Abstract: An optical material is a mixture of materials comprising a first material having a refractive index of not more than 1.45 for the d-line and a second material having an Abbe's number, indicating wavelength dispersion in the visible region, of not more than 25. A relation between the refractive index for the d-line (nd) and the Abbe's number (&ngr;d) is defined as follows: nd≦−6.667×10−3&ngr;d+1.70.

Abstract: A process for preparing an aqueous dispersion of composite particles composed of addition polymer and finely divided inorganic solid, in which process at least one ethylenically unsaturated monomer is dispersely distributed in aqueous medium and is polymerized by the method of free-radical aqueous emulsion polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid and at least one dispersant.

Abstract: The present invention provides an ink composition for use in ink jet printing on food items, candy, particularly dark candy, such as chocolate, and to a method of forming printed images on such food items by use of the ink compositions. The compositions of the present invention comprise a pigment, a binder, and an aqueous carrier.

Abstract: The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxide having the following characteristics: (a) its specific BET surface area is between 20 and 200 m2/g; (b) its average particle size (by mass), dw, is between 20 and 400 nm; and (c) its disagglomeration rate, &agr;, measured by the ultrasound disagglomeration test, at 100% power of a 600-watt ultrasonic probe, is greater than 2×102 &mgr;m1/s. The invention also provides for the use of a rubber composition according to the invention for the manufacture of rubber articles, in particular tires or semi-finished rubber products intended for these tires. The composition of the invention is particularly useful for the manufacture of colored tires or colored semi-finished articles such as tire treads or sidewalls.

Abstract: A flame retardant thermoplastic molding composition is disclosed. The composition contains an amorphous thermoplastic polymer, at least one flame retardant in the form of a fully or partially halogenated sulfonic acid salt and at least on alkaline earth metal sulfate and/or one oxide having an average particle size of up to 400 nm.

Abstract: A curable slurry for forming ceramic microstructures on a substrate using a mold. The slurry is a mixture of a ceramic powder, a fugitive binder, and a diluent. The ceramic powder has a low softening temperature in a range of about 400° C. to 600° C. and a coefficient of thermal expansion closely matched to that of the substrate. The fugitive binder is capable of radiation curing, electron beam curing, or thermal curing. The diluent promotes release properties with the mold after curing the binder or quick and complete burn out of the binder during debinding.

Abstract: The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject premixed compositions need only maintain inventory of four compositions. The particular compositions which are the subject of the invention exhibit stable characteristics during storage in their respective reservoirs. The compositions include a pigment composition, a dispersant thickening agent, a high resin content binder, and a low resin content binder. The compositions are combined in differing amounts to produce paint compositions being suitable for either interior or exterior use and having differing sheens, quality levels, and color bases.

Abstract: A polyester composition includes a poly(butylene terephthalate), a nitrogen-containing flame retardant, and a phosphorus-containing flame retardant, such that the weight ratio of the total of the nitrogen-containing flame retardant and the phosphorus-containing flame retardant to poly(butylene terephthalate resin) is at least about 0.70, and the weight ratio of the phosphorus-containing flame retardant to the nitrogen-containing flame retardant is at least about 1.0. The compositions have excellent color stability under ultraviolet light aging, good flame retardance, and high impact strength.

Abstract: An electroconductive plate-like titania containing at least 10% by weight of titanium nitride and at least 0.1% by weight of carbon component can provide electroconductive parts which are higher and more uniform in electroconductivity.

Abstract: A molding composition is provided that includes an inorganic component, an organic binder component, and a debinding catalyst. The molding composition is capable of lowering the sintering temperature, for example, when the molding composition is used to make ceramic microstructures such as barrier ribs for plasma display panels.

Abstract: Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units containing 60 to 100 mol % of 1,9-nonanediamine units and/or 2-methyl-1,8-octanediamine units, and 5 to 100 parts by weight of (B) a titanium oxide with an average particle size of 0.1 to 0.5 &mgr;m. The polyamide composition shows excellent heat resistance enough to withstand the SMT process, and gives a molded article with excellent whiteness and surface-reflectance.

Abstract: To provide a novel light responsive material having responsive property with visible light despite essentially not comprising oxygen defects, a method of manufacturing thereof, and applications thereof. That is, the light-responsive material in the form of rutile-type titanium oxide with a light source peak wavelength of 520 nm and activity due to the effect of light with a full width at half maximum of 20 nm. The activity due to the effect of light is NO elimination activity. The method of manufacturing the light-responsive material comprising the treatment with nitrogen plasma, or the treatment in an ammonia atmosphere of rutile-type titanium oxide.

