Abstract: Provided is a polyamide resin composition capable of yielding highly abrasion-resistant molded article, while keeping high mechanical strength, and, a molded article using the polyamide resin composition. The polyamide resin composition contains (A) polyamide resin, (B) polyolefin wax, and (C) at least one metal salt selected from alkali metal salt and alkali earth metal salt, and the (A) polyamide resin contains (a-1) semiaromatic polyamide resin.

Abstract: A poly(oxyalkylene) polymer having a weight average molecular weight of at least 50,000 grams per mole and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive. In some embodiments, the polymer processing additive further includes a poly(oxyalkylene) polymer having a weight average molecular weight of up to 20,000 grams per mole Polymer processing additive compositions and thermoplastic, for example, polyolefin, compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.

Abstract: A block copolymer for use as a dispersant for mineral binder compositions, containing an alkali activating agent. The block copolymer includes at least one first block A and at least one second block B, the first block A containing a monomeric unit M1 and the second block B containing a monomeric unit M2. A proportion of monomeric units M2, if any, in the first block A is less than 25 mol %, in particular less than or equal to 10 mol %, relative to all the monomeric units M1 in the first block A, and a proportion of monomeric units M1, if any, in the second block B is less than 25 mol %, in particular less than or equal to 10 mol %, relative to all the monomeric units M2 in the second block B.

Abstract: The present invention relates to a thermoplastic resin composition having excellent thermal stability and birefringence properties and to a molded article formed therefrom. In one embodiment, the thermoplastic resin composition includes: 100 parts by weight of a polycarbonate resin including a repeating unit represented by formula 1; about 0.2 parts by weight to about 15 parts by weight of an epoxy resin represented by formula 2; and about 1 part by weight to about 15 parts by weight of a phosphate-based compound, wherein formula 1 and formula 2 are as defined in the detailed description.

Abstract: Provided is a polycarbonate-based resin composition, including: 10 to 90 mass % of a polycarbonate-polyorganosiloxane copolymer (E-1); and 10 to 90 mass % of an aromatic polycarbonate resin (E-2) except the polycarbonate-polyorganosiloxane copolymer (E-1), in which the molecular weight distribution of the polyorganosiloxane block of the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.

Abstract: Provided is a polycarbonate-based resin composition containing a polycarbonate-based resin containing a polycarbonate-polyorganosiloxane copolymer, and 0.01 to 1.0 part by mass of a UV absorber with respect to 100 parts by mass of the polycarbonate-based resin, in which the molecular weight distribution of a polyorganosiloxane block in the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.

Abstract: Provided is a polycarbonate-based resin composition, including 0.

Abstract: A long-acting super-hydrophobic coating resistant to water pressure impact and preparation method thereof. The long-acting super-hydrophobic coating includes a conductive substrate and the following raw materials in parts by weight: 1 part to 10 parts of titanium source or zinc source, 40 parts to 100 parts of deionized water, 20 parts to 50 parts of hydrochloric acid or 20 parts to 40 parts of sodium hydroxide, 1 part to 10 parts of electrolyte, 1 part to 10 parts of low surface energy modifier, 10 parts to 20 parts of high molecular polymer, 1 part to 5 parts of carbon nanotube and 70 parts to 100 parts of organic solvent. The long-acting super-hydrophobic coating has an organic-inorganic nano-interpenetrating network structure, which improves the stability of the multi-stage nano-micro structure, so that the super-hydrophobic coating surface has a good high-pressure water impact resistance and high-pressure static water resistance.

Abstract: Copolymers that comprise salicylic acid derivative structural units and structural units having free polyether side chains. The copolymers are suitable to plasticize inorganic binder systems, construction chemical compositions comprising the copolymers and the use of the copolymers as a plasticizer for inorganic binder systems. Binder systems with a reduced amount of Portland cement comprising at least one copolymer of the invention provide a better liquefaction and processability as compared to the binder systems without a copolymer of the invention.

Abstract: A reduced vibration structure comprises honeycomb and a vibration damping coating on at least a portion of the internal surface of at least a portion of the cells of the honeycomb. The vibration damping coating is formed by curing a coating composition comprising acrylic polymer or copolymer emulsion and a vibration damping filler. The structure can include an adhesive coupled to both the upper surface and the lower surface of the honeycomb and two pieces of sheathing coupled to the adhesive, one on the upper surface and one on the lower surface of the honeycomb.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound as a fluorescent host and a third compound as a fluorescent dopant, and the electron transport region includes a fourth compound and a fifth compound including, as a ring-forming moiety, a nitrogen-containing heterocyclic group including *?N—*?, wherein the first compound, the fourth compound, and at least one selected from the second compound and the third compound each independently include at least one group selected from groups represented by Formulae A to D:

