ES471695A1 - Procedimiento para la obtencion de elastomeros de poliureta-no-urea - Google Patents

Procedimiento para la obtencion de elastomeros de poliureta-no-urea

Info

Publication number
ES471695A1
ES471695A1 ES471695A ES471695A ES471695A1 ES 471695 A1 ES471695 A1 ES 471695A1 ES 471695 A ES471695 A ES 471695A ES 471695 A ES471695 A ES 471695A ES 471695 A1 ES471695 A1 ES 471695A1
Authority
ES
Spain
Prior art keywords
polyurethane
possessing
urea elastomers
cycloaliphatic
preparation
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
ES471695A
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of ES471695A1 publication Critical patent/ES471695A1/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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

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)

Abstract

Procedimiento para la obtención de elastómeros de poliuretano-urea, caracterizado porque comprende las etapas de: A) hacer reaccionar, a temperaturas de 80 - 150ºC, compuestos de polihidroxilo esencialmente disfuncionales con pesos moleculares de 600 a 10.000, en caso dado compuestos de polihidroxilo de peso molecular por debajo de 300, con diisocianatos orgánicos con al menos un grupo NCO cicloalifático en la relación de OH total: grupos NCO de 1:1,2 hasta 1:10, durante un tiempo que oscila entre 30 minutos y varias horas en función de la temperatura, proporción molar y catalizador; B) hacer reaccionar el prepolímero con grupos NCO finales cicloalifáticos, obtenido en la etapa A), con 3,3¿, 5,5-tetrametil-4,4¿-diamino-difenilmetano, en una relación molar de 1:0,8 hasta 1:1,2 y a temperaturas de 80 a 120ºC; y C) tratar térmicamente los elastómeros resultantes a 80 - 150ºC, generalmente durante 2 - 12 horas.
ES471695A 1977-07-14 1978-07-13 Procedimiento para la obtencion de elastomeros de poliureta-no-urea Expired ES471695A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772731815 DE2731815A1 (de) 1977-07-14 1977-07-14 Polyurethan-harnstoff-elastomere

Publications (1)

Publication Number Publication Date
ES471695A1 true ES471695A1 (es) 1979-10-01

Family

ID=6013915

Family Applications (1)

Application Number Title Priority Date Filing Date
ES471695A Expired ES471695A1 (es) 1977-07-14 1978-07-13 Procedimiento para la obtencion de elastomeros de poliureta-no-urea

Country Status (6)

