Covestro Deutschland Ag

Bayer Intellectual Property Gmbh

Studiengesellschaft Kohle Mbh

Johnson Matthey Public Limited Company

Rheinisch-westfalische Technische Hochschule (rwth) Aachen

Eastman Chemical Company

Bayer Materialscience Ag

Covestro LLC

Covestro Intellectual Property Gmbh & Co. Kg

Rheinische-westfalische Technische Hochschule Aachen

Boehringer Ingelheim International Gmbh

Rheinisch-westfalische Technische Hochschule Aachen

Thyssen Krupp Ag

Forschungszentrum Julich Gmbh

Thyssenkrupp Industrial Solutions Ag

Walter Leitner

Pieter Ooms

Hans-Josef Laas

Thomas Ernst Müller

Christoph Gürtler

Muhammad Afzal Subhani

Burkhard Köhler

Christoph Guertler

Thomas Ernst Mueller

Jürgen Klankermayer

Henning Vogt

Giancarlo Francio

Jörg Hofmann

Carsten Koopmans

Aurel Wolf

Antonio Zanotti-Gerosa

Daniel Koch

Frederick Ernest Hancock

Matthias Wohak

Alan Dyke

Andreas Seger

Claudine Rangheard

Brian Adger

Reinhard Halpaap

Rick L Adkins

Stefan Wershofen

Robert Thomas Hembre

Jack R Reese

Christoph Thiebes

Kai Laemmerhold

Yvonne Dienes

Maurice Cosemans

Johann Rechner

Klaus Langemann

Nusret Yuva

Raul Pires

Florian Johannes Stempfle

Jens Langanke

Jan Heijl

Michael Kessler

Stefan Pischinger

Urs Rauwald

Stefan Westhues

Gernot Jaeger

Friedhelm Risse

Ilja Peckermann

Florian Golling

Gernot Jäger

Gabor Barath

Sebastian Wesselbaum

Christian Six

Daniel Thiel

Irene Cristina Latorre Martinez

Burkhard Koehler

Ulrich Hintermair

Jennifer Julis

Christoph Gurtler

Yevgeny Makhynya

Tarek El Hawary

Ewa Gebauer-Henke

Thomas Pullmann

Verena Jakoby

Markus Meuresch

Susmit Basu

Michael Pohl

Mario Krautschick

Thorsten Vom Stein

Elena Frick-Delaittre

Franz Beggel

Igor Busygin

Alois F&uuml;rstner

Volker Marker

Julien Barruet

Anthony Kermagoret

Matthias Leven

Joachim Simon

Angelina Prokofieva

Franco Doro

Ralph-Georg Born

Daniela Cozzula

Isabel U Castro Cevallos

Andreas Ernst

Patrick Tomkins

Axel Scherer-Werke

Ewa Gebauer

Yevgen Berezhanskyy

Claudia Bizzarri

Andreas Rosen

Thomas Pullman

Nils Theyssen

Pablo Domínguez De María

Zhenshan Hou

Konstantin Walter Kottsieper

Maurizio Solinas

Daniela Giunta

Min Wang

Carmela G Arena

David Rivillo

Felice Faraone

Anna Weber

A process for producing thermoplastic polyoxazolidinone, comprising the following steps: (i) Reaction of a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a catalyst (C) and a compound (D) in a solvent (E) forming an intermediate compound (F) and (ii) Reaction of a compound (G) with the intermediate (F) formed in step (i), wherein the bisepoxide compound (B) comprises isosorbide diglycidylether, wherein compound (D) is one or more compounds selected from the group consisting of monofunctional isocyanate and monofunctional epoxide, and wherein compound (G) is an alkylene oxide. The invention is also related to the resulting thermoplastic polyoxazolidinone.

