Bayer Materialscience Ag

Bayer Aktiengesellschaft

Covestro Deutschland Ag

Johnson Matthey Inc.

Covestro Deutschalnd Ag

Bayer Intellectual Property Gmbh

Covestro Intellectual Property Gmbh & Co. Kg

Oxis Energy Limited

Jürgen Köcher

Hans-Josef Laas

Reinhard Halpaap

Frank Richter

Christian Wamprecht

Jan Weikard

Jörg Hofmann

Sebastian Dörr

Thorsten Rische

Christoph Eggert

Klaus-Peter Schmitz

Thomas Feller

Katrin Sternberg

Matthias Wintermantel

Thomas Klimmasch

Gerald Kurek

Ute Nattke

Holger Casselmann

Tanja Hebestreit

Rolf Irnich

Stephen Rowlands

Rafael Langer

Thomas Fulsche

Thomas Schüttler

Marianne Struwe

Sebastien Desilani

David Ainsworth

Justyna Katarzyna Kreis

Stephen Lawes

Jürgen Urban

Juergen Urban

Hoffmann Ute

Henning Rohm

The invention relates to a polyurea compound, which can be produced by reacting a polyisocyanate with a dialkoxy amino silane according to general formula R(RO)Si(CH)NHRand optionally also with a trialkoxy amino silane according to general formula (RO)Si(CH)NHRwherein the groups Rare selected independently from one another from C-C-alkyl or C-C-aryl, n and m are each whole numbers between 1 and 4, the groups Rare selected independently from one another from &#x2014;H, C-CO-alkyl, C3-C12-cycloalkyl, and &#x2014;CHRCHCOOR, the groups Rare selected independently from one another from H, C-C-alkyl and &#x2014;COOR, and the groups Rrepresent C-C-alkyl independently from one another. The invention also relates to the use of the compound as a binder for producing coatings.

Alkoxy-silane-modified polyurea compounds based on a mixture of dialkoxy and trialkoxy silanes

An anode for an electrochemical cell comprises a lithium metal or lithium metal alloy, and a polymer coating deposited on the lithium metal or lithium metal alloy. The polymer coating is doped with lithium ions and comprises a polyisocyanurate material. The polyisocyanurate material contains ether- and/or silicone-containing further groups. The ether-containing group is a polyether, and/or wherein the silicone-containing group is a siloxane group.

Anode for an electrochemical cell

Provided is a coating composition for the elastic coating of textile materials, comprising at least one blocked, isocyanate-terminated prepolymer (component A), the isocyanate-terminated prepolymer A) being prepared from a polyol component a) IN and an isocyanate component b), and the terminal isocyanate groups being blocked with dialkyl malonate and/or 3,5-dimethylpyrazole, and the isocyanate component b) containing &#x2265;70 wt % of at least one aliphatic polyisocyanate and &#x2264;30 wt % of at least one N aromatic polyisocyanate, based on the total weight of component b), at least one polyamine (component B) and &#x2264;30 wt %, based on the total mass of the coating composition, of at least one organic solvent. Further provided are a method for coating substrates with the coating composition, and also the substrate obtainable in such a method, and, further, the use of the coating composition for producing elastic coatings or elastic films.

Low-solvent coating systems for textiles

The present invention relates to non-aqueous coating agent compositions, containing at least one polyol (A), at least one silane-modified compound (B) of formula (I), optionally one or more silane-free aliphatic or cycloaliphatic polyisocyanates (C) having free or blocked isocyanate groups, and at least one catalyst (D) for the cross-linking of the silane groups. Furthermore, the non-aqueous coating agent compositions according to the invention can contain one or more surface additives (E) and one or more non-aqueous solvents (F).

Polyurethane coating compositions

The present invention relates to an alkoxysilane-terminated prepolymer, characterized in that it is obtainable by reaction of at least A) a polyol, B) a compound having two or more isocyanate groups, and C) an alkoxysilane having at least an isocyanate group and/or an isocyanate-reactive group, wherein the polyol A) comprises at least a polyethercarbonatepolyol obtainable by addition of carbon dioxide and alkylene oxides onto H-functional starter molecules. The present invention further relates to a process for preparing the alkoxysilane-terminated prepolymer of the present invention and also to a composition and a multicomponent system comprising an alkoxysilane-terminated prepolymer of the present invention. The present invention further relates to a shaped article obtainable by polymerizing the alkoxysilane-terminated prepolymer of the present invention, by polymerizing a composition of the present invention or by polymerizing a multicomponent system of the present invention. The present invention further relates to a pressurized can containing an alkoxysilane-terminated prepolymer of the present invention, a composition of the present invention or a multicomponent system of the present invention.

Alkoxysilane-terminated prepolymer based on polyether carbonate polyols, for spray foams

The present invention relates to a polyurethaneurea solution having a polyurethaneurea having a structural unit of the formula (I) and terminated with at least one copolymer unit of the group consisting of a polyethylene oxide, a polypropylene oxide, and mixtures thereof.

TCD based hydrophilic polyurethane dispersions

This invention relates to solutions of polyurethaneureas in &#x3b3;-butyrolactone or mixtures of &#x3b3;-butyrolactone with toxicologically acceptable organic solvents. A process for coating substrates using these polyurethaneurea solutions, and substrates coated by said process are also provided. The substrates coated according to the invention are preferably textile products or leather, but materials such as wood or concrete can also be coated according to the invention.

Polyurethane urea solutions

A method of dimerizing isocyanates using sulphonamide anions as a dimerization catalyst for the isocyanates and also to a process for preparing oligomeric isocyanates using such catalysts.

Catalysts for selective isocyanate dimerization

The invention relates to novel compounds containing uretdione groups, to a process for preparing them by dimerizing aliphatic and/or cycloaliphatic isocyanates containing exclusively secondary and/or tertiary isocyanate groups and also to the use of uretdione polyisocyanates obtainable by this process from diisocyanates containing exclusively secondary and/or tertiary isocyanate groups as a starting component for polyurethane polymers, in particular as an isocyanate component in the preparation of uretdione powder coating crosslinkers.

Isocyanates containing uretdione groups

The invention relates to stereoisomerically enriched diamines, to metal complexes comprising these diamines and also to their use in a process for asymmetrically reducing ketones using silanes, in particular polymethylhydrosiloxane, as reducing agents.

Optically active diamines and their use in catalytic processes

The present invention relates to the use of sulphonamide salts as catalysts for oligomerizing isocyanates and also to a process for NCO oligomerization using the catalysts of the invention.

Sulfonamide anions as catalysts for NCO oligomerization

The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from a five-membered N-heterocycles and the N-heterocycle comprises at least one N&#x2014;H function in the five-membered ring, to the products produced in this way and to polymers prepared from these products.

Method for producing polyisocyanates

Growing community of inventors

Langenfeld, Germany

Jürgen Köcher