
TW350853B (en) A process for preparing polyurethane elastomer from a soft-segment isocyanate-terminated prepolymer
SE8001585L (sv) Forfarande for framstellning av polyuretan med integral eller odelad hud
GR3030328T3 (en) Polyisocyanate mixtures which are liquid above 5 C.
ES8602054A1 (es) Procedimiento para la obtencion in situ de dispersiones o soluciones de poliisocianatos aromaticos coteniendo grupos urea.
EP0252425A3 (en) Low melting urethane linked toluenediisocyanates
DE59209879D1 (de) Verwendung von 3,(4)-substituierten Pyrrolidinen als Katalysatoren für das Polyisocyanatpolyadditionsverfahren sowie Verfahren zur Herstellung von Polyurethan(harnstoff)en
GB1450523A (en) Process for the production of polyisocyanates 2,4,6-tri
MY110549A (en) Polyurethane foams
SE8304462L (sv) Berarmedium for immobiliserade mikroorganismer
EP0361937A3 (en) Process for preparing polyurea or polyurethane/urea foam
MY132712A (en) Process for preparing a flexible foam
ES8706743A1 (es) Procedimiento para modificar poliisocianatos organicos.
TW344758B (en) Moulded bodies comprising a humus-containing plant substrate consolidated with polyurethane/polyurea, a process for producing them and their use in plant cultivation
ES2096856T3 (es) Proceso para la preparacion de espumas flexibles.
EP0320703A3 (en) Process for the preparation of biuret polyisocyanates, compounds obtained by this process and use
GB8700918D0 (en) Polyester polyols
DE3062418D1 (en) Urea groups-containing diisocyanates, optionally dissolved in nco-prepolymers, a process for preparing same as well as their use in the production of polyurethane resins
MX9708811A (es) Espumas de poliuretano rigidas.
JPS56159212A (en) Production of liquid aliphatic urethane prepolymer bearing isocyanate groups on both terminals
GB1358519A (en) Process for the production of foams

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001