ES8609391A1 - Procedimiento para la obtencion de compuestos amino de mayorpeso molecular - Google Patents

Procedimiento para la obtencion de compuestos amino de mayorpeso molecular

Info

Publication number
ES8609391A1
ES8609391A1 ES547800A ES547800A ES8609391A1 ES 8609391 A1 ES8609391 A1 ES 8609391A1 ES 547800 A ES547800 A ES 547800A ES 547800 A ES547800 A ES 547800A ES 8609391 A1 ES8609391 A1 ES 8609391A1
Authority
ES
Spain
Prior art keywords
molecular weight
high molecular
lowered
preparation
well
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
ES547800A
Other languages
English (en)
Other versions
ES547800A0 (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 ES8609391A1 publication Critical patent/ES8609391A1/es
Publication of ES547800A0 publication Critical patent/ES547800A0/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
    • C08G18/28—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
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5036—Polyethers having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
    • C08G18/5048—Products of hydrolysis of polyether-urethane prepolymers containing isocyanate 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
    • C08G18/4615—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen
    • C08G18/4623—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen containing primary or secondary terminal aminogroups

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

Abstract

PROCEDIMIENTO DE OBTENCION DE COMPUESTOS AMINOS DE ALTO PESO MOLECULAR. CONSISTENTE EN HACER REACCIONAR MEZCLAS DE: A) COMPUESTOS AMINO CON GRUPOS AMINO AROMATICOS Y/O ALIFATICOS EN POSICION FINAL, CON PESOS MOLECULARES DE 400 HASTA 12.000; Y B) COMPUESTOS AMINO CON PESOS MOELCULARES INFERIORES A 400, CONTENIDOS EN EL ANTERIOR EN REDUCIDAS CANTIDADES COMO PRODUCTOS SECUNDARIOS O IMPUREZAS, COMPUESTOS AMINO AROMATICOS, CON MONO-, DI- Y/O POLIISOCIANATOS EN UNA CANTIDAD TAL, DE MANERA QUE POR CADA EQUIVALENTE DE COMPUESTO AMINO DE BAJO PESO MOLECULAR B) ESTEN PRESENTES 0,5 HASTA 10 EQUIVALENTES DE ISOCIANATOS. SIENDO: (A) AMINOPOLIESTERES O AMINOPOLIESTERES CON GRUPOS FINALES AROMATICOS Y CON PESOS MOLECULARES DE 600 HASTA 6.000 QUE SE OBTIENEN POR HIDROLISIS ALCALINA DE PREPOLIMEROS DE NCO-POLIETER O NCO-POLIESTER. SE UTILIZAN COMO MATERIALES DE SINTESIS DE POLIURETANO.
ES547800A 1984-10-13 1985-10-11 Procedimiento para la obtencion de compuestos amino de mayorpeso molecular Expired ES8609391A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3437632A DE3437632A1 (de) 1984-10-13 1984-10-13 Verfahren zur herstellung hoehermolekularer aminoverbindungen mit vermindertem monomeramingehalt, sowie deren verwendung

Publications (2)

Publication Number Publication Date
ES8609391A1 true ES8609391A1 (es) 1986-07-16
ES547800A0 ES547800A0 (es) 1986-07-16

Family

ID=6247850

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547800A Expired ES8609391A1 (es) 1984-10-13 1985-10-11 Procedimiento para la obtencion de compuestos amino de mayorpeso molecular

Country Status (5)

Country Link
US (1) US4855504A (es)
EP (1) EP0178525B1 (es)
JP (1) JPS6197316A (es)
DE (2) DE3437632A1 (es)
ES (1) ES8609391A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710426A1 (de) * 1987-03-28 1988-10-06 Bayer Ag Verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen
US20050131136A1 (en) 2003-12-16 2005-06-16 Rosthauser James W. Soft polyurethaneurea spray elastomers with improved abrasion resistance
US20050158131A1 (en) * 2004-01-20 2005-07-21 Markusch Peter H. Geotextile/polyurethane composites based on blocked isocyanate compositions
EP4215333A1 (en) 2022-01-24 2023-07-26 Productos Concentrol, S.A. Process for preparing an aqueous mould release agent
CN118221908B (zh) * 2024-05-27 2024-08-20 万华化学集团股份有限公司 一种在炎热环境下存储稳定的多异氰酸酯组合物及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1694152C3 (de) * 1967-05-12 1979-09-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von mikroporösen Flächengebilden
DE2854384A1 (de) * 1978-12-16 1980-07-03 Bayer Ag Verfahren zur herstellung von polyurethan-kunststoffen
DE3244912A1 (de) * 1982-12-04 1984-06-07 Bayer Ag, 5090 Leverkusen Polyamine und ein verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
JPS6197316A (ja) 1986-05-15
DE3437632A1 (de) 1986-04-17
ES547800A0 (es) 1986-07-16
EP0178525A2 (de) 1986-04-23
EP0178525A3 (en) 1988-02-17
DE3579992D1 (de) 1990-11-08
US4855504A (en) 1989-08-08
EP0178525B1 (de) 1990-10-03

Similar Documents

Publication Publication Date Title
ES449690A1 (es) Procedimiento para la preparacion de una mezcla de di(amino-fenil)metanos y polimetilen polifenil poliamidas oligomeri- cas.
ES8800296A1 (es) Un procedimiento para preparar un polimero de poliurea o de poliurea-poliuretano
EP0114970A3 (en) Improved process for the preparation of polymethylene polyphenyl polyisocyanates
ES2000373A6 (es) Procedimiento para la obtencion de preparados de pliisocianato conteniendo grupos urea yno grupos biuret
GB796044A (en) Polyalkylene ether-polyurethane polymer and elastomeric products obtainable therefrom
DE2966876D1 (en) Modified diisocyanate compositions and polyurethanes thereof
ES8708144A1 (es) Procedimiento de vulcanizar caucho.
EP0097298A3 (en) Polyamines, process for producing polyamines and their use in the production of polyurethanes
ES8707558A1 (es) Procedimiento para la obtencion de dispersiones estables de poliureas y-o polihidrazodicarbonamidas en compuestos hidroxilo de mayor peso molecular que llevan como minimo un grupo hidroxilo
ES8609391A1 (es) Procedimiento para la obtencion de compuestos amino de mayorpeso molecular
ES428648A1 (es) Procedimiento para la obtencion de cuerpos moldeados de po-liuretano.
ES431902A1 (es) Procedimiento para la obtencion simultanea de diisocianatosy poliisocianatos de mayor funcionalidad.
ATE60253T1 (de) Verfahren zur herstellung von festen oder pastenfoermigen produkten.
ES8102159A1 (es) Procedimiento para la obtencion de elastomeros de poliureta-no celulares
ES2002476A6 (es) Procedimiento para la obtencion de materiales sinteticos moldeados a base de poliuretano
ES2002200A6 (es) Procedimiento para la obtencion de poliaminas y su empleo para la obtencion de poliuretanos
GB1351050A (en) Process for decolourizing polyethylene polyamines
FR2378054A1 (fr) Procede de preparation de polyurethanes
AU575457B2 (en) Polyurethane dispersion
ES453241A1 (es) Procedimiento para la obtencion "in situ" de dispersiones a-cuosas.
AU590108B2 (en) Polyaminohydroxyl compounds containing urethane and/or urea groups and processes for their preparation and use
EP0142918A3 (en) Improved polyimide products
FR2366324A1 (fr) Procede de preparation de polyether-polyureides et produits ainsi obtenus
JPS56115781A (en) Preparation of isocyanate addition reaction product
GB1298102A (en) Addition products of amines with lactams

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000201