Abstract: The present invention relates to a process for preparing high-functionality polyetherols by reacting at least one trifunctional or higher-functionality alcohol and if appropriate further di- and/or monofunctional alcohols and/or modifying reagents, with the aid of acidic catalysts, where the trifunctional or higher-functionality alcohol is not glycerol. The present invention further relates to high-functionality polyetherols obtainable by such a process and to the use of these high-functionality polyetherols as adhesion promoters, thixotropic agents, rheology modifiers of polymers, phase transfer reagents, micro- or nanocontainers for biologically active compounds, for example for active medical ingredients, biocides, herbicides or fungicides, as pigment dispersants, an additive in printing inks or as structural units for preparing polyaddition or polycondensation polymers or for treatment of seed.

Abstract: Process for preparing divinyl ethers by reacting compounds having two hydroxyl groups (hereinafter referred to as diols) with acetylene, wherein the hydroxyl groups are incompletely reacted with acetylene and the resulting product mixture therefore comprises the monovinyl ether in addition to the divinyl ether and the monovinyl ether is separated off from the product mixture by extractive distillation in the presence of an extractant.

Abstract: A process for reacting ethylenediamine-formaldehyde adduct (EDFA) and/or ethylene-diamine-monoformaldehyde adduct (EDMFA) with hydrogen cyanide (HCN) in a reactor with limited backmixing at a temperature in the range from 20 to 120° C., wherein the residence time in the reactor is 300 seconds or less.

Abstract: The present invention relates to an aerogel based on doped graphene, a method for producing said aerogel and the use of said aerogel, for example, as an electrode or a catalyst. Furthermore, the present invention relates to electrodes, all solid-state supercapacitors (ASSS) or catalysts based on said aerogel. The present invention also relates to doped graphene, which can be obtained as an intermediate in the production of the aerogel based on doped graphene using graphene oxide as starting material.

Abstract: A pulp making process in which fibrous cellulosic material is pulped to form an aqueous suspension of cellulosic material, the suspension is drained through a screen to form a pulp sheet and that the pulp sheet is dried to form a dry market pulp, in which a water soluble cationic polymer is added to the suspension as the sole drainage aid wherein the water-soluble cationic polymer is either, i) a copolymer comprising (a) between 1 and 70 mole % (meth) acrylamide and (b) between 30 and 99 mole % (meth) acryloyloxyethyltrimethyl ammonium chloride with an intrinsic viscosity between 5 and 9 dl/g; or ii) a hydrolysed homopolymer of vinylformamide comprising between 1 and 100 mole % vinyl amine units and having a K value of between 45 and 240. The process of the invention provides improved drainage time and solids content of the dewatered pulp.

Abstract: The invention relates to an aqueous solution of acrylic acid polymers, obtainable by polymerization of acrylic acid in feed mode with peroxodisulfate as initiator in the presence of hypophosphite in water as solvent, wherein (i) water and optionally one or more ethylenically unsaturated comonomers are initially charged, and (ii) acrylic acid in acidic, unneutralized form, optionally one or more ethylenically unsaturated comonomers, aqueous peroxodisulfate solution and aqueous hypophosphite solution are added continuously, and (iii) a base is added on completion of the acrylic acid feed to the aqueous solution, wherein the comonomer content does not exceed 30% by weight, based on total monomer content.

Abstract: The present invention pertains to the field of diagnostics for neuronal toxicity and toxicological assessments for risk stratification of chemical compounds. Specifically, it relates to a method for diagnosing neuronal toxicity. It also relates to a method for determining whether a compound is capable of inducing such neuronal toxicity in a subject and to a method of identifying a drug for treating neuronal toxicity. Furthermore, the present invention relates to a device and a kit for diagnosing neuronal toxicity.

Abstract: The present invention relates to compositions comprising granules of phthalocyanine compounds, to a process for the preparation thereof, and to the use thereof in washing agent and additive formulations. The composition comprises a) At least one water-soluble phthalocyanine compound; b) At least one cross-linked polyvinylpyrrolidone component; c) At least one hydrophilic binding agent; and, optionally, d) Further additives suitable for the preparation of solid agglomerates; and may be liquid, solid, paste-like or gel-like.

Abstract: The present invention relates to novel processes for the preparation of sterically hindered amine ethers by the transformation of a corresponding oxo-piperidin to a hydroxy or amino substituted sterically hindered amine ether and the preparation of a N-propoxy or N-propenoxy substituted sterically hindered amine and some novel compounds obtainable by these processes. The compounds made by these processes are particularly effective in the stabilization of polymer compositions against harmful effects of light, oxygen and/or heat and as flame-retardants for polymers.

