Abstract: The invention is directed to a polymer and pigment composition utilizing a polyolefin wax produced by metallocene catalysis as a pigment dispersing auxiliary.

Abstract: Cosmetic, pharmaceutical and dermatological preparations are described which contain copolymer waxes. The copolymer waxes contain structural units which are formally derived from ?-olefins having 26 to 60 carbon atoms, derivatives of (meth)acrylic acid such as esters, amides or salts and optionally further monomers.

Abstract: The invention relates to hot melt compositions comprising polyolefin waxes prepared using metallocene catalysts, have a dropping point or ring & ball softening point of between 80 and 165° C., have a melt viscosity, measured at a temperature of 170° C., of between 20 and 40 000 mPa·s, and have a glass transition temperature of not more than ?10° C. and also to their use as hot melt adhesives and as binders for producing roadmarkings.

Abstract: The invention relates to pigment concentrates for colouring thermoplastic synthetic materials. The invention is characterised in that said pigment concentrates contain copolymers made of a) units which are derived from ?-olefins of the chain length C12-C60, and alternatively b) units which are derived from a carboxylic acid of formula CH2?CR1—COOH, and/or units which are derived from a carboxylic acid ester of formula CH2?CR1—COOR2, and/or d) units which are derived from styrene, 3-methylstyrene, 4-methylstyrene or ?-methylstyrene, wherein R1 represents a hydrogen atom or a methyl group and R2 represents a straight-chained or branched alkyl radical having 1-6 C-atoms.

Abstract: The present invention relates to the use of polyolefin waxes which have been prepared by means of metallocene catalysts and have been modified to make them polar in photocopier toners and also to photocopier toners comprising such polyolefin waxes modified to make them polar.

Abstract: The invention relates to the use of polyolefin waxes as processing aids and/or dispersing agents in polycondensates, wherein the polyolefin waxes have been prepared with the aid of metallocene catalysts.

Abstract: The invention relates to the use of amide erucic compounds and one or several waxes in toners containing said compounds.

Abstract: The invention provides hot-melt adhesive compositions comprising a) 5% to 99.995% by weight of a polyolefin of one or more C3-C18 ?-olefins and also, if desired, ethylene, b) 0.005% to 2% by weight of one or more nucleators, c) 0 to 50% by weight of tackifier resin, and d) 0 to 30% by weight of wax.

Abstract: The invention relates to expandable polystyrene (EPS) comprising polyolefin waxes, wherein the latter have been prepared by means of metallocene catalysts and have a drop melting point or ring/ball softening point of from 80 to 165° C. and a melt viscosity measured at a temperature which is 10° C. above the drop melting point or softening point of from 20 to 10 000 mPa·s.

Abstract: The invention relates to the use of waxes as modifiers for filled plastics.

Abstract: Photo toners including a wax-like compound of the formula (I), detailed in the specification. In formula (I), R1 represents the group —CH2—O—CO—R3 or CH(OH)—CH2—O—CO—R3, R2 represents an alkyl radical comprising between 1 and 4 C atoms or halogen, R3 represents an unbranched alkyl radical comprising between 16 and 36 C atoms, m is 1, 2 or 3, and n is between 0 and (6?m).

Abstract: The invention relates to the utilization of oxidized polyolefin that are produced with the aid of metallocene catalysts for textile finishing.

Abstract: The invention relates to partially crystalline polyolefin homopolymer or copolymer waxes modified free-radically with a silane compound and having a viscosity as measured at 170° of between 10 and 50 000 mPa.s and a heat of fusion >10 J/g, wherein the silane compound used for modification includes at least one olefinic double bond and at least one alkoxy radical attached directly to silicon and wherein the polyolefin waxes used for modification have been prepared using a metallocene catalyst. The invention also relates to a process for preparing these polyolefin homopolymer or copolymer waxes and to their use.

Abstract: The invention relates to the use of waxes as modifiers for fillers and relates to plastics which comprise a wax-coated filler.

Abstract: The present invention relates to the use of polyolefin waxes which have been prepared by means of metallocene catalysts and have been modified to make them polar in photocopier toners and also to photocopier toners comprising such polyolefin waxes modified to make them polar.

Abstract: The invention relates to the use of polyolefin waxes, which are produced by means of metallocene catalysis, for improving the dispersion of pigments in polypropylene.

Abstract: The invention relates to the use of polyolefin waxes, which are produced by means of metallocene catalysis, for dispersing pigments in plastics.

Abstract: The present invention relates to polymer oxidates prepared by reacting polyethylene which has been obtained using metallocene catalysts and which has a weight-average molar mass above 40,000 g/mol with oxygen or oxygen-containing gas mixtures. These polymer oxidates have high suitability for preparing aqueous dispersions, as a material added when dispersing pigments in masterbatches, or for surface-modification or for polar modification of polyolefins. Another advantageous application sector is use as an additive, e.g. as a lubricant for plastics processing.

Abstract: The present invention relates to homopolymer and copolymer waxes which have been prepared by polymerization using metallocene compounds in the presence of hydrogen and have a melt viscosity of less then 100 mPas, measured at 170° C. As a result of their high thermal stabillty, these waxes display neither discoloration nor crosslinking reactions and are vary well suited for use in toners, for plastics processing, for masterbatches, for printing inks, surface coatings and melt adhesives.

Abstract: The present invention relates to a process for the oxidation, in the melt by means of oxygen or oxygen-containing gas mixtures, of ethylene homopolymer and copolymer waxes prepared using metallocene catalysts, wherein the oxidation of the polyethylene wax is carried out with addition of monobasic or polybasic inorganic acids or monobasic or polybasic carboxylic acids having from 1 to 6 or from 2 to 6 carbon atoms. The process gives waxes having a low melt viscosity and a light color.