Abstract: The present invention provides a method for producing a cleaning blade for use in an image-forming apparatus. The method includes the steps of roughly kneading a rubber component containing rubber derived from acrylonitrile butadiene copolymer therein by supplying the rubber derived from acrylonitrile butadiene copolymer to a rubber-kneading apparatus; kneading the rubber component, a filler essentially containing carbon black and zinc oxide therein, and a crosslinking agent containing sulfur therein by simultaneously supplying the filler and the crosslinking agent to the rubber-kneading apparatus; and press-vulcanizing a mixture consisting of a thermosetting elastomer composition obtained at the roughly kneading step to generate zinc sulfide and mold the thermosetting elastomer composition.

Abstract: The present invention relates to plenum cables jacketed with a composition comprising perfluoropolymer, inorganic char-forming agent, and hydrocarbon polymer, which passes the NFPA-255 burn test.

Abstract: A heat dissipation material comprises (1) fluorine-containing crystalline polymer having a melting point higher than 150° C., with a weight percentage of around 15-40%; (2) heat conductive fillers dispersed in the fluorine-containing crystalline polymer with a weight percentage of around 60-85%; and (3) coupling agent of 0.5-3% of the heat conductive fillers by weight and having a chemical formula of: where R1, R2 and R3 are alkyl group CaH2a+1, a?1; X and Y are selected from hydrogen, fluorine, chorine, and alkyl group; and n is a positive integer.

Abstract: An aqueous polymer dispersion contains zinc compound-modified polymer. The zinc compound-modified polymer is produced by the incorporation of zinc compound into the acrylic-modified alkyd by mixing at the temperatures of higher than 50° C. The resulting polymer is then dispersed in water by salt formation with a base. The aqueous dispersion of the present invention offers improved coating properties of early water-spot resistance, hardness, ink stain blocking and scrub resistance while demonstrating the viscosity stability.

Abstract: The present invention relates generally to the fields of chemistry and molecular biology. More particularly, the present invention relates to thermally-conductive compositions and reaction tubes for chemical- and biochemical-based analytical processing. Compositions and reaction tubes in accordance with the invention comprise at least one plastic and at least one compound having a higher thermal conductivity than the at least one plastic to result in compositions and tubes having increased thermal conductivity when compared to the at least one plastic alone. Such compositions and tubes are capable of facilitating rapid heat transfer in numerous heat transfer applications. The thermally-conductive compositions and reaction tubes are especially suitable for containing reaction constituents during thermal cycling of the polymerase chain reaction (PCR).

Abstract: Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, or natural rubber and polybutene processing oil. The colorable rubber compositions have sufficient properties to function as a reinforcing member in a shoe sole or automobile tire. Preferably, both the transparent and colorable elastomeric compositions include at least one copolymer of a C4 to C7 isoolefin and a p-methylstyrene, silica and a high cis-polybutadiene rubber.

Abstract: A marking composition comprises an inorganic pigment having an average diameter of o.1 to 5 ?m and a titanium-containing ceramic resin. The composition exhibits excellent concealing properties and heat resistance and produces a high definition marking with high contrast and excellent discrimination capability when applied to the surface of an article.

Abstract: Coating materials curable thermally, or thermally and with actinic radiation, comprising (A) binder selected from the group consisting of random, alternating and block, linear, branched and comb polyaddition resins, polycondensation resins, and addition (co)polymers of olefinically unsaturated monomers, curable physically, thermally, with actinic radiation, and thermally and with actinic radiation; and (B) nanoparticles selected from the group consisting of nanoparticles modified with at least one compound of the general formula I: [(S—)o-L-]n-M-(—X—R)m?n , ??(I) ?where the indices and the variables have the following meanings: S is a reactive functional group having at least one bond which can be activated with actinic radiation; L is at least one divalent organic linking group; X independently at each occurrence is an oxygen atom, sulfur atom or>NR1, where R1=hydrogen atom or alkyl group having from 1 to 4 carbon atoms; M is a metal atom; R is a monovalent organic radical; o is an integer from 1 to

Abstract: The present invention provides a dispersion, which contains nano-sized zinc oxide particles, a coating preparation containing the dispersion, a process for the production of the dispersion, and a coating preparation containing the dispersion, and a use of the coating preparation.

