Abstract: A room-temperature curable organopolysiloxane composition comprising: (A) organopolysiloxane that contains in each molecule at least two trialkoxysilyl-containing groups that are bonded to silicon atoms of the molecular chain; (B) diorganodi-alkoxysilane or product of its partial hydrolyzation; (C) organopolysiloxane that contains at least one silicon-bonded phenyl group in each molecule and is free of alkoxy groups; and (D) a titanium chelate catalyst, adheres during curing to a substrate with a sufficient strength but allows separation of a cured body of the composition from the substrate at the interface even after a long period of time.

Abstract: An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer, and aziridinyl silane and an optional silica particle component is described. The addition of the aziridinyl silane results in a significant increase in the shear properties, particularly at elevated temperatures.

Abstract: The glittering ink composition of the present invention contains a glass flake pigment, a water-soluble resin, a water-soluble organic solvent and water as essential ingredients. The content of the glass flake pigment is 0.01-40% by weight relative to the total amount of the ink composition. Moreover, the ink composition contains a synthetic resin emulsion as a binder component for fixing the glass flake pigment to a handwriting or a coated film in 0.01-40% by weight in solids relative to the total amount of the ink composition. The synthetic resin emulsion has an anionic property or a nonionic property and its minimum film forming temperature is not higher than 20° C.

Abstract: The invention relates to a method for employing, in a thermoplastic polymer, a silica having a BET surface less than or equal to 130 m2/g for increasing the impact resistance of a material. The silica employed can be obtained by drying a silica aqueous dispersion produced from a reaction of a silicate and of an acidulant, comprising the following steps: forming a starter containing at least a portion of the total quantity of the silicate and an electrolyte; (B) adding an acidulant to the starter of step (A) until a pH value ranging from 7 to 8.5 is obtained, and; (C) if necessary, adding the remaining quantity of silicate to the reaction medium obtained from step (B), in conjunction with another portion of the acidulant. The invention also relates to the thermoplastic polymeric materials, particularly based on polyolefins that are obtained within this scope.

Abstract: The invention provides a coating composition to coat electrical steel sheets, the composition comprising: A) 5 to 45 weight % of at least one binder resin, B) 0.1 to 40, preferably 1 to 30 weight % of nano scaled particles, the particles having an average radius ranging from 1 to 300 nm, C) at least one cross-linking agent in an amount able to cross-link with the binder resin, preferably 0.1 to 30 weight % of at least one cross-linking agent, D) 0.1 to 60 weight % of at least one additive and/or pigment and/or filler, and E) 5 to 70 weight % of water and/or at least one solvent, the weight % based on the total weight of the composition.

Abstract: A composition comprising inorganic compound particles and at least one compound selected from hydrolyzable organic silicon compounds, hydrolysis products thereof and multimers of the hydrolysis products is provided, wherein based on 100 parts of the total weight of the inorganic compound particles and the at least one compound, the composition contains (i) 60-80 parts of the inorganic compound particles in which the inorganic compound has an average particle diameter of 40 nm or less, when the composition contains 20-40 parts of the at least one compound and (ii) 40-60 parts of the inorganic compound particles in which the inorganic compound particles are selected from chain-shaped particles and needle-shaped particles, when the composition contains 40-60 parts of the at least one compound.

Abstract: The present invention relates to an article having at least one surface, wherein said surface is at least partially coated with a ultra high hydrophobic film having a surface roughness such that the film exhibits a static water contact angle at least equal to 115°, preferably 120°, even better 125°, and wherein said film is a nanostructured film comprising a first layer comprising nanoparticles bound by at least one binder adhering to the surface of the article, and a second layer of an anti-fouling top coat at least partially coating said first layer. The present invention also concerns a process for preparing the above article.

