Evonik Degussa Gmbh

Degussa Aktiengesellschaft

Degussa - Huls Ag

Apollo Tyres Global R&d B.v.

Compagnie Generale Des Etablissements Michelin

Evonik Operations Gmbh

Anke Blume

Stefan Uhrlandt

Oleg Stenzel

Hans-Detlef Luginsland

Andre Wehmeier

Torsten Peterle

Jaroslaw Monkiewicz

Oliver Klockmann

Mustafa Siray

Ralf Schmoll

Burkhard Freund

Herbert Thoma

Werner Niedermeier

Caren Roeben

Ralph Moser

Juri Tschernjaew

Christian Goetz

Caren Röben

Louis Reuvekamp

Sebastian Rosenstingl

André Wehmeier

Sascha Erhardt

Bernhard Schwaiger

Catherine Mougin

Andrea Korch

Michael Klose

Carmela Mangone

Marinus Haddeman

Kathrin Kunowa

Julia Keck

Michel Klein Gunnewiek

Wisut Kaewsakul

Weicheng Wu

Dörte Kellerhof

Detlef Luginsland

Christian GÖTZ

Kannika Sahakaro

Louis A E M Reuvekamp

Jacques W M Noordermeer

Chesidi Hayichelaeh

Doerte Kellerhof

Caren Roben

Eugenie Karasewitsch

The present invention relates to a method for chemically adhering a diene rubber to a piezoelectric polymer, the method comprising the steps of: a) providing a piezoelectric polymer having at least one surface, b) providing a rubber component having at least one surface and comprising a sulfur cross-linkable rubber composition, c) introducing oxygen-containing functional groups on the at least one surface of the piezoelectric polymer, d) reacting the oxygen-containing functional groups with a compound comprising thiocyanate groups, and e) contacting the surface of the piezoelectric polymer obtained of step d) with the surface of the rubber component, and cross-linking.

Method for chemically adhering a diene rubber to a piezoelectric polymer

Azocarbonyl-functionalized silanes of formula I(R)(R)Si&#x2014;R&#x2014;NH&#x2014;C(O)&#x2014;N&#x2550;N&#x2014;R&#x2003;&#x2003;(I)and methods for their production are provided. The silanes of formula (I) are useful in rubber mixtures to provide moldings having improved tear-resistance.

Azocarbonyl-functionalized silanes

The invention relates to silane-modified silicas having a BET surface area of 40 to 155 m/g, a sulphur content between 0.05% and 25% by weight and a particle size d5 of &#x2265;4 &#x3bc;m, and d50 of &#x2265;16 &#x3bc;m. The silane-modified silicas are used in rubber mixtures.

Silane-modified silicic acid, method for the production and use thereof

The present invention relates to oligomeric organosilanes containing at least two different structural units within a molecule, selected from the structural units A, B, C and D joined in any desired linear, branched or cyclic arrangement, wherein at least one R, R, R, R, Ror Rgroup is an alkyl polyether group &#x2014;O&#x2014;(R&#x2014;O)&#x2014;R,to the preparation thereof and to the use thereof in rubber mixtures.

Oligomeric organosilanes, the production thereof and the use thereof in rubber mixtures

The invention provides mercaptosilane-carbon black blends comprising at least 20 wt. % of mercaptosilanes of the general formula I and carbon black, the mercaptosilane-carbon black blend having an iron content of &#x3c;9 ppm. They are produced by mixing the mercaptosilanes of the general formula I with the carbon black. They can be used in rubber mixtures.

Mercaptosilane-carbon black blend

A rubber mixture, comprising The rubber mixture is produced by mixing at least one rubber, at least one oxidic filler, and at least one silicon containing azodicarbamide of the general formula I. It may be used for moldings.

Rubber mixtures

The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.

Higly dispersible silica for using in rubber

The invention relates to mercaptosilane-polymer blends comprising at least one mercaptosilane of the general formula I and at least one polymer selected from the group of polypropylene, polyethylene and ethylene-vinyl acetate. They are produced by mixing the mercaptosilane of the general formula I with the polymer. They can be used in rubber mixtures.

Mercaptosilane polymer mixture

The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures.

Precipitated silicas as a reinforcing filler for elastomer mixtures

Highly dispersible silica for using in rubber

The present invention relates to precipitated silica containing aluminum, which has an adjustable BET/CTAB ratio, a process for its manufacture and its use.

Aluminum-containing precipitated silicic acid having an adjustable BET/CTAB ratio

Precipitated silicas which have a broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function are useful, for example, for tires.

Precipitated silicas with a particular pore size distribution

A silica having a high degree of dispersibility and a low dust concentration contains at least two silica fractions that differ by at least 10% in at least one value of BET or CTAB surface area or DBP absorption.

Inhomogeneous silicas for elastomer compounds

Precipitated silicic acid

Readily dispersible precipitated silica

Growing community of inventors

Weilerswist, Germany

Anke Blume