Abstract: The surfaces of nano silica particles are modified with siloxane substituents containing aldehyde functional groups providing particles which are readily incorporated into compositions, such as polymeric coating compositions, to improve scratch resistance, dirt pick-up resistance, anti-adhesion properties and while maintaining excellent film forming properties. Provided are the novel silica particles, a simple economic process for their preparation and dirt repellent coatings and polymeric molding compositions containing them.

Abstract: The invention provides modified sulphur comprising sulphur and a polysulphide-containing organosilane in an amount of in the range of from 0.3 to 25 wt % based on the weight of sulphur, in which modified sulphur the combined amount of sulphur and polysulphide-containing organosilane make up in the range of from 90 to 100 wt % of the obtained modified sulphur and wherein the polysulphide-containing organosilane is of the general molecular formula (1): (X3Si)mH(2n+1?m)Cn-Sa-Cn?H(2n?+1?m?)(SiX?3)m?; wherein a is an integer in the range of from 2 to 8, X and X? each are, independently, a hydrolysable group, n and n? each are, independently, an integer in the range of from 1 to 4, and m and m? each are, independently, an integer in the range of from 1 to (2n+1). The invention further provides a process for preparing such modified sulphur, a sulphur cement product comprising the modified sulphur and a process for preparing such.

Abstract: Corrosion-inhibiting pigments based on cobalt are described that contain a trivalent or tetravalent cobalt/valence stabilizer complex. An inorganic or organic material is used to stabilize the trivalent or tetravalent cobalt ion to form a compound that is sparingly soluble in water. Specific stabilizers are chosen to control the release rate of trivalent or tetravalent cobalt during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Cobalt/valence stabilizer combinations are chosen based on the well-founded principles of cobalt coordination chemistry. Many cobalt-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium systems.

Abstract: The invention relates to a composition containing at least one plasticizer and silicon dioxide particles having an average particle size of 150 nm or less. According to the invention, the proportion of silicon dioxide particles is from 10 to 80% by weight and the proportion of plasticizer is from 90 to 20% by weight, where the sum of the proportions of silicon dioxide particles and of the plasticizer is at least 80% by weight. The invention makes it possible to mix nanoparticles into any polymeric materials in a simple way.

Abstract: A process of repairing a plasma etched low-k dielectric material having surface-bound silanol groups includes exposing at least one surface of the dielectric material to (a) a catalyst so as to form hydrogen bonds between the catalyst and the surface-bound silanol groups obtaining a catalytic intermediary that reacts with the silane capping agent so as to form surface-bound silane compounds, or (b) a solution comprising a supercritical solvent, a catalyst, and a silane capping agent so as to form hydrogen bonds between a catalyst and the surface-bound silanol groups obtaining a catalytic intermediary that reacts with the silane capping agent so as to form surface-bound silane compounds. Horizontal networks can be formed between adjacent surface-bound silane compounds.

Abstract: Corrosion-inhibiting pigments based on manganese are described that contain a trivalent or tetravalent manganese/valence stabilizer complex. An inorganic or organic material is used to stabilize the trivalent or tetravalent manganese ion to form a compound that is sparingly soluble, exhibits low solubility, or is insoluble in water, depending upon the intended usage. Specific stabilizers are chosen to control the release rate of trivalent or tetravalent manganese during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Manganese/valence stabilizer combinations are chosen based on the well-founded principles of manganese coordination chemistry. Many manganese-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium or tetravalent lead systems.

Abstract: Process for the preparation and the deposition of vitreous films on substrates comprising: the dissolution of one or more metal alkoxides in aprotic solvent, the hydrolysis of the resulting solution, the eventual removal of the formed alcohol, the deposition of the resulting sol on the substrate surface of interest and the final drying of the film.

