Abstract: The mechanical properties of a polymer protective coating formed from an aqueous dispersion of a polymer having a low glass transition temperature are significantly improved by including in the dispersion solvent softened polymer nanoparticles made from a polymer having a high glass transition temperature.

Abstract: Flexible members for use in imaging devices comprise a polyamic acid and an internal release agent; and optionally, a polysiloxane surfactant.

Abstract: A method for preparing a primer composition adapted to form a polysiloxane hard film on a cured primer layer of the composition comprising processes [1] or [2]: the process [1] comprising the steps of (I) preparing a primer precursor containing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof and silica fine particles dispersed in an organic solvent; (II) adding water to the primer precursor obtained in (I) for hydrolysis; and (III) adding a dehydrating agent to the composition containing the hydrolyzate obtained in (II) to remove moisture from the composition; or the process [2] comprising (IV) hydrolyzing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof by addition of water thereto; (V) adding silica fine particles dispersed in an organic solvent to the resulting hydrolyzate obtained in (IV); and (VI) adding a dehydrating agent to the composition obtained in (V) to remove moistur

Abstract: A colloidal pigment dispersion composition comprising: water; dispersed pigment particles; a first polymer dispersant comprising units derived from an acrylate or methacrylate monomer having an alkyl group with 12 or more carbons and units derived from an ethylenicaly unsaturated monomer comprising a carboxylic acid substituent; and a second polymer dispersant comprising units derived from a monomer comprising an aromatic group containing substituent and units derived from an ethylenicaly unsaturated monomer comprising a carboxylic acid substituent, wherein the second polymer dispersant does not comprise units derived from an acrylate or methacrylate monomer having an alkyl group of 12 or more carbons, and wherein the second polymer dispersant has an acid number less than 270.

Abstract: The invention relates to curable, storage-stable silicon-containing compositions reinforced with functionalized silica useful as one and two-part sealant and adhesive systems. The cured compositions provide silicon-containing rubber having excellent translucency, physical properties and primerless adhesion.

Abstract: The invention relates to a hot melt dispensable polymeric composite and process for making and using the composite. Particulates of adequate particle size are mixed with a polymer that exhibits low viscosities at temperatures typically provided by hot-melt glue guns to form rods that vary significantly in density from the base polymer. Novel articles can be manufactured by dispensing the composite from a glue gun into molds or by placement of the melt molding compound into preformed cavities within an end article.

Abstract: A resin composition including the following components (A) to (C): (A) polyarylene sulfide resin: 20 wt %<component (A)?60 wt %; (B) hexagonal boron nitride: 8 wt %?component (B)?55 wt %; and (C) flat glass fiber: 15 wt % ?component (C)?55 wt % wherein the amount ratio of each component is a weight percentage relative to the total amount of the components (A) to (C).

Abstract: Provided are an amorphous polyamide resin composition having high transparency, and is excellent in heat resistance and stiffness, and a molded product thereof. The glass filler contains, expressed in terms of oxides by mass %, 68 to 74% of silicon dioxide (SiO2), 2 to 5% of aluminum oxide (Al2O3), 2 to 5% of boron oxide (B2O3), 2 to 10% of calcium oxide (CaO), 0 to 5% of zinc oxide (ZnO), 0 to 5% of strontium oxide (SrO), 0 to 1% of barium oxide (BaO), 1 to 5% of magnesium oxide (MgO), 0 to 5% of lithium oxide (Li2O), 5 to 12% of sodium oxide (Na2O), and 0 to 10% of potassium oxide (K2O), where a total amount of lithium oxide (Li2O), sodium oxide (Na2O), and potassium oxide (K2O) is 8 to 12%.

Abstract: The present invention is directed to carbon nanotube (CNT)/polymer composites, i.e., nanocomposites, wherein the CNTs in such nanocomposites are highly dispersed in a polymer matrix, and wherein the nanocomposites comprise a compatibilizing surfactant that interacts with both the CNTs and the polymer matrix. The present invention is also directed to methods of making these nanocomposites. In some such methods, the compatibilizing surfactant provides initial CNT dispersion and subsequent mixing with a polymer. The present invention is also directed to methods of using these nanocomposites in a variety of applications.

Abstract: Improved mechanical properties of either clay or carbon nanotube (CNT)-reinforced polymer matrix nanocomposites are obtained by pre-treating nanoparticles and polymer pellets prior to a melt compounding process. The clay or CNTs are coated onto the surfaces of the polymer pellets by a milling process. The introduction of moisture into the mixture of the nanoparticles and the polymer pellets results in the nanoparticles more easily, firmly, and thoroughly coating onto the surfaces of the polymer pellets.

Abstract: It is disclosed a method for preparing a nano hybrid resin containing carbon nano materials as graphitizing agents with predetermined characteristics by formation of graphite phase in residual carbon.

