摘要:
Desublimator for isolating sublimation products from reaction gases, which consists of a closed housing and a plurality of rows of finned tubes accommodated horizontally and superposedly therein, successive superposed finned tubes being supported, and mutually spaced, with limited adjustability, by means of cage-like perforated sliding shoes surrounding them in a box-like manner, the sliding shoes of the individual finned tubes being directly stacked one above the other and resting loosely on common supporting girders anchored to the housing, and the supporting girders having, in cross-section, the outline of a triangle with its apex pointing downward.
摘要:
A finned tube heat exchanger for isolating sublimates, especially phthalic anhydride, in which the finned tubes arranged in parallel alongside one another and above one another and connected by headers and tube bends permit flow through them successively in the first, then the third, then the second and then the fourth row, and that the transverse fins are arranged in rows staggered laterally in opposite directions by an amount corresponding to from half the spacing to the whole spacing between adjacent fin edges.
摘要:
Process for the recovery of phthalic anhydride in which gases as obtained in the catalytic atmospheric oxidation of o-xylene or naphthalene are treated with a hydrocarbon containing C.sub.26.sub.- paraffins, cooling, if necessary, the hydrocarbon laden with phthalic anhydride, separating the solid phthalic anhydride followed by melting and distillation thereof.
摘要:
The invention relates to a target arrangement comprising a tubular-shaped carrier element and a hollow-cylindrical target having at least one target material, said target comprising at least one one-piece tube segment which at least partially surrounds the carrier element. Said carrier element and the tube segment are partially interconnected in a material fit by at least two plastically deformable compensating means. The invention also relates to a method for producing said type of target arrangement and a tubular segment.
摘要:
The invention relates to a device for machine-based processing of rapid polymeric reaction systems, particularly polyurethane systems, wherein a rapid formula change is possible with simultaneously low raw material consumption. The device according to the invention further requires little space, allowing for operation in a standing flue, for example.
摘要:
A polymer material according to the invention comprises a polymer and silver nanoparticles dispersed in the polymer. The silver nanoparticles may be obtained by reducing a silver salt in a dispersing agent in the presence of a dispersion stabilizer with a reducing agent, the dispersion stabilizer being selected from the group consisting of carboxylic acids having ≧1 to ≦6 carbon atoms, salts of carboxylic acids having ≧1 to ≦6 carbon atoms, sulfates and phosphates. Such a material is particularly suitable for use as an electrode. The invention furthermore relates to a method for producing such a polymer material and to a polymer laminar composite including a polymer substrate and a polymer material according to the invention
摘要:
The present invention relates to a method for producing electromechanical converters, to the use of solutions of at least one polyurethane in one or more organic solvents to produce electromechanical converters, to electromechanical converters produced therefrom and to the use of such electromechanical converters.
摘要:
There is described an illumination apparatus with an organic light-emitting device with a first light exit face and an organic light-emitting device with a second light exit face larger than the first light exit face. The inorganic light-emitting device and the organic light-emitting device are arranged so that a planar light output in which light of the inorganic light-emitting device and light of the organic light-emitting device superimpose each other results.
摘要:
The present invention relates to a process for the production of shape memory molded articles with a wide temperature application range, and their use in the he production of injection molded articles and extruded articles.
摘要:
Systems, methods, and devices for eye marks in image processing are provided. A method includes providing an eye mark having at least two sections arranged along a longitudinal axis, wherein each section includes a border common to both sections and a unique characteristic relative to other sections. The method also includes encoding instructions in the eye mark based upon the combination of the at least two sections.