Covestro Deutschland Ag

Bayer Intellectual Property Gmbh

Bayer Materialscience Ag

Covestro Intellectual Property Gmbh & Co. Kg

Marcel Schornstein

Dirk Wegener

Harald Rasselnberg

Florian Hupka

Hartmut Nefzger

Kai Laemmerhold

Reinhard Albers

Hans-Detlef Arntz

Erhard Michels

Paul Heinz

Stephan Reiter

Peter Nordmann

Guobin Sun

Christian Hahn

Marina Reithmeier

Andreas Hoffmann

Dirk Brüning

Nicolas Stoeckel

Michael Baecker

Niels Bomholt

Timo Lars Reitemeyer

Ali-Kasim Anwar

The invention relates to: composite elements comprising a thermoplastic material and a polyurethane adhering to said thermoplastic material; a method for producing same; and the use thereof.

Composite elements made from thermoplastic materials and polyurethanes, method for producing same, and use thereof

The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein Ris selected from the group consisting of hydrogen, methyl or ethyl; Ris selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)propane, 1,4-bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprising a thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same.

Composite material comprising a polyurethane-polyacrylate resin matrix

The invention relates to a process used to produce open-cell and extremely fine-cell PUR/PIR rigid foams, said process using a polyol formulation comprising a specific isocyanate-reactive component, a catalyst component having zerewitinoff-active hydrogens and a cell-opener component.

Polyurethane foam and process for producing same

The present invention relates to open- and fine-celled rigid polyurethane foams which contain not only urethane groups (PUR) but also isocyanurate groups (PIR) and carbodiimide groups (CD) and to the use thereof in vacuum insulation panels.

Open-cell rigid polyurethane foam and the use thereof

The present disclosure relates to sheet moulding compounds (SMC) and to a method for producing composite fiber components from said SMC, based on a polyurethane reaction mixture consisting of (A) at least one aromatic isocyanate component, (B) 70 to 100 wt % of at least one polyol component having at least 70% secondary OH groups, a number average OH count of 15-500 mg KOH/g and functionality of 1.9-2.5, (C) 0-30 wt % of at least one polyol having a number average OH count of 15-500 mg KOH/g and a functionality of 1.9-2.5, (D) as applicable, short-chain polyol, (E) internal separating agent, (F) a thermolatent catalyst, and (G) as applicable, auxiliary and/or additional substances, wherein the PUR reaction mixture has an initial viscosity of 2,500-14,000 mPas at 23&#xb0; C. and the ratio of NCO groups/OH groups is 1.35:1-10:1.

Method for producing composite fiber components

The invention relates to a new polyurethane system which can be advantageously used for the production of large structural components made of fiber composite materials, to the use of said polyurethane reaction system for the production of fiber-reinforced structural components, and to the fiber-reinforced structural components produced using the new polyurethane system.

Polyurethane systems for layer structures in wind turbines

The present invention relates to storage-stable prepregs (preimpregnated fibers) on the basis of lightfast, low-viscous polyurethane systems with an increased characteristic number and flat fiber composite components (molded bodies; composite compounds) produced therefrom, which can be obtained by methods of impregnation of, for example, woven fabrics and laid scrims, and to a method for the production thereof. The polyurethane system can comprise a reaction product of a reaction mixture of an isocyanate component and a polyol formulation. The isocyanate component comprises an organic isocyanate. The polyol formulation comprises a polyol component, a dianhydrohexitol, a latent catalyst, and optionally auxiliaries and/or additives.

Lightfast polyurethane prepregs and fiber composite elements produced therefrom

The invention relates to prepregs and to a method for producing storage-stable polyurethane prepregs (pre-impregnated fibers) using polyols with a high content of secondary hydroxyl end groups, to composite fiber components (composite components) which are produced from the prepregs and which can be obtained by impregnating fiber-shaped materials such as woven fabrics and fleece, and to a method for producing said composite fiber components.

Polyurethane prepreg and composite fiber element produced therefrom

The present invention fiber composite components obtainable, for example, by impregnating fibers with a reactive polyurethane resin mixture of polyisocyanates, polyols, thermo-latent catalysts and optionally additives, and to a method for the production thereof.

Composite fibre components and the production thereof

The invention relates to a storage-stable resin film based on polyurethane systems having a very high characteristic number and fiber-composite components (composite components, molded bodies) produced therefrom by compressing the resin film, in combination with fiber-reinforced materials such as woven fabrics and fleece, at high temperatures and under pressure, and to a method for the production thereof.

Storage stable resin films and fibre composite components produced therefrom

The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.

Foams of high thermal stability

The invention relates to storage-stable prepregs (preimpregnated fibers) based on low-viscosity polyurethane systems having a very high characteristic number and flat fiber composite components (molded bodies; composite components) produced therefrom, which are obtained due to an impregnation method of fiber reinforced materials such as woven fabrics and fleece, and to a method for the production thereof.

Storage-stable polyurethane-prepregs and fibre composite components produced therefrom

The invention relates to polyurethane casting resins for producing polyurethane potting compounds, which can be obtained from a reaction mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said compounds.

Polyurethane casting resins and potting compounds produced therefrom

The invention relates to fiber-composite components, obtained for example by impregnating fibers with a reaction resin mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said components.

Growing community of inventors

Neuss, Germany

Marcel Schornstein