Abstract: The present invention relates to a continuous process for producing an alkylene oxide by direct oxidation of an alkene with oxygen by reacting a mixture comprising alkene and oxygen in the presence of a silver-comprising catalyst for a run time ?t(i), wherein during the oxidation, the catalyst is additionally contacted at least once with a further mixture comprising ethanol for a run time ?t(ii), wherein the run time ?t(i)>?t(ii).

Abstract: Described is a radiation-crosslinkable hotmelt adhesive comprising at least one radiation-crosslinkable poly(meth)acrylate formed to an extent of at least 60% by weight of C1 to C10 alkyl(meth)acrylates and at least one oligo(meth)acrylate which comprises nonacrylic C C double bonds and has a K value of less than or equal to 20. The hotmelt adhesive comprises a photoinitiator which may be present in the form of an additive not attached to the poly(meth)acrylate and/or not attached to the oligo(meth)acrylate, may be incorporated by copolymerization into the poly(meth)acrylate, and/or may be attached to the oligo(meth)acrylate. The hotmelt adhesive can be used for producing adhesive tapes.

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: The present invention relates to the use of aromatic P—N-compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based onthermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides.

Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.

Abstract: In a process for removing oxygen from a C4-hydrocarbon stream comprising free oxygen by catalytic combustion, in which the hydrocarbon stream comprising free oxygen is reacted by catalytic combustion over a catalyst bed in the presence or absence of free hydrogen to give an oxygen-depleted hydrocarbon stream, the catalytic combustion is carried out continuously, the entry temperature in the catalyst bed is at least 300° C. and the maximum temperature in the catalyst bed is not more than 700° C.

Abstract: The present invention relates to a process for manufacturing triazinon-benzoxazinones of formula (I), by reacting amino-benzoxazinones of formula (II) with 1,1?-carbonyldiimidazole (CDI) and a (thio)urea compound of formula (III); wherein the variables are defined according to the description.

Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.

Abstract: The invention relates to a method for the production of composite elements with at least one outer layer a) and a layer b) firmly bonded to it, an adhesion promoter c) being applied between the outer layer a) and the layer b) firmly bonded to it, the outer layer a) being continuously moved and the adhesion promoter c) and the layer b) firmly bonded to it or the starting materials thereof being applied in succession to the outer layer, the application of the adhesion promoter c) being effected a rotating disk which is mounted horizontally or with a slight deviation from the horizontal of up to 15°, wherein the rotating disk is provided with teeth on the edge.

Abstract: A method for connecting functional elements (14) to a shaft (10, having the following steps: (a) forming elevations (12) for receiving the functional elements (14), said elevations (12) being machined out of the shaft (10) by removing material, and (b) welding the functional elements (14) to the elevations (12) on the shaft (10).

Abstract: The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.

Abstract: A coating composition for a solar cell backsheet of the present invention includes: (a) 10 to 40 mass % of vinyl ester resin or unsaturated polyester resin; (b) 30 to 60 mass % of vinyl monomer and/or (meth)acrylate monomer; (c) 5 to 40 mass % of denaturant (The components (a) to (c) are 100 mass % in total); (d) 0.1 to 15 parts by mass of an ultraviolet curing agent relative to 100 parts by mass in total of the components (a) to (c); and (e) 5 to 20 parts by mass of a white colorant relative to 100 parts by mass in total of the components (a) to (c).

Abstract: Alkanesulfonic acid microcapsules and the use thereof as an additive for acidizing applications in carbonatic rock formations, especially for increasing the permeability of underground carbonatic mineral oil- and/or natural gas-bearing and/or hydrothermal rock formations and for dissolving carbonatic and/or carbonate-containing impurities in the production of mineral oil and/or natural gas or geothermal power generation are described. Additionally described is an acidic formulation comprising the inventive microcapsules and the use thereof for the aforementioned purpose, and a corresponding process.

Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and magnetic particles, which comprises the following steps (A) at least partial removal of the magnetic particles by application of a magnetic field gradient, optionally in the presence of at least one dispersing medium, to give a mixture comprising at least one first material and at least one second material and a reduced amount of magnetic particles, (B) contacting of the mixture comprising at least one first material and at least one second material from step (A) with magnetic particles so that the at least one first material and the magnetic particles agglomerate, (C) separation of the agglomeration product from the mixture from step (B) by application of a magnetic field gradient and (D) dissociation of the agglomeration product separated off in step (C) in order to obtain the at least one first material and the magnetic particles

Abstract: The present invention relates to microcapsules comprising a capsule core comprising a lipophilic substance and also at least one compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, and a capsule wall synthesized from 40 to 80% by weight of one or more monomers (monomers I) selected from C1-C24 alkyl esters of acrylic and/or methacrylic acid, acrylic acid, methacrylic acid, and maleic acid, 20 to 60% by weight of one or more di- or polyfunctional monomers (monomers II) which are sparingly soluble or insoluble in water, and 0 to 40% by weight of one or more other monomers (monomers III), based in each case on the total weight of the monomers, and also to microcapsules comprising at least one epoxy tackifier resin and if desired a compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, to a process for preparing them, to their use in pressure sensitive adhesives, and also to a method of adhesively bonding at least two substrates

Abstract: A polycarbonate of number average molecular weight from 500 to 10000, glass transition point from 30 to 80° C. and hydroxyl group value of 30 mg KOH/g or less. The use of the polycarbonate in a urethane modified resin used as an ingredient for the production of a toner or a developer. A urethane modified resin obtained by reacting a polymer mixture containing the polycarbonate and a polycondensed resin of glass transition point from 10 to 60° C. and hydroxyl group value from 20 to 100 mg KOH/g with a polyfunctional isocyanate compound wherein the ratio of polycarbonate to polycondensed resin is from 20:80 to 80:20 by weight and the molar ratio of isocyanate groups in the polyisocyanate compound to hydroxyl groups in the polymer mixture is from 0.4 to 1.2:1. A toner for electronic copying containing the urethane modified polycarbonate based resin. A developer containing the toner and optionally a carrier.

Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.

Abstract: Described are processes for producing pulverulent coating compositions comprising providing an aqueous polymer dispersion comprising i) as component A a polymer obtained by radical polymerization of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound selected from esters of ?,?-ethylenically unsaturated mono- and dicarboxylic acids with C1-C8-alkanols; and spray processing the aqueous polymer dispersion in the presence of a drying gas to provide a powder, wherein the entry temperature of the drying gas into the spraying apparatus is at least 20° C. above the glass transition temperature and is at least 20° C. above the minimum film-forming temperature of the polymer and the exit temperature of the drying gas from the spraying apparatus is kept at 40 to 85° C.

Abstract: The present invention relates to a process for producing a composite material composed of a) at least one oxidic phase and b) an organic polymer phase. The copolymerization of at least one compound of the formula I [(ArO)mMOnRrHp]q??(I) in which M is B, Al, Ga, In, Si, Ge, Sn, P, As or Sb, Ar is phenyl or naphthyl, R is alkyl, alkenyl, cycloalkyl or aryl, where aryl is unsubstituted or may have one or more substituents, with formaldehyde or formaldehyde equivalents, in a reaction medium which is essentially anhydrous, to obtain a composite material having an arrangement of phase domains similar to those nanocomposite materials obtainable by twin polymerization, and to the use of the composite material for production of gas storage materials, rubber mixtures, low-K dielectrics and electrode materials for lithium ion batteries.

Abstract: A method of delaying digestion by an animal or a human of carbohydrates in food, comprising administering an effective amount of one or more flavonoids to the animal or human in conjunction with the food, wherein the flavonoids are selected from luteolin, apigenin, tricin and their pharmaceutically acceptable analogs and derivatives.