Abstract: The present invention relates to a liquid concentrate formulation comprising a pyripyropene pesticide of the formula I as defined below and an alkoxylated aliphatic alcohol as an adjuvant. Moreover, the invention relates to the use of the formulations for the treatment of plants and seed and to corresponding methods.

Abstract: Polyimides derived from a primary aromatic diamine and aromatic dianhydride mono-mer moieties, wherein one or more of said moieties contain at least one substituent on the aromatic ring selected from propyl and butyl, especially from isopropyl, isobutyl, tert.butyl, show good solubility and are well suitable as dielectric material in electronic devices such as capacitors and organic field effect transistors.

Abstract: The present invention concerns a process of making paper, board or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained on a moving screen to form a sheet which is dried, wherein the process employs a treatment system which is applied to the thin stock, said treatment system comprising as components, a) a cationic organic polymer of charge density of at least 3.0 meq/g with a molar mass Mw of up to 3 million Daltons or poly aluminium chloride (PAC), b) a cationic polymer having an average molar mass Mw of at least 500,000 Daltons and a charge density not exceeding 4.0 meq/g; c) a microparticulate material; in which components (b) and (c) are added to the cellulosic thin stock after the last shear stage before the head box and component (a) is added to the cellulosic thin stock before the said last shear stage.

Abstract: A reaction vessel for oxidation of ammonia to nitrogen monoxide in the presence of a catalyst is provided. The catalyst can become dislodged during the oxidation. The reaction vessel includes a reactor body having a top portion, a bottom portion, and a middle portion. The top and middle portions cooperate to define a cavity where the ammonia is catalytically oxidized to provide the nitrogen monoxide. The reaction vessel also includes an internal filter element. The internal filter element includes a filter cage that defines an interior volume and a filter medium disposed adjacent to the filter cage. The internal filter element collects the catalyst dislodged during the oxidation.

Abstract: Compounds of the formula (I), (II), and wherein R1, R2, R?2 and R??2 for example are C1-C20alkyl; R3, R4, and R5 for example independently of one another are hydrogen or a defined substituent provided that at least one of R3, R4 or R5 is other than hydrogen or C1-C20alkyl; R6, R7, R8, R?6, R?7, R?8, R?6, R?7, R??6 and R??7 for example independently of one another have one of the meanings as given for R3, R4, and R5; and R9 for example is C1-C20alkyl; exhibit an unexpectedly good performance in photopolymerization reactions.

Abstract: The present invention relates to an electrolyte solution comprising at least one solvent as component A, at least one electrolyte as component B and from 0.1 to 20% by weight, based on the total electrolyte solution, of at least one heteroaromatic compound of the general formula (I) as component C, the use of such a compound in electrolyte solutions, the use of such an electrolyte solution in an electrochemical cell or for metal plating, and also electrochemical cells comprising a corresponding electrolyte solution.

Abstract: The present invention relates to a rigid polyurethane foam which can be obtained by mixing (a) isocyanates, (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and optionally (e) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, where the isocyanates (a) have a viscosity of not more than 500 mPas at 25° C. and the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less, a polyetherol (b2) having a functionality of 3.5 or less and a viscosity at 25° C. of 600 mPas or less, a polyesterol (b3) having a viscosity at 25° C. of 2000 mPas or less, chain extenders (b4) comprising at least 30% secondary OH groups and optionally a crosslinker (b5).

Abstract: The present invention relates to a method of continuously conveying a liquid which is used as starting material in a chemical reaction by means of a displacement pump having physically separate forward-transport valves and a liquid-filled bidirectional flow line between displacement pump and forward-transport valves, wherein an auxiliary liquid which is a product or a starting material of the chemical reaction and has a melting point which is below the melting point or below the saturation temperature of the liquid to be conveyed is present in the bidirectional flow line. The present invention additionally provides for the use of a product formed by hydrogenation of an aromatic compound as auxiliary liquid for conveying an aromatic compound and also the use of an alcohol or an ester derived from alcohol and carboxylic acid as auxiliary liquid for conveying carboxylic acids or carboxylic acid derivatives.

Abstract: The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These dyes can be obtained in a three-step synthesis from simple substrates.

Abstract: Dispersion comprising functionalized metal oxide particles, polymerizable compounds and if appropriate a solvent and their use for stabilizing polymers.

Abstract: A phosphorus modification of an FCC catalyst is provided by reducing the sodium content of the as formed catalyst, a first treatment with a phosphate solution, a second ammonium exchange to further reduce the sodium content of the phosphorus solution treated catalyst and a second treatment with a phosphate solution.