Abstract: A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are also disclosed as well as methods of making the modified products.

Abstract: A composition usable in hole filling of a metal layer and to planarize the metal layer is provided. The metal layer is part of a substrate which can be part of a multilayer printed circuit board or chip carrier. The composition comprises a fluoropolymer dielectric metal, a filler material, and a coupling agent, the filler material having at least a partial coating of the coupling agent.

Abstract: Rubber compositions containing surface-modified, ambient pressure dried, highly dispersible silica gels are disclosed. Methods of making rubber compositions containing such surface-modified silica gels, and methods of functionalizing the surface-modified silica gel in-situ in the presence of an elastomeric component are also disclosed. Articles, including tires and tire components, made from the reinforced rubber compositions are also disclosed.

Abstract: Binders suitable for coating compositions, obtainable by reaction of one or more epoxy-functional binders with carboxyl-functional nanoparticles, and coating compositions containing them and the use thereof.

Abstract: The invention relates to new methods of dyeing polymers. The methods include dispersing nanomaterials into the polymers to form polymer nanocomposites, and dyeing the polymer nanocomposites with a dye. The invention also relates to dyed polymers thus obtained and articles made from these dyed polymers.

Abstract: A coolant-resistant and thermally stable primer composition comprising an organic-functional silane, preferably the reaction product of at least one amino-functional silane and at least one isocyanato-functional silane, is provided. The primer composition may additionally comprise a phenoxy resin, a phenolic resin and talc. A method for bonding an elastomer to a metal also is provided.

Abstract: A halogen-free flame-retardant heat-shrinkable tube with high expanding property having the surface with excellent marking property and printability is provided. The tube includes an outer layer mainly made of polyolefin resin blended at the ratio of 100 parts by weight of a polyolefin resin and 100 to 250 parts by weight of metal hydroxide or that which is surface-treated with a silane coupling agent and an inner layer mainly made of polyolefin resin blended at the ratio of 100 parts by weight of a polyolefin resin and 100 to 250 parts by weight of metal hydroxide which is surface-treated with an anionic surface-active agent.

Abstract: Elastomer composite blends are produced by novel wet/dry mixing methods and apparatus. In the wet mixing step or stage, fluid streams of particulate filler and elastomer latex are fed to the mixing zone of a coagulum reactor to form a mixture in semi-confined flow continuously from the mixing zone through a coagulum zone to a discharge end of the reactor. The particulate filler fluid is fed under high pressure to the mixing zone, such as to form a jet stream to entrain elastomer latex fluid sufficiently energetically to substantially completely coagulate the elastomer with the particulate filler prior to the discharge end. Highly efficient and effective elastomer coagulation is achieved without the need for a coagulation step involving exposure to acid or salt solution or the like. Novel elastomer composites are produced.

Abstract: The present invention provides a dental paste, a dental article, methods of making and using the dental paste, and compositions prepared therefrom. In one embodiment, the dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-aggregated primary silica particles, with the fillers being dispersed in a hardenable resin.

Abstract: A method of making and polymer compositions with enhanced adhesion that include a rubbery or glassy polymer, about 0.1 to 30% by weight of carbon black filler and from about 0.1 to 5% by weight of carbon filler. Preferred polymers are polybutadiene, brominated isobutylene methylstyrene, polystyrene or polymethylmethacrylate and preferred carbon fillers are colloidal silica, pure graphite particles and a carbon black filler heat treated to an extent sufficient to reduce interaction with the polymer.

Abstract: There are provided an inorganic filler, multi-functional filler, an organic compound filler, a modified filler, and a dental coloring filler suitable in use as a filler in a dental composition, compositions having a resin matrix of an organic polymer material, as well as a process for producing the same. Disclosed are an inorganic filler which comprises an inorganic fine particle, wherein the surface of the inorganic fine particle is covered with polysiloxane. Also disclosed is a multi-functional filler which comprises an inorganic fine particle containing an acid reactive element, wherein a cement reactive phase is formed on the surface of the inorganic fine particle, and the cement reactive phase is further covered with polysiloxane. Also disclosed is an organic compound filler which comprises an organic-inorganic polymer particle or an organic polymer particle, wherein the surface of the organic-inorganic polymer particle or an organic polymer particle is covered with an inorganic film.