Method for the production of thermoplastic polyoxazolidinone polymers

A method for the production of polyoxazolidinone compounds, comprising the step of reacting an isocyanate compound (A) with an epoxide compound (B) in the presence of a catalyst (C), wherein the isocyanate compound (A) comprises a isocyanate compound (A) wherein the a isocyanate compound (A1) comprising at least two isocyanate groups (I&#x2265;2), preferred two isocyanate groups (I=2), wherein the epoxide compound (B) comprises a epoxide compound (B) and an epoxide compound (B), wherein the epoxide compound (B) is different from the epoxide compound (B) wherein the epoxide compound (B) comprising at least two terminal epoxide groups (F1&#x2265;2), preferred two terminal epoxide groups (F=2), linked together by a linking group (L1) and the epoxide compound (B) comprising at least two terminal epoxide groups (F&#x2265;2)), preferred two terminal epoxide groups (F=2), linked together by a linking group (L), wherein the linking group (L) comprises acyclic and covalent bonds to each other free of conjugated multiple bonds within the main chain, wherein the epoxide compound (B) is present in the epoxide compounds Band B, in an amount of &#x2265;0.01 mol-% to &#x3c;10 mol-%, preferred 1-9 mol-% more preferred 3-8 mol-% based on the molar ratio the terminal epoxide groups in the epoxide compound (B) and of the sum of the terminal epoxide groups in the epoxide compound (B) and terminal epoxide groups in the epoxide compound (B).

Process for the synthesis of polyoxazolidinone compounds

Method for the production of polyoxazolidinone compounds, comprising the reaction of at least one biscarbamate compound (A) with at least one bisepoxide compound (B) in the presence of at least one base (D), at least one Lewis acid catalyst (E), and optionally at least one compound (C), wherein the compound (C) comprising a mono-carbamate group, a mono-isocyanate group and/or a mono-epoxide group, and wherein the base (D) having a pKb-value of &#x2264;9. The invention is also related to the resulting polyoxazolidinone compounds.

Method for the production of polyoxazolidinone polymer compounds

This invention relates to novel macromers containing dithiocarbonate (or xanthate) groups, novel preformed stabilizers comprising macromers, and novel polymer polyols comprising the novel macromers and/or novel preformed stabilizers. This invention also relates to processes for the preparation of these materials. Other aspects of this invention include foams comprising the novel polymer polyols and a process for preparing foam comprising the novel polymer polyols.

Dithiocarbonate containing polyols as polymer polyol stabilizers

A compound by the name 1,1,1-tris(di(3,5-dimethoxyphenyl)phosphino-methyl)ethane. The compound can be represented by the structure of formula (I): The compound is useful as a ligand for ruthenium to form an organometallic complex. The complex is an active catalyst for the hydrogenolysis of amides to form amines and optionally alcohols.

Molecular catalysts for selective hydrogenolysis of amides

A process for preparing a phosphorus-functional polyethercarbonate polyol, comprising reacting a polyethercarbonate polyol having unsaturated groups with a phosphorus-functional compound of formula (Ia): wherein X=O or S; and wherein Rand Rare selected from the group consisting of C1-C22 alkyl, C1-C22 alkoxy, C1-C22 alkylsulfanyl, C6-C70 aryl, C6-C70 aryloxy, C6-C70 arylsulfanyl, C7-C70 aralkyl, C7-C70 aralkyloxy, C7-C70 aralkylsulfanyl, C7-C70 alkylaryl, C7-C70 alkylaryloxy, C7-C70 alkylarylsulfanyl, or wherein Rand Rare bridged to one another directly and/or via heteroatoms and are selected from the group consisting of C1-C22 alkylene, oxygen, sulfur, and NR, wherein Ris hydrogen, C1-C22 alkyl, C1-C22 acyl, C7-C22 aralkyl, or C6-C70 aryl radical. A process for preparing a phosphorus-functional polyurethane polymer is disclosed. Phosphorus-functional polyethercarbonate polyol, phosphorus-functional polyurethane polymer, flame-retardant adhesion promoter, filler-activator, flame retardant, flame-retardant coating, foam, sealing compound, thermoplastic, thermoset, rubber, and a moulded body are disclosed.

Flame-retardant phosphorus-functional polyether carbonate polyol and method for production thereof

The present invention relates to a method for producing a prepolymer that contains carbon-carbon multiple bonds, a polyol component A) being reacted with component B) that contains isocyanate groups and the polyol component comprising a polyether carbonate polyol that contains carbon-carbon multiple bonds.

