Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.

Eads Deutschland Gmbh

Pirelli Cavi E Sistemi S.p.a.

Other

Airbus Operations Gmbh

Clariant Finance (bvi) Limited

Clemson University

Lufthansa Technik Ag

Mankiewicz Gebr. & Co. Gmbh & Co Kg

Airbus Defence and Space Gmbh

Bundesdruckerei Gmbh

Fraunhofer-ges. Zur Förderung Der Angewandten Forschung E.v.

Ibf Electronic Gmbh&co Kg

Monika Bauer

Oliver Muth

Christian Dreyer

J&ouml;rg Bauer

Norbert Keil

Crispin Zawadzki

Daniel Decker

Eike Langkabel

Georg Wachinger

Hans Luinge

J&uuml;rgen Schneider

Sebastian Steffen

Christoph Uhlig

Rajko Wurzel

Arnaud Concord

Frank Kuschel

Reinhard Lorenz

Peter Dannberg

Dennis Smith

André Leopold

Karsten Hesse

Huihai Yao

Hans-Juergen Glaesel

Dietmar Völkle

Hans-Juergen Karl

Hartmut Kr&uuml;ger

Peter Kurzmann

Heinrich Flegel

Dominik Söthje

Wilfried Michaelis

Mathias Nolte

Wolfgang Weissflog

Nina Schneider

Andreas Brauer

Hartmut Kruger

Jorg Bauer

Karin Gocks

Peter Becher

Frank Richter

Michael Herrmann

Hans-Juergen Glasel

Lutz Hartmann

Jens Neumann-Rodekrich

Jörg Bauer

Thomas Palm

Christoph Uhllg

Joachim Mueller

Bettina Gajetzki

Dominik Soethje

Volker Müller

Siegfried Vieth

Suresh S Iyer

Jurgen Lang

Michael Hirthhammer

Guenther Motz

Jürgen Schneider

Hans-Jürgen GLÄSEL

Hans-Jürgen Karl

Günter Beyer-Meklenburg

Reinhard Fischer

Jürgen Lang

Dominik SÖTHJE

Maciej Gwiazda

The present invention relates to a method for degradation of a phenolic resin-containing material, characterized in that the phenolic resin-containing material is subjected to an aminolysis with a reagent containing at least one amino group, as well as a method for synthesis and degradation of a phenolic resin-containing material, characterized in that the phenolic resin-containing material is created by curing the starting components at a temperature of less than 140&#xb0; C. and is subjected to aminolysis with a reagent containing at least one amino group for the purpose of degradation.

Method of recycling phenol resin-containing materials, especially phenol resin-based fiber composite materials

The invention relates to a chemically degradable cured epoxy resin system containing one or more epoxide resins and one or more curing agents, characterized in that the curing agent contains at least one cyanate, with which the epoxy resin reacts to form an epoxy resin polymer containing cyanurates. The cured epoxy resin system can be recycled by chemically decomposing the cured component epoxy resin system by aminolysis with reactive NH&#x2014; or other amino groups and/or alcoholysis with mono-, di-, or poly functional alcohols.

Chemically decomposable epoxide resin system

The present invention relates to a process for chemically degrading materials containing benzoxazine resin, in particular benzoxazine resins, benzoxazine resin pre-polymers and benzoxazine resin-containing plastics, that enables a high quality recycling process for used up benzoxazine resin-containing materials, in particular the separation of composite materials, such as duromer-based fiber composite plastics containing a benzoxazine resin matrix, and reuse of the benzoxazine-containing materials.

Process for recycling materials containing benzoxazine resin, especially fiber composite plastics containing benzoxazine resin

The present invention relates to unsaturated carboxylic acid ester obtained from or through the use of a source material defined below in formula (I):()&#x2003;&#x2003;(I)wherein the figures set in parentheses indicate the molar proportion of source material A to the sum of source materials B and C, andwherein the following meanings apply:A: unsaturated dicarboxylic acid,B: a hard diol segment,C: a soft diol segment selected from among compounds having a continuous chain between two hydroxyl groups, which have a length of 5 to 30 atoms, wherein the molar ratio of B:C is between 5:95 and 95:5. Furthermore, it relates to unsaturated polyester resin comprising said unsaturated carboxylic acid ester as defined above and a reactive diluents as well as molded articles, coatings, and surface textiles coated, saturated, laminated, and impregnated from or with a thermoset, which was obtained by hardening said unsaturated polyester resin.