Abstract: Organic based and preferably clear and glossy lacquer/varnish or an organically based gel-coat with the ability to form coatings with high wear resistance, as well as method for manufacturing same, said lacquer/varnish or gel-coat comprises a controlled amount of inorganic polymer particles mainly with a size of 1-100 nm, the particles being able to form a three-dimensional network that is independent of the organic network of the lacquer or which may have bondings to this network. The polymer particles are typically a reaction product obtained by hydrolysis and condensation reactions of monomer compounds chosen among the following groups: i) M(OR)n, or ii) R′-M(OR)n, where M is a metal ion, and R is an organic group chosen among alkyl, alkenyl, aryl or combinations of such groups with from 1 to 8 carbon atoms, R′═R or R—X, where X is an organic group like e.g. amine, carboxyl or isocyanate, and n is an integer between 1 and 6.

Abstract: In fluorinated curable compositions comprising alkenyl group-bearing perfluoropolyethers as the base polymer to ensure chemical resistance and solvent resistance together with an organohydrogensiloxane and a platinum group metal catalyst, a hydrophobized silica fine powder is used in combination therewith to render the compositions thixotropic.

Abstract: Provided is a polyamide resin composition comprising a melt blend of (A) a polyamide resin, (B) a phyllosilicate, and (C) an olefin compound having a carboxylic acid anhydride group in the molecule or a polymer of the olefin compound, in which the phyllosilicate (B) has a reactive functional group bonded thereto and is such that the exchangeable metal ions existing in the inter layers are ion-exchanged with organic onium ions. The composition has a reduced inorganic ash content and has both high stiffness and high ductility. Optionally, the composition contains an inorganic filler apart from the phyllosilicate, an impact modifier, and a flame retardant, still having high stiffness and high ductility.

Abstract: The invention provides a room-temperature-curing composition which comprises (A) a polymer ingredient comprising a copolymer (A1) which contains a silicon having a hydrolyzable functional group and has a molecular chain substantially comprising (a) alkyl (meth)acrylate monomer units having an alkyl group having 1 to 8 carbon atoms and (b) alkyl (meth)acrylate monomer units having an alkyl group having 10 to 30 carbon atoms, (B) a moisture curing catalyst, and (C) any of the following (C1) to (C3): (C1) a metal salt hydrate; (C2) a primary amine compound (C2a) and a compound having a carbonyl groups (C2b); and (C3) an inorganic filler surface-treated with a silicate. The room-temperature-curing composition of the invention is excellent in rapid curing property, depth curability, and workability.

Abstract: This invention provides a multicolor coating composition comprising a vehicle and a metal oxide-coated silica flake pigment wherein a coating film resulting from baking of said coating composition and a coating film resulting from reheating of the former coating film under the same conditions as in said baking, followed by 10 minutes of standing at room temperature show a color difference of less than 0.5.

Abstract: In-organic fillers are modified by in-situ co-polymerization of vinyl silane and another vinyl monomer. Vinyl silane couples with the filler by Si—O bonds. The remaining vinyl groups on the surface of the treated fillers then co-polymerize with the other vinyl monomer. The modified in-organic fillers treated by the in-situ co-polymerization are subsequently used to fill the polymer matrix. Tensile and impact strength of filler-reinforced polymer composites are improved remarkably.

Abstract: Nanoparticle composites and nanocapsules for guest encapsulation and methods for synthesizing same. One synthesis method includes providing a nanoparticle template; and forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template to form a nanoparticle composite defined by the shell and the nanoparticle template. Another synthesis method includes providing a nanoparticle template; forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template; and dissolving the nanoparticle template to thereby form a hollow nanocapsule defined by the shell. Another synthesis method includes providing a nanoparticle template carrying a guest molecule; and forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template to thereby encapsulate the guest molecule.

Abstract: The present invention relates to a product, a process for its preparation and the use of such in plastic film production. More specifically, the present invention relates to an antiblock talc, a process for the preparation of such and its use as an additive in the production of polyolefin film. Polyolefin films produced according to the process of the present invention are useful in a broad range of packaging and film covering applications.

Abstract: A modified oxidic or silicate filler, comprising:

Abstract: The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having decreased levels of extractable material, such as extractable salts of organic cations. This invention is also directed to processes for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.