Abstract: An aqueous polymeric coating composition having a polymer for forming a polymer matrix having carboxylate functionality and nano-scale zinc oxide particles dispersed in the polymer. The particles provide the polymer with at least partial crosslinking and alcohol resistance when incorporated into the polymer matrix upon curing. A polymeric material formed from the aqueous composition and a coated article are also disclosed.

Abstract: Compounds having the formulas below. Each R1 is an aromatic-containing group. Each R2 is methyl, phenyl, alkyl, perfluoroalkyl, and trifluoromethyl. M is an alkali metal, and n is a positive integer. A thermoset made by curing a mixture comprising a curing agent and the below phthalonitrile monomer. A method of: reacting a bis(fluorophenyl)phenylphosphine oxide with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the oligomer below.

Abstract: Methods are disclosed comprising: (a) mixing (i) an aqueous solution of at least one salt of at least one metal selected from the group consisting of aluminum, magnesium, cerium, iron, manganese, cobalt, nickel, titanium, zinc, zirconium and mixtures thereof with (ii) an aqueous solution of at least one polymer, at a pH value of 3 to 13 and at a temperature T1 of 0 to 50° C. to form a mixture; and (b) heating the mixture at a temperature T2 of 60 to 300° C. to form an aqueous suspension of surface-modified nanoparticulate particles comprising at least one compound selected from the group consisting of oxides, hydroxides, and oxide hydroxides of the at least one metal; along with powders prepared therefrom and uses therefore.

Abstract: A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the pendant groups on the polymer. After ion exchange the polymer is exposed to a reducing agent forming metal oxides trapped within the polymer structure.

Abstract: The invention relates to a translucent, white, light-diffusing thermoplastic composition containing both white pigment and refractive index-matched particles. The blend of pigment and particles provides a synergistic effect, resulting in a very high luminous transmission and good diffusion properties.

Abstract: Electrical insulation system, which optionally contains a filler material and/or further additives, wherein said electrical insulation system comprises poly(dicyclopentadiene) as the main component, and method of making said electrical insulation system.

Abstract: An adhesive composition and tapes utilizing the adhesive compositions are disclosed. A tape utilizing the adhesive composition of the present invention is particularly suitable for use in closure systems associated with air ducts and air connectors. A composition particularly suitable for use as an antioxidant in adhesive compositions is disclosed.

Abstract: The present invention relates to a substrate having one or more antimicrobial or antistatic properties. Such properties are imparted by applying a coating or film formed from a cationically-charged polymer composition. The polymer composition includes a noncationic ethylenically unsaturated monomer and an ethylenically unsaturated monomer capable of providing a cationic charge to the polymer composition. Optionally, the polymer composition includes a steric stabilization component incorporated into the cationically-charged polymer composition. The present invention also relates to a personal care product and polymeric material comprising a base polymer blended with the above cationically-charged polymer composition.

Abstract: The present disclosure is directed generally to polyester fiber reinforced polypropylene resin pellets and methods for producing therein. The polyester fiber reinforced polypropylene resin pellets include at least 25 wt % polypropylene based polymer; from 10 to 40 wt % polyester fiber; from 0 to 60 wt % inorganic filler; and from 0 to 0.2 wt % lubricant. The polyester fiber is incorporated into the resin pellets by feeding chopped fiber or continuous fiber unwound from one or more spools. Articles molded from the polyester fiber reinforced polypropylene resin pellets exhibit a drop dart impact resistance that is dependent on the pellet length and whether the PET fiber is incorporated as chopped fiber or continuous fiber during the extrusion compounding process. Articles molded from the polyester fiber reinforced polypropylene resin pellets find application as automotive parts, household appliance parts, or boat hulls.

Abstract: Provided is a heat conductive silicone grease composition, including: an organopolysiloxane containing 2 or more alkenyl groups bonded to silicon atoms within each molecule, an organopolysiloxane with a specific structure and with a kinematic viscosity at 25° C. of 10 to 10,000 mm2/s, an alkoxysilane containing specific substituent groups, an organohydrogenpolysiloxane containing 2 or more SiH groups within each molecule, a heat conductive filler, a platinum-based catalyst, and an addition reaction retarder. The heat conductive silicone grease composition exhibits high thermal conductivity, has excellent fluidity prior to curing and therefore exhibits favorable workability, is capable of filling fine indentations and therefore reduces contact resistance, and is also able to prevent oil separation and bleeding of the heat conductive material following curing, meaning the composition exhibits excellent heat radiation performance and reliability.

