Abstract: A process for the preparation of polycarbodiimides which also contain aziridine functions and which are not genotoxic. These aziridine-functional polycarbodiimides may be used as crosslinking agent.

Abstract: The invention relates to a measurement system for detection of conduction faults of a device or equipment, comprising an evaluation unit and at least one sensor unit, wherein the measurement system is furthermore adapted to determine, in regard to a fault, whether the fault is higher or lower in frequency with respect to a predetermined limit frequency, and the measurement system is furthermore adapted to provide data in regard to one fault or multiple faults.

Abstract: A process for the preparation of an aqueous polyurethane dispersion having flame retardant properties and being halogen-free, obtainable by incorporating a phosphine oxide polyol into the polyurethane and which are useful as part of the coating of a flexible sheet-like substrate.

Abstract: A process for the preparation of an aqueous polysiloxane-polyurethane dispersion wherein the polysiloxane is present as a side chain of the polyurethane resin and which are useful as part of the coating of a flexible sheet-like substrate.

Abstract: The invention relates to a measurement system for detection of conduction faults of a device or equipment, comprising an evaluation unit and at least one sensor unit, wherein the measurement system is furthermore adapted to determine, in regard to a fault, whether the fault is higher or lower in frequency with respect to a predetermined limit frequency, and the measurement system is furthermore adapted to provide data in regard to one fault or multiple faults.

Abstract: A process for the preparation of multifunctional polycarbodiimides, which are used as crosslinking agents, in which the polycarbodiimide is prepared by reacting mono- and polyisocyanates in the presence of a mono- or polyisocyanate that contains one or multiple additional reactive functional groups and in the presence of a carbodiimide catalyst, and thereafter terminating or chain extending the polycarbodiimide chain. Between 0 and 10% of an organic solvent and/or between 0 and 30% of a plasticizer and/or between 0 and 30% of a surface active component is added to the product during, before or after the polycarbodiimide forming reaction and/or the capping reaction and/or the chain extending reaction. Further, the invention relates to a coating mixture in which the polycarbodiimide is used as crosslinking agent and to the cured material obtained with the coating mixture.

Abstract: A process for the preparation of stable aqueous polycarbodiimide dispersions to be used as cross-linking agents, in which initially an isocyanate functional polycarbodiimide is prepared from a polyisocyanate and a mono- or polyisocyanate which contains a hydrophobic group. Thereafter the polycarbodiimide chain is capped and/or extended by reaction of the isocyanate functions or a part thereof with a hydrophilic amine- or hydroxy functional compound and of the remaining isocyanate functions with an amine- or hydroxy functional compound which contains hydrophobic groups, after which the obtained product is dispersed in water and the pH is adjusted to 9-14. The hydrophobic groups are hydrocarbons with 4-25 carbon atoms, fluorinated hydrocarbons, silicone functional hydrocarbons or polysilicones. Further, the invention relates to a coating mixture in which the polycarbodiimide dispersion is used as cross-linking agent and to the cured material obtained with the coating mixture.

Abstract: The invention pertains to a modular data transmission system with several modules or bus nodes that can be arranged adjacent to one another in a row. The data transmission system comprises a first bus node that features a first transmitter for the wireless transmission of data and an electrical connector, as well as a second bus node that features a first receiver for the wireless reception of data and an electrical connector. Both bus nodes are detachably fixed on a mounting rail such that they are arranged adjacent to one another in a row. The first and second bus nodes are respectively detachably connected to a bus receptacle, wherein each bus receptacle features an electrical mating connector that is coupled to the electrical connector of the respective bus node in the connected state in order to transmit energy, as well as a positioning device for positioning the respective bus node.

Abstract: The invention describes a T-shaped bus connector comprising a holding device for mechanically retaining the T-shaped bus connector on a mounting device on which the T-shaped bus connector is to be arranged, and further comprises a first and a second connecting unit for respectively producing an electrical connection to a complementary connecting unit of a device arranged adjacent to the bus connector, wherein the first and second connecting units face in substantially opposing directions and are constructed complementarily to one another, as well as a third connecting unit, oriented substantially perpendicular to the first and second connecting units, for producing an electrical connection to a connecting unit, complementary to the third connecting unit, of an electrical or electronic module, wherein data and/or power bus lines are run between all three connecting units, and all three connecting units are covered at least in part with a shielding material.