Abstract: A manufacturing method for producing building material is provided. More particularly, a processing method for a waste residue produced by burning and desulfurizing oil dregs in oil refining is provided. The main raw material in the method is waste residue produced by burning and desulfurizing oil dregs, including fly ash and bottom dregs. Dilute sulfuric acid solution is added to the main raw material as the additive. The amount of additive is dependent upon the content of CaO in the main raw material and the concentration of the dilute sulfuric acid solution. The post-reaction materials can be used to produce bricks and brickwork. Therefore, the method provides for recovery of excess process materials, i.e., oil dregs, by utilizing the process materials to form building materials which process material would otherwise be placed in a landfill.

Abstract: The present invention relates to pigment granules which contain inorganic filter aids and a process for the production thereof and their use for colouring lime- and/or cement-bound building materials, asphalt, paints, finishes, paper or plastics.

Abstract: Pulverulent particles (P) have surface groups of the general formula (1): —O1+n—SiR12?n—B, the average diameter of the particles (P) following dispersion in water with a pH range of 1 to 12 being less than or equal to 200 nm, and being determined as the average hydrodynamic equivalent diameter in the form of the Z-average by means of photon correlation spectroscopy, R1 being an optionally substituted aliphatic or aromatic hydrocarbon radical having 1-12 carbon atoms, B being an optionally substituted aliphatic or aromatic hydrocarbon radical containing at least one organic acid function and/or salt thereof, and n being 0, 1 or 2.

Abstract: The invention relates to pearlescent pigments comprising platelet-shaped substrate, comprising metal oxide, and protective layer, said metal oxide having a refractive index of more than 1.8, where the protective layer is composed of an organic chemically surface modified SiO2 layer, the organic chemical surface modification being applied on the SiO2 layer. The invention further relates to a process for preparing these pearlescent pigments and to their use.

Abstract: Water repellents based on reactive siloxanes with polyfunctional silylalkoxy modification of the siloxane backbone and processes for hydrophobizing mineral fiber components.

Abstract: A filler material that includes a metal fluoride compound which is coated with silica. The filler material can be used in various types of covering agents.

Abstract: A filler material that includes a metal fluoride compound which is coated with silica. The filler material can be used in various types of covering agents.

Abstract: The present invention relates to a process for the production of porous inorganic materials or a matrix material containing nanoparticles with high uniformity of thickness and/or high effective surface area and to the materials obtainable by this process. By the abovementioned process materials with a defined thickness in the region of ±10%, preferably ±5%, of the average thickness are available.

Abstract: The invention relates to a cosmetic preparation containing a metallic effect pigment which consists of a metal substrate having a layer enclosing the substrate. Said layer is produced in a sol/gel method, has a barrier effect against sweat and saliva and prevents a direct contact between skin and metallic substrate, the metallic pigment being hydrophilic. The inventive preparation can be in the form of a cream, a lotion, an eye shadow, a nail varnish, a lipstick, a mascara, a gel, a make-up formulation or a self-tanning cream or lotion.

Abstract: The present invention relates to surface-modified effect pigments based on flake-form substrates which are distinguished by the fact that they are sheathed with one or more layers of immobilized LCST and/or UCST polymers. The invention furthermore relates to a process for the production of the surface-modified effect pigments and to the use thereof in surface coatings, water-borne coatings, powder coatings, paints, printing inks, security printing inks, plastics, concrete, in cosmetic formulations, in agricultural sheeting and tarpaulins, for the laser marking of papers and plastics, as light protection, as pigment for corrosion protection and for the preparation of pigment compositions and dry preparations.

Abstract: The present invention relates to UV-stabilised particles which are distinguished by the fact that they reflect or absorb light having wavelengths of from 290 to 500 nm. The invention furthermore relates to a process for the production of the particles according to the invention and to the use thereof in surface coatings, water-borne coatings, powder coatings, paints, printing inks, security printing inks, plastics, concrete, in cosmetic formulations, in agricultural sheeting and tent awnings, for the laser marking of papers and plastics, as light protection, and for the preparation of pigment compositions and dry preparations.

Abstract: The present invention is related to treated filler and processes for producing said treated filler. Untreated filler slurry can be treated with a treating material and, optionally, a coupling material and then subjected to conventional drying method(s), to produce the treated filler of the invention. Treated filler has a wide variety of applications including but not limited to battery separators and rubber compositions such as tires.