Abstract: Disclosed are methods for the formation of a free flowing polymer/filler masterbatch powder, in which a polymer and filler are intimately mixed for a time and under shear conditions sufficient to convert the combination into a free flowing associated composition of polymer and filler.

Abstract: The invention relates to a hot-melt contact adhesive, containing at least one unsaturated polymer and a particulate inorganic compound which has an average particle diameter d50 of between 0.05 and 300 &mgr;m. The invention also relates to a method for producing the same and to the use of inorganic particulate compounds of this type for producing a hot-melt contact adhesive. In addition, The invention relates to adhesive objects which are produced using a hot-melt contact adhesive of this type.

Abstract: The present invention is concerned with a coating composition for a hard coat layer of a plastic lens, which comprises (A) a hydrolyzate of a specific alkoxysilane compound, (B) fine particles of an oxide of silicon, aluminum, tin, antimony, zirconium, tungsten or titanium or composite fine particles made of oxides of any two oxides of these, (C) a polyurethane and (D) a curing agent, and the coating composition is applied onto a plastic lens surface to give a scratch-resistant plastic lens.

Abstract: A polyester resin composition containing, as a resin component, a polyester with its main component formed from a polytrimethylene terephthalate and having an intrinsic viscosity of 0.4 to 2, which satisfies the following conditions (1) to (3): (1) the polyester resin composition is composed of a polyester resin component comprising 90% by weight or more of a polytrimethylene terephthalate; (2) the polyester resin composition contains 0.01 to 3% by weight of titanium oxide having an average particle size from 0.01 to 2 &mgr;m; and (3) the polyester resin composition contains 25 or less/mg of the resin of agglomerates of titanium oxide particles which agglomerates have a lengthwise size exceeding 5 &mgr;m. A polytrimethylene terephthalate-based polyester fiber, having a low frictional coefficient, excellent in wear resistance, and showing a suitable luster and a delustered effect, can be stably spun and drawn by applying a melt spinning method to the polyester resin composition.

Abstract: Polymer resins incorporating nanoparticles having a particle size in the range of 1-100 nm and a narrow particle size distribution have improved tensile properties and scratch resistance.

Abstract: The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate resin (a), 3 to 30 parts by weight of titanium oxide (b), 0.01 to 9 parts by weight of silica (c1), 0.01 to 9 parts by weight of a polyorganosiloxane polymer (c2), and 0.01 to 5 parts by weight of polytetrafluoroethylene (d).

Abstract: Compositions comprising liquid crystalline polymer; inert filler; and small particle size filler having a mean particle size less than about 50 nanometers. These blends have excellent adhesion and low surface roughness properties and can be used as molded articles in electronics or electrical applications.

Abstract: The present invention is a stable, labeling paint suitable for use on an OSB finishing line in conjunction with metal stencils. The labeling paint is water-based and can include opacifying agents, viscosity enhancing agents, surfactants, a polymeric binding agent with a glass transition temperature that is greater than about 25° C., and a debonding agent, which is active on metal surfaces.

Abstract: Extinguishing medium in pasty to solid form for quenching electric arcs, consisting of a silicone polymer or a mixture of such silicone polymers, with the silicone polymer or the mixture of silicone polymers containing a mineral compound or a mixture of such compounds in powder form as a filler; use of the extinguishing medium to quench electric arcs in overcurrent-protection elements, in electronics and microelectronics; in high-voltage engineering; or in repeating fuses, and electrical devices, machines and systems which contain an extinguishing medium according to the invention.

Abstract: The present invention provides a stable, labeling paint suitable for use on an OSB finishing line in conjunction with metal stencils, and a method for making the labeling paint.

Abstract: The metal oxide filler of titanium oxide or silicon oxide for the crosslinkable elastomer composition which has a pH value of from 5.0 to 11.0 and contains impurity metals other than the essential metal of the filler in an amount of not more than 10,000 ppm. The metal oxide filler can be obtained by extraction treatment of a starting metal oxide filler with an acid to reduce a content of impurity metals thereof and then treatment with an alkali to neutralize a remaining acid. The metal oxide filler of the present invention does not cause a crosslinking failure even when added to the elastomer composition and can provide the elastomer molded article suitable as a very clean sealing material for semi-conductor production apparatuses.

