Abstract: A method for automated determination of an individual three-dimensional shape of particles includes: a) dosing, alignment, and automated delivery of the particles; b) observation of the aligned particles and image acquisition, and c) evaluation of the images. A device for automated determination of the individual three-dimensional shape of particles includes: a) a mechanism for dosing, alignment, and automated delivery of the particles; b) at least two cameras for observation of the aligned particles, and c) a mechanism for evaluation of the images. The device can be used for automated determination of individual three-dimensional shape of particles.

Abstract: The invention relates to biodegradable polyester mixture, comprising i) from 5 to 80% by weight, based on the total weight of components i to ii, of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, and ii) from 20 to 95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polycaprolactone, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and of aliphatic diols, and iii) from 0.

Abstract: 5-Phenylpyrimidines of the formula I in which the substituents and the index are as defined below: R1,R2 are hydrogen, alkyl, haloalkyl, cycloalkyl, halocycloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl, and R1 and R2 together with the nitrogen atom to which they are attached may also form a saturated or unsaturated ring which may be interrupted by an ether, thio, sulfoxyl or sulfonyl group and may be substituted by one to four groups Ra and/or Rb; R3 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy or alkenyloxy; R4 is hydrogen, halogen, cyano, hydroxyl, mercapto, azido, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, alkenyloxy, alkynyloxy, haloalkoxy, alkylthio, alkenylthio, alkynylthio, haloalkylthio, —ON?CRaRb, —CRc?NORa, —NRcN?CRaRb, —NRaRb, —NRcNRaRb, —NORa, —NRcC(?NRc?)NRaRb, —NRcC(?O)NRaRb, —NRaC(?O)Rc, —NRaC(?NORc)Rc?, —OC(?O)Rc, —C(?NORc)NRaRb, —CRc(?NNRaRb), —C (?O)NRaRb or —C(?O)Rc; in which Ra, Rb and Rc are as defined in the description; X is halogen, alkyl, alkoxy o

Abstract: The present invention relates to a solid, acid catalyst for the preparation of polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which has a BET surface area of at least 160 m2/g and an acid center density of at least 0.05 mmol/g for pKa values of from 1 to 6, to a process for preparing it and to a process for the polymerization of cyclic ethers over this catalyst.

Abstract: Thermoplastic molding compositions, comprising A) from 15 to 99.94% by weight of a polyoxymethylene homo- or copolymer B) from 0.05 to 10% by weight of a nonpolar polypropylene wax, C) from 0.01 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids having from 10 to 40 carbon atoms with saturated aliphatic alcohols or amines having from 2 to 40 carbon atoms, D) from 0 to 80% by weight of other additives, where the total of the percentages by weight of components A) to D) is always 100%.

Abstract: The invention provides a process for removing nitrocresols from wastewater of mononitrotoluene preparation, which comprises acidifying the alkaline wastewater of mononitrotoluene preparation with acids to a pH of at most 3 and treating the nitrocresols with an extractant. The invention further provides the preparation of dinitrotoluene by use of the nitrocresol-containing extracts as a feedstock.

Abstract: A process for preparing a ketone, in particular cyclododecanone, by reacting cyclododecatriene with dinitrogen monoxide to obtain cyclododecadienone and hydrogenating the resulting cyclododecadienone, in particular to give cyclododecanone.

Abstract: Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where the condensate formed in the reflux is returned to the polymerization mixture from below.

Abstract: Fungicidal mixtures, comprising A) imidazole derivatives of the formula I ?in which R1 and R2 are halogen or phenyl, which may be substituted by halogen or alkyl, or R1 and R2 together with the bridging C?C double bond form a 3,4-difluoromethylenedioxyphenyl group; R3 is cyano or halogen, and R4 is dialkylamino or isoxazol-4-yl, which may carry two alkyl radicals; and B) valinamides of the formula II, ?in which R? is phenyl, which is substituted in the 4-position by halogen, C1-C4-alkyl or C1-C4-alkoxy, ?is 1- or 2-naphthyl, or ?is benzothiazol-2-yl, which is substituted in the 6-position by halogen; and R? is C3-C4-alkyl; in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II and the use of the compounds I and the compounds II for preparing such mixtures are described.

Abstract: The present invention provides a process for preparing 1,6-hexanediol by hydrogenating dialkyl adipates, alkyl 6-hydroxycaproates, 1,4-cyclohexanedione and 4-hydroxycyclohexan-1-one as ester mixtures comprising impurities, by a) freeing resulting the esterification mixture of excess alcohol and low boilers in a first distillation stage (alcohol removal), b) carrying out a separation of the bottom product in a second distillation stage into an ester fraction substantially free of 1,4-cyclohexanediols and a fraction comprising at least the majority of the 1,4-cyclohexanediols, c) catalytically hydrogenating the ester fraction substantially free of 1,4-cyclohexanediols (ester hydrogenation) and d) in a purifying distillation stage, obtaining 1,6-hexanediol from the hydrogenation effluent in a manner known per se, which comprises selectively hydrogenating the ester mixture before stage a) and/or before stage b) (purifying hydrogenation).