Abstract: Treating metal or metal oxides such as ZnO with PIBSA and analogous molecules yields a hydrophobic powder. The powder can provide improved optical clarity when incorporated into a polymer matrix in comparison to untreated hydrophilic ZnO.

Abstract: Polymeric compositions and methods of making same having improved coefficient of friction and blocking properties. The polymeric compositions include a linear low density polyethylene with additives such as a fluoroelastomer and an acid scavenger. The polymeric compositions may further comprise other additives such as antiblock agents, slip agents, stabilization additives, or combinations thereof. The methods include adding additives such as a fluoroelastomer and an acid scavenger to a polymer resin and forming end use articles such as film from the polymeric compositions.

Abstract: An electrical insulation system and method are disclosed which are based on poly(butylene terephthalate), wherein the poly(butylene terephthalate) contains a polymerized cyclic low molecular weight oligomeric poly(butylene terephthalate) resin. At least one filler material or a mixture of filler materials can be included. At least one hydrophobic compound or a mixture of hydrophobic compounds can also be included.

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: 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: An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or C1-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

Abstract: The disclosure relates to zinc oxide (ZnO) nanoparticle dispersions and to such dispersions having a defined color, and films obtained from such dispersions. The zinc oxide dispersions can be used as a UV-absorber, for catalytic applications, electronic applications, production of antifungal or antibacterial materials, sensors, actuators, photovoltaic devices, conductive coatings, among other applications.

Abstract: The present invention provides a modified polymer, which is obtained by reacting, with an active metal bonded to a polymer, a modifier represented by the general formula (I) (where X1 to X5 each represent a hydrogen atom or a specific monovalent functional group, and at least one of those is other than a hydrogen atom, R1 to R5 each represent a single bond or a divalent hydrocarbon group having 1 to 18 carbon atoms, and a plurality of aziridine rings may be bonded through any of X1 to X5 and R1 to R5).

Abstract: The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising elemental sulfur, a sulfur-containing derivative, a sulfur activator, a fatty acid or fatty acid derivative and a polymeric carrier. Compositions according to the invention are particularly useful in preparing polymer-modified asphalt (“PMA”) for road applications.

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: The invention provides a golf ball material which includes, in mixture: (A) a metal-containing chelating agent (A1) or a mixture (A2) composed of a metal-containing chelating agent and an oxygen-containing inorganic metal compound; (B) one or more polymers selected from the group consisting of diene polymers, thermoplastic polymers and thermoset polymers; and (C) one or more acid-containing polymers having an acid content of from 0.5 to 30 wt % and selected from the group consisting of olefin-unsaturated carboxylic acid copolymers, olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester terpolymers, unsaturated carboxylic acid anhydride-containing polymers, unsaturated dicarboxylic acid-containing polymers and unsaturated dicarboxylic acid half ester-containing polymers. The invention also provides a method for preparing such a golf ball material, and a golf ball made with the material.

Abstract: This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Abstract: A composition includes a baleable polymer resulting from the polymerization of at least one conjugated diene in the presence of an anionic initiator. The baleable polymer has carboxylate termination resulting from the addition of carbon dioxide to terminate the polymerization reaction. The polymer has Mooney ML1+4 viscosity of >35 and a solution viscosity of X, where X is >75 cP. The addition of an lonolizer to a composition that includes the polymer reduces the solution viscosity of the polymer from X to Y where Y meets the following formula: 0.4X?Y?0.58X. The baleable polymer is blended with impact-modified plastics resulting in improved izod values and optical qualities. Processes for making and utilizing the polymer composition, and ionolizer are also described.

Abstract: Sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These silanes can be carried on organic and inorganic fillers. The invention also relates to tire compositions and articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Abstract: (EN) The invention concerns a method for producing a thermoplastic molding material or element, said material or element containing nanometric inorganic particles. In molten state, the thermoplastic is mixed with the nanometric inorganic particles and with a solubilizing agent in a conveyor screw extruder, the pressures and temperatures being adjusted so that the plastic is in melt form and the solubilizing agent in supercritical state. The invention is characterized in that at the output of the extruder, the mixture passes through a slot with a passage less than 20 $g(m)m to penetrate into an expansion zone and the molten material, wherein are incorporated the nanometric inorganic particles, is evacuated, reduced into molding material after cooling or transferred into a molding tool to be molded. The invention also concerns the molding material and the molding elements obtained by this method, as well as the uses thereof.