Abstract: A process is described for the modification of polymer melts by means of finely divided inorganic solid particles (melt modification process), in which a powdery additive which contains the inorganic solid particles with a maximum particle size of 1 &mgr;m embedded in finely divided form in a matrix of an organic substance, the organic substance containing one or more of the substances from the group consisting of polyols, polyglycols, polyethers, dicarboxylic acids and derivatives thereof, AH salt, caprolactam, paraffins, phosphoric acid esters, hydroxycarboxylic acid esters and cellulose, is incorporated into the polymer.

Abstract: Coating compositions are provided which include a polysiloxane comprising at least one reactive functional group, at least one material comprising at least one reactive functional group, and at least one boron-containing compound. Also provided are multi-layer composite coatings formed from a basecoat deposited from a pigmented coating composition and a topcoat applied over the basecoat, the topcoat deposited from the aforementioned coating composition. Methods for repairing a multi-layer composite coating and coated substrates are also provided. The compositions of the invention provide highly scratch resistant coatings, particularly highly scratch resistant color-plus-clear coatings, which have excellent intercoat adhesion to subsequently applied coating layers.

Abstract: Acrylic fiber which can be produced industrially at a low cost and has excellent appearance properties that the individual fibers are clearly perceived visually is provided.

Abstract: A coating material based on polytetrafluoroethylene (PTFE) containing pigments and suitable for marking with a UV laser includes raw PTFE, 0.01 to 5 wt. % titanium oxide pigment, and 0.1 to 5 wt. % of one or more of arylene sulfide polymers, particularly polyphenylene sulfide (PPS); polyarylsulfones, in particular polysulfone (PSU) or polyethersulfone (PES); and polyaryletherketones, in particular polyetherketone (PEK) or polyetheretherketone (PEEK).

Abstract: A visible light responsive type paint comprising a binder, a visible light responsive type material and a solvent. A visible light responsive type coating film comprising a binder and a visible light responsive type material, and an article having this coating material. Said visible light responsive type material comprises at least anatase type titanium dioxide, as well as the main signal having a g value ranging from 2.004 to 2.007 and two subsignals having a g value ranging from 1.985 to 1.986 and a g value at 2.024 are observed in the ESR measured under the irradiation of light having a wavelength of 420 nm or more at 77 K in vacuum, and said three signals are observed in a little amount or substantially not observed in darkness at 77 K in vacuum.

Abstract: Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition can include chemically bonded inorganic particles and ordered copolymers. Various electrical, optical and electro-optical devices can be formed from the composites.

Abstract: It is an object of the invention to provide an aqueous dispersion for electrodeposition which has excellent shelf life and can form thin, high dielectric constant films, as well as a high dielectric constant film formed from the aqueous dispersion and electronic parts provided with the high dielectric constant film. The aqueous dispersion for electrodeposition according to the invention is characterized in that organic particles with a mean particle size of no greater than 1 &mgr;m and a dielectric constant of at least 30 (titanium dioxide particles and the like) and organic particles composed of either or both a polymerizable compound and a polymer (polyimide-based resin and the like) are dispersed in an aqueous medium, allowing storage for a period of 7 days or longer at 20° C.

Abstract: A photoreceptor including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate and including titanium oxide which has an average particle diameter greater than 0.05 &mgr;m and less than 0.20 &mgr;m and which includes rutile titanium oxide in an amount of from 10 to 100% by weight based on total weight of the titanium oxide; and a photosensitive layer located overlying the undercoat layer.

Abstract: The present invention provides slurries and methods of making slurries having improved stability comprising below about 78 weight-percent rutile titanium dioxide based on the total weight of the slurry, an amorphous alumina compound surface treated titanium dioxide, a polyacrylic acid dispersing agent having a molecular weight in the range of from about 2,000 to about 5,000 that is neutralized with a neutralizing agent having a monovalent group, and water; wherein the slurry has a pH of from about 6 to about 8. The slurries of the present invention resist gel formation.

Abstract: A method of preserving two or more separately packaged agents for forming a silicone composition which can be cured by mixing the separately packaged agents, which method can reduce the number of air bubbles contained in a cured product of the silicone composition and prevent a reduction in the strength of the cured product. The method of preserving the composition is characterized by keeping each packaged agent of the curable silicone composition under reduced pressure.

Abstract: The subject invention pertains to thermoplastic marking compositions comprising a binder, which in turn comprise at least one homogeneous polymer. Accordingly, the subject invention provides a thermoplastic marking composition comprising: (a) from 10 to 80 weight percent of a binder, which in turn comprises: (i) from 1 to 99 weight percent of at least one homogeneous polymer; (ii) from 5 to 70 weight percent of at least one tackifier; (iii) from 0 to 10 weight percent of a polyethylene which has pendant acid functionality moieties of a non-functionalized wax; and (iv) from 0 to 20 weight percent of a plasticizer; and (b) from 20 to 90 weight percent of an inorganic filler. The subject formulations are usefully applied via spray, screed, and extrusion techniques.