Abstract: The invention relates to a silicon dioxide dispersion that comprises a) an outer flowable phase containing 1) polymerizable monomers, oligomers and/or prepolymers that can be converted to polymers by non-radical reaction; and/or 2) polymers, and b) a disperse phase containing amorphous silicon dioxide. The inventive dispersion is characterized in that the average particle size dmax of the silicon dioxide as measured by small angle neutron scattering (SANS) is between 3 and 50 nm at a maximum half-width of the distribution curve of 1.5 dmax. Such a silicon dioxide dispersion can be easily manufactured even at higher concentrations of the disperse phase and can be used to produce polymer materials that have advantageous properties, especially advantageous mechanical properties.

Abstract: The invention provides an anticorrosive surface coating composition comprising a resin system, and a hydrophobic metal oxide. The hydrophobic metal oxide is characterized by being produced via a wet process and having a surface area of at least about 350 m2/g. The invention also provides a method of producing such an anticorrosive coating composition. The invention further provides a substrate having a surface coated with the surface coating composition of the invention, as well as a method of imparting corrosion resistance to a surface of a substrate.

Abstract: Fumed silica having a BET surface area of 200±15 m2/g, a grindometer value of less than 30 ?m and a median value by PCS of 65 to 85 nm is prepared by grinding a fumed silica having a surface area of 200±25 m2/g, and silicone rubber containing this silica.

Abstract: A coating composition that is capable of forming a coating film that combines abrasion resistance and crack resistance. The composition comprises: (A) a silicone resin obtained by hydrolysis and condensation of an alkoxysilane that includes an alkoxysilane represented by a general formula (1): (R1)mSi(OR2)4-m ??(1) (wherein, R1 represents a hydrogen atom, or a substituted or unsubstituted monovalent hydrocarbon group, R2 represents an alkyl group of 1 to 3 carbon atoms, and m represents either 0 or 1), (B) hydrophobic silica microparticles, (C) a curing catalyst, and (D) a solvent.

Abstract: An acrylic rubber composition comprising (A) 100 weight parts of an acrylic rubber comprising 80-99.9 weight % of units of a monomer selected from acrylic acid ester monomers and methacrylic acid ester monomers, and 0.1-20 weight % of units of an ?,?-ethylenically unsaturated carboxylic acid monomer, (B) 5-200 weight parts of synthetic silica, and (C) 0.05-20 weight parts of a crosslinking agent. The acrylic rubber composition preferably further comprises 5-200 weight parts of aluminum silicate containing at least 5 weight % of Al2O3 wherein the total amount of Al2O3 and SiO2 is at least 60 weight %. The rubber composition has good storage stability and gives a crosslinked object having good heat aging resistance, reduced compression set and good mechanical properties.

Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.

Abstract: Provided is a pyrogenically prepared SiO2 powder in the form of aggregated primary particles having a statistical thickness surface area (STSA) of 10-500 m2/g, a thickening action based on the STSA of 4-8 mPas·g/m2, and a micropore volume of 0.03-0.

Abstract: Provided are thermoplastic elastomer compositions composed of a thermoplastic component, an elastomeric component, and at least one particulate composition. Particulate compositions are composed of a particulate material and a carrier medium. Exemplary particulate materials include minerals, mineral compounds, including mineral oxides, clays, carbon, nanotubes, and combinations thereof. Typical carrier mediums are one or more polar polymers, apolar polymers, one or more oils, poly ?-olefins, or combinations thereof. The at least one particulate composition is dispersed within the thermoplastic component and/or the elastomeric component. Particulate compositions include clay grease compositions wherein a clay, e.g., an exfoliated clay, is utilized as a thickener.

Abstract: A room temperature vulcanizing silicone polymer composition including: a) as part of the silicone polymer, a segment including a silicone polymer of Formula (I): b) a finely-divided inorganic filler present in an amount of at least about 25% by weight of the total composition. Enhanced elongation ability is possessed by these compositions.