Abstract: This invention relates to novel free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and to a rubber containing the filler composition.

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: The present disclosure relates a method of making a dispersion. Microparticles, nanoparticles and a fluid polymer component are mixed to form a dispersion. A sufficient amount of nanoparticles provides for an increase in material throughput relative to a comparable dispersion that is free of nanoparticles.

Abstract: A resin composition comprising a polyamide, a polyphenylene ether, an elastomer, and an inorganic filler having a mean particle diameter of 0.05 to 1 ?m, characterized in that the polyamide is a polyamide mixture of two or more polyamides each having a different relative viscosity, the polyamide mixture has a larger content of the polyamide having a higher relative viscosity than that of the polyamide having a lower relative viscosity, and the polyamide mixture has a relative viscosity of 3.3 to 5.0.

Abstract: The invention provides a dispersant for an aqueous dispersion of positively charged or chargeable solid particulates which comprises a compound having an anchoring moiety linked to a polymeric hydrophilic moiety, the anchoring moiety containing at least one acid and/or hydroxy group and having an overall acidity or neutrality and the polymeric moiety having a lower affinity for the particulate surface than the anchoring moiety. The anchoring moiety preferably contains at least two acid groups, preferably carboxylic acid groups, attached either in a [1,1], [1,2] or [1,3] relationship and is linked to the polymeric moiety, which is preferably derived from acrylamide or methacrylamide monomer units, preferably by a sulfur atom. The dispersant can reduce the viscosity of an aqueous dispersion of positively charged or chargeable solid particulates and can reduce the tendency of the resulting dispersion to form a gel or a yield stress material.

Abstract: Surface-modified, doped, pyrogenically produced oxides surface-modified with one or several compounds from the following groups: a) Organosilanes of the type (RO)3Si(CnH2n+1), (RO)3Si(CnH2n?1) b) R?x(RO)ySi(CnH2n+1), (RO)3Si(CnH2n+1) c) X3Si(CnH2n+1), X3Si(CnH2n?1) d) X2(R?)Si(CnH2n+1), X2(R?)Si(CnH2n?1) e) X(R?)2Si(CnH2n+1), X(R?)2Si(CnH2n?1) f) (RO)3Si(CH2)m—R?, g) (R?)x(RO)ySi(CH2)m—R?, h) X3Si(CH2)m—R?, i) (R)X2Si(CH2)m—R?, j) (R)2XSi(CH2)m—R?, k) Silazanes of the type l) Cyclic polysiloxanes, m) Polysiloxanes or silicone oils.

Abstract: The present invention is a heat radiating silicone composition containing (A) a perfluoroalkyl group-containing silicone oil expressed by the following formula (1), (B) a silicone oil, and (C) a heat radiating filler: where R1 is a C1 to C12 saturated hydrocarbon group, R2 is a hydrogen or a C1 to C12 saturated or unsaturated hydrocarbon group, R3 is an aryl group, Rf is a C1 to C12 perfluoroalkyl group, R4 is a group selected from among R1, R2, R3, Rf and OH, l and m are values of 1 or more on the average, and l+m+n is a number of 2 or more.

Abstract: This invention pertains to highly filled polymer compositions comprising a low molecular weight ethylene and/or alpha olefin homopolymers and copolymers, or blends therefrom, filled with high concentrations of fillers or additives. Examples of such fillers or additives include fire retardants, talc, ceramic manufacturing agents, color concentrates, crosslinking agents, and blowing agents. Because of the low crystallinity (and therefore high percentage of amorphous phase) and low viscosities of the base polymers, highly processable compositions can be formed containing even if containing relatively high loadings of fillers or additives. Such highly filled compositions are thus ideally suited as concentrates or masterbatch formulations for a variety of different compounding applications.

Abstract: The invention relates to a powdery pigment preparation containing a pigment which is dispersed in an acrylate resin and which is characterized in that the acrylate resin has an average molecular mass Mw ranging from 40000 to 80000 g/mol and is a copolymer comprised of 50 to 65 mol % ethyl methacrylate, of 30 to 45 mol % butyl methacrylate, and of 0.5 to 5 mol % methacrylic acid. The powdery pigment preparation can be used for dyeing films, particularly those made of polymethyl methacrylate. The films do not have any specks nor holes.