Abstract: A process for the preparation of stable aqueous polycarbodiimide dispersions to be used as cross-linking agents, in which initially an isocyanate functional polycarbodiimide is prepared from a polyisocyanate and a mono- or polyisocyanate which contains a hydrophobic group. Thereafter the polycarbodiimide chain is capped and/or extended by reaction of the isocyanate functions or a part thereof with a hydrophilic amine- or hydroxy functional compound and of the remaining isocyanate functions with an amine- or hydroxy functional compound which contains hydrophobic groups, after which the obtained product is dispersed in water and the pH is adjusted to 9-14. The hydrophobic groups are hydrocarbons with 4-25 carbon atoms, fluorinated hydrocarbons, silicone functional hydrocarbons or polysilicones. Further, the invention relates to a coating mixture in which the polycarbodiimide dispersion is used as cross-linking agent and to the cured material obtained with the coating mixture.

Abstract: The invention pertains to a modular data transmission system (5) with several modules or bus nodes (10, 20, 30) that can be arranged adjacent to one another in a row. The data transmission system (5) comprises a first bus node (10) that features a first transmitter (70; 150, 151) for the wireless transmission of data and an electrical connector (190, 195), as well as a second bus node (30) that features a first receiver (100; 180, 181) for the wireless reception of data and an electrical connector. Both bus nodes (10, 30) are detachably fixed on a mounting rail (2) such that they are arranged adjacent to one another in a row.

Abstract: The invention describes a T-shaped bus connector comprising a holding device for mechanically retaining the T-shaped bus connector on a mounting device on which the T-shaped bus connector is to be arranged, and further comprises a first and a second connecting unit for respectively producing an electrical connection to a complementary connecting unit of a device arranged adjacent to the bus connector, wherein the first and second connecting units face in substantially opposing directions and are constructed complementarily to one another, as well as a third connecting unit, oriented substantially perpendicular to the first and second connecting units, for producing an electrical connection to a connecting unit, complementary to the third connecting unit, of an electrical or electronic module, wherein data and/or power bus lines are run between all three connecting units, and all three connecting units are covered at least in part with a shielding material.

Abstract: A process for the preparation of stable aqueous polycarbodiimide dispersions, to be used as crosslinking agent, which are free of organic solvents is described. Sid process is characterized in: reacting a polyisocyanate in the presence of a carbodiimide catalyst to form a polycarbodiimide, terminating and/or chain extending the polycarbodiimide chain by the addition of formation dispersion of the resulting compound in water, wherein pH is adjusted to a value between 9 and 14 by the addition of a base and/or a buffer to the water used for the dispersion and/or to the obtained aqueous dispersion. According to the present process said terminating or chain extending with the compound containing a hydrophylic group and one or more amine functions may also occur during or after the dispersion of the polycarboiimide in water. The preferred pH of the polycarbodiimide dispersions is between 11 and 13.

Abstract: A process for the preparation of a coating, coated substrate, film or sheet, in which process a coating mixture comprising a reactive system of polyisocyanate-functional, a polyketone-functional, a polyepoxide-functional, a polyanhydride-functional and/or a poly carbonate-functional compound or polymer and a dispersion or fine powder of a compound containing a reactive hydrogen, which mixture is not or low reactive at room temperature, is applied onto a substrate, resulting in a substrate coated with the coating mixture, followed by reacting the compounds mentioned above by elevating the temperature, in a substrate coated with the coating mixture, followed by reacting the compounds mentioned above by elevating the temperature, in which the reaction temperature and consequently the reaction rate can be adjusted as desired by the addition of an additive to the coating mixture, or to one of the reactants of the coating mixture, prior to the mixing with the other component.

Abstract: A lyophilization bag is provided in which a fluid, such as blood, ay be introduced, lyophilized without collapsing the bag, stored, reconstituted and distributed from the bag without intermediate transfer of the useful contents from the bag.