Abstract: A resin pulley according to the present invention is obtained by molding a resin composition containing a phenol resin serving as a base resin, 15 to 50% by weight of an inorganic powder having a Mohs hardness of not less than 6.5, 20 to 40% by weight of a reinforcing fiber, and 1 to 5% by weight of a lubricant and thermosetting the phenol resin, and is superior in dimensional stability and strength, is also superior in wear resistance particularly in a dust atmosphere or the like, and is superior in practicality as an alternate to a metal pulley.

Abstract: A tire tread comprising a rubber composition based on at least: (i) a diene elastomer; (ii) more than 50 phr of a reinforcing inorganic filler; (iii) between 2 and 15 phr of a coupling agent; (iv) an unsaturated metal carboxylic acid salt. This tread has, after mechanical running-in of the tire comprising it, a rigidity gradient which increases radially from the surface towards the inside of the tread, imparting to the tire an improved compromise of grip/behavior properties. Use of such a tread for the manufacturing or recapping of tires. Tires comprising such a tread.

Abstract: The present invention relates to a stable silylated polymer emulsion and its preparation method and uses. The present emulsion comprises a silylated polymer, water, nano silica and an optional emulsifying agent. By using the preparation method of the invention, nano silica can be homogeneously dispersed in a silylated polymer. Without any surface modification, nano silica can be directly added to the silylated polymer and has good compatibility with the silylated polymer. The prepared emulsion has a solid content of <85%, a particle size of less than 3 ?m, being of a low VOC content that well meets the environmental protection requirements, and a shelf life of over half a year when stored at room temperature. After volatilization of water, the emulsion can crosslink to form an elastomer, wherein nano silica can play a role of enhancing the mechanical strength of the crosslinked polymer. In use, the emulsion can be directly diluted with water.

Abstract: A compound of substantially transparent resin and amorphous silica particulate is disclosed. The silica particulate are nanometric size and dispersed throughout in the resin. The compound can be used to make an article to diffuse and transmit light from a point source of light.

Abstract: An inkjet-receptive coating composition for efficacious inkjet printing which is a synergistic composition of swellable, water-insoluble polyvinylpolypyrrolidone particles and (fumed) silica or silica gel particles.

Abstract: The present invention herein provides silica powder which can be incorporated into a sealing material at a high content to thus give a sealing material having excellent moldability. The silica powder at least has, in the volume-based frequency distribution of particle size as determined by the laser diffraction-scattering technique, a maximum frequency value for a mode peak 1 present in a particle size range extending from 1 to 4 ?m and a maximum frequency value for a mode peak 2 present in a particle size range extending from 15 to 55 ?m, wherein the maximum frequency value for the mode peak 2 is greater than that for the mode peak 1, the mode peak 2 has a shoulder, and the content of particles whose particle size ranges from 15 to 55 ?m is larger than that of particles whose particle size ranges from 1 to 4 ?m.

Abstract: The present invention describes a composition for stabilizing a paint or paint base composition against viscosity change, gelation and agglomeration during formulation and storage. Illustratively, an antifouling paint or paint base composition is disclosed that contains a hydrolysable acrylate resin such as copper acrylate, zinc acrylate, or silyl acrylate, a metal salt of pyrithione, cuprous oxide, and a primary stabilizing agent selected from the group consisting of benzoic acid, hydroxypyridine, metal salts of benzoic acid, and hydroxypyridine, with the proviso that said composition is essentially free of 2-hydroxypyridine N-oxide, and is also essentially free of the sodium, zinc and copper salts of 2-hydroxypyridine-N-oxide.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least component comprising a rubber composition, the rubber composition comprising a diene based elastomer and an oxirane resin of formula I wherein R is a hydrocarbyl group and n1 through nl each represent 0 or an integer of from 1 to 100 and the sum of the integers represented by n1 through nl is from 1 to 100.

Abstract: Nanocomposite compositions containing a graft polymer and a filler such as nano-sized silica having flame resistant properties are described.

