Lanxess Deutschland Gmbh

Bayer Aktiengesellschaft

Arlanxeo Deutschland Gmbh

Rhein Chemie Rheinau Gmbh

Hermann-Josef Weidenhaupt

Ulrich Feldhues

Thomas Scholl

Melanie Wiedemeier-Jarad

Heinz Unterberg

Hartmuth Buding

Josef Hahn

Ulrich Eisele

Winfried Jeske

Melanie Wiedemeier

Irene Moll

Thomas Kleiner

Uwe Zettl

Marco Runk

Heinrich Konigshofen

Peter Wendling

Ludger Heiliger

Heike Kloppenburg

Hans-Wilhelm Engels

Torsten Ziser

Harald Kleinknecht

Stefan Kelbch

Stefan Grabowski

Alicia Le-Sattler

Thomas Fr&uuml;h

Benjamin Bechem

Heinrich K&ouml;nigshofen

Cristian Oprisoni

Nele De Smet

Jens-Hendrik Fischer

Stephan Meese

Nicole Häp

J&uuml;rgen Ackermann

Robert-Hans Schuster

Joachim Kiesekamp

Andreas Mihalyi

Nesibe Ucal

Petra Pallogh

Martin Säwe

Joerg Hagemann

Martin Saewe

The present invention relates to adhesive mixtures containing resorcinol and/or resorcinol esters, melamine formaldehyde ethers and sulfenamide derivatives and also silica for use in rubbers, to the production thereof, to vulcanizates and composite articles produced therefrom and to the use thereof.

Adhesive mixtures for uncured rubbers

Rubber mixtures containing at least one rubber, at least one filler and at least one compound of formula wherein

Rubber mixtures containing sulfur-containing organosilicon compounds

The invention relates to processing additive mixtures comprising at least one polyol, amide and/or carboxylic acid, optionally auxiliaries for crystallization and at least one organic ammonium salt. Said processing additive mixtures allow the optimization of the vulcanization behavior of rubber mixtures and the properties of vulcanizates obtained by said vulcanization.

Processing additive mixtures

The invention relates to substantially diphenylguanidine-free rubber mixtures comprising at least one rubber, one silica-based filler and/or carbon black and short-chain alkyl esters of glycerol, production of these, use and vulcanizates thus obtainable.

Diphenylguanidine-free rubber mixtures containing short-chain alkyl esters of glycerin

Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I): 

Functionalized polymer composition

The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products and from 0.1 to 15 phr of a polysulphide additive of the formula (I)A-S&#x2014;(S)&#x2014;S&#x2014;Y&#x2014;S&#x2014;(S)&#x2014;S-A&#x2003;&#x2003;(I)where x is 0, 1 or 2,

Rubber blends containing silicic acid and comprising additives containing sulphur

A silica-containing rubber mixture is produced from a rubber, a sulphur-containing alkoxysilane, a crosslinking agent, a silica-containing filler, and 0.1 to 15 parts by weight, based on 100 parts by weight of the rubber, of a silicon-free polysulphide additive of the formula (I)A-S-(S)-S-Bwhere x is 0-4, and A and B are the same or different, are alkyl or aryl, and contain at last one oxygen, which may be in the form of a carboxyl group.

Rubber mixtures containing silicic acid and sulfur-containing additives

A silica-containing rubber mixture includes at least one rubber, a sulphur-containing alkoxysilane, a crosslinking agent, a filler, and optionally further rubber auxiliaries, and the mixture also includes from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a silicon-free polysulphide additive of the formula (I)A-S&#x2014;(S)&#x2014;S&#x2014;Y&#x2014;S&#x2014;(S)&#x2014;S-A&#x2003;&#x2003;(I)where x is 0, 1 or 2, Y is an optionally substituted or heteroatom-containing aliphatic, cycloaliphatic or aromatic group, and A may include hydroxy, carboxy, or carboxyphenyl groups.

The present invention relates to novel polysulfides mixtures comprising compounds of the formula (I) where n is from 2 to 6, and R is C-C-alkyl, to processes for the production of said polysulfides mixtures, to use of these for the production of rubber matures, and to rubber vulcanizates produced therefrom.

Polysulfide mixtures, method for the production thereof, and use of the polysulfide mixtures in rubber mixtures

The present invention relates to rubber mixtures comprising respectively at least one rubber, one sulfur-containing alkoxysilane, one silicon-based filler, and one &#x3c9;-mercaptocarboxylic ester of polyhydric alcohols.

Siliceous rubber mixtures containing omega-mercaptocarboxylic acid ester of polyvalent alcohols

The invention relates to rubber mixtures comprising at least in each case one nonpolar rubber, carbon black, and short-chain alkyl esters of glycerol, production of these, use, and the vulcanizates thus obtainable.

Rubber mixtures containing short-chain alkyl esters of glycerin

The present invention relates to new crosslinked organosilicon polysulphides, to processes for preparing them and to their use as additives for plastics and/or rubbers.

Cross-linked organosilicon polysulfides

The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products, wherein this mixture comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a polysulphide additive of the formula (I)A-S&#x2014;(S)&#x2014;S&#x2014;B&#x2003;&#x2003;(I)

The present invention relates to a process for producing rubber mixtures in a mixing process with, for example, a plurality of mixing stages, where these can optionally be divided into a plurality of sub-steps, comprising the mixing of the following components:

Method for producing rubber mixtures

The invention relates to a process for preparing dithiols derivatized with dithiocarbamic acids, in which the derivatized dithiols are obtained in high yield and purity.

Growing community of inventors

Pulheim, Germany

Hermann-Josef Weidenhaupt