High-toughness materials based on unsaturated polyesters

The present invention relates to a resol resin consisting of at least one aromatic component with a phenolic OH group and at least one aldehyde component, wherein areas embedded in the resol resin matrix consisting of organically-modified polysiloxane, with said polysiloxane containing hydrocarbon groups that are at least partially bonded to said silicon in the form of non-substituted or substituted alkyl, alkenyl, aryl, arylalkyl or alkyl-aryl groups and that are not linked by covalent bonds to reactive groups of said resol resin. The invention additionally relates to molded articles manufactured from said resin, composites from a sheet material impregnated with said resin, which was subsequently hardened, as well as methods for manufacturing said resin, said molded articles, and said composites.

Polysiloxane modified resol resin, moulded bodies and composites obtained therefrom and methods for producing the resin, the moulded bodies and the composites

The invention relates to the use of a substituted, chiral amino alcohol, comprising one or more structural units of the following formula (1), wherein the abbreviations A, Y, R1 and R3 to R5 have the following meanings: is a covalent bond or a hydrocarbon group, Y is a covalent bond or a hydrocarbon group that can have an oxygen atom at one of its ends through which it is bonded to R, Ris an aliphatic or heterocyclic or aromatic radical, the carbon chain of which may be interrupted by one or more B groups, Ris selected from the group consisting of (a) aliphatic radicals, wherein individual carbon atoms may be replaced by oxygen atoms or carbonyl groups, and wherein the carbon chains of same radicals may be optionally interrupted by a B group, and (b) araliphatic, cycloaliphatic, aromatic and heterocyclic radicals, wherein the carbon chain can be interrupted by one or more B structural elements and/or by one or more D coupling groups, R, Rare hydrogen or aliphatic or araliphatic substituents, which are independent of one another, wherein the carbon chain can be interrupted by one or more B groups, B is selected from polymerizable or crosslinkable structural elements from the group comprising C-C-alkenyl, C-C-alkenyloxy, &#x2014;C&#x2550;C&#x2014;, &#x2014;CH&#x2550;CH&#x2014;COO&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;CX&#x2550;CH&#x2014;COO&#x2014; with X&#x2550;C-C-alkyl, and the trans-form of &#x2014;OOC&#x2014;CH&#x2550;CH&#x2014;COO&#x2014;, and D is selected from &#x2014;O&#x2014;, &#x2014;NH&#x2014;, &#x2014;N(CH)&#x2014;, &#x2014;N(CH)&#x2014;, &#x2014;SO&#x2014;, &#x2014;CO&#x2014;, &#x2014;COO&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;OCOO&#x2014;, &#x2014;OCH&#x2014;, CH&#x2550;N, &#x2014;CFCF&#x2014;, as a chiral dopant in liquid crystal (mixtures), e.g., in electro-optical systems.

Substituted amino alcohols as chiral dopants

The present invention pertains to a copolymer obtained by reacting a mixture of acrylonitrile or of a mixture of acrylonitrile and an organic molecule that can be copolymerized with acrylonitrile, with which a monomeric, oligomeric and/or polymeric silazane can be obtained, said silazane containing at least one vinylic double bond. The copolymer can be brought into fiber form and/or made infusible. The production of ceramic fibers by pyrolysis is possible with fiber-like copolymers.

Acrylonitrile-silazane copolymers, especially in fiber form, process for preparation thereof and use thereof

The invention relates to a wood substrate rendered flame-retardant. The invention provides that on the substrate there is a coating and/or impregnation system with a flame retardant selected from the group consisting of room-temperature-liquid organic halogen compounds and organic phosphorus compounds and organic boron compounds, and that there is also a layer of coating material applied thereto.

