Abstract: A method for bonding a first substrate with a second substrate, with the following sequence: production of a first amorphous layer on the first substrate and/or production of a second amorphous layer on the second substrate, bonding of the first substrate with the second substrate at the amorphous layer or at the amorphous layers to form a substrate stack, irradiation of the amorphous layer or the amorphous layers with radiation in such a way that the amorphous layer or the amorphous layers is/are transformed into a crystalline layer or crystalline layers.

Abstract: A method for bonding a first substrate with a second substrate, with the following sequence: production of a first amorphous layer on the first substrate and/or production of a second amorphous layer on the second substrate, bonding of the first substrate with the second substrate at the amorphous layer or at the amorphous layers to form a substrate stack, irradiation of the amorphous layer or the amorphous layers with radiation in such a way that the amorphous layer or the amorphous layers is/are transformed into a crystalline layer or crystalline layers.

Abstract: A method for bonding a first substrate with a second substrate, with the following sequence: production of a first amorphous layer on the first substrate and/or production of a second amorphous layer on the second substrate, bonding of the first substrate with the second substrate at the amorphous layer or at the amorphous layers to form a substrate stack, irradiation of the amorphous layer or the amorphous layers with radiation in such a way that the amorphous layer or the amorphous layers is/are transformed into a crystalline layer or crystalline layers.

Abstract: A method for bonding a first substrate with a second substrate, with the following sequence: production of a first amorphous layer on the first substrate and/or production of a second amorphous layer on the second substrate, bonding of the first substrate with the second substrate at the amorphous layer or at the amorphous layers to form a substrate stack, irradiation of the amorphous layer or the amorphous layers with radiation in such a way that the amorphous layer or the amorphous layers is/are transformed into a crystalline layer or crystalline layers.

Abstract: A pilot assembly includes a body portion including an outer surface and an opening defined in the outer surface. A pilot is configured for extending through an alignment hole in a sheet of material and is coupled with the body portion. A shaft of the pilot extends through the opening and beyond the outer surface. A stripper includes a bushing and a resilient biasing member. The bushing is configured for moving with respect to the main body portion and the pilot to push the sheet of material off of the pilot. The resilient biasing member is situated within the body portion and is compressed when the bushing engages the sheet of material.

Abstract: The invention relates to aqueous dispersions, characterized in that they comprise (c) at least one aqueous silicon dioxide dispersion with a mean particle diameter of the SiO2-particles of 1 to 400 nm and (d) at least one water-soluble hydroxyl-containing organic compound, to a process for their preparation and to their use in adhesive and coating formulations.

Abstract: A light-permeable heat-protection element including at least one support element and at least one protective coating containing a reaction product which includes an aqueous alkali silicate solution and aluminate-modified or borate-modified silicon dioxide.

Abstract: A pilot assembly includes a body portion including an outer surface and an opening defined in the outer surface. A pilot is configured for extending through an alignment hole in a sheet of material and is coupled with the body portion. A shaft of the pilot extends through the opening and beyond the outer surface. A stripper includes a bushing and a resilient biasing member. The bushing is configured for moving with respect to the main body portion and the pilot to push the sheet of material off of the pilot. The resilient biasing member is situated within the body portion and is compressed when the bushing engages the sheet of material.

Abstract: A light-permeable heat-protection element including at least one support element and at least one protective coating containing a reaction product which includes an aqueous alkali silicate solution and aluminate-modified or borate-modified silicon dioxide.

Abstract: The invention relates to aqueous dispersions, characterized in that they comprise (c) at least one aqueous silicon dioxide dispersion with a mean particle diameter of the SiO2-particles of 1 to 400 nm and (d) at least one water-soluble hydroxyl-containing organic compound, to a process for their preparation and to their use in adhesive and coating formulations.

Abstract: The invention relates to a process for producing a molding, characterized in that a silicatic solid is mixed with a solution comprising a first silicatic binder and the mixture is then press-molded, and the compression molding is then post-treated with a solution comprising a second silicatic binder, and to silicatic moldings obtainable by this process, and also to their use as construction material, insulator material, gasket material or fire-resistant material.

Abstract: The invention relates to a process for producing a molding, characterized in that a silicatic solid is mixed with a solution comprising a first silicatic binder and the mixture is then press-molded, and the compression molding is then post-treated with a solution comprising a second silicatic binder, and to silicatic moldings obtainable by this process, and also to their use as construction material, insulator material, gasket material or fire-resistant material.

Abstract: The invention relates to a process for producing a molding, characterized in that a silicatic solid is mixed with a solution comprising a first silicatic binder and the mixture is then press-molded, and the compression molding is then post-treated with a solution comprising a second silicatic binder, and to silicatic moldings obtainable by this process, and also to their use as construction material, insulator material, gasket material or fire-resistant material.

Abstract: An airbag configuration for braking the landing impact of flying payloads has a central airbag (17) and at least one torus ring (11, 12, 13) surrounding the central airbag. A payload (L) is attachable on the central airbag (17). A stabilizing device (19) is provided which extends from the lowermost portion of the at least one torus ring (11, 12, 13) to the central airbag (17). The central airbag provides primarily vertical braking of the landing impact while the torus ring provides primarily horizontal braking of the landing impact.

Abstract: A continuous process for preparing bead-form expandable styrene polymers in which the styrene is prepolymerized in bulk to a conversion of 10 to 80%, the prepolymer is dispersed in liquid form in an aqueous phase in the presence of suspension stabilizers, and the polymerization of the prepolymer is completed in an aqueous suspension to a residual styrene content of less than 2000 ppm.

Abstract: A landing process and arrangement for payloads from aerospace missions with a steerable gliding body deployable at high altitudes for accurately returning the payload to the earth surface wherein delicate and stressable elements of the payload are to be recovered. The gliding body is filled with a light gas during its deployment, and the aerostatic lift must be lower than the weight of the landing unit. The payload is divided into a body with delicate elements and a body with stressable elements, wherein the body with the stressable elements is suspended on a pulling element at a spaced location under the other body. After the lower body has come into contact with the ground, the upper body is maintained suspended aerostatically.

Abstract: Low viscosity amphoteric surfactants are prepared by quaternization of low diamine content imidazolines by a process in which certain addition and temperature parameters are strictly observed. Imidazolines suitable as a starting material may be obtained by heating fatty acids and aminoethanolamine in an inert solvent until water is eliminated, removing the water formed from the reaction mixture by azeotropic distillation and, finally, distilling off the solvent and the residual amine.

Abstract: A needle package from a panel with needle pockets adjacent to each other and clamping webs protruding into the pockets comprising a withdrawal cavity extending transversely to the pockets and slit pocket walls in the area of the clamping webs.

Abstract: An additive for cleaning preparations comprising a foam-inhibitive effective amount of a compound of the formulaR.sup.1 --CHOH--CHR.sup.2 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sup.3wherein:R.sup.1 is a straight-chain C.sub.6-16 -alkyl;R.sup.2 is H or a C.sub.1-8 -alkyl;R.sup.3 is a straight-chain or branched C.sub.4-8 -alkyl; andn is a number average of about 7 to 12;with the proviso that the total number of carbon atoms in R.sup.1 and R.sup.2 is between 6 and 16; and a method of inhibiting foam.

Abstract: Process for the manufacture of quaternary ammonium compounds by reacting a compound having a terminal epoxide troup with a salt of a tertiary amine in the presence of a quaternary ammonium compound as catalyst.