Abstract: Proposed is a polycondensation product comprising as monomer components at least one aryl polyoxyalkylene ether, at least one vicinally disubstituted aromatic compound, at least one aldehyde and also optionally further aromatic compounds; processes for preparing same, and also use thereof as dispersant for aqueous suspensions of inorganic binders and as grinding assistant for inorganic binders.

Abstract: Proposed is a polycondensation product comprising as monomer components at least one aryl polyoxyalkylene ether, at least one vicinally disubstituted aromatic compound, at least one aldehyde and also optionally further aromatic compounds; processes for preparing same, and also use thereof as dispersant for aqueous suspensions of inorganic binders and as grinding assistant for inorganic binders.

Abstract: The invention relates to a method for grinding an inorganic solid from the series cement clinker, pozzolan and/or raw material for cement production, where a grinding additive is added before or during grinding, and the grinding additive, based on the dry mass, comprises 6% to 80% by weight of caprolactam and 1.5% to 30% by weight of aminocaproic acid, where, based in each case on the dry mass, 0.002% to 2% by weight of the grinding additive is used, based on the total solid. Further claimed are a grinding additive and the use thereof for increasing the compressive strength of the cured product produced therewith.

Abstract: The invention relates to a method for producing a hydraulic binder, comprising contacting a composition comprising cement clinker, before, during or after the grinding procedure, with (a) a defoaming agent and (b) 0.0005% to 2% by weight, based on the total composition, of at least one air-introducing compound, the defoaming agent (a) comprising 0.0001% to 0.5% by weight, based on the total composition, of at least one defoaming agent of the formula R10—(CmH2m—O—)x—(CdH2d—O—)c—H and the ratio of (a) to (b) being between 1:1 to 1:200.

Abstract: The invention relates to a method for grinding an inorganic solid from the series cement clinker, pozzolan and/or raw material for cement production, where a grinding additive is added before or during grinding, and the grinding additive, based on the dry mass, comprises 6% to 80% by weight of caprolactam and 1.5% to 30% by weight of aminocaproic acid, where, based in each case on the dry mass, 0.002% to 2% by weight of the grinding additive is used, based on the total solid. Further claimed are a grinding additive and the use thereof for increasing the compressive strength of the cured product produced therewith.

Abstract: The invention relates to a method for producing a hydraulic binder, comprising contacting a composition comprising cement clinker, before, during or after the grinding procedure, with (a) a defoaming agent and (b) 0.0005% to 2% by weight, based on the total composition, of at least one air-introducing compound, the defoaming agent (a) comprising 0.0001% to 0.5% by weight, based on the total composition, of at least one defoaming agent of the formula R10—(CmH2m—O—)x—(CdH2d—O—)c—H and the ratio of (a) to (b) being between 1:1 to 1:200.

Abstract: Proposed is a polycondensation product comprising as monomer components at least one aryl polyoxyalkylene ether, at least one vicinally disubstituted aromatic compound, at least one aldehyde and also optionally further aromatic compounds; processes for preparing same, and also use thereof as dispersant for aqueous suspensions of inorganic binders and as grinding assistant for inorganic binders.

Abstract: The process for producing, processing, sintering, pressing or extruding thermoelectric materials with heat treatment under inert gas or under reduced pressure at temperatures in the range from 100 to 900° C. comprises producing, processing, sintering, pressing or extruding in the presence of oxygen scavengers which form thermodynamically stable oxides in the presence of free oxygen under the production, processing, sintering, pressing or extrusion conditions and hence keep free oxygen away from the thermoelectric material.

Abstract: In the thermoelectric module composed of p- and n-conductive thermoelectric material legs which are connected to one another alternately via electrically conductive contacts, at least some of the electrically conductive contacts on the cold and/or the warm side of the thermoelectric module are formed between, or embedded into, the thermoelectric material legs composed of porous metallic materials.

Abstract: The use of induction furnaces for producing thermoelectric legs and components for thermoelectric modules is described, as is a process for producing thermoelectric semiconductor materials by co-melting mixtures of the particular element constituents of the thermoelectric semiconductor materials or alloys thereof in an induction furnace and pouring the melt thus obtained into the mold of a thermoelectric leg, or spraying the melt thus obtained to produce a pulverulent thermoelectric semiconductor material.

Abstract: The present invention relates to a process for producing baked goods which is characterized in that a mixture of at least one baking raising agent and at least one substance selected from the group consisting of asparaginase, sulfites, bisulfites, metabisulfites and chlorides is used in the production of the baked goods dough. In addition, the present invention relates to a mixture of at least one baking raising agent and at least one substance selected from the group consisting of asparaginase, sulfites, bisulfites, metabisulfites and chlorides. In addition, the present invention relates to the use of sulfites and metabisulfites for decreasing acrylamide in foods.

Abstract: A method for applying at least one layer, selected from diffusion barriers, further protective layers, adhesion promoters, solders and electrical contacts, onto thermoelectric materials, is characterized by the fact that the at least one layer is rolled or pressed onto the thermoelectric material at a temperature at which the thermoelectric material is flowable.

Abstract: In a process for the production of a thermoelectric module, thermoelectric legs which are electrically contact-connected in series are coated so as to be covered with an electrically insulating solid material.

Abstract: A thermoelectric generator is described, which comprises at least one thermoelectric module between a hot side, which is connected to a heat source, and a cold side, which is connected to a heat sink, wherein a membrane rests against the cold side of the thermoelectric module, on which membrane a hydraulic pressure is exerted via a pressurized heat transfer fluid lying against the other side of the membrane, with which pressure the thermoelectric module is pressed against the hot side of the thermoelectric generator, and/or wherein a corresponding membrane rests against the hot side of the thermoelectric module.

Abstract: A thermoelectric material in a shape for forming part of a thermoelectric module, the thermoelectric material is coated with a protective layer to prevent degradation by humidity, oxygen, chemicals or thermal stress.

Abstract: In a thermoelectric module comprising a series of p and n type semiconductors connected in series by conductive contacts, the conductive contacts are in contact with a substrate of moderate to high thermal conductivity that is electrically insulated from the conductive contacts by a resistive surface layer comprising a ceramic material.

Abstract: In the thermoelectric module composed of p- and n-conductive thermoelectric material legs which are connected to one another alternately via electrically conductive contacts, at least some of the electrically conductive contacts on the cold and/or the warm side of the thermoelectric module are formed between, or embedded into, the thermoelectric material legs composed of porous metallic materials.

Abstract: The process for producing, processing, sintering, pressing or extruding thermoelectric materials with heat treatment under inert gas or under reduced pressure at temperatures in the range from 100 to 900° C. comprises producing, processing, sintering, pressing or extruding in the presence of oxygen scavengers which form thermodynamically stable oxides in the presence of free oxygen under the production, processing, sintering, pressing or extrusion conditions and hence keep free oxygen away from the thermoelectric material.

Abstract: The use of induction furnaces for producing thermoelectric legs and components for thermoelectric modules is described, as is a process for producing thermoelectric semiconductor materials by co-melting mixtures of the particular element constituents of the thermoelectric semiconductor materials or alloys thereof in an induction furnace and pouring the melt thus obtained into the mold of a thermoelectric leg, or spraying the melt thus obtained to produce a pulverulent thermoelectric semiconductor material.

Abstract: A method for applying at least one layer, selected from diffusion barriers, further protective layers, adhesion promoters, solders and electrical contacts, onto thermoelectric materials, is characterized by the fact that the at least one layer is rolled or pressed onto the thermoelectric material at a temperature at which the thermoelectric material is flowable.