Abstract: Silanised, structurally modified silicas, characterised by groups fixed on the surface, the groups being alkylsilyl (SiCnH2n+1, with n=2-18). They are produced in that pyrogenically produced silicas are treated with the silanising agent and structurally modified. They are used to improve scratch resistance in lacquers.

Abstract: Compositions of bis(N-silylalkyl)aspartimides and processes for their synthesis are provided. The compounds are useful, for example, for making primers, adhesives, surfactants, viscosity modifiers, processing aids, and other products. Compositions of bis(N-silylalkyl)aspartamide urethane isocyanates and processes for their synthesis are provided. The compositions are useful, for example, for making primers, adhesives, surfactants, viscosity modifiers, processing aids, and other products.

Abstract: Dispersion of fumed silica comprising a silanized, structurally modified silica and a solvent. It is used for producing coating materials.

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of formula (1), wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, R1 and R2 are independently of each other hydrogen, nanoparticle surface-O—, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, and Y is a radical of formula —B1-D1 (2a), wherein B1 is the direct bond or a bridge member, and D1 is a radical of a cationic dye, a radical of a phthalocyanine dye which carries no water-solubilizing group, or a radical of a fluorescent dye selected from the group consisting of coumarins, benzocoumarins, xanthenes, benzo[a]xanthenes, benzo[b]xanthenes, benzo[c]xanthenes, phenoxazines, benzo[a]phenoxazines, benzo[b]phenoxazines, benzo[c]phenoxazines, napthalimides, naphtholactams, azlactones, methines, oxazines, thiazines, diketopyrrolopyrroles, quinacridones, benzoxanthenes, thio-epindolines, lactamimides, diphenylmaleimides, acetoacetamides, imidazothiazines, benzanthrones, p

Abstract: The present invention relates to pigments, the particles of which generally have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm, and a thickness of from 20 nm to 2 ?m, and a ratio of length to thickness of at least 2:1, wherein the particles contain a core of SiOy with 0.70?y?1.8, especially 1.40?y?1.8, having two substantially parallel faces, the distance between which is the shortest axis of the core, comprising (a) a material, especially a metal oxide, having a high index of refraction; or (a) a thin semi-transparent metal layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.

Abstract: The invention relates to a process for the dispersion of fine-particle surface-modified inorganic powders in liquid media, with use of siloxanes. A process for the preparation of a dispersion of inorganic particles in a liquid medium is described, in which inorganic particles which have been surface-modified so that they have at least one organic group on the surface are mixed in a liquid medium with an organosiloxane, where at least one organic group of the organosiloxane corresponds to the at least one organic group on the surface of the inorganic particles.

Abstract: A filler material that includes a metal fluoride compound which is coated with silica. The filler material can be used in various types of covering agents.

Abstract: The present invention relates to tinted optical lenses and to methods of manufacturing tinted optical lens. This invention relates to a method for tinting optical lenses using an ink receptor film. The method of the invention allows a good transfer of the color to the substrate which represents the support of lens, a good final coloration of the substrate with good color homogeneity. The invention relate also to a method of tinting optical lenses, using the said ink receptor film which is applied onto a primer layer coating the substrate of the lens. The ink receptor material comprises an inorganic filler and an water-based emulsion. Preferably the ink receptor material also comprises a water-soluble polymer, a modified cationic polymer and a carrier able to accelerate the absorption of the ink into the substrate.

Abstract: A non-toxic corrosion inhibitor and method comprising hydrotalcite or a hydrotalcite-like complexing agent and one or a combination of an organic or inorganic corrosion inhibitive complexing agent, provides improved corrosion protection on metal substrates and utilizes synergistic corrosion inhibitive mechanisms.

Abstract: The present invention relates to the use of nanoparticles for the preparation of water-based dispersion adhesives, and especially the use of finely divided barium sulfate therein. The nanoparticles can be used with or without chemical modification. Adhesives of this kind feature improved properties, examples being improved cohesion in conjunction with comparable adhesion and higher heat resistance. Preference is given to dispersion adhesives based on polyacrylate, polyurethane, and epoxy resin.