Abstract: Use of luster pigments based on a platelet-shaped metallic substrate coated with a low refractive dielectric layer which does not absorb visible light, for pigmenting macromolecular materials.

Abstract: Powder coating materials preparable by (1) mixing at least two liquid components comprising in each case at least one liquid starting product in a static mixer, to give a molecularly disperse and/or finely dispersed liquid mixture, (2) emulsifying the liquid mixture (1) in an aqueous medium in a dispersing unit, to give an aqueous emulsion of liquid particles, (3) cooling the emulsion (2) so that a suspension of dimensionally stable particles is formed, (4) isolating the dimensionally stable particles from the suspension (3) or alternatively (3) isolating the dimensionally stable particles directly from the emulsion (2); and also processes for preparing them and their use as coating materials, adhesives, and sealing compounds or to prepare such compositions.

Abstract: The invention relates to a connecting flange for analytical instruments for investigating a fluid flowing in a pipeline, having a disk-shaped installation ring which comprises two substantially planar end surfaces, an outer jacket surface and a inner jacket surface which defines an axial passage, the installation ring having at least one radial drillhole opening into the outer jacket surface, to which an analytical instrument can be connected and the process for installing the instruments. The invention also relates to an analytical probe having such an analytical instrument, and also to the use of this analytical probe in a process for preparing alkyl (meth)acrylates by reacting (meth)acrylic acid with alkanols.

Abstract: The invention relates to a process for removing salts from an alkanolic reaction mixture which is obtained in the preparation of alkoxycarbonylaminotriazines and comprises at least one alkoxycarbonylaminotriazine, at least one cyclic and/or acyclic carbonic ester, at least one C1-C13-alkanol which optionally comprises one or two oxygen atoms as ether bonds and is optionally substituted by C1-C4-alkyl and/or hydroxyl, and also at least one alkali metal alkoxide or alkaline earth metal alkoxide, with or without melamine and with or without catalyst, in which salts are removed from the reaction mixture by ion exchange over a cation exchanger and/or anion exchanger.

Abstract: The present invention relates to an aqueous binder composition comprising (a) at least one emulsion polymer comprising as monomer units a C1-C8 alkyl (meth)acrylate, a vinylaromatic compound having up to 20 carbon atoms or mixtures thereof, (b) at least one water-soluble alkyd resin having a weight-average molecular weight of between 5000 and 40 000 Da, and (c) at least one alkyd resin having a weight-average molecular weight of more than 100 000 Da in the form of an aqueous emulsion, wherein the solids content of the mixture of (a), (b), and (c) is less than 60% by weight, and also to their use and preparation.

Abstract: A process is described for hydrocyanating 1,3-butadiene over at least one nickel(0) complex having phosphorus ligands as a catalyst, wherein the 1,3-butadiene is used in a mixture with n-butane and the mixture contains from 60 to 90% by volume of 1,3-butadiene and from 40 to 10% by volume of n-butane.

Abstract: The present invention relates to a process for purifying a gas mixture G-0 comprising dinitrogen monoxide, at least comprising the absorption of the gas mixture G-0 in an organic solvent, subsequent desorption of a gas mixture G-1 from the laden organic solvent, absorption of the gas mixture G-1 in water and subsequent desorption of a gas mixture G-2 from the laden water, and also to the use of a purified gas mixture which comprises dinitrogen monoxide and is obtainable by such a process as an oxidizing agent for olefins.

Abstract: The present invention relates to the use of partially aromatic, biodegradable polyesters for dressing seed, to seed dressing formulations comprising partially aromatic, biodegradable polyesters, to a process for their preparation and to their use for dressing seed.

Abstract: Copolymers prepared by a process comprising free-radical polymerizing: (a) more than 15 to 40% by weight of at least one monoethylenically unsaturated carboxylic acid; (b) 30 to less than 85% by weight of ethyl methacrylate; and (c) 0 to 50% by weight of at least one additional free-radically polymerizable monomer other than the at least one monoethylenically unsaturated carboxylic acid and ethyl methacrylate; wherein the total amount of (a), (b) and (c) equals 100% by weight; with the proviso that where the process comprises a solution polymerization, (a) consists of acrylic acid and methacrylic acid, and (c) is an ester of (meth)acrylic acid and an aliphatic C8-C18-alcohol, then the ester of (meth)acrylic acid and an aliphatic C8-C18-alcohol is not present in an amount of 5 to 40% by weight; and with the proviso that where (c) is selected from the group consisting of N-vinylpyrrolidone, N-vinylcaprolactam and mixtures thereof; then the N-vinylpyrrolidone, N-vinylcaprolactam or mixture thereof is present in

Abstract: Novel polypeptides possessing (endo) xylanase activity are disclosed which can degrade cellulose implant extracts and plant materials. The polypeptides can cleave ?-D-xylan polymers at internal (1-4) bonds between adjacent xylopyranosyl units. The amino acid sequence and encoding DNA sequence is given and the polypeptide was used to treat cellulose in the preparation of edible foodstuffs and animal feed. The polypeptides have both arabinoxylanase and xylosidase activity.