Abstract: An aggregate having attached at least one type of polymer is described, wherein the aggregate comprises at least one carbon phase and at least one silicon-containing species phase. Other aggregates which can have a polymer attached include, but are not limited to, an aggregate comprising at least one carbon phase and at least one metal-containing species phase and carbon black at least partially coated with silica. Methods of making the aggregate are further described which involve combining the starting aggregate with a reactive polymer and mixing in order to attach the polymer onto the aggregate. Uses of the aggregate are further described such as incorporating the aggregate into polymer foams and other polymeric products as well as elastomeric products. Polymer foam compositions are also described and contain polymer foam and chemically modified carbonaceous filler, specifically, carbonaceous filler having polymer moieties chemically bonded to the carbonaceous particulates.

Abstract: A process for production of a polyolefin-based composite material of high rigidity, containing a polyolefin and a layered clay, involves impregnating a layered, swellable clay which is interstratified with a tetraalkyl cation, with at least one polymerizable monomer and then mixing this impregnated clay with a polyolefin and a peroxide, at a temperature above the melting point of the polyolefin. A polyolefin-based composite material containing 98-50 wt. % of a polyolefin, 1-50 wt. % of another homo- or copolymer and 1-50 wt. % of a layered clay, wherein the ratio between the modulus of elasticity of the material and that of the initial polyolefin, at a temperature which is 30° C. below the melting temperature of the polyolefin, is higher than or equal to 1 has high rigidity.

Abstract: The wet traction of a vehicle tire is significantly improved when about 5 phr to about 200 phr of a surface-treated (hydrophobated) siliceous or oxidic filler is included in the vulcanized rubber compound used for the tire tread.

Abstract: A condensation curable silicone rubber composition is provided which is able to suppress increases in viscosity over time, has an adequate pot life and excellent mold releasability, and displays favorable urethane molding durability.

Abstract: Composite particles capable of an excellent dispersibility and an excellent light resistance of the present invention have an average particle diameter of 0.001 to 12.

Abstract: An acrylic resin composition comprises an organic silicon based compound that can be copolymerised with or mixed with acryl monomer or methacryl monomer in the acrylic resin. The acrylic resin composition may contain inorganic fine grains of which the hydroxyl group or the methyl group is bonded to their surface. A painted-film molded resin plate and a coating member for a solar cell panel use the above acrylic resin composition.

Abstract: Silylated silica is prepared by silylating silica with an organosiloxane composed of A units of the formula (I)

Abstract: A silica powder surface-treated with and epoxy compound having a plurality of epoxy groups, in which at least one epoxy group of the epoxy compound is ring-opened to bind to the surface of the silica powder and at least a portion of the remaining epoxy groups of the epoxy compound are bonded to amine compounds. The silica powder may be produced by the surface treatment of a silica powder with an epoxy compound and an amine compound successively or with both these compound simultaneously.

Abstract: The invention relates to preparation of plant-derived synthetic silica aggregates from organic plant sources, (e.g. rice husks), reinforcement of rubber compositions therewith and preparation of articles of manufacture, such as tires, having at least one component, (e.g. treads), as a rubber composition which contains said plant-derived precipitated silica aggregates. The invention further relates to such plant-derived silica aggregates having been pre-treated with an alkylsilane and/or organomercaptosilane. The invention additionally relates to the preparation of rubber compositions therewith with an addition of a starch/plasticizer composite. The invention further relates to preparation of articles of manufacture, including tires, having at least one component comprised of such prepared rubber composition such as, for example, tires having such components as treads, sidewalls and/or innerliners.

Abstract: The invention relates to a transparent medium comprising multilayer pigments having angle-selective reflection or transmission properties and/or absorption properties, and to their use, in particular in transparent thermal insulation systems (TTIs).

Abstract: This invention relates to preparation of a rubber composition by pre-mixing at least one rubber compounding ingredient with an organic solvent solution of at least one elastomer. The invention also contemplates the use of such rubber composition, or blend of such rubber composition with at least one additional elastomer and/or rubber compounding ingredient, as a component of an article of manufacture. Such article of manufacture may be, for example, a tire. Such article may also be an industrial product such as, for example, a hose or belt such as a conveyor belt or power transmission belt.