Abstract: A polyimide film of 20 to 125 &mgr;m thick composed of aromatic polyimide prepared from an aromatic tetracarboxylic acid component (composed mainly of 3,4,3′,4′-biphenyltetracarboxylic acid or its derivative) and an aromatic diamine component (composed mainly of p-phenyl-enediamine) and containing a micro-granular filler of metal atom-containing inorganic material, can be so denatured on its surfaces that an amount of the metal atom and a ratio of oxygen/carbon would increase by 0.03 to 1.0 atomic % and 0.01 to 0.20, respectively, on the processed surfaces, upon running in a gaseous mixture of argon and hydrogen between a plurality of activated plasma discharge electrodes arranged in a double line under such condition that the running polyimide film is free from contact with the electrodes.

Abstract: A process for making pigmented PVDF-based powder coatings by coagulation and powder based coatings made by the process. The process involves blending a PVDF latex and a water reducible acrylic polymer and pigment dispersion, adding coagulant to precipitate solid PVDF and pigment associated by ionic interaction with acrylic polymer binder, separating solids and drying the precipitate. Also, methods for coating substrates with the powder coating and coated substrates.

Abstract: Methods of providing a paint line containing a latex polymeric binder are described. A range of paints can be formulated using sets of prepaints, at least one of which contains a latex polymeric binder. The paints may be applied as architectural coatings, industrial coatings, graphic arts coating, elastomeric coatings, and non-cementitious, aggregate finish coatings suitable for application on a wall directly or as a topcoat in exterior insulation finishing systems.

Abstract: In order to achieve, in the case of a plastics moulding, in particular a moulded part such as e.g. a kitchen sink, a washbasin or a work-top or similar, comprising a polymer phase formed from a curable reaction mass and,: embedded therein, a particulate filling material which contains a resin material filled with an inorganic filler, in addition to a good resistance to water whitening a high resistance to crack formation in the hot-cold cycle, it is proposed that the polymer phase contains up to 5 wt %, referred to the plastics moulding, of inorganic additive particles, that the particulate filling material is swellable in the curable reaction mass, that the filled resin material comprises a content of inorganic filler in the range from 50 to 80 wt % with an average particle size of approx. 5 to approx. 100 &mgr;m, and that the filling material has a particle size in the range from 60 to 8000 &mgr;m and is contained in the plastics moulding in a proportion of approx. 30 to approx. 75 wt %.

Abstract: The present invention provides a method for coloring a rubber substrate with a latex-based colorant comprising the steps of providing a latex-based colorant that includes an elastomeric latex-based binder and a pigment system and mixing the latex-based colorant with the rubber substrate. Optionally, the latex-based colorant further comprises a surfactant system, a thickener, a defoamer, and an antioxidant. The present invention further provides a colored rubber and a latex-based colorant for coloring rubber.

Abstract: A water based white color tone pigment ink for a ballpoint pen comprising titanium oxide having an oil absorption of 25 (g/100 g) or less and an average particle diameter of 400 nm or less, a water soluble resin, a thickener, water and a polar solvent, which can provide drawn lines to be excellent in developing colors such as a white color and a poster color regardless of a color tone of writing paper and which can cover or correct drawn lines printed by means of a writing instrument, a type writer and a copying machine.

Abstract: A tinting composition for tinting a surface which includes a solvent and a pigment selected from the group consisting of titanium dioxide, mica, and mixtures thereof.

Abstract: The present invention is to provide a metal oxide organopolysiloxane hybrid powder, wherein a silicon atom of organopolysiloxane is bonded by covalent bond with a metal atom through an oxygen atom and complicated homogeneously. Titanium and/or zirconium is desirably used as the above mentioned metal atom. Especially, a porous titanium oxide organopolysiloxane hybrid powder whose specific surface area is larger than 50 m2/g is desirably used. Said hybrid powder can be produced by generating sol by hydrolysis of metal alkoxide, adding reactive organopolysiloxane to said sol to generate hybrid sol solution, then precipitating it. The method to produce titanium oxide.silica composite by the heat treatment of porous titanium oxide.organopolysiloxane hybrid powder can be also mentioned. By making hybrid, the optical properties of metal oxide powder can be controlled and dispersing ability, dispersing stability, water repellency and hard feeling can be improved.

