Leibniz-institut Fuer Neue Materialien Gemeinnuetzige Gmbh

Other

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

Institut Fuer Neue Materialien Gemeinnuetzige Gmbh

Epg Engineered Nanoproducts Germany Ag

Institut Fur Neue Materialien Gemeinnutzige Gmbh

Canon Kabushiki Kaisha

Roche Diagnostics Gmbh

Institut F&uuml;r Neue Materialien Gem. Gmbh

Tomoegawa Co., Ltd.

Schott Glaswerke

Koito Manufacturing Company, Ltd.

Henkel Kommanditgesellschaft Auf Aktien

H. C. Starck, Gmbh & Co Kg

Dr. C. Otto Feuerfest Gmbh

Helmut Schmidt

Martin Mennig

Gerhard Jonschker

Peter William Oliveira

Ertugrul Arpac

Stefan Sepeur

Carsten Becker-Willinger

Norio Ohkuma

Etsuko Hino

Pamela Kalmes

Klaus Endres

Christoph Lesniak

Horst Scholze

Rudiger Nass

Herbert A Krug

Herbert Harttig

Ralph Nonninger

Thomas Schiestel

Michael Riedling

Reiner Kasemann

Murat Akarsu

Bernd Reinhard

Yoshikazu Saito

Mitsutoshi Noguchi

Fumio Kita

Hermann Schirra

Elisabeth Geiter

Mesut Aslan

Takamasa Harada

Andreas Zimmermann

Thomas Walter

Gerhard Tunker

Axel Kalleder

Christian Schmidt

Andreas Gier

R&uuml;diger Nass

Volker Gerhard

Carsten Schmidt

Robert Drumm

Akihiko Shimomura

Werner Hoheisel

Hikaru Ueda

Andreas Jordan

Gerhard Schmidmayer

Martin Döbler

Nanning J Arfsten

Gottfried Philipp

Martin Schichtel

Jörg Kleiber

Martin Jost

Stefan Faber

Nora Kunze

Peter Mueller

Claudia Fink-Straube

Kira Fries

Thomas Benthien

Philipp Stoessel

Christian Goebbert

Frank Hutter

Frank Joerdens

Helmut Patzelt

Ralf-Peter Winkler

Steffen Pilotek

Carola Dittfurth

Georg Wagner

Anette Berni

Andreas Altherr

Kai Gossmann

Boris Breitscheidel

Herbert Wolter

Michael Meier

Peter Christophliemk

Walter Spiess

Waldemar Weinberg

Daisuke Mochizuki

Michael Popall

Dietmar Fister

Petra Auchter-Krummel

Ulrich Sohling

Theo Konig

Sabine Amberg-Schwab

Helmut Dislich

Kazuhito Osada

Rainer Angenendt

Christian N Kirsten

Hans-Joachim Koschlig

Thomas Burkhart

Karl-Heinz Haas

J&ouml;rg Kleiber

Hanns-Erik Endres

Jochen Schulz

Detmar Buxmann

Mohammad Jilavi

Luis Genolet

Peter Müller

Ulrich Schubert

Frank Gross

Patrick Judeinstein

Thomas Dembski

Bruno Schaefer

A process for providing a substrate having a metal, glass or ceramic surface with a vitreous layer comprising an interference pigment. The process comprises comminuting an interference pigment having at least one dielectric interference layer by a wet grinding process; dispersing the comminuted interference pigment into a silicate-containing suspension to obtain a coating composition; applying the coating composition to the surface by a wet coating process; and densifying the coating composition at a temperature of not more than 650&#xb0; C.

Fine interference pigments containing glass layers on metal, glass and ceramic surfaces and method for production thereof

The invention relates to a method of stabilizing the bonding agent gelation time in the consolidation of a geological formation in the presence of one or more catalytically active substances, in which method a bonding agent is infiltrated into the formation, a portion of the infiltrated bonding agent is optionally expelled by flushing with a gas or a liquid, and the bonding agent remaining in the formation is cured. the bonding agent comprises a mixture of a) a heterocondensate, obtainable by hydrolysis and condensation of at least one hydrolyzable silicon compound and at least one metal, phosphorus or boron compound, the metal being selected from Al, Ge, Sn, Pb, Ti, Mg, Li, V, Nb, Ta, Zr and Hf, B) at least one organic polymerizable monomer or oligomer comprising a C-C double bond, and C) at least one thermal polymerization initiator without peroxide function.

Robust binder, which is independent from the influence of catalytically active substances, for use in the crude oil and natural gas industry

Metallic substrates with a vitreous or glass-ceramic pigmented protective layer are obtainable by applying an alkali metal silicate-containing coating sol to the substrate or a surface thereof and thermally densifying the layer thus obtained, said alkali metal silicate-containing coating sol comprising an oxidic pigment of at least one element selected from the third and fourth main or subgroups of the Periodic Table of the chemical elements and the transition metals Fe, Co, Ni, Cu, Zn, Nb and Ta.

Metallic articles having vitreous or glass-ceramic pigmented protective layers having a high chemical resistance

The invention relates to articles comprising a metal surface provided with a glass-, glass-ceramic- or ceramic-type protective layer, characterized in that the protective layer comprises a base layer comprising a matrix made of an alkali and/or alkaline earth silicate and an alkali metal- and alkaline earth metal-free top layer comprising a matrix made of an oxidic silicon compound, and to a method for the manufacture of said articles. The articles comprising the protective layer exhibit high chemical resistance and improved non-stick properties. They are characterized in particular by high dishwasher resistance.