Abstract: The present invention relates to a polycarbonate resin composition that comprises (A) about 50 to about 95 parts by weight of a polycarbonate resin, (B) about 5 to about 50 parts by weight of a poly(meth)acrylic acid alkyl ester resin, (C) about 1 to about 30 parts by weight of a titanium dioxide, (D) about 1 to about 50 parts by weight of a vinyl graft copolymer prepared by graft-polymerizing (d1) about 5 to about 95 parts by weight of a monomer mixture comprising (d11) about 50 to about 95 parts by weight of styrene, ?-methylstyrene, halogen- or C1-C8 alkyl-substituted styrene, C1-C8 methacrylic acid alkyl ester, C1-C8 acrylic acid alkyl ester or a mixture thereof and (d12) about 5 to about 50 parts by weight of acrylonitrile, methacrylonitrile, C1-C8 methacrylic acid alkyl ester, C1-C8 acrylic acid alkyl ester, maleic anhydride, C1-C4 alkyl- or phenyl N-substituted maleimide or a mixture thereof onto (d2) about 5 to about 95 parts by weight of a rubber polymer selected from the group consisting of acryl ru

Abstract: A method of forming nanocomposites within a polymer structure includes exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the pendant groups on the polymer. After ion exchange, the polymer is repetitively exposed to an oxidizing and/or reducing agent to form metal oxides, metal particles, metallic alloys, or combinations and mixtures thereof, trapped within the polymer structure.

Abstract: An antistatic agent useful for mixing with thermoplastic polymers is disclosed which comprises a reaction product of an inorganic pigment, more typically TiO2; optionally at least one silane; and a siloxane compound.

Abstract: Pyrogenically prepared zinc oxide powder having a BET surface area of from 10 to 200 m2/g, which is in the form of aggregates, the aggregates being composed of particles having different morphologies, and 0-10% of the aggregates being in a circular form, 30-50% being in an ellipsoidal form, 30-50% being in a linear form and 20-30% being in a branched form. It is prepared by reacting a starting mixture containing zinc vapour, a combustible gas and steam or a mixture of steam and carbon dioxide in a flame with an oxygen-containing gas in an oxidation zone, cooling the hot reaction mixture in a quenching zone and separating the solid material from the gas stream, the amount of oxygen in the oxidation zone being greater than the amount necessary for the complete oxidation of the combustible gas and the zinc vapour. The zinc oxide powder can be used as a constituent of sun protection compositions for protection against UV radiation.

Abstract: The present invention provides a thermoplastic resin composition having a high specific gravity, flexibility and excellent processability that can be used as a material for forming various articles requiring both massiveness and flexibility. This thermoplastic resin composition contains 2.5 to 15 wt % of a styrene-based thermoplastic elastomer and 85 to 97.5 wt % of tungsten powder, and an molded article is obtained by melting and kneading this thermoplastic resin composition. This article can be used preferably as a balance weight attached to a wheel of an automobile, sports goods or the like.

Abstract: A flame-retardant molding composition that includes an epoxy resin, melamine cyanurate, and one or more hydrated metal salts capable of liberating water when heated. The hydrated metal salt may include one or more compounds selected from metal borate salts, Group IIB oxides, and polyhydroxides of one or more elements selected from Group IIA elements and Group IIIB elements. The molding composition may be used to coat an electrical or electronic device by heating the molding composition to a temperature sufficient to cure the molding composition and form a polymer on the surface of the device. Electrical and electronic devices formed by the method are also disclosed.

Abstract: A process for producing a cement for adjusting a rubber product comprising 100 parts by weight of a rubber component and 10 to 500 parts by weight of an inorganic filler. In the first mixing step, the rubber component and components for compounding are mixed while the amount of the inorganic filler is kept in the range of 0 to 20 parts by weight per 100 parts by weight of the rubber component. In the second mixing step, (1) the remaining amount of the inorganic filler is mixed using a closed mixing machine, or (2) a master batch of the inorganic filler and the rubber component is mixed in a solution. Since an inorganic filler having a great specific gravity can be mixed in a great amount, a cement containing a solid component having a great specific gravity and providing a coating film exhibiting improved resistance to heat degradation can be produced efficiently.