Abstract: This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as a combination of 1-thioglycerol(3-mercapto-1,2-propanediol) and 2,2′-benzothiazyl disulfide. Said coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being supported on a carbon black carrier or as being pre-reacted, or otherwise pre-treated, with synthetic silica aggregates. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.

Abstract: An untreated filler and a high viscosity silicone polymer premix is charged into a compounding apparatus. Treating agent and additional silicone polymer are added to the premix and the premix, treating agent and additional silicone polymer are compounded to produce a heat vulcanizable filled silicone composition.

Abstract: The invention relates to an elastomer/reinforcing filler composite in which said elastomer contains a dispersion therein of said reinforcing filler wherein said composite is prepared by forming said filler reinforcement in situ within the elastomer host. Such in-situ formation of reinforcement filler is created by a condensation reaction of a filler precursor within a solvent solution of a diene hydrocarbon based elastomer and with the aid of a phase transfer agent and a condensation reaction promoter. The invention further relates to a tire having at least one component comprised of the resulting elastomer/filler composite. The invention includes a rubber composition of at least two elastomers wherein one of said elastomers is a said pre-formed composite of said elastomer/filler reinforcement. A tire having a component of such rubber composition, particularly a tire tread, is specifically contemplated.

Abstract: This invention relates to a rubber mixture containing a nitrile rubber, a metal salt of an acrylate, a liquid acrylate and optionally other additives, a process for its preparation, and use for all types of molded articles, in particular roller coatings.

Abstract: The invention relates to a fast-drying rendering and coating composition comprising a binder in the form of an aqueous polymer dispersion or of a water-redispersible polymer powder, and also an organic precipitant, if desired in combination with an inorganic precipitant.

Abstract: A powder coating composition of the invention comprises a film-forming polymeric component having a d(v,50) in the range or from 25 to 50 microns or a d(v,70) in the range of from 25 to 70 microns, which composition incorporates by dry-blending at least one appearance-modifying additive component and a further component comprising wax-coated silica or consisting of alumina together with aluminum hydroxide. The appearance-modifying additive may be a gloss-reducing component, a texturing component, a metallic or mica component, a coloring pigment, or a further film-forming polymeric material comparable with the first film-forming polymeric material and differing in coloration therefrom, and the further additive may be alumina together with aluminum hydroxide, wax-coated silica, or a combination thereof. Preferably, no more than 70% by volume of the particles in the film-forming polymeric material are less than 50 microns. A kit of the invention comprises the individual additive components prior to mixing.

Abstract: Disclosed are elastomeric compounds including an elastomer and a silicon-treated carbon black, and optionally including a coupling agent. The elastomeric compound exhibits poorer abrasion resistance in the absence of a coupling agent, lower hysteresis at high temperature and comparable or increased hysteresis at low temperature compared to an elastomer containing an untreated carbon black. A variety of elastomers and formulations employing such elastomers are contemplated and disclosed. Elastomeric compounds incorporating an elastomer and an oxidized, silicon-treated carbon black are also disclosed. Also disclosed are methods for preparing elastomers compounded with the treated carbon black.

Abstract: This invention relates to preparation of a rubber composition by pre-mixing at least one rubber compounding ingredient with an aqueous emulsion, or latex, of at least one elastomer. The invention also contemplates the use of such rubber composition, or blend of such rubber composition with at least one additional elastomer and/or rubber compounding ingredient, as a component of an article of manufacture. Such article of manufacture may be, for example, a tire. Such article may also be an industrial product such as, for example, a hose or belt such as a conveyor belt or power transmission belt.

Abstract: The present invention is directed to a composition comprising a white pigment or extended white pigment surface treated with a silane having at least one functional group capable of reacting with acids and anhydrides, at least one polymeric material and a compatibilizer. Once treated, the pigment has improved processability and dispersibility in polymeric materials. Silanizing the pigment also enhances the brightness (increase whiteness and reduce yellowness) of the pigment.

Abstract: A method for microencapsulating red phosphorus in polymerized urea resorcinol formaldehyde resin is disclosed. The method entails (i) preparing an aqueous mixture containing urea, resorcinol and formaldehyde, (ii) adding hexamethylene tetramine and optionally water to the mixture to yield a stabilized mixture (iii) dispersing red phosphorus in the to the stabilized mixture (iv) adding acid to the reaction mixture, and (v) collecting the resulting encapsulated red phosphorus. The product is suitable as flame retarding agent in molding compositions.