Country Link
US (1) US4208507A (es)
EP (1) EP0000360A1 (es)
CA (1) CA1134540A (es)
DE (1) DE2731815A1 (es)
ES (1) ES471695A1 (es)
IT (1) IT1105235B (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902090A1 (de) * 1979-01-19 1980-07-24 Bayer Ag Hitzehaertbare beschichtungsmassen und verfahren zur beschichtung von substraten
DE2920501A1 (de) * 1979-05-21 1980-11-27 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffelastomeren
DE2933165A1 (de) * 1979-08-16 1981-03-26 Bayer Ag, 51373 Leverkusen Verfahren zur herstellung von dynamisch besonders belastbaren luftreifen
DE2940738A1 (de) * 1979-10-08 1981-04-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von gegebenenfalls zellhaltigen polyurethan-polyharnstoff-formkoerpern
US4425468A (en) 1981-12-31 1984-01-10 Ppg Industries, Inc. Polyurea-polyurethane acrylate polymer dispersions
DE3200412A1 (de) * 1982-01-09 1983-07-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von gegebenenfalls zelligen polyurethanharnstoffelastomeren
US4439553A (en) * 1983-01-17 1984-03-27 W. R. Grace & Co. High molecular weight aromatic amine scavengers and method of use
DE3429149A1 (de) * 1984-08-08 1986-02-20 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von stabilisierten polyaminen, stabilisierte polyamine retardierter reaktivitaet und ihre verwendung zur polyurethanherstellung
US4581433A (en) * 1985-04-29 1986-04-08 Mobay Corporation Elastomer polyurethane-polyurea coatings based on bis(4-isocyanatocyclohexyl)methane
US5077330A (en) * 1988-08-29 1991-12-31 Armstrong World Industries, Inc. Conductive polyurethane-urea/polyethylene oxide
US5510445A (en) * 1994-11-22 1996-04-23 Bayer Corporation Process for castable polyurea elastomers
US5962617A (en) * 1995-02-02 1999-10-05 Simula Inc. Impact resistant polyurethane and method of manufacture thereof
US6127505A (en) * 1995-02-02 2000-10-03 Simula Inc. Impact resistant polyurethane and method of manufacture thereof
US6258917B1 (en) 1996-05-21 2001-07-10 Simula, Inc. Extrudable thermoplastic elastomeric urea-extended polyurethane
US5811506A (en) * 1997-02-03 1998-09-22 Simula Inc. Extrudable thermoplastic elastomeric urea-extended polyurethane
US20060241273A1 (en) * 2001-11-16 2006-10-26 Bojkova Nina V High impact poly (urethane urea) polysulfides
US20030096935A1 (en) * 2001-11-16 2003-05-22 Nagpal Vidhu J. Impact resistant polyureaurethane and method of preparation
US8017720B2 (en) * 2005-12-16 2011-09-13 Ppg Industries Ohio, Inc. Sulfur-containing oligomers and high index polyurethanes prepared therefrom
US7144969B2 (en) * 2001-11-16 2006-12-05 Ppg Industries Ohio, Inc. Impact resistant polyureaurethane and polyureaurethane prepolymer having low NCO/OH ratio
US20070142604A1 (en) * 2005-12-16 2007-06-21 Nina Bojkova Polyurethanes and sulfur-containing polyurethanes and methods of preparation
JP3938515B2 (ja) * 2002-06-12 2007-06-27 Ｓｒｉスポーツ株式会社 ゴルフボール
US20040021133A1 (en) * 2002-07-31 2004-02-05 Nagpal Vidhu J. High refractive index polymerizable composition
US7009032B2 (en) * 2002-12-20 2006-03-07 Ppg Industries Ohio, Inc. Sulfide-containing polythiols
US20090280709A1 (en) 2004-09-01 2009-11-12 Ppg Industries Ohio, Inc. Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same
US20090280329A1 (en) 2004-09-01 2009-11-12 Ppg Industries Ohio, Inc. Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same
US11248083B2 (en) 2004-09-01 2022-02-15 Ppg Industries Ohio, Inc. Aircraft windows
US11591436B2 (en) 2004-09-01 2023-02-28 Ppg Industries Ohio, Inc. Polyurethane article and methods of making the same
US9598527B2 (en) 2004-09-01 2017-03-21 Ppg Industries Ohio, Inc. Polyurethanes, articles and coatings prepared therefrom and methods of making the same
US11008418B2 (en) 2004-09-01 2021-05-18 Ppg Industries Ohio, Inc. Polyurethanes, articles and coatings prepared therefrom and methods of making the same
US9464169B2 (en) 2004-09-01 2016-10-11 Ppg Industries Ohio, Inc. Polyurethanes, articles and coatings prepared therefrom and methods of making the same
US11149107B2 (en) 2004-09-01 2021-10-19 Ppg Industries Ohio, Inc. Polyurethanes, articles and coatings prepared therefrom and methods of making the same
EP2024420B1 (en) 2006-05-05 2011-07-06 PPG Industries Ohio, Inc. Thioether functional oligomeric polythiols and articles prepared therefrom
US9568643B2 (en) 2012-12-13 2017-02-14 Ppg Industries Ohio, Inc. Polyurethane urea-containing compositions and optical articles and methods for preparing them
US9500445B2 (en) * 2013-09-10 2016-11-22 The United States Of America As Represented By The Secretary Of The Army Multi-layer matrix composite having improved energy absorption, dissipation and shock wave mitigation capabilities
US11059746B2 (en) 2015-08-10 2021-07-13 America as represented by the Secretary of the Army Thermoplastic cycloaliphatic polyamide matrix resins for next-generation energy absorbing applications
JP2022189050A (ja) * 2021-06-10 2022-12-22 ヤマウチ株式会社 カレンダー用ロール被覆材およびカレンダー用ロール

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1479890A (fr) * 1965-05-14 1967-05-05 Bayer Ag Procédé de préparation de matières plastiques réticulées selon le processus depolyaddition d'isocyanates
DE1240654B (de) * 1965-05-14 1967-05-18 Bayer Ag Verfahren zur Herstellung vernetzter Kunststoffe nach dem Isocyanat-Polyadditions-Verfahren
BE791310A (fr) * 1971-11-13 1973-05-14 Bayer Ag Procede de preparation de pieces moulees en mousse

Also Published As

Publication number Publication date
DE2731815A1 (de) 1979-02-01
IT1105235B (it) 1985-10-28
US4208507A (en) 1980-06-17
IT7850185A0 (it) 1978-07-06
CA1134540A (en) 1982-10-26
EP0000360A1 (de) 1979-01-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009