Abstract: 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—(s)x—S—B??(I) where x is 0, 1, 2, 3 or 4, and A and B, independently of one another, are an optionally derivatised carboxyalkyl, carboxyaryl or hydroxyaryl group, and comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of 1,6-bis(N,N-dibenzylthiocarbamoyldithio)hexane (CAS No.: 151900-44-6).

Abstract: 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—(S)x—S—Y—S—(S)x—S-A??(I) where x is 0, 1 or 2, Y is an aliphatic, cycloaliphatic or aromatic group that is optionally substituted or else comprises heteroatoms and A is an optionally substituted hydroxyethyl, carboxyaryl, hydroxyaryl, carboxyalkyl or thionamide moiety, and comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of 1,6-bis(N,N-dibenzylthiocarbamoyldithio)hexane (CAS No.: 151900-44-6).

Abstract: 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: one or more rubbers, one or more hydroxylated oxidic fillers, one or more sulphur-containing organosilicon and/or one or more hydroxypolysulphidic compounds, one or more anti-reversion agents selected from 1,6-bis(N,N-dibenzyl-thiocarbamoyldithio)hexane (CAS No.: 151900-44-6), 1,3-bis((3-methyl-2,5-dioxopyrrol-1-yl)methyl)benzene (CAS No.: 119462-56-5) and hexamethylene 1,6-bis(thiosulphate), disodium salt, dihydrate (CAS No.: 5719-73-3), individually and mixtures thereof, where these are incorporated into the mixture in the first mixing stage, one or more vulcanization additives, one or more rubber additives.

Abstract: 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.

Abstract: 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: one or more rubbers, one or more hydroxylated oxidic fillers, one or more sulphur-containing organosilicon and/or one or more hydroxypolysulphidic compounds, one or more anti-reversion agents selected from 1,6-bis(N,N-dibenzyl-thiocarbamoyldithio)hexane (CAS No.: 151900-44-6), 1,3-bis((3-methyl-2,5-dioxopyrrol-1-yl)methyl)benzene (CAS No.: 119462-56-5) and hexamethylene 1,6-bis(thiosulphate), disodium salt, dihydrate (CAS No.: 5719-73-3), individually and mixtures thereof, where these are incorporated into the mixture in the first mixing stage, one or more vulcanization additives, one or more rubber additives.

Abstract: The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.

Abstract: The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises 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) in which x is 0, 1, 2, 3 or 4 R1 to R4 are identical or different and are hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or a group —CH2—OR5, —CH2—CH2—OR5, —NHR5, —COR5, —COOR5, —CH2COOR5, where R5=hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C1-C6-acyl, and R6 to R7 are identical or different and are hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or a group —CH2—OR5, —CH2—CH2—OR5, —NHR5, —COR5, —COOR5, —CH2COOR5, where R5=hydrogen, C1-C6-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C1-C6-acyl and y and z are mutually independently 0, 1 or 2.

Abstract: The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.

Abstract: Use of pigments of the formula (I) containing melamine as guest compound and having a dispersion harshness of more than 250 as pigments for color filters for liquid-crystal displays.

Abstract: Process for preparing metal compounds of an azo compound which conforms in the form of its tautomeric structures to the formula (I) characterized in that the preparation takes place in the presence of seed crystals.

Abstract: The use of fluorine-substituted perylenes in color filters for liquid-crystal displays is described.

Abstract: Process for preparing pigments of the formula (I) or tautomeric structures thereof and their hydrates, containing melamine or melamine derivatives as guest(s), characterized in that the azobarbituric mono-salt of the formula (II) is reacted with a nickel compound and melamine or a melamine derivative in the presence of the free azobarbituric acid of the formula (III), the cation C1? is any desired univalent cation or the fraction of any desired multivalent cation that corresponds to a positive charge of one, except for H+.

Abstract: Use of pigments of the formula (I) containing melamine as guest compound and having a dispersion harshness of more than 250 as pigments for colour filters for liquid-crystal displays.

Abstract: Use of pigments of the formula (I) containing melamine as guest compound and having a dispersion harshness of more than 250 as pigments for color filters for liquid-crystal displays.

Abstract: Use of fluorine-substituted perylenes in colour filters for liquid-crystal displays.

Abstract: Use of quinacridones of the formula (I) in which A is an organic radical substituted by one or more fluorine atoms, B is H, F, Cl, Br or an optionally substituted organic radical which may optionally together with A form a ring in colour filters for LCDs.

Abstract: Process for preparing pigments of the formula (I) or tautomeric structures thereof and their hydrates, containing melamine as guest, characterized in that a mixture of the azobarbituric mono-cation salt (II) and the azobarbituric di-cation salt (III) is reacted with a nickel compound and melamine, in which cation1, cation2 and cation3 independently of one another are any desired univalent cations or the fraction of any desired multivalent cation that corresponds to a positive charge of one.

Abstract: Process for preparing pigments of the formula (I) or tautomeric structures thereof and their hydrates, containing melamine as guest, characterized in that a mixture of the azobarbituric mono-cation salt (II) and the azobarbituric di-cation salt (III) is reacted with a nickel compound and melamine, in which cation1, cation2 and cation3 independently of one another are any desired univalent cations or the fraction of any desired multivalent cation that corresponds to a positive charge of one.

Abstract: The present invention is directed to pigment formulations comprising at least one metal complex of an azo compound which in the form of its tautomeric structures generally conforms to the formula (I) The invention is further directed to processes for their production of the metal complexes and their use and particularly to color filters and the use of the color filters.

Abstract: The present invention relates to preparations composed of metal salts of organic phosphonic acids which feature high thermal stability, for use as flame retardants in engineering thermoplastics, and also to a process for preparation of these preparations.