Abstract: Curable organopolysiloxane compositions contain (A) organopolysiloxane resins consisting of units of the formula RaR1b(OR2)cSiO(4?a?b?c)/2 ??(I), with the proviso that in formula (I) the sum of a+b+c?3, in at least one unit of the formula (I) b=1, in at least 50% of the units of the formula (I) a+b=1 and in at most 10% of the units of the formula (I) a+b=3, based in each case on all siloxane units of the formula (I) in organopolysiloxane resin (A), (B) organic compounds having at least one unit of the formula CR32=CR3—CO—Z—??(II), (C) initiators, (D) fillers and (K) amines, wherein the radicals and indices have the definition specified in claim 1. When coarse and fine grained fillers are employed, the composition can be used to mold artificial stone.

Abstract: Compositions containing an aliphatically unsaturated silicone resin, an organic compound containing a (meth)acrylate or (meth)acrylamide group, a free radical initiator, and an organylammonium salt are useful in preparing composite articles, especially artificial stone.

Abstract: Branched organopolysiloxanes are prepared from alkoxysilanes and polydiorganosiloxanes over two stages by basic equilibration and subsequent acid-catalyzed reaction with water to the desired degree of condensation, wherein the entire process does not require the use of additional organic solvent, no wastewater is generated and the process is particularly suitable for the controlled production of so-called DT resins.

Abstract: A crosslinkable composition is based on organosilicon compounds that include (A) organopolysiloxanes of the formula (I), the formula (I) being (R7O)3-aSiR3aO(SiR42O)nSiR3a(OR7)3-a, and (B) siloxanes of the formula (II), the formular (II) being with the proviso that the sum of all x in formula (II) is greater than 0.

Abstract: Addition curable composition containing specific silicone resins containing aliphatically unsaturated groups and an organic compound containing unsaturated groups such as acrylate or methacrylate groups are suitable when used with fine and coarse fillers to produce artificial stone with both high hardness and high flexural strength.

Abstract: Curable organopolysiloxane compositions contain (A) organopolysiloxane resins consisting of units of the formula RaR1b(OR2)cSiO(4-a-b-c)/2 ??(I), with the proviso that in formula (I) the sum of a+b+c?3, in at least one unit of the formula (I) b=1, in at least 50% of the units of the formula (I) a+b=1 and in at most 10% of the units of the formula (I) a+b=3, based in each case on all siloxane units of the formula (I) in organopolysiloxane resin (A), (B) organic compounds having at least one unit of the formula CR32?CR3—CO—Z—??d(II), (C) initiators, (D) fillers and (K) amines, wherein the radicals and indices have the definition specified in claim 1. When coarse and fine grained fillers are employed, the composition can be used to mold artificial stone.

Abstract: Branched organopolysiloxanes are prepared from alkoxysilanes and polydiorganosiloxanes over two stages by basic equilibration and subsequent acid-catalyzed reaction with water to the desired degree of condensation, wherein the entire process does not require the use of additional organic solvent, no wastewater is generated and the process is particularly suitable for the controlled production of so-called DT resins.

Abstract: Addition curable composition containing specific silicone resins containing aliphatically unsaturated groups and an. organic compound containing unsaturated groups such as acrylate or methacrylate groups are suitable when used with fine and coarse fillers to produce artificial stone with both high hardness and high flexural strength.

Abstract: Synthesis of organyloxyfunctional organosilicon compounds is facilitated by a two-step process using a basic lithium, guanidine or amidine catalyst in the first step, and a phosphorus compound having a P?O linkage in a second step.

Abstract: Aqueous dispersions which are storage stable and cure to tack-free elastomers upon removal of water contain water, alkoxysilyl-terminated polyethers and alkoxy-functional siloxanes, optionally catalysts, fillers, and other additives customary in dispersions of organosilicon compounds.

Abstract: Artificial stone having excellent mechanical and weatherability properties is prepared from a highly filled crosslinkable organosilicon composition where the filler comprises at least 20 weight percent of coarse fillers, the organosilicon component contains silicon-bonded alkoxy and or hydroxyl groups, with a catalyst containing a metal compound and an amidine or guanidine.

Abstract: Multistep continuous and semicontinuous hydrolysis and condensation of chlorosilanes with alcohol containing minimal water in a column in a first step to form a silicone resin intermediate, followed by further condensation provides silicone resins in reproducible fashion substantially free of hydrogen chloride, without reactor gelatin.

Abstract: Multistep continuous and semicontinuous hydrolysis and condensation of chlorosilanes with alcohol containing minimal water in a column in a first step to form a silicone resin intermediate, followed by further condensation provides silicone resins in reproducible fashion substantially free of hydrogen chloride, without reactor gelatin.

Abstract: Moisture-curing adhesives simultaneously having high tensile strength and elongation are prepared by admixing a silane-terminated polyurethane or polyether polymer having a defined and limited molecular weight, finely divided silica, and an organosilicon compound containing basic nitrogen.

Abstract: Synthesis of organyloxyfunctional organosilicon compounds is facilitated by a two-step process using a basic lithium, guanidine or amidine catalyst in the first step, and a phosphorus compound having a P?O linkage in a second step.

Abstract: Highly condensed silicon resins are obtained by a three step continuous procedure without the use of organic solvent, by preliminarily forming a partial alkoxylate by reacting a chlorosilane with alcohol containing no or a minimal amount of water, feeding the partial alkoxylate to a reaction column to form a silicone resin of low degree of condensation, and further condensing the silicone resin intermediate thus formed to produce a silicone resin product.

Abstract: Aqueous dispersions which are storage stable and cure to tack-free elastomers upon removal of water contain water, alkoxysilyl-terminated polyethers and alkoxy-functional siloxanes, optionally catalysts, fillers, and other additives customary in dispersions of organosilicon compounds.

Abstract: Highly condensed silicon resins are obtained by a three step continuous procedure without the use of organic solvent, by preliminarily forming a partial alkoxylate by reacting a chlorosilane with alcohol containing no or a minimal amount of water, feeding the partial alkoxylate to a reaction column to form a silicone resin of low degree of condensation, and further condensing the silicone resin intermediate thus formed to produce a silicone resin product.

Abstract: Artificial stone having excellent mechanical and weatherability properties is prepared from a highly filled crosslinkable organosilicon composition where the filler comprises at least 20 weight percent of coarse fillers, the organosilicon component contains silicon-bonded alkoxy and or hydroxyl groups, with a catalyst containing a metal compound and an amidine or guanidine.

Abstract: A method for operating a control panel of an aircraft includes: sending display data from a control panel to a central controller of the aircraft, the display data including values to be displayed on a display screen of the control panel; loading, in the central controller, a display template from a central data storage, the display template including information for layouting the display data; generating a display page for the control panel in the central controller by merging the display data and the display template; sending the display page to the control panel; and displaying the display page on a display screen of the control panel.