Abstract: The present invention is directed to a process for the preparation of an aqueous dispersion of coacervates having a core-shell structure, the core (a) being an inorganic particle being anionic or cationic and the shell (b) being a copolymer wherein said copolymer comprises at least two parts, A and B, part A being cationic if particle (a) is anionic, and anionic if particle (a) is cationic, and part B being neutral in pH conditions of said dispersion. More particularly, the invention is directed to treating compositions comprising that aqueous dispersion of coacervates delivering antifouling, water sheeting, antisoiling, anti-adhesion, adhesion, anti-deposition, and/or anti-UV properties onto all kinds of surfaces.

Abstract: A coating composition comprising a silylated polyvinyl alcohol and colloidal silica in an aqueous vehicle, where the solids content of the composition is not greater than 7.5% w/w, the silyl monomer content of the silylated polyvinyl alcohol is not greater than 3.0% (based on the monomers forming the silylated polyvinyl alcohol), the silylated polyvinyl alcohol comprises at least 50% w/w of the solids content of the composition, and the average particle size of the colloidal silica is from 5 to 80 nm, may be coated on a substrate with a layer of an inorganic compound to form a gas barrier lamella.

Abstract: The present disclosure provides a silane crosslinking adhesive, sealant or coating containing a polymer, consisting of an organic framework that supports at least two alkoxy or acyloxysilyl groups and at least one filler. The filler consists at least partially of a highly disperse silicic acid with a BET surface area of 35 to 65 m2/g and is present in the adhesive, sealant or coating in a quantity of 1 to 60% by weight, in relation to the total weight of said adhesive, sealant or coating. The disclosure also provides the use of the adhesive, sealant or coating for bonding plastics, metal, glass, ceramics, wood or wood-based material, paper, paper-based material, rubber and textiles.

Abstract: A method for increasing the hardness of silica/rubber mixtures includes blending with the mixture at least one silane and a hardness-increasing amount of at least one member selected from the group consisting of thixotropic fumed silica, precipitated silica and an MQ resin, wherein Q is SiO4/2, M is R1R2R3SiO1/2, and R1,R2,and R3 are the same or different functional or non-functional organic groups, carbon black, a thermoplastic resin or a thermosetting resin.

Abstract: An antivibration rubber composition containing diene rubber (Component A) and silica (Component B). The amount of the Component B contained is set to a range from 10 to 100 parts by weight with respect to 100 parts by weight of the Component A. The Component B has the following properties, i.e., a surface silanol-group density of not less than 3.0 groups/nm2 as determined by the Sears titration method, an average particle size of not more than 10 ?m, and a BET specific surface area of 15 to 60 m2/g.

Abstract: The invention pertains to a thermoplastic halogenated polymer composition comprising: at least one thermoplastic halogenated polymer (A); and less than 30% by weight of (A) of fused silica particles having a BET (N2) surface area of at most 50 m2/g (B). The invention also relates to a process for manufacturing the thermoplastic halogenated polymer composition, to the use of fused silica particles as impact modifier, and to the articles therefrom. Preferably the thermoplastic halogenated polymer is a semi-crystalline fluoropolymer.

Abstract: RTV organopolysiloxane compositions comprising (A) a diorganopolysiloxane having hydroxyl or alkoxysilyl groups at both ends, (B) a polyoxypropylene-modified silicone, (C) wet silica, and (D) a silane or siloxane having at least three silicon-bonded hydrolyzable groups have improved sag control and cure at room temperature into products with improved rubber physical properties and durability.

Abstract: The present invention relates to a process and a product of forming polymer (especially PVC) nanocomposites with a variety of nanofillers. The present invention provides a method for forming a polymer nanocomposite, comprising powder mixing a composition comprising polymer resin, a nanofiller, and a coupling agent for a residence time of about 4 to about 8 minutes to form a dry blend and extruding the dry blend in an extrusion process. Additionally, the present invention relates to a polymer nanocomposite formed by a process, comprising powder mixing a polymer resin, a nanofiller, and a coupling agent for a residence time of about 4 to about 8 minutes to form a dry blend and extruding the dry blend in an extrusion process to achieve homogeneous dispersion of nanofillers in the polymer matrix.