Abstract: A method for preparing encapsulated red phosphorus is disclosed. The method entails obtaining a material system that contains dispersed particulate red phosphorus having a mean particle size of 0.1 to 100 &mgr;m in an aqueous phase that comprise urea, formaldehyde and a water-soluble silicon dioxide precursor, adding to the material system a sufficient amount of acid to lower the pH to 0 to 5 and maintaining the resulting acidic system at a temperature of 80 to 120° C. for a period longer than one hour. The encapsulated red phosphorus of the invention is suitable for using as a flame retarding agent for plastics molding compositions.

Abstract: The invention relates to a collection of composite plateletlike particles comprising a core and at least one coating layer consisting essentially of a compound having from 60 to 95% by weight of carbon and from 5 to 25% by weight of nitrogen, the balance to 100% being selected from elements of the group consisting of hydrogen, oxygen and sulfur.

Abstract: The present invention relates to a composition comprising (i) a layered clay material that has been cation-exchanged with an organic cation salt represented by Formula (I): wherein M is nitrogen or phosphorous, X− is a halide, hydroxide, or acetate anion, R1 is a straight or branched alkyl group having at least 8 carbon atoms, and R2, R3, and R4 are independently hydrogen or a straight or branched alkyl group having 1 to 22 carbon atoms; and (ii) at least one expanding agent, wherein the cation-exchanged clay material contains platelet particles and the expanding agent separates the platelet particles. The present invention also relates to a composite comprising a polymer having dispersed therein a composition of this invention. Preferred polymers for use in the composite include polyesters. The composite of the present invention shows vastly improved platelet separation as evidenced by higher than previously reported basal spacing.

Abstract: The invention provides a matt, thixotropic paint formulation comprising a resin system and a matting agent. The matting agent comprises a hydrophobic metal oxide, which has a surface moiety (i.e., one or more surface moieties) selected from the group consisting of trimethyl silyl, vinyl dimethyl silyl, acryl dimethyl silyl, and dimethyl silyl. Morever, the paint formulation is characterized by having thixotropic properties such that it does not sag at a notch height of about 75 &mgr;m when measured with an anti-sag meter after application to a substrate. The invention also provides a method of producing such a paint formulation. The invention further provides a substrate having a surface coated with the matt, thixotropic paint formulation of the invention.

Abstract: A thermally sensitive polymer-particle composite that absorbs electromagnetic radiation, and uses the absorbed energy to trigger the delivery of a chemical is disclosed. Metal nanoshells are nanoparticulate materials that are suitable for use in the present composites and can be made according to a process that includes optically tuning or tailoring their maximum optical absorption to any desired wavelength primarily by altering the ratio of the core diameter to the shell thickness. Preferred nanoshells are selected that strongly absorb light in the near-infrared and thus produce heat. These nanoshells are combined with a temperature-sensitive material to provide an implantable or injectable material for modulated drug delivery via external exposure to near-IR light. This invention provides a means to improve the quality of life for persons requiring multiple injections of a drug, such as diabetes mellitus patients.

Abstract: This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as N-3-(1,2-dihydroxypropyl)-N-oleylammonium bromide and/or N-3-(1,2-dihydroxypropyl)-N-methyl-2-mercaptoimidazolium bromide for endeavoring to both couple synthetic aggregates of precipitated silica to elastomers and enhancing electrical conductivity of such rubber compositions which contain less than 25 parts by weight carbon black per 100 parts by weight elastomer. Said coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being supported on a carbon black carrier or as being pre-reacted, or otherwise pre-treated, with synthetic silica aggregates. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.

Abstract: The invention is a polyester resin that includes between about 20 and 200 ppm of an inert particulate additive, preferably selected from the group consisting of surface-modified talc and surface-modified calcium carbonate. The invention is also a method of making the polyester resin, which is capable of being formed into low-haze, high-clarity bottles possessing reduced coefficient of friction.

Abstract: The invention is a polymer resin that includes between about 20 and 200 ppm of an inert particulate additive, preferably selected from the group consisting of surface-modified talc and surface-modified calcium carbonate. The polymer resin is capable of being formed into low-haze, high-clarity bottles and films possessing reduced coefficient of friction.