Abstract: The present invention relates to a special coating composition based on components a) at least one hydrolyzable fluoroalkylsilane of the formula (I) CF3(CF2)n(CH2)2Si(CH3)yX3-y (I), in which X is a group from the series chlorine, methoxy, ethoxy, isopropoxy, and n-propoxy and n is a number from the series 3, 4, 5, 6, 7, 8, and 9, and y is 0 or 1, b) HCl, c) water, d) isopropanol, and e) dodecane, and on a silane component (a): water molar ratio of 1:4.5 to 1:9. The invention further relates to a process for preparing such a composition and also to its use for providing smooth, inorganic substrate surfaces with an abrasion-resistant and weathering-stable easy-to-clean coating.

Abstract: Coating compositions repairable by introduction of energy and comprising defined siloxanes, coatings obtained therewith and repairable by introduction of energy, methods of producing them, and their use.

Abstract: The invention relates to modified nanoparticles based on pyrogenic silica which are produced by treating pyrogenic silica with compounds of the general formula I Me(OR1)4, and/or of the general formula II Me(OCOR1)4, wherein R1 means an alkyl, aryl and/or aralkyl residue and Me means zirconium and/or titanium and to coating compositions containing the modified nanoparticles.

Abstract: The invention relates to a pearl pigment, and the preparing method of the same comprises: coating metal oxides on a sheet-like substrate, and coating metal phosphites (aluminum phosphite or zinc phosphite) on it, and then treating by hydrolysable silane coupling agent. The pearl pigment obtained highly improves its stability and its aging resistance when used for external outsides.

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: The present invention provides a method for the hydrophobic treatment of pigment particles comprising contacting said pigment particles with one or more silicone-based materials, that are substantially free of silicon-hydrogen bonds and fluorine, producing hydrophobic, non-covalently bound, modified pigment particles. Additionally, the present invention provides personal care compositions comprising said modified or coated pigment particles.

Abstract: A treated pigment comprising: (a) an inorganic pigment; (b) an organic compound comprises a fluoroalkyl group and a hydrocarbon group and having the structure: RH-L-RF, wherein RF is a fluorochemical component containing at least one Zerewitinoff hydrogen; RH is an aliphatic group of 1-30 carbons, cycloaliphatic group of 3-30 carbons, an aromatic group of 6-30 carbons, or a group having the structure: R?—(OCH2CHR?)x?—(OCH2CH2)y?—O—, wherein R? is H or an aliphatic group of 1-20 carbons, R? is H or methyl; and x? and y? are the same or different integers ranging from 0-20 except that the sum of x? and y? is at least 1 when R? is H; and L is selected from the group CO, isocyanate, and a mixture of polyisocyanates containing at least three isocyanate groups per RH-L-RF structure. Plastic articles containing a pigment and the organic compound have improved cleanability with all the other needed properties and without the negative property of chaulking.

Abstract: Disclosed are a process for producing a suspension of hydrophobic oxidic particles which has a defined, adjustable viscosity, which comprises suspending low structured hydrophobic oxidic particles in at least one organic suspension agent and then adding from 0.05% to 15% by weight based on the suspension medium of high structured hydrophobic oxidic particles, a suspension of hydrophobic oxidic particles which has a defined, adjustable viscosity and the use thereof for producing soil and water repellent coatings on articles.

Abstract: This invention relates to a single- or multilayer, oriented film formed from polyester and at least one inorganic black pigment. The inventive films include at least one layer which has, alongside polyester, an amount of from 0.5 to 75% by weight of particles incorporating iron oxide as black pigment.

Abstract: A method for forming a transparent hydrophobic self-cleaning coating material, comprising: providing particle precursors to form first particles; and reacting first particles with a low-surface-energy compound to form second particles, wherein the first particles are chemically bonded to the low-surface-energy compound and diameters of the second particles are less than 400 nm.