Wood substrate furnished with a flame retardant

The present invention relates to polysiloxane nanoparticles having the following properties: an average particle size d(measured using REM recordings) in the range of 10-200 nm, a specific surface area Aof at least 50 m/g, a pore volume of at least 0.2 cm/g, an average pore volume dof at least 0.8 nm, wherein the particles have groups that contain carbon, which groups are bonded to the silicon at least partially in the form of unsubstituted or substituted alkyl, alkenyl, aryl, arylalkyl, or alkylaryl groups. Said polysiloxane nanoparticles can be produced, among other things, in that either a silazane or a mixture of different silazanes having one or more &#x2014;[Si(R)(R)&#x2014;NR]&#x2014; units and/or a silane or a mixture of different silanes having the formula R'&#x2014;SiXor an oligosiloxane obtainable by means of hydrolytic condensation of said silane/said silanes or a mixture of such oligosiloxanes are provided in a solvent and brought in contact with a strongly alkaline medium in such a way that the pH is not below 13 after the addition thereof. In specific embodiments, synthesis in acid is also successful.

Organically functionalized polysiloxane nanoparticles, method for the production thereof, and use thereof

An adhesive composition for detachable adhesive bonds is based on adhesive matrices and expansion material. The particles of the expansion material are at least partially encapsulated. A bond of at least two components and an adhesive layer includes an adhesive composition based on adhesive matrices and expansion material. The bonded components may include metal, plastic, wood, glass, natural or synthetic materials or a composite material thereof.

Adhesive composition for detachable adhesive bonds and modification of the encapsulation materials for a purposeful energy input

A structural member (), particularly for lightweight construction, is described, comprising a two-dimensional extent, and a plurality of adjacent arranged hollow shaped elements (A) extending across the two-dimensional extent of the structural member, wherein the hollow shaped elements (A) each have a continuous peripheral side wall () and the adjacent hollow shaped elements are connected to each other at their side walls, and wherein two structural spacing parts (), which extend in parallel to the two-dimensional extent of the structural member and form arrangements of the hollow shaped elements (A), wherein each of the structural spacing parts () has a base layer () on which the hollow shaped elements (A) belonging to this structural spacing part () are arranged at mutual intervals, and the structural spacing parts () are arranged in opposite orientation so that the hollow shaped elements (A) of the first structural spacing part () protrude into the spaces between the hollow shaped elements (A) of the other structural spacing part (). Furthermore, a method of manufacturing the structural member is described.

Building panel in particular for wall covering and method for the production thereof

An adhesive composition for detachable adhesive bonds is based on adhesive matrices and expansion material, the particles of the expansion material being at least partially encapsulated.

The invention relates to a display cell, comprising two transparent, equidistant plates, wherein the gap between the plates is filled with a liquid-crystal material-containing layer, characterized in that the liquid-crystal material-containing layer is inhomogeneous and anisotropic, wherein it has a first region made up of compartments, which comprise entirely, substantially or mainly liquid-crystal material, and a second, coherent region which comprises entirely, substantially or mainly an organic polymer material and surrounds the compartments made of liquid-crystal material. In addition, the invention relates to a liquid-crystal material-containing mixture which can be used to produce the layer between the plates, and to a method for producing the display cell.

Display cell with compartmentalized liquid-crystal layer, method for its production and a liquid-crystal material-containing mixture suitable therefor

A textile web material impregnated with a mixture that contains at least a prepolymer prepolymerized from a starting material of one or more bifunctional or polyfunctional organic cyanates and from a starting material of one or more bifunctional or polyfunctional aromatic alcohols, wherein the one or more bifunctional or polyfunctional organic cyanates and the one or more bifunctional or polyfunctional aromatic alcohols are present in weight ratios ensuring a molar ratio of the OCN groups to the OH groups between 95:5 and 70:30 prior to prepolymerization. The mixture further contains one or more fillers.

Flame-resistant, low-temperature curing cyanate-based prepreg resins for honeycomb sandwich components with excellent surfaces

The present invention concerns a polycyanurate foam with a structural element A and either terminal amino groups and/or at least one of the following structural elements B, C, or D: wherein the foam has closed pores that contain carbon dioxide. This foam can be produced in that a substance is worked into the starting material for the polycyanurate that releases water or alcohol approximately at the start of polymerization either spontaneously or thermally or catalytically induced. The water/alcohol reacts with free cyanate groups under cleavage of CO. The resulting amino groups can react further in the polymerization.

Cyanate-based, carbon-dioxide-filled structured foams and method for their production

Growing community of inventors

Koenigs Wusterhausen, Germany

Monika Bauer