Abstract: The present invention relates to a process for producing a thermoplastic polyurethane, comprising the provision of a composition Z(W) comprising at least one carbodiimide selected from the group consisting of monomeric aliphatic carbodiimides, oligomeric aliphatic carbodiimides, polymeric aliphatic carbodiimides, monomeric aromatic carbodiimides, oligomeric aromatic carbodiimides and polymeric aromatic carbodiimides, and at least one ester selected from the group consisting of citric acid esters, acetyl citric acid esters, phthalic acid esters, benzoic acid esters, adipic acid esters, hydrogenated phthalic acid esters and phosphoric acid esters; and the subsequent addition of the composition Z(W) to a thermoplastic polyurethane or a reaction mixture for producing a thermoplastic polyurethane. Further, the present invention relates to a thermoplastic polyurethane obtainable or obtained by a process according to the invention and to the use of the composition Z(W) as plasticizer for thermoplastic polyurethanes.

Abstract: This thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polycarbonate resin; approximately 1 to approximately 20 parts by weight of a rubber-modified vinyl-based copolymer resin; approximately 10 to approximately 30 parts by weight of a phosphorous-based flame retardant agent; approximately 3 to approximately 12 parts by weight of calcium carbonate; approximately 10 to approximately 40 parts by weight of talc; approximately 5 to approximately 11 parts by weight of wollastonite; and approximately 0.01 to approximately 5 parts by weight of a black pigment. The weight ratio of the calcium carbonate to the talc is approximately 1:1.5 to approximately 1:3.5, and the weight ratio of the talc to the wollastonite is approximately 1:0.3 to approximately 1:0.7.

Abstract: The invention provides an associative polymer, a powder, and a process for making a powder comprising, networking one or more associative polymer(s) and one or more optional surfactant(s) to form a wet gel, and forming a powder from the wet gel, wherein the associative polymer(s) have a weight average molecular weight of from about 10 kDa to about 2,000 kDa.

Abstract: A hexagonal boron nitride powder whose maximum absorption peak within the range of 3,100 to 3,800 cm?1 of the diffuse reflectance fourier transform infrared spectrum is existent at 3,530 to 3,590 cm?1 and which is able to provide high heat conductivity, dielectric strength and copper foil peel strength to a resin composition obtained by filling the powder into a resin, and a process for producing the above boron nitride powder by mixing together an oxygen-containing boron compound, a carbon source having a sulfur concentration of 1,000 to 10,000 ppm and an oxygen-containing calcium compound in a specific ratio and reduction nitriding the mixture.

Abstract: A honeycomb core construction that includes at least two honeycomb cores and a connection layer that is disposed between the honeycomb cores. The connection layer is configured so as to be gas-permeable, and has an adhesive for adhesively bonding to the honeycomb cores only in a region of the webs of the honeycomb cores.

Abstract: A modified bitumen consisting of a polyurethane wherein the polyisocyanate or polyisocyanate-dominated polyurethane prepolymer (or prepolymers) is first reacted with the bitumen to take advantage of the bitumen's hydroxyl and amine functionality and form an isocyanate-bitumen adduct to form a weatherproofing product.

Abstract: A process for preparing a polymer mixture containing at least two different comb polymers, wherein the comb polymers each have a polymer backbone having side chains attached via ester and/or amide groups, which process includes the steps of: a) providing and/or preparing a reaction mixture containing at least a first base polymer bearing acid groups and a second base polymer bearing acid groups, wherein the two base polymers differ chemically; b) conjointly esterifying and/or amidating the two base polymers with at least one unilaterally hydroxyl-terminated side chain compound and/or with at least one unilaterally amino-terminated side chain compound to obtain at least two different comb polymers.

Abstract: This invention relates to compositions and methods for improving the adhesion of resin compositions to substrate materials. More particularly, the invention relates to compositions and methods for improving the adhesion of ROMP compositions to substrate materials using an adhesion promoter composition, where the adhesion promoter composition comprises a pre-reacted mixture comprising at least one compound containing at least two isocyanate groups and at least one compound comprising a heteroatom-containing functional group and a metathesis active olefin, where the adhesion promoter composition is storage stable and/or possesses in-resin storage stability when added to a resin composition, particularly a cyclic olefin resin composition, such as a ROMP composition. The polymer products produced via ROMP reactions of the invention may be utilized for a wide range of materials and composite applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.

Abstract: A semiconductor device includes a first semiconductor component having a semiconductor substrate, and a barrier layer disposed at least on or at a portion of the first semiconductor component. The barrier layer includes a polymer material and an organic metal complexing agent covalently bound to the polymer material. In an embodiment, the organic metal complexing agent includes a crown ether and/or cryptand. In an embodiment, the polymer material includes a homopolymer or copolymer resulting from the polymerization of monomers selected from the group consisting of: imides, epoxies, silicones, monomers having functional side chains, methacrylates, and any combinations thereof.