Covestro Deutschland Ag

Covestro Intellectual Property Gmbh & Co. Kg

Momentive Performance Materials Gmbh

Carsten Koopmans

Christoph Gürtler

Jan Weikard

Walter Leitner

Christoph Guertler

Claudine Rangheard

Aurel Wolf

Kai Laemmerhold

Thomas Ernst Müller

Dieter Mager

Elena Frick-Delaittre

Muhammad Afzal Subhani

Thomas Ernst Mueller

Michael Kessler

Stefan Westhues

Daniel Thiel

Andrea Ruppenthal

Oliver Kretschmann

Timo Breuer

Cristian De Santis

Joachim Simon

Volker Marker

Markus Putzer

Rene Boltersdorf

Min Wang

Anna Weber

Yvonne Reimann

Waldemar Schlundt

Mathias Glassner

Hagen Altmann

Stefan Naumann

Thomas Ernst MÜLLER

Anna Weber-Czapjlik

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 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 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 polyoxazolidone 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

A process for producing thermoplastic polyoxazolidinone comprising copolymerization 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), wherein the catalyst (C) is selected from the group consisting of alkali halogenides and earth alkali halogenides, and transition metal halogenides, compound (D) is selected from the group consisting of monofunctional isocyanate, monofunctional epoxide, and wherein the process comprises step (&#x3b1;) of placing the solvent (E) and the catalyst (C) in a reactor to provide a mixture, and adding the diisocyanate compound (A), the bisepoxide compound (B) and the compound (D) in step (&#x3b2;) to the mixture resulting from the step (&#x3b1;). The invention is also related to the resulting thermoplastic polyoxazolidinone.

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

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Hilden, Germany

Carsten Koopmans