Abstract: Adhesive and sealant systems Adhesive and sealant systems on the basis of unsaturated polyester resins, epoxy resins, polyurethane, silane-terminated polymers, vinyl ester resins, acrylates, polyvinyl acetate, polyvinyl alcohol, polyvinyl ethers, ethylene-vinyl acetate, ethylene-acrylic acid copolymers, polyvinyl acetates, polystyrene, polyvinyl chloride, styrene-butadiene rubber, chloroprene rubber, nitrile rubber, butyl rubber, polysulphide, polyethylene, polypropylene, fluorinated hydrocarbons, polyamides, saturated polyesters and copolyesters, phenol-formaldehyde resins, cresol-/resorcinol-formaldehyde resins, urea-formaldehyde resins, melamine-formaldehyde resins, polyimides, polybenzimidazoles or polysulphones and containing 1% to 15% by weight of a hydrophilic fumed silica structurally modified by grinding.

Abstract: A polymerizable ligand comprising, in one embodiment, a polyaromatic compound, with a terminal functional group, non-covalently bonded to the sidewalls of carbon nanotubes. This structure preserves the structural, mechanical, electrical, and electromechanical properties of the CNTs and ensures that an unhindered functional group is available to bond with an extended polymer matrix thereby resulting in an improved polymer-nanotube composite.

Abstract: A raw elastomeric composition includes: (a1) from 30 to 90% by weight of a partially hydrogenated vinylarene-conjugated diene random elastomeric copolymer; (a2) from 10 to 70% by weight of one or more diene rubbers; (b) from 10 to 150 phr of silica; (c) from 0.1 to 20 phr of a coupling agent based on silane; (d) from 0.1 to 10 phr of a vulcanization agent; wherein the partially hydrogenated vinylarene-conjugated diene random copolymer has a structure which has nodes statistically distributed in the macromolecule, from which polymeric chains branch out, the bond between the nodes and the branches being a carbon-carbon bond.

Abstract: A poly(ether-ketone) composite of the formula: wherein DND is detonation nanodiamond particle; wherein Ar represents ether-ketone repeating groups of the formula wherein Q is —O— or —O—(CH2)n—O—, wherein n has a value of 2-12; wherein R is —H, —CH3, or —C2H5, m has a value of 1 or 2; wherein R? is —H or —CH3; and wherein — denotes the presence of a direct C—C bond between Ar and DND. Also provided is a process for preparing the nanocomposites.

Abstract: A dip-forming composition, comprising: a carboxyl group-containing diene-based rubber latex; and one or more compounds selected from the following (a) to (e): (a) an organometallic crosslinking agent containing two or more hydroxyl groups each bonded to a metal atom; (b) a cationic property-deactivated modified polyamine-based resin, a cationic property-deactivated polyamide-epichlorohydrin resin, a cationic property-deactivated polyamine-epichlorohydrin resin, a cationic property-deactivated amine group- or quaternary ammonium base-containing polyvinyl alcohol, a cationic property-deactivated amine group- or quaternary ammonium base-containing polyacrylamide, a cationic property-deactivated amine group- or quaternary ammonium base-containing carbohydrate, or a polyacrylamide, polyvinyl alcohol, or carbohydrate into which a crosslinkable functional group is introduced; (c) an anionic or nonionic polyvinyl alcohol, anionic or nonionic polyacrylamide, or anionic or nonionic carbohydrate to which a water res

Abstract: The invention provides structurally modified, pyrogenically prepared silicas obtained by reaction of pyrogenic silicas with cyclic polysiloxanes of the type —[O—Si(R2)]n—, where R is a C1 to C6 alkyl group and n is 3 to 9, and subsequent structural modification of the silanized silicas obtained. The invention further provides an adhesive comprising the structurally modified, pyrogenically prepared silicas.

Abstract: Polyester nanocomposite compositions contain silica nanoparticles that have been subjected to surface treatment with novel trialkoxysilane compositions. The novel silane compositions are prepared by reacting a 3-isocyanatopropyl trialkoxysilane with 1,3-propanediol or certain polyether diols. The silica nanoparticles exhibit improved dispersion in the polyester. This leads to haze reduction and improvements in mechanical properties.

Abstract: Aqueous strippable paint comprising one or more pigments, a polyether polyurethane binder having anionic stabilizing groups, and a second polyether having at least 20 wt. % of lipophilic parts. The first polyether has an acid number of at least 8, preferably at least 12, and the second polyether has 30-70 wt % of lipophilic parts. The mixing ratio of the first and second polyethers is at least 20:1. The second polyether comprises a lipophilic polyester and/or polyurethane backbone. The polyether polyurethane binder has a Tg of less than ?42° C.

Abstract: A polyamide resin comprising a dicarboxylic acid constitutional unit comprising an adipic acid unit and a diamine constitutional unit comprising a pentamethylenediamine unit and a hexamethylenediamine unit wherein a weight ratio of the pentamethylenediamine unit to the hexamethylenediamine unit being in the range of 95:5 to 60:40; a vibration-welded molded product having an excellent vibration welding strength, a hinged molded product and a binding band having an excellent low-temperature toughness, and a filament having an excellent transparency which are obtained from the polyamide resin; and a hinged molded product comprising a polyamide resin constituted of an adipic acid unit and a pentamethylenediamine unit.