Abstract: The present invention relates to a method for reducing residual volatiles from polymer compositions.

Abstract: Described is the use of synthetic adhesives in the manufacture of corrugated fiberboard at relatively low temperatures and high lineal speeds. The corrugated fiberboard includes a corrugated sheet of paper and a flat linerboard and the corrugation of the corrugated sheet of paper is produced at paper temperatures below 95° C. and at a lineal speed above 150 m/min. The production of the corrugation of a corrugated sheet of paper is immediately followed by a continuous operation in which a preferably unheated corrugated board adhesive is applied and the corrugated sheet of paper is adhered to at least one first linerboard. The corrugated board adhesive used is an aqueous adhesive dispersion based on at least one synthetic, dispersed polymer having preferably more than 40% by weight solids content, selected from acrylate copolymers, copolymers of vinylaromatics and conjugated aliphatic dienes and vinyl acetate-alkylene copolymers, wherein the glass transition temperatures of the polymers are above 20° C.

Abstract: What is described is the use of polymer particles for producing photonic crystals, wherein the polymer particles do not film and have, at their contact points in the photonic crystal, linkage sites which allow linkage of the particles by physical or chemical bonding, without reducing the volume of the interstitial phase by more than 30%.

Abstract: Surfactants of the general formula R1—X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures which comprise such surfactants and the use of such surfactants and of mixtures thereof for tertiary mineral oil extraction.

Abstract: The present application relates to a process for preparing unsymmetric secondary tert-butylamines which, as well as the tert-butyl radical, also comprise an alkyl, cycloalkyl or benzyl radical. They are prepared by reacting corresponding aldehydes with tert-butylamine and hydrogen in the presence of hydrogenation catalysts (reductive amination) in the liquid phase.

Abstract: The present invention relates to a mixture comprising itaconic acid or an itaconic acid derivative and a primary amine of the formula (I) R—NH2??(I) where the molar ratio of primary amine to itaconic acid or the itaconic acid derivative is in the range from 0.5:1 to 20:1, wherein the mixture comprises 50 mole percent or less of 4-carboxypyrrolidones of the formula (II), derivatives of the 4-carboxypyrrolidones of the formula (II) and 4-carbamidopyrrolidones of the formula (III) based on the itaconic acid used or the itaconic acid derivative used and in which R is a linear or branched saturated aliphatic radical having 1 to 24 carbon atoms or a saturated cycloaliphatic radical having 3 to 24 carbon atoms. The invention further provides for the use of the inventive mixtures for preparing 1,3-alkylmethylpyrrolidones and/or 1,4-alkylmethylpyrrolidones, and also a process for preparing 1,3-alkylmethylpyrrolidones and/or 1,4-alkylmethylpyrrolidones.

Abstract: Disclosed are potassium cesium tungsten bronze solid solution particles of the formula KxCsyWOz, where x+y?1 and 2?z?3. The particles are for instance micron or nano scaled particles. Also disclosed are organic or inorganic compositions comprising an organic or inorganic substrate and incorporated therein the present potassium cesium tungsten bronze solid solution particles. The substrates are for instance plastics, coatings, inks, adhesives, ceramics or glass. Also disclosed is a method for the preparation of the present potassium cesium tungsten bronze solid solution particles, which method comprises mixing a suitable tungsten source with a salt of potassium and a salt of cesium to form a powder mixture and exposing the powder mixture to a plasma torch under a reducing atmosphere. The present tungsten bronze particles are suitable NIR absorbers and heat shielding additives.

Abstract: This invention relates generally to a method for producing a transgenic cell with increased gamma-aminobutyric acid (GABA) content as compared to a corresponding non-transformed wild type cell.

Abstract: The invention relates to a catalyst for the oxidation of SO2 to SO3 and also a process for producing it and its use in a process for the oxidation of SO2 to SO3.

Abstract: Mixture comprising elemental sulfur and an additive comprising anions.

Abstract: The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene in the liquid phase, if appropriate in the presence of at least one inert medium, in which the amine and the phosgene are first mixed in a mixing chamber (1) to give a reaction mixture and the reaction mixture is fed to a reactor, the amine being added through an orifice (3) arranged coaxially to the mixing chamber (1) and the phosgene being added through feed orifices (5) in at least two planes (7, 9) arranged at right angles to the axis (11) of the mixing chamber (1), or the phosgene being added through the orifice (3) arranged coaxially to the mixing chamber and the amine through the feed orifices (5) in at least two planes (7, 9) arranged at right angles to the axis (11) of the mixing chamber (1). At least one plane (9) is arranged upstream and at least one plane (7) downstream of the orifice (3) arranged coaxially to the mixing chamber (1) in main flow direction of the reaction mixture.

