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1. MX2011004512 - PROCEDIMIENTO PARA LA PREPARACION DE POLIOLESTERES CON PEQUEÑAS CANTIDADES DE RESIDUOS DE DIOXANO.

Amt
Mexiko
Aktenzeichen/Anmeldenummer 2011004512
Anmeldedatum 29.04.2011
Veröffentlichungsnummer 2011004512
Veröffentlichungsdatum 24.05.2011
Veröffentlichungsart A
IPC
C08G 18/00
CSektion C Chemie; Hüttenwesen
08Organische makromolekulare Verbindungen; deren Herstellung oder chemische Verarbeitung; Massen auf deren Basis
GMakromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
18Polymere Produkte aus Isocyanaten oder Isothiocyanaten
CPC
C08G 18/4018
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
C08G 18/425
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
40High-molecular-weight compounds
42Polycondensates having carboxylic or carbonic ester groups in the main chain
4244containing oxygen in the form of ether groups
4247derived from polyols containing at least one ether group and polycarboxylic acids
425the polyols containing one or two ether groups
C08G 18/7664
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
74cyclic
76aromatic
7657containing two or more aromatic rings
7664containing alkylene polyphenyl groups
C08G 18/794
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
70characterised by the isocyanates or isothiocyanates used
72Polyisocyanates or polyisothiocyanates
77having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
78Nitrogen
79characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
791containing isocyanurate groups
794formed by oligomerisation of aromatic isocyanates or isothiocyanates
C08G 63/672
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
66Polyesters containing oxygen in the form of ether groups
668derived from polycarboxylic acids and polyhydroxy compounds
672Dicarboxylic acids and dihydroxy compounds
C08G 63/78
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
Anmelder BAYER MATERIALSCIENCE AG
Erfinder NEFZGER, Hartmut
ROERS, Rolf
BAUER, Erika
VAN DE BRAAK, Johannes
HEINEMANN, Thorsten
SCHLOSSMACHER, Jürgen
Prioritätsdaten 10 2008 056 148.7 06.11.2008 DE
Titel
(ES) PROCEDIMIENTO PARA LA PREPARACION DE POLIOLESTERES CON PEQUEÑAS CANTIDADES DE RESIDUOS DE DIOXANO.
Zusammenfassung
(EN) The invention relates to the production and use of polyester polyols, formed from at least one carboxylic acid hydride and diethylene glycol, wherein a specialized reaction control substantially suppresses the formation of 1.4-dioxan from diethylene glycol. The invention also relates to the polyesterpolyol obtainable according to this method, to a method for producing a polyurethane (PUR) or polyisocyanurate foam (PIR) material and to metal composite elements containing the PUR or PIR foam according to the invention.