Abstract: The invention relates to a sulfur-vulcanizable rubber compound, in particular for treads of tires, which contains at least one diene rubber, liquid polybutadiene with a molecular weight of 1500-10000 g/mol and a vinyl content of 15-50%, at least one polar filler, at least one high-structure black with an iodine adsorption number of 115-200 g/kg and a DBP number of 125-160 mL/100 g and at least one glyceride and/or one factice for good abrasion characteristics, good wet traction and good traction on ice and snow with good dry braking at the same time.

Abstract: A rubber composition for a tire tread, in which wet grip performance and dry grip performance can be improved without lowering the rolling resistance property, the rubber composition including 5 to 150 parts by weight of silica having 3 to 100 of an average aspect ratio L1/D between branched particles A-A containing branched particles A on the basis of 100 parts by weight of a rubber component containing a diene rubber, the branched particle A being a particle having contact with at least 3 other particles.

Abstract: An aqueous dispersion of nanoparticle/polyurethane composites is made by forming a mixture of nanoparticles and a continuous mass of a polyurethane prepolymer in the substantial absence of water and dispersing the mixture so made in aqueous medium. Alternatively, a polyurethane prepolymer or a mixture of nanoparticles and a continuous mass of a polyurethane prepolymer is dispersed into an aqueous dispersion of nanoparticles.

Abstract: There is provided a run flat tire having a side reinforcing layer in which low exothermic property and high hardness are compatible and durability is improved. A rubber composition containing 10 to 100 parts by weight of carbon black with a nitrogen adsorption specific area of 30 to 100 m2/g and a dibutyl phthalate oil absorption amount of 50 ml/100 g or more and 2 parts by weight or more of sulfur or a sulfur compound, based on 100 parts by weight of a rubber component containing 10 to 50% by weight of a conjugated diolefin polymer or a copolymer of a diolefin and an aromatic vinyl compound having a primary amino group and an alkoxysilyl group and having a glass transition point of ?30° C. or less in which a bifunctional or more monomer is copolymerized in a polymer chain and/or at least a portion of a (co)polymer chain is coupled with a bifunctional or more coupling agent, and a run flat tire having a side reinforcing layer comprising the rubber composition.

Abstract: A vinyl chloride resin composition comprising 100 parts by mass of a vinyl chloride resin and a co-ground mixture of (a) 0.001 to 10 parts by mass of at least one member selected from the group consisting of an organic phosphoric ester compound and a metal salt thereof and (b) 0.001 to 10 parts by mass of a grinding aid. The composition is excellent in transparency, heat stability, and heat discoloration resistance.

Abstract: Intercalates and exfoliates formed from layered materials and dendritic polymers are disclosed, together with the uses of these materials, e.g. in producing composite materials. The dispersion of layered materials in a dendritic polymer matrix (hyperbranched polymers, star shaped polymers or star branched polymers) or has not been disclosed in the prior art. The high number of end-groups per molecule of dendritic polymer combined with their unique globular architectures leads to large intergallery spacings when intercalated in layered silicates and particularly facile exfoliation in spite of the high molar mass of the dendritic polymer. The excellent processability and potential high reactivity of dendritic polymers makes them extremely promising for thermoset applications, and coatings.

Abstract: Anti-fouling coating compositions and methods of making and using those compositions are provided. In an embodiment, a coating composition comprises ceramic nanoparticles, wherein the coating composition is capable of inhibiting contaminants from adhering to a solid surface.

Abstract: A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.

Abstract: The present invention relates to a cross-linkable or cross-linked rubber composition having improved hysteresis properties in the cross-linked state which is useful for the manufacture of treads for tires. The rubber composition of the present invention comprises at least one diene elastomer having a molar ratio of units originating from conjugated dienes which is greater than 30% and comprising carboxylic acid functions along its chain, and a reinforcing inorganic filler. The present invention further relates to a process for preparing such a cross-linkable or cross-linked rubber composition as well as to a tire having reduced rolling resistance and a tread for a tire where the tread comprises the rubber composition of the present invention.