Abstract: In a process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride, by passing a gas stream which comprises an aromatic hydrocarbon and molecular oxygen through a multitude of reaction tubes arranged in the gas phase oxidation reactor, each of which comprises a bed of at least one catalyst and the temperature of which can be controlled by means of a heat transfer medium, at least one control parameter is measured and correcting interventions for control of the control parameter are determined, the at least one control parameter comprising the phthalic anhydride yield and the correcting parameter used being the temperature of the heat carrier medium. Over at least 90% of the lifetime of the catalyst, the change in the correcting parameter is limited to a maximum of 0.5 K within a period of 30 days. In this way, the cumulated phthalic anhydride yield over the lifetime of the catalyst is maximized.

Abstract: The present invention provides a novel one-step process for preparing an aqueous polymer dispersion by the free radical aqueous emulsion polymerization comprising mixing at least water, a dispersant, and an oil-soluble initiator; raising a temperature from the starting to the end reaction temperature while metering at least ethylenically unsaturated monomers and a water-soluble initiator into a reaction vessel, conducting polymerization of the monomers in the presence of the water-soluble initiator at a temperature up to the end reaction temperature, and when the temperature has reached the end reaction temperature, conducting polymerization by the oil-soluble initiator. The oil-soluble initiator is inactive at the starting reaction temperature and becomes more active as a temperature approaches the end reaction temperature at which the oil-soluble initiator is fully active.

Abstract: Hydrolysates and/or condensates of epoxy- and silane-functional oligomers and polymers, prepared by hydrolyzing and/or condensing at least one oligomer and/or polymer (A) containing at least one epoxide group (a1) and at least one hydrolyzable silane group (a2); and also (meth)acrylate copolymers (A) containing lateral and/or terminal epoxide groups (a1) and lateral and/or terminal hydrolyzable silane groups (a2), in a molar ratio (a1): (a2) of from 15:1 to 1: 1.5, processes for preparing them, and their use.

Abstract: The present invention relates to the field of agricultural biotechnology. Disclosed herein are expression constructs with expression specificity for the starchy endosperm and/or the germinating embryo, transgenic plants comprising such expression constructs, and methods of making and using such DNA constructs and transgenic plants.

Abstract: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.

Abstract: The present invention relates to a process for preparing microcapsules comprising a lipophilic capsule core and a capsule wall synthesized from 30% to 100% by weight, based on the total weight of the monomers, of one or more monomers (monomers I) from the group comprising C1-C24 alkyl esters of acrylic and/or methacrylic acid, acrylic acid, methacrylic acid, and maleic acid, 0% to 70% by weight, based on the total weight of the monomers, of one or more difunctional or polyfunctional monomers (monomers II) which are sparingly soluble or insoluble in water, and 0% to 40% by weight, based on the total weight of the monomers, of one or more other monomers (monomers III).

Abstract: The present invention relates to amphoteric copolymers which comprise ethyl methacrylate, if appropriate a N-vinyllactam compound, at least one monoethylenically unsaturated carboxylic acid and at least one compound with ?,?-ethylenically unsaturated double bond and at least one cationogenic and/or cationic group in copolymerized form, to cosmetic and pharmaceutical compositions which comprise such copolymers, to preparation methods, and to the use of these copolymers.

Abstract: Process for preparing an amine by reacting an aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of primary and secondary amines in the presence of a heterogeneous catalyst, wherein the reaction is carried out using a suspended catalyst as heterogeneous catalyst and is carried out in the semibatch mode in which the nitrogen compound as one reactant is placed in the reaction vessel and the aldehyde and/or the ketone as the other reactant is added during the course of the reaction and the aldehyde and/or the ketone is added in portions or continuously to the reaction mixture during the course of the reaction as a function of the achieved conversion of the nitrogen compound until a conversion of the nitrogen compound of at least 95% results, and all or part of the catalyst remains in the reaction vessel after the reaction batch and is reused for the next reaction batch.

Abstract: A description is given of an absorption medium for removing carbon dioxide from a gas stream, which comprises an aqueous solution of at least one amine and at least one aminocarboxylic acid and/or aminosulfonic acid. The concomitant use of an aminocarboxylic acid or aminosulfonic acid reduces the energy required for regeneration of the absorption medium.