Abstract: A radiation-curable resin composition, comprising from 0 to 30% by weight of one or more oligomers; from 15 to 80% by weight of one or more monomers; from 10 to 80% by weight of a filler mixture; from 0.1 to 5% by weight of one or more photoinitiators; wherein the filler mixture includes: from 39.9 to 90% by weight of first particles having a grain size d50vol of 3 to 20 ?m; from 9.9 to 60% by weight of second particles having a grain size d50vol of 0.5 to 1 ?m; from 0.1 to 5% by weight of nanoparticles having a BET surface area within a range of from 10 to 100 m2/g.

Abstract: Polymer particles having a mean primary particle diameter d50 between 50 nm and 10 pm based on the total weight, containing: A. 10 to 100% by weight of a polymer phase A, obtainable by free-radical copolymerization of an oil-in-water miniemulsion having a monomer mixture as oil phase, containing i) 30 to 99.9% by weight of one or more mono-ethylenically unsaturated monomers II having at least one C12-C48-n-alkyl side chain, ii) 0 to 60% by weight of one or more mono-ethylenically unsaturated monomers II having at least one C1-C11-n-alkyl and/or one C3-C48-i-alkyl side chain, iii) 0.1 to 20% by weight of one or more monomers III having at least two non-conjugated ethylenic double bonds, iv) 0 to 69.9% by weight of one or more (hetero)aromatic, mono-ethylenically unsaturated monomers IV, v) 0 to 40% by weight of one or more other mono-ethylenically unsaturated monomers V; and B.

Abstract: A composition comprising a plastic material and a content of from 50 to 90% by weight of an additive, wherein said additive comprises zinc oxide that has been treated with a silicon compound, wherein said zinc oxide has a specific surface area (BET) of from 0.5 m2/g to 6 m2/g before being treated with a silicon compound.

Abstract: A powdery filler for dental materials consisting of particles of feldspar or feldspar derivatives having a mean particle diameter (d50) of from 0.25 to 5 ?m, said particles having a coating with a silicon compound containing reactive groups.

Abstract: Polymer particles having a mean primary particle diameter d50 between 50 nm and 10 pm based on the total weight, containing: A. 10 to 100% by weight of a polymer phase A, obtainable by free-radical copolymerization of an oil-in-water miniemulsion having a monomer mixture as oil phase, containing i) 30 to 99.9% by weight of one or more mono-ethylenically unsaturated monomers II having at least one C12-C48-n-alkyl side chain, ii) 0 to 60% by weight of one or more mono-ethylenically unsaturated monomers II having at least one C1-C11-n-alkyl and/or one C3-C48-i-alkyl side chain, iii) 0.1 to 20% by weight of one or more monomers III having at least two non-conjugated ethylenic double bonds, iv) 0 to 69.9% by weight of one or more (hetero)aromatic, mono-ethylenically unsaturated monomers IV, v) 0 to 40% by weight of one or more other mono-ethylenically unsaturated monomers V; and B.

Abstract: Disclosed is a composition containing a plastic and 20 to 80 wt % of an additive selected from among orthosilicates, metal silicon, and mixtures thereof.

Abstract: The invention relates to a method for producing thermatropic particles for doping polymer matrices, and to such doped polymers. The doped polymer matrices according to the invention can be used as sun protection, in the form of varnishes, coatings, resins, thermosets, or thermoplastics, for example.

Abstract: A powdery filler for dental materials consisting of particles of feldspar or feldspar derivatives having a mean particle diameter (d50) of from 0.25 to 5 ?m, said particles having a coating with a silicon compound containing reactive groups.

Abstract: In a known method for producing a quartz glass tube by means of flame hydrolysis of a silicon-containing start component, SiO2-containing particles are produced, said particles are deposited on a carrier, forming a soot tube having a porous soot wall with a predetermined radial soot density profile, and the soot tube is treated in a chlorine-containing atmosphere and is then vitrified.