Abstract: The invention relates to a transparent masterbatch for improving the surface properties of thermoplastics, said masterbatch containing from 10% to 60% by weight of polyhedral oligomeric silicon-oxygen cluster units in accordance with the formula [(RaXb,SiO1-5)m(RCXdSIO)n(ReXfSi2O2.

Abstract: The invention relates to a crosslinker for crosslinking matrix materials, to the matrix resulting therefrom, to the method employed therefor, and to the use of said crosslinker, the crosslinker comprising functionalized polyhedral oligomeric silicon-oxygen cluster units of the formula [(RaXbSiO1.5)m(RcXdSiO)n(ReXfSi2O2.

Abstract: The invention is directed to processes that can be used for the production of silasesquioxanes using a base catalyzed reaction of monomeric compounds.

Abstract: The invention relates to a sub-20 nm nanofiller for use in a matrix material, to the matrix resulting therefrom, to a process for preparing said matrix, and to the use of said nanofiller, the nanofiller comprising functionalized polyhedral oligomeric silicon-oxygen cluster units of the formula [(RaXbSiO1.5)m(RcXdSiO)n(ReXfSi2.

Abstract: A heat-curable powder coating composition is provided that can form crosslinked films exhibiting enhanced hydrophobicity. The coating composition comprises a compound having functionalized polyhedral oligomeric silicon-oxygen cluster units.

Abstract: The invention relates to a method for oxidizing substrates such as hydrocarbons, waxes or soot. The method involves the use of a compound of formula (I) in which: R1 and R2 represent H, an aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, each having 1 to 20 hydrocarbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, whereby R1 and R2 designate identical or different radicals or R1 and R2 can be linked to one another via a covalent bonding; Q1 and Q2 represent C, CH, N, CR5, each being the same or different; X and Z represent C, S, CH2, each being the same or different; Y represents O and OH; k=0, 1, 2; l=0, 1, 2; m=1 to 3, and; R5 represents one of the meanings of R1. Said compound is used as a catalyst in the presence of a radical initiator, whereby the molar ratio of the catalyst to the hydrocarbon is less than 10 mol %. Peroxy compounds or azo compounds can be used as the radical initiator. Preferred substrates are aliphatic or aromatic hydrocarbons.

Abstract: NCO compounds with covalently bonded polyhedral oligomeric silicon-oxygen cluster units and good solubility are suitable as crosslinkers in coating systems. The NCO compounds lead to improved coating properties, such as good leveling of cured baking varnishes.

Abstract: The invention relates to a process for preparing functionalized oligomeric silsesquioxanes by reacting incompletely condensed oligomeric silsesquioxanes with alkoxysilanes and also to their use for further derivatizations, for the synthesis of catalysts and their starting compounds, and for the synthesis and modification of polymers.

Abstract: The invention relates to a method for catalytically oxidizing unsaturated hydrocarbons to form oxidation products, and to the production of saturated alcohols, ketones, aldehydes or carboxylic acids by subsequently hydrogenating the oxidation product. A compound of formula (I) is used as a catalyst during oxidizing in which: R1, R2═H, an aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, each having 1 to 20 carbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, whereby R1 and R2 signify identical or different radicals or R1 and R2 can be coupled to one another via a covalent bond, with Q1, Q2=the same or different, C, CH, N; X, Z═C, S or CH2; Y═O or OH; k=0, 1 or 2; 1=0, 1 or 2; m=1 to 100 in the presence of a radical initiator. Peroxy compounds or azo compounds can be used as radical initiators. Preferred substrates are cyclic aliphatic or aromatic compounds.

Abstract: The invention relates to a process for preparing phenol derivatives by catalytic oxidation of an aromatic hydrocarbon to the hydroperoxide and subsequent cleavage of the hydroperoxide to give the phenol derivative and a ketone, wherein a compound of the formula I where R1, R2=H, aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, in each case having from 1 to 20 carbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, where R1 and R2 are identical or different radicals or R1 and R2 may be joined to one another via a covalent bond, and X, Z=C, S, CH2 Y=O, OH k=0, 1, 2 l=0, 1, 2 m=1-3; is used as oxidation catalyst in the presence of a free-radical initiator, where the molar ratio of the catalyst to the aromatic hydrocarbon is less than 10 mol %.

Abstract: The invention relates to a process for manufacturing zeolite catalysts containing subgroup metals by hydrothermal synthesis with subsequent calcination, which is characterized in that the subgroup metals are used in hydrothermal synthesis in the form of carbonyl, isonitrile or cyanocomplexes.

Abstract: The invention relates to a process for preparing phenol derivatives by catalytic oxidation of an aromatic hydrocarbon to the hydroperoxide and subsequent cleavage of the hydroperoxide to give the phenol derivative and a ketone, wherein a compound of the formula I 1

Abstract: A process is provided for the oxidation of an organic compound in an electrochemical cell having an anode, a cathode and an oxygen ion-conducting solid electrolyte, wherein the organic compound is contacted with the anode, wherein the anode contains a mixture of an electroconductive material and a mixed oxide of the formula I

Abstract: A process for the preparation of polymers containing double bonds by ruthenium carbene catalysis is carried out, where a ring-opening polymerization of monomers of the Formula (I) occurs 1

Abstract: A protective material, based on poly-.alpha.-olefins, capable of easy application in molten form, is distinguished by a balanced pattern of properties, good adhesion and good recycling capability. The present protective materials contain (I) not less than 50% by weight of one or more largely amorphous poly-.alpha.-olefins, composed of (a) 3 to 75% by weight of one or more .alpha.-olefins containing 4 to 10 carbon atoms, (b) 25 to 95% by weight of propene, and (c) 0 to 20% by weight of ethene; (II) not more than 30% by weight of other olefin homo- and copolymers which may be either largely amorphous or preferably partially crystalline; and (III) not more than 40% by weight of additives which are standard in the plastic sector. Such protective materials can be used in particular in the underfloor region of motor vehicles.

Abstract: A process for the production of largely amorphous polyalphaolefins with a narrow molecular weight distribution is provided where the products exhibit the following features:softening point between 70.degree. and 40.degree. C.;melt viscosity (190.degree. C.) between 1,000 and 100,000 mPas;density less than 0.90 g/cm.sup.3 ;needle penetration between 5 and 50 0.1 mm; andmaximum molecular inhomogeneity 6.These polymers are obtained by a radical decomposition performed at high temperatures on copolymers based on C.sub.4-10 alpha-olefins, propene and optionally ethene. The products are suitable for use as hot melt adhesives as well as for heavy coating compounds.

Abstract: Expandable styrene polymer of controlled particle size is prepared by polymerizing styrene and optionally polymerizable comonomers in a stirred aqueous suspension in the presence of monomer-soluble free radical initiator and dispersant to the extent that at least 70%, based on the total monomer, of the monomers are polymerized in the aqueous suspension initially to a conversion of at least 70% by weight; and then adding the remaining monomer, initiator and optional copolymerizable monomer and additives to the polymerization medium over one to three hours.

Abstract: An adhesive coating composition comprising an extensively amorphous poly-alpha-olefin and a functionalized graft copolymer of a predominately crystalline propylene polymer and an unsaturated carboxylic acid or derivative thereof.

Abstract: An ester of an acidic oxidized polyethylene wax and, for example, a polyhydric alcohol of a chain length of 2-5 carbon atoms, wherein the acid number of the oxidized polyethylene wax is, prior to esterification, 10-35 and the acid number of the wax ester is 8 or less, is useful as a lubricant for plastics processing, especially for rolling and calendering unplasticized PVC into sheeting.