Abstract: A coating liquid for an electrophotographic photoconductor intermediate layer comprising a titanium oxide and a polycarboxylic acid polymer in a solvent is provided. The content of the polycarboxylic acid polymer is 0.3 to 10 parts by weight in respect to 100 parts by weight of the titanium oxide, and an acid value of the polycarboxylic acid polymer is 30 to 400 mgKOH/g.

Abstract: Poly(biphenyl ether sulfone) resins are improved in resistance to UV yellowing when blended with up to 50 wt % polyetherimide. Flame retardant blends of poly(biphenyl ether sulfone) and polyetherimide are particularly useful in fabricating appearance parts for aircraft interiors.

Abstract: Described is a multi-layer film comprising, (a) at least one first layer of polyamide; (b) at least one second layer of polyethylene or an ethylene-copolymerizate containing fine-particulate titanium dioxide, a majority of the titanium dioxide particles having a diameter of between 5 and 30 nm; (c) optionally at least one EVOH-containing third layer; and (d) optionally at least one bonding layer. The multi-layer film has a value of from 5 to 200, as determined from the summation of the product of the following equation (I) for all second layers of the multi-layer film, (A×B)  Equation (I) Equation (I) is calculated for each second layer, A is the thickness of the second layer in micrometers, and B is the weight percent of titanium dioxide present in the second layer, based on the total weight of the second layer. Also described is the use of the film according to the present invention as a packaging material for foodstuffs.

Abstract: The present invention provides a stable, labeling paint suitable for use on an OSB finishing line in conjunction with metal stencils, and a method for making the labeling paint.

Abstract: The present invention relates to an improved titanium dioxide pigment that incorporate a dense silica coating and its process for manufacture. The pigment is preferably produced from a titania base from the chloride process in which the manufacturing process comprises the following steps in the order stated: (a) partial or substantial removal of salt from the oxidizer discharge; (b) addition of a dispersant; (c) milling to produce a highly dispersed, highly deagglomerated slurry, followed by dense silica surface treatment. Pigments prepared using the inventive process exhibit optics equivalent to high gloss, high opacity pigments and maintain the durability of the more conventional dense silica treated pigments.

Abstract: In a friction material including a fibrous reinforcement, a friction modifier and a binder, no whisker-like potassium titanate fiber is contained, but powdery or flaky potassium titanate with an aspect ratio of not higher than 3 is mixed as a friction component. The diameter of the powdery or flaky potassium titanate is preferably in a range of from 0.05 &mgr;m to 150 &mgr;m. In addition, the powdery or flaky potassium titanate is preferably subjected to surface treatment with a silane coupling agent, phenolic resin, or the like. Further, fibrous potassium titanate may be mixed at a volume ratio of not higher than 30% with respect to the powdery or flaky potassium titanate. The fibrous potassium titanate is a by-product when the powdery or flaky potassium titanate is produced and which has a length of not longer than 5 &mgr;m or a diameter of not smaller than 3 &mgr;m.

Abstract: Film-forming compositions which are substantially free of organic solvent and capable of forming a generally continuous film at ambient temperature are provided. The film-forming composition includes at least one thermosettable aqueous dispersion of polymeric microparticles having functionality adapted to react with a crosslinking agent. The polymeric microparticles are prepared by mixing under high shear conditions (1) at least one hydrophobic polymer having reactive functional groups; and (2) at least one hydrophobic crosslinking agent containing functional groups which are reactive with the functional groups of the polymer. Further provided is a multi-component composite coating composition which includes a pigmented base coat and a transparent topcoat of the substantially organic solvent-free film-forming composition described above. Substrates coated with the same are also provided. Additionally, a method for preparing the aqueous dispersion of polymeric microparticles is provided.

Abstract: The present invention is directed to a polyester carboxylate polymeric pigment dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The polymeric pigment dispersant is the reaction product of pentaerythritol, hexahydrophthalic anhydride, glycidylneodecanoate, and dimethylethanolamine. The present invention is also directed to a method of preparing the polymeric pigment dispersant. In this method, the pentaerythritol and the hexahydrophthalic anhydride are polymerized to form an intermediate compound. Next, an epoxy group of the glycidylneodecanoate reacts with the intermediate compound, and then the dimethylethanolamine neutralizes the intermediate compound to form the completed polymeric pigment dispersant. The polymeric pigment dispersant is utilized for efficient wetting and grinding of the pigment.