Abstract: A grease-like silicone composition comprising at least a liquid organopolysiloxane comprising siloxane units represented by the formula R2SiO2/2, siloxane units represented by the formula RSiO3/2, and siloxane units represented by the formula R3SiO1/2 and a thickening agent. A grease-like silicone composition is provided that is capable of containing a large amount of thickening agent and possesses superior heat resistance.

Abstract: Free-flowing filler compositions containing sulfur-containing silane coupling agents, and a tire composition containing the filler composition, for use in the manufacture of tires.

Abstract: Formulations comprising novel porous metal oxide particles and binder are particularly suitable for ink receptive coatings, e.g., for ink jet papers and films. The metal oxide particles used in this application have a porous structure that differs significantly from the nonporous silica colloids. The particles have a median particle size in the range of about 0.05 to about 3 microns and porosity such that when an aqueous dispersion of the particles is dried at least 0.5 cc/g of pore volume is from pores having a pore size of 600 ? or less. The particles also have a viscosity derived pore volume of at least 0.5 cc/g.

Abstract: A pressure sensitive adhesive is described comprising an acrylate copolymer, silica nanoparticles and crosslinked by a polyfunctional aziridine crosslinking agent.

Abstract: Compositions comprising a carbon containing nano-material, a curable matrix, and a block copolymer comprising a functional block and a non-functional block, wherein no block is compatible with the curable matrix. Also provided are cured compositions, multi-layer articles comprising the compositions, and multi-layer articles comprising the cured compositions. Further provided is a method for increasing the material dampening of a polymer composition comprising mixing a curable matrix, a carbon containing nano-material, and a block copolymer comprising a functional block and a non-functional block.

Abstract: Silicone rubber compositions useful for high-voltage insulators, and which cure to give silicone rubbers having a low combustibility, are addition-crosslinkable or peroxide-crosslinkable silicone rubber compositions containing aluminum hydroxide as filler, with the uncrosslinked composition having a storage stability which is improved compared to the prior art and improved processing properties by including an acid, base, or a compound which liberates an acid or base upon heating. These improved properties are achieved both with surface-treated aluminum hydroxide and with untreated aluminum hydroxide.

Abstract: To provide a dispersion of hollow SiO2, capable of obtaining, when formed into a coating composition, an antireflection film having high antireflection properties and low chroma saturation by forming a low refractive index coating film having a refractive index gradient. A dispersion of fine silica particles, having agglomerated particles which are agglomerates of primary fine particles of hollow SiO2 dispersed in a dispersion medium, wherein the average particle size of the agglomerated particles is within a range of from 60 to 400 nm, and the average particle size is at least 1.5 times the average primary particle size of the silica. When a coating composition containing the dispersion is to be obtained, the matrix component is preferably a precursor of a metal oxide or an organic resin. By applying the coating composition to a substrate, a substrate with an antireflection coating film is obtained.

Abstract: This invention relates to a tire having a component of a rubber composition which contains a carbonaceous filler as a composite comprised of a disturbed crystalline structure which contains synthetic cubic (diamond) crystalline phase(s) combined with a significant amorphous phase content and which may also contain graphitic (hexagonal) crystalline phases. The crystalline phases are of a disturbed crystalline structure. The carbonaceous filler composite may therefore sometimes be referred to as a “disturbed crystalline/amorphous carbon material”. Such carbonaceous filler composite may be a product of, for example, an explosive detonation of a carbon-containing, oxygen-deficient explosive. Reinforcement of rubber compositions for components of tires is provided as a combination of such carbonaceous disturbed crystalline/amorphous carbon material together with rubber reinforcing carbon black aggregates and/or synthetic amorphous silica, and optionally with starch/plasticizer composite and/or short fibers.