Rutgerswerke Aktiengesellschaft

Bakelite Ag

Rutgerswerke Atkiengesellschaft Ag

Rolf Herzog

Peter Martischewski

Martin Fulgraff

Markus Schr&ouml;tz

Bert Meier

Jurgen Zehrfeld

J&uuml;rgen Schillgalies

Jurgen Schillgalies

Frank Schubert

Achim Hansen

Karl Jellinek

Axel Bottcher

Ulrich Grundke

Alfred Mathes

Holger Dey

Harald Heerdegen

H Rainer Sasse

Karl-Hermann Conrad

Hans Klein

Dietrich Tichy

Rolf Kraas

Grundke Ulrich

Gunter Reinsch

Monoamine or polyamine reacted with polyepoxide/monoamine or polyamine precursor, epoxy resin and epoxide thinner

Product of mono or polyamine and polyepoxide-amine precursor, epoxy resin-amine adduct, monoepoxide-amine adduct and epoxide thinner

Novel cold-curing mixtures comprising epoxide compounds, curing agents, additives and optionally further auxiliary and filler materials, which have low irritant potential, which are free of solvents and are self-levelling and which, in the cured state, are colorfast and have a surface which, in terms of optical and tactile properties, is faultless.

Mixtures comprising epoxide compounds and their use

Polyepoxide/polyether mono- or polyamine precursor reacted with mono- or polyamine, epoxy resin-amine adduct and monoepoxide-amine adduct

An epoxy resin system comprising a) at least one nitrogen containing epoxy compound having at least two epoxy groups, b) at least one phosphorus compound with at least one epoxy group, c) at least one metallic complex compound as curing agent and d) optionally filler and additive substances free of halogenated compounds and having a low degree of inflammability.

Epoxy resin systems containing glycidylated aromatic amines, phosphorus

A process for the preparation of 2-oxo-1, 3-dioxolanes comprises reacting an epoxy compound having at least one functional epoxy group in the optional presence of an inert solvent with carbon dioxide at 60.degree. C. to 200.degree. C. at normal pressure in the presence of a quaternary phosphonium compound as catalyst and novel quaternary phosphonium compounds useful as catalysts in the said process.

Production of cyclic carbonates

A hardening agent for epoxy compounds prepared by reacting A) at least one member of the group consisting of polyalkyleneetherdiols and polyalkyleneetherpolyols with B) at least one polyisocyanate with a molar ratio of hydroxy groups to isocyanate group of 1:1.8 to 3, reacting the resulting product with C) an amine having at least one free primary or secondary amino group and at least one protected primary amino group with a molar ratio of isocyanate to amino groups of 1:1 to 2 and subjecting the latter product to hydrolysis useful for preparation of flexible hardened products with excellent mechanical properties.

Epoxy hardening agents

A process for the preparation of at least one member of the group consisting of monoglycidyl and polyglycidyl compounds comprising reacting a member of the group consisting of mono- and polyvalent phenols, aromatic amines and aromatic carboxylic acids with an epihalohydrin substantially free of halogenated hydrocarbons.

Polyglycidyl ethers from purified epihalohydrin

Novel hardener compositions for epoxy resins comprising (a) 65 to 95% by weight of an adduct containing free amino groups of 35 to 94% by weight of at least one member of the group consisting of polyamines, polyaminoimidazolines and polyaminoamides and 5 to 30% by weight of at least one glycidyl compound, based on the total hardener composition weight, (b) 0.1 to 5% by weight at least one aliphatic or aromatic carboxylic acid and (c) 0.9 to 30% by weight of a phenol-modified aromatic hydrocarbon resin with a hydroxyl content of 0.9 to 6% and their preparation, water-emulsifable epoxy compositions containing said hardener compositions, aqueous emulsions of said epoxy resins, water compositions containing said aqueous epoxy emulsions and their uses.

Hardeners for epoxy resins

Storage stable, heat curable mixtures obtained from epoxy resins as a binder system containing latent hardening agents as well as fillers and additive materials which have outstanding mechanical and electrical properties and which are obtained as epoxy resin components of an adduct of a high molecular solid epoxy resin and 4,4'-diaminodiarylalkane in a molecular ratio of 1:0.01 to 0.05. The preferred economical curing agent is a phenol formaldehyde condensation product.

Storage stable, heat curable mixtures of epoxy resins and method for

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Bottrop, Germany

Rolf Herzog