Metal surfaces compromising a thin glass- or ceramic type protective layer having high chemical resistance and improved non-stick properties

The invention relates to a composition for producing abrasion-resistant and alkali-resistant layers or molded bodies having a low-energy surface, said composition comprising a) a hardenable binder system containing at least one organic polymer or oligomer comprising at least one functional group, or a precursor thereof, b) at least one fluorine-containing polymer or oligomer containing at least one functional group that can react with a functional group of the binder system, and c) inorganic particles, and to the products thus obtained. The coatings and molded bodies obtained are especially suitable for surfaces to be kept clean.

Abrasion-resistant and alkali-resistant coatings or moulded bodies having a low-energy surface

Metallic substrates having a deformable vitreous coating, obtainable by applying an alkali metal silicate-containing coating sol to the substrate and thermally densifying the layer thus obtained in a two-stage heat treatment process, the heat treatment being carried out, in the first stage, either (A) in an oxygen-containing atmosphere or (B) in a vacuum at a residual pressure of &#x2266;15 mbar and, in the second stage, in a low-oxygen atmosphere up to full densification with formation of a vitreous layer.

Metallic substrates comprising a deformable glass-type coating

A binder is described which comprises A) a hydrolysate or heterocondensate of at least one hydrolysable silicon compound and at least one metal, phosphorus or boron compound, the metal being selected from Al, Ge, Sn, Pb, Ti, Mg, Li, V, Nb, Ta, Zr and Hf, B) an organic polymerizable or polycondensable monomer or oligomer and C) a buffer, so that the pH of the buffered binder is in the range from 2 to 7, and optionally a complexing agent, if appropriate, the at least one hydrolysable silicon compound comprising one or more hydrolysable silicon compounds having at least one nonhydrolysable group or oligomers thereof. The binder is suitable for consolidating bulk or loose substrates.

Binders for binding beds and loose formations and processes for producing them

A polymerizable composite composition comprising a) a hydrolysate and/or condensate of at least one hydrolysable alkylsilane having at least one alkyl group, at least one hydrolysable arylsilane having at least one aryl group or at least one hydrolysable alkylarylsilane having at least one alkylaryl group, and at least one hydrolysable silane containing an epoxy group, b) at least one organic compound having at least 2 epoxy groups, and c) a cationic initiator, is suitable to provide, upon curing, substrates with a patterned coating or patterned molded articles. The patterned coatings and molded articles obtained show high relaxation ability, high chemical resistance and mechanical stability. Micropatterns can be obtained with high stability of shape.

Composite composition for micropatterned layers having high relaxation ability, high chemical resistance and mechanical stability

A composition comprising a blocked and/or unblocked isocyanate compound and surface-modified nanoscale solid particles that comprise on the surface thereof organic radicals which comprise groups with an active hydrogen or precursors of such groups.

Wear-resistant optical layers and moulded bodies

Disclosed is a process of preparing a moulded article, comprising 1) hydrolyzing a) at least one silane having one non-hydrolysable organic group, and b) at least one compound selected from b1) a silane having two non-hydrolysable organic groups, and b2) a hydrolysable polysiloxane, or a mixture thereof, and c) optionally at least one silane having no non-hydrolysable organic group, to prepare a composite composition comprising a hydrolysate or condensate, 2) placing the composite composition in a mould, 3) curing the composite composition to increase the degree of condensation, 4) removing the moulded article from the mould, and 5) heat treating the moulded article at a temperature of at least 100&#xb0; C. The moulded article is preferably an optical lens which may be used for automobile headlights.

Siloxane composite-based light-weight optical lenses

An ink jet head is formed with a nozzle surface having a liquid repellent characteristic. The nozzle surface comprises a condensation product made from a hydrolyzable silane compound having a fluorine containing group and a hydrolyzable silane compound having a cationic polymerizable group.

Ink jet head and its manufacture method

The invention relates to a process for producing a hyper-fine cement, in which cement is wet milled in a nonaqueous solvent, if appropriate in the presence of a grinding aid, as a result of which a hyper-fine cement having a particle size Dof &#x3c;1 &#x3bc;m is obtained. The hyper-fine cement is suitable for sealing or strengthening porous molded articles, rock or porous formations, in particular for the gastight sealing of natural gas reservoirs and also for making polymer materials or components composed of pressed textiles or natural fibers fire resistant.

Hyper-fine cement

A consolidation agent for molded articles and geological formations from porous or particulate materials, containing a hydrolysate or precondensate of

Consolidation agents and the use thereof for consolidating molded bodies and geological formations consisting of porous or particulate materials

Described is a consolidant comprising a hydrolyzate or precondensate of at least one organosilane and at least one metal compound, where the molar ratio of silicon compounds to metal compounds is in the range of from 10 000:1 to 10:1. The consolidant can be used for the hydrolysis-stable consolidation of porous or particulate materials to form moldings. The consolidant can be used for the hydrolysis-stable coating of substrates.

Consolidating agent and use thereof for the production of hydrolysis-stable molded members and coatings

A process for producing a crystalline substrate with an optical multi-layer system thereon and the crystalline substrate obtainable thereby. The process comprises the successive application of at least two free-flowing compositions which comprise nanoscale inorganic solid particles comprising at least one of a polymerizable and a polycondensable organic group to a surface of the crystalline substrate and the polymerization and/or polycondensation of the organic groups of the solid particles to form organically crosslinked layers on the substrate and a single-stage thermal consolidation of these layers with a burnout of organic constituents thereof. The at least two compositions give rise to layers with different refractive indices.

Scratch-resistant optical multi-layer system applied to a crystalline substrate

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Saarbruecken-Guedingen, Germany

Helmut Schmidt