Evonik Degussa Gmbh

Evonik Operations Gmbh

Britta Kohlstruk

Dirk Fuchsmann

Martina Ortelt

Emmanouil Spyrou

Eike Langkabel

Katharina Karns

Annette Sandkühler

Thomas Haas

Holger Loesch

Rainer Lomoelder

Friedrich Georg Schmidt

Jan Christoph Pfeffer

Elke Gollan

Andrea Henschke

Jaclyn Balthasar

Sebastian De Nardo

Ralph Aldridge

Jens Hillen

Annette Sandkuehler

Dirk Fuchmann

Dr Martina Ortelt

The present invention relates to a low-alkylphenol composition comprising a) at least one epoxy resin, b) at least one amine having at least two secondary amino groups that are both part of an organic ring system, and c) at least one salt of a strong Br&#xf8;nsted acid with a counterion selected from metal ions, metal-containing ions, phosphonium ions and ammonium ions, to processes for production thereof and to the use thereof.

Fast-curing epoxy systems

The present invention provides a composition comprising a) at least one epoxy resin, b) at least one cyclic amine of the formula (I) in which

The present invention relates to the use of substituted benzyl alcohols as modifiers in epoxy systems.

Use of substituted benzyl alcohols in reactive epoxy systems

Epoxy resin compositions containing at least one resin component and at least one hardener component are suitable as a thermoset matrix for production of semi-finished fiber matrix products and cured fiber matrix laminates known as composites.

Epoxy resin compositions for production of storage-stable composites

Latent epoxy resin formulations are suitable for liquid impregnation processes for production of fiber composite materials.

Latent epoxy resin formulations for liquid impregnation processes for production of fibre composite materials

Epoxy compositions containing at least one resin component and at least one hardener component, are suitable as a thermoset matrix for production of semi-finished fiber matrix products and cured fiber matrix laminates.

Latent epoxy resin formulations for liquid impregnation processes for production of fibre-reinforced composites

The invention relates to a method for producing storage-stable polyurethane prepregs and molding bodies produced therefrom (composite components), which can be obtained by a method using a polyurethane composition in solution and by impregnation of fiber-reinforced materials such as of woven fabrics and laid scrim using reactive polyurethane compositions.

Process for the production of storage-stable polyurethane prepregs and mouldings produced therefrom from dissolved polyurethane composition

A curable composition including an epoxy resin, an open-chain polyamine, and a compound of the formula (I); a hardened composition prepared by curing the curable composition; a process for coating a surface or impregnating a textile sheet, including applying and hardening the curable composition; and a surface, a fiber composite material, a coating, or an adhesive including the hardened composition, 

Curable composition with high fracture toughness

The invention relates to curable compositions comprising at least one epoxy resin and at least one hardener wherein the hardener is a compound of formula (I) or (II) where Rand Rare each independently selected from the group of substituents having the formula &#x2014;(CH)&#x2014;NHand x is in each case independently 0, 1, 2, 3 or 4, to surfaces comprising such compositions, to methods comprising applying a coating material comprising such compositions and to the use of such compositions as surface protection.

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Gladbeck, Germany

Britta Kohlstruk