Abstract: The invention relates to silane compounds of the general formula (I) as defined herein containing at least one heteroatom bridged to a silicon atom via a sp2-hybridized quaternary carbon atom, a process for preparing the silane compounds, and the use of the silane compounds as end-capping agent, crosslinker, and/or adhesion promoter in curable compositions.

Abstract: The present invention relates to two-component (2K) silicone-based adhesive compositions comprising an adhesion promotor, as well as to the use of such compositions. Furthermore, the present invention is directed to the use of a —Si(ORa)3 terminated polyorganosiloxane prepolymer, as described herein, for improving the adhesive properties of silicone-based adhesive compositions.

Abstract: The present disclosure is directed to a radiation curable composition comprising a (meth)acrylate functionalized polysiloxane polymer. In some embodiments the composition further comprises one or more of a crosslinker, fumed silica, a functionalized silsesquioxane, and/or an acrylate monomer. The composition can be used as a component of an adhesive, sealant or coating. In some embodiments the composition can be used as a curable resin for additive manufacturing. The compositions are low viscosity liquids at room temperature and resist compression set.

Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C. and can retain physical properties after exposure to temperatures between 250° C. to 300° C.

Abstract: The present invention relates to moisture curable compositions based on silane-terminated polymers in paste form that can be used as 3D printing materials and provide isotropic and elastomeric properties. The invention further relates to the use thereof as 3D printing materials and printing methods using said compositions.

Abstract: The present disclosure relates to a radiation or radiation/moisture dual curable compositions based on (meth)acrylate polymers or (meth)acrylate- and silane-terminated polymers. The invention further relates to their use as an adhesive, sealant and/or coating material, and adhesive, sealant and/or coating materials comprising said curable composition thereof.

Abstract: The present invention relates to radiation or radiation/moisture dual curable polymers and methods for their manufacture. These polymers are useful for various applications in the fields of adhesives, coatings, and sealants. The radiation curable polymers comprise at least one terminal group of the general formula (I) -A1-C(?O)—CR1?CH2??(I), wherein A1 is a divalent bonding group containing at least one heteroatom; and R1 is selected from H and C1-C4 alkyl, preferably H and methyl; wherein the polymer backbone is selected from the group consisting of polyoxyalkylenes, poly(meth)acrylates, polyesters, and combinations thereof.

Abstract: The present invention relates to radiation or dual radiation/moisture curable compositions based on (meth)acrylate- and silane-terminated polyorganosiloxanes that can be used as 3D printing materials and provide isotropic and elastomeric properties. The invention further relates to the use thereof as 3D printing materials and printing methods using said compositions.

Abstract: The present invention relates to radiation of dual radiation/moisture curable compositions based on (meth)acrylate- and silane-terminated polymers that can be used as 3D printing materials and provide isotropic and elastomeric properties. The invention further relates to the use thereof as 3D printing materials and printing methods using said compositions.

Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C. and can retain physical properties after exposure to temperatures between 250° C. to 300° C.

Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. The mixed parts have a low viscosity allowing injection under low pressure. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C.

Abstract: The present invention relates to two-component (2K) silicone-based adhesive compositions comprising an adhesion promotor, as well as to the use of such compositions. Furthermore, the present invention is directed to the use of a —Si(ORa)3 terminated polyorganosiloxane prepolymer, as described herein, for improving the adhesive properties of silicone-based adhesive compositions.

Abstract: A thermoplastic composition which comprises at least one polyamide, which preferably has a melting point of less than 185° C., and at least one liquid polysiloxane compound which preferably has a viscosity of 750 to 100,000 mPas at 25° C. and is OH terminated, wherein the thermoplastic composition is obtainable by a process comprising the steps: 1a) heating the at least one polyamide to a temperature above the melting point of the at least one polyamide and preferably below 185° C.; 2a) adding under stirring the at least one liquid polysiloxane compound to the heated compound(s) of step 1a), wherein the temperature is kept above the melting point of the at least one polyamide and preferably below 185° C.; and 3a) mixing the obtained mixture of step 2a) preferably at 80° to 180° C., more preferably 110 to 140° C. Use of this the thermoplastic composition according to the present invention in sealants, adhesives, or as rheological modifier or surface modifier.

Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. The mixed parts have a low viscosity allowing injection under low pressure. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C.

Abstract: A thermoplastic composition which comprises at least one polyamide, which preferably has a melting point of less than 185° C., and at least one liquid polysiloxane compound which preferably has a viscosity of 750 to 100,000 mPas at 25° C. and is OH terminated, wherein the thermoplastic composition is obtainable by a process comprising the steps: 1a) heating the at least one polyamide to a temperature above the melting point of the at least one polyamide and preferably below 185° C.; 2a) adding under stirring the at least one liquid polysiloxane compound to the heated compound(s) of step 1a), wherein the temperature is kept above the melting point of the at least one polyamide and preferably below 185° C.; and 3a) mixing the obtained mixture of step 2a) preferably at 80° to 180° C., more preferably 110 to 140° C. Use of this the thermoplastic composition according to the present invention in sealants, adhesives, or as rheological modifier or surface modifier.

Abstract: Silicone grease with high cold cohesion, characterized in that it comprises at least one oily diorganopolysiloxane polymer, 10% to 30% by weight of organometallic soap(s) and 5% to 20% by weight of chloroparaffin(s). Use of said grease as a treating and/or protecting and/or lubricating agent in the field of moving metallic mobile components, with good cohesion, especially when cold, thus making it possible to avoid, inter alia, skating phenomena, especially when cold, between components involved in a drive device.