Abstract: The present invention relates to pigments whose particles have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm and a thickness of from 50 nm to 1.5 ?m and a ratio of length to thickness of at least 2:1, the particles having a core of a metallically reflecting material having two substantially parallel faces, the distance between which is the shortest axis of the core, comprising (a), optionally, on one parallel face of the core, an SiOy layer wherein 0.95<y?2.0, (b), on the SiOy layer, an SiOx layer wherein 0.03<x?0.95, and (c), on the SiOx layer, an SiOz layer wherein 0.95<z?2.0, to a method for the production thereof, and to the use thereof in paints, textiles, ink-jet printing, cosmetics, coating compositions, plastics, printing inks and in glazes for ceramics and glass. The pigments without an SiOy layer produce brilliant colours. The pigments with an SiOy layer are opaque and exhibit brilliant colours with a metallic appearance.

Abstract: Disclosed herein is a method of calcining particulate material, such as kaolin. The method comprises providing a feed mixture comprising a particulate material, such as hydrous kaolin, wherein at least a portion of the particulate feed is coated with a liquid fuel. The method further comprises heating the particulate feed mixture to calcine the particulate feed and burn the liquid fuel to form a calcined product. The liquid fuel coating can act as a secondary, indirect heat source for calcining. The overall calcining temperatures and/or times can be reduced as a result of adding the liquid fuel.

Abstract: In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities followed by digesting acid treated Kimberlite tailing with alkali solution in a open or closed system to obtain sodium silicate useful for commercial applications.

Abstract: Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use.

Abstract: A pigment extender that can be used in a covering agent such as paint to improve the properties of the paint. The pigment extender can improve the hiding power of many types of paint formulations. The pigment extender is particularly useful in flat paints that require relatively low sheen values. A pigment extender that includes microcrystalline silica, nepheline syenite and/or metal fluoride. The metal fluoride typically includes a silica coated metal fluoride.

Abstract: Goniochromatic luster pigments comprising at least one dielectric low-refractive interference-colored layer which includes a polar organic solvent which can interact with the layer material via functional groups.

Abstract: The present invention relates to platelet-shaped pigments comprising (a) a layer obtained by calcination of a layer comprising SiOz wherein 0.03?z?2.0 and a metal, to a process for the production thereof, and to the use thereof in paints, text ink-jet printing, cosmetics, coating compositions, plastics, printing inks and in glazes for ceramics and glass. The aforementioned process makes available platelet-shaped pigments having a high degree of planeparallelism and a defined thickness in the range of ±10%, preferably ±5%, of the average thickness.

Abstract: A composition and method which exhibits enhanced moisture sealing properties, suitable for use with flooring materials, such as concrete, and flooring installations, such as carpeting, wood, tiles, etc. are provided. The composition is preferably non-water-based and can form a non-aqueous barrier coating on the flooring substrate, and most preferably provides a desirable pH and blocks migration of alkaline salts through the substrate.

Abstract: This invention relates to a surface-modified pigment having at least two surface-active agents chemically immobilized onto the surface of the pigment. The first surface-active agent has an HLB of about 10 or more, the second surface-active agent has an HLB of 9 or less, and the difference in HLB between the first and second surface-active agents is at least about 5. The surface-modified pigments are self emulsifying and are applicable for use in water-based cosmetic systems and toiletry products.

Abstract: The present invention relates to plane-parallel structures of silicon/silicon oxide (silicon/silicon oxide flakes), obtainable by heating plane-parallel structures of SiOy in an oxygen-free atmosphere at a temperature above 400° C., wherein 0.70?y?1.8, or plane-parallel structures of silicon/silicon oxide, obtainable by heating plane-parallel structures of SiOx in an oxygen-free atmosphere at a temperature above 400° C., wherein 0.03?x?0.95, a process for their production and their use for the production of interference pigments.

Abstract: Effect pigments having improved optical properties based on SiO2 flakes coated with one or more layers, where the SiO2 flakes have a thickness of from 50 nm to 150 nm; processes for the preparation thereof; and use of these pigments in cosmetics, paints, coatings, plastics, films, in security printing, in security features in documents and identity cards, for coloring seed, for coloring foods or in medicament coatings and for the preparation of pigment compositions and dry preparations; are disclosed.