Abstract: A siloxane compound is useful as a bonding agent in an adhesive formulation or sealant formation. A kit-of-parts can contain the siloxane compound. A corresponding method can be used to synthesize the siloxane agent.

Abstract: The present invention relates to specific mixtures comprising catenated aminopropyl-functional alkoxysiloxanes of the general formula I and/or cyclic aminopropyl-functional alkoxysiloxanes of the general formula II in which the R groups independently consist of (i) aminopropyl-functional groups of the formula —(CH2)3—NH2,—(CH2)3—NH(CH2)2—NH2 and/or —(CH2)3—NH(CH2)2—NH(CH2)2—NH2, (ii) methoxy and/or ethoxy groups and (iii) optionally butyl or octyl groups, m is an integer from 2 to 30 and n is an integer from 3 to 30, where not more than one aminoalkyl-functional group is bonded to any silicon atom in a compound of the formula I and/or II, and where the quotient of the molar ratio of Si to alkoxy groups is at least 0.3, and to a process for production thereof. These are of excellent suitability for application in adhesives and sealants and are notable here for improved bonding, especially on substrates that are difficult to bond to one another.

Abstract: What are described are compositions comprising a) a polymer modified with at least one silane group (R1)a(X)bSi— in which X is selected from the group of the R2O—, R2NH—, R2O—CO— and (R2)2C?N—O— radicals, R1 and R2 are each independently alkyl, cycloalkyl and/or aryl, a is 0, 1 or 2, b is 1, 2 or 3 and the sum total of a and b is 3, and b) a mixture of catenated and/or cyclic siloxanes of the general formulae I and/or II in which the individual R radicals are each independently alkoxy, alkoxyalkoxy, alkyl, alkenyl, cycloalkyl and/or aryl and some of the R radicals are aminoalkyl-functional groups of the formula —CoH2o—NH2, —CoH2o—NHR?, —CoH2o—NRR?, —CoH2o—NH—CpH2p—NH2 or —CoH2o—NH—CpH2p—NH—CqH2q—NH2, in which R? is alkyl, cycloalkyl or aryl and R takes one of the above definitions or in which R and R? bonded to a nitrogen atom, together with the common nitrogen atom, form a five- to seven-membered heterocyclic ring, in which R? and R take one of the above definitions, o is independently integers from

Abstract: Rubber mixtures, including at least one rubber, a filler, an organosilicon compound of the formula I one rubber accelerator and one co-accelerator. The rubber mixtures are prepared by mixing at least one rubber, a filler, an organosilicon compound of the formula I, one rubber accelerator and one co-accelerator. The rubber mixtures can be used for production of moldings. Also disclosed is a process for preparation of the organosilicon compound of the formula I via transesterification.

Abstract: The invention relates to a method for producing organosilanes of general formula I, [R(R)(R?O)Si—R?—]2Sm??I by reaction of (halo-organo)alkoxysilanes of formula II, [R(R)(R?O)Si—R?-Hal??II with a sulfuring reagent, selected from alkaline hydrogensulfide, alkaline sulfide Me2S, alkaline polysulfide Me2Sg and any combination thereof and optionally additionally with sulfur and/or with H2S in a solvent, the alkaline hydroxy content of all materials used being <0.44 wt. %.

Abstract: The invention relates to a process for preparing organosilanes of the general formula I by reacting (haloorganyl)alkoxysilane of the formula II with hydrous alkali metal hydrogensulphide, sulphur and alkali metal carbonate in alcohol, wherein the molar (haloorganyl)alkoxysilane of the formula II to alkali metal hydrogensulphide ratio is between 1:0.4 and 1:0.75, and the molar alkali metal hydrogensulphide to alkali metal carbonate ratio is between 1:0.5 and 1:1.5.

Abstract: The invention relates to a method for producing (mercaptoorganyl)alkyl polyether silanes by reacting dry mercaptization reagents with a (haloorganyl)alkyl polyether silane.

Abstract: The invention relates to rubber mixtures, comprising: (A) at least one rubber, (B) at least one oxidic filler and (C) at least one (haloorganyl)alkylpolyethersilane of the general formula (X)(X?)(X?)Si—RI-Hal. The rubber mixtures can be used for production of mouldings.

Abstract: The invention relates to a process for preparing organosilanes of the general formula I by reacting (haloorganyl)alkoxysilane of the formula II with hydrous alkali metal hydrogensulphide, sulphur and alkali metal carbonate in alcohol, wherein the molar (haloorganyl)alkoxysilane of the formula II to alkali metal hydrogensulphide ratio is between 1:0.4 and 1:0.75, and the molar alkali metal hydrogensulphide to alkali metal carbonate ratio is between 1:0.5 and 1:1.5.

Abstract: The invention relates to rubber mixtures, comprising: (A) at least one rubber, (B) at least one oxidic filler and (C) at least one (haloorganyl)alkylpolyethersilane of the general formula (X)(X?)(X?)Si—R1—Hal. The rubber mixtures can be used for production of mouldings.

Abstract: Rubber mixtures, including at least one rubber, a filler, an organosilicon compound of the formula I one rubber accelerator and one co-accelerator. The rubber mixtures are prepared by mixing at least one rubber, a filler, an organosilicon compound of the formula I, one rubber accelerator and one co-accelerator. The rubber mixtures can be used for production of mouldings. Also disclosed is a process for preparation of the organosilicon compound of the formula I via transesterification.

Abstract: A process for the preparation or organosilanes of the formula I by reacting a (haloorganyl)alkoxysilane of the formula II with a sulphurization reagent selected from the group consisting or alkali metal hydrogen sulphide, alkali metal sulphide Me2S, alkali metal polysulphide Me2Sg and any desired combinations thereof, and optionally additionally with sulphur and/or with H2S, in an alcohol, the Me2S or Me2Sg containing more than 10% by weight of water and the alkali metal hydrogen sulphide containing more than 3% by weight of water.

Abstract: The invention relates to a method for producing (mercaptoorganyl)alkyl polyether silanes by reacting dry mercaptization reagents with a (haloorganyl)alkyl polyether silane.

Abstract: Organosilicon compounds of the general formula I and/or II are produced by reacting silanes of the general formula III with alcohols of the general formula R?—OH, with elimination of R—OH, wherein R—OH may be continuously separated from the reaction mixture by distillation. The organosilicon compounds may be used in rubber mixtures. Compounds, such as rubbers, produced using such organosilicon compounds.

Abstract: Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic or siliceous fillers are used in rubber compounds.

Abstract: A process for the preparation or organosilanes of the formula I by reacting a (haloorganyl)alkoxysilane of the formula II with a sulphurization reagent selected from the group consisting or alkali metal hydrogen sulphide, alkali metal sulphide Me2S, alkali metal polysulphide Me2Sg and any desired combinations thereof, and optionally additionally with sulphur and/or with H2S, in an alcohol, the Me2S or Me2Sg containing more than 10% by weight of water and the alkali metal hydrogen sulphide containing more than 3% by weight of water.

Abstract: The present invention relates to a process for the preparation of (mercaptoorganyl)-alkoxysilanes by reacting an alkali metal sulfide with a mixture of (haloorganyl)alkoxysilane and (haloorganyl)halosilane in an alcohol with the exclusion of air and under elevated pressure.

Abstract: The present invention is directed to a process for preparing (mercaptoorganyl)alkoxysilanes by conversion of alkali-metal hydrogensulfide with a mixture of (haloorganyl)alkoxysilane and (haloorganyl)halosilane in an alcohol with air excluded and at an elevated pressure.

Abstract: Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic or siliceous fillers are used in rubber compounds.