Method for producing a multiple bond-containing prepolymer as elastomer precursor

The present invention relates to a method for producing an organooxysilyl-crosslinked polymer by reacting a polyether carbonate polyol which contains carbon-carbon double bonds with a polysiloxane compound in the presence of a suitable catalyst. Suitable polysiloxane compounds have at least two Si&#x2014;H bonds. This invention also relates to organooxysilyl-crosslinked polymers which are formed by this process.

Method for producing a polymer which contains double bonds as an elastomer precursor

The invention relates to a method for producing an isocyanate, wherein a carbamate or thiolcarbomate is converted, in the presence of a catalyst, with separation of an alcohol or thioalcohol, at a temperature of at least 150&#xb0; C., to the corresponding isocyanate, wherein a compound of the general formula (X)(Y)(Z&#x2014;H) is used as a catalyst, in particular characterized in that the compound has both a proton donor function and a proton acceptor function. In the catalysts according to the invention, a separable proton is bound to a heteroatom, which is more electronegative than carbon. Said heteroatom is either identical to Z or a component thereof. In the catalysts according to the invention, there is additionally a proton acceptor function which is either identical to X or a component thereof. According to the invention, the proton donator and proton acceptor function are connected to each other by the bridge Y.

Method for producing isocyanates

A compound represented by the structure of formula (I):  The compound is useful as a ligand for ruthenium to form an organometallic complex. The complex may be immobilized on an oxidic support to form an active, heterogeneous catalyst for the hydrogenolysis of amides to form amines and optionally alcohols.

Immobilized ruthenium-triphos catalysts for selective hydrogenolysis of amides

A method for the reduction organic molecules comprising a Ruthenium-Triphosphine complex with aromatic ligands at the phosphors which are ortho or meta substituted.

Method for reduction of organic molecules

The present invention relates to polyoxazolidinone compounds, a method for the production of polyoxazolidinone compounds, comprising the step of reacting a biscarbamate compound with a bisepoxide compound in the presence of a mono-carbamate, a mono-isocyanate and/or a mono-epoxide compound as chain regulator and a suitable base having a pKvalue of &#x2264;9 as catalyst. The invention further relates to the use of polyoxazolidinone compounds with high thermal stability.

Process for the synthesis of polyoxazolidinone compounds with high stability

The invention relates to a method for producing polyether carbonate polyols by agglomeration of alkyl oxides and carbon dioxide on carboxylic acid in the presence of a double metal cyanide (DMC) catalyst, wherein one or more carboxylic acids are continually added to the reactor during the reaction, characterized in that the carboxylic acid is at least difunctional and has a pKa value greater than or equal to 1.5, and the adding of the one or more carboxylic acids occurs such that, at any time in the method according to the invention, the molar concentration of unconverted carboxylic acid in the reaction mixture does not exceed a value in the amount of 0.001 mol/g multiplied by the mass of the catalyst used per liter of reaction mixture, specified in grams, and two carboxylic acid groups present in the same molecule are separated from each other at least by one carbon atom. The method further relates to the polyether carbonate polyols obtained according to the invention.

Method for producing polyether carbonate polyols

The invention provides a process for preparing polyether carbonate polyols by addition of alkylene oxides and carbon dioxide onto H-functional starter substance in the presence of a double metal cyanide (DMC) catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, wherein (&#x3b3;) alkylene oxide and carbon dioxide are added onto H-functional starter substance in a reactor in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, wherein a reaction mixture comprising the polyether carbonate polyol is obtained, and wherein (&#x3b4;) the reaction mixture obtained in step (&#x3b3;) remains in the reactor or is transferred continuously into a postreactor, wherein the content of free alkylene oxide in the reaction mixture is reduced in each case in the manner of a postreaction, characterized in that a component K is added during the postreaction, component K being selected from at least one compound containing a phosphorus-oxygen-hydrogen group.

Process for preparing polyether carbonate polyols

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Aachen, Germany

Walter Leitner