Abstract: The present invention relates to a polycarbonate composition including the following components: A) 80-97.5 parts by weight of aromatic polycarbonate; B) 0.1-0.3 part by weight of metal organic sulfonate; C) 0.3-0.7 parts by weight of anti-dripping agent; D) 0.1-4 parts by weight of hydrolysis stabilizer; and E) 2-7 parts by weight of polysilsesquioxane. The total amount of the composition is 100 parts by weight. The present invention also relates to a shaped article made from the composition. The polycarbonate composition according to the present invention has a good combination of hydrolysis resistance and flame retardance.

Abstract: A process for preparing a polyethylene composition made from or containing bimodal or multimodal polyethylene in an extruder device including the steps of (i) mixing a bimodal or multimodal polyethylene having a density from 0.940 g/cm3 to 0.968 g/cm3, in the form of a polyethylene powder, with an additive, in a mixing device at a temperature from 10° C. to 100° C. without melting the polyethylene powder; (ii) melting and homogenizing the mixture within the extruder device, thereby forming a molten polyethylene composition; and (iii) pelletizing the molten polyethylene composition, and further (iv) adding a liquid made from or containing an organic peroxide, in an amount from 20 ppm to 200 ppm of organic peroxide with respect to the polyethylene powder, to the polyethylene powder at a position where mixing occurs and the polyethylene powder has a temperature of from 10° C. to 100° C.

Abstract: A polyester carbonate resin is provided, which includes a structural unit derived from a compound represented by general formula (1), a structural unit derived from a compound represented by general formula (2), a structural unit derived from a dicarboxylic acid or a derivative thereof, and a structural unit derived from a carbonic acid diester. The polyester carbonate can be used, e.g., in optical systems.

Abstract: A microfibrous shotcrete mixture which is used in mining applications, in highway, railway, subway tunnels, as excavation support element slope applications. The microfibrous shotcrete mixture provides a decreased amount of rebound. The objective of the present invention is to increase cohesion significantly and reduce the rebound amount in shotcrete up to four times by establishing a bridge between concrete particles by means of the special structure of the developed microfiber.

Abstract: Described are an ethylene-vinyl alcohol (EVOH) copolymer composition, and a preparation method therefor. The composition contains an EVOH copolymer, element potassium, and element sodium, wherein the mass ratio of element sodium to element potassium is 0.1:1 to 1:1. By controlling the contents of element sodium and element potassium in an EVOH resin composition to fall within a specific proportion range, the heat resistance of the resulting EVOH resin composition is greatly improved, the initial decomposition temperature can be increased to 370-400° C., the maximum decomposition temperature can be increased to 400-440° C., and thus EVOH resin can adapt to the process requirement for a higher processing temperature. Moreover, further adding acyl-containing carboxylic acid and a phosphorus-containing compound/boron-containing compound can improve the thermal yellowing resistance of the EVOH resin composition, where the value of the yellowing index (YI) after 5-hour thermal treatment at 150° C.

Abstract: To provide a resin composition that excels both in transparency and mechanical strength, as well as a formed article, and a formed article with hard coat layer. The resin composition contains 5 to 100 parts by mass of a glass filler, per 100 parts by mass of a resin component, the resin component containing 40 to 85 parts by mass of a polycarbonate resin that contains a structural unit represented by Formula (1), and 15 to 60 parts by mass of a thermoplastic resin other than the polycarbonate resin, the resin component and the glass filler demonstrating an absolute difference in refractive index of 0.0042 or smaller, and the resin component demonstrating a coefficient of dynamic friction, measured in compliance with ISO 19252, of 0.40 or smaller: In Formula (1), R1 represents a methyl group.

Abstract: Examples of new polymer-modified cement formulations with self-healing capability at ambient temperature are described. These polymer-modified cements can be readily mixed with typical fine and coarse aggregates to build new concrete structures. One example of such a formulation includes a concrete comprising a MBA-BDA polymer having bond forming chemical functionality configured to form a bonding matrix between the polymer and at least one component of the concrete at a temperature less than 50 degrees C. wherein the matrix obtains at least 70% recovery of compressive strength after a damage event.

Abstract: The ink-jet ink of the present invention comprises a solvent S having an SP value of 9.1-9.4, resin emulsion particles and water. It is preferable that the resin emulsion particles contain a (meth)acrylic polymer. It is also preferable that the resin emulsion particles contain a structural unit derived from styrene. It is also preferable that the solvent S is tripropylene glycol monomethyl ether and/or monoethylene glycol monoisopropyl ether.

Abstract: Provided is a resin molded product having excellent scratch resistance. The resin molded product of the present invention is a resin molded product including a methacrylic-based resin composition, in which the methacrylic-based resin composition contains a (meth)acrylic-based polymer (A) and a fatty acid compound (B), and an absorbance ratio P1/P2 of a peak absorbance P1 in a wave number range of 1630 to 1650 cm?1 to a peak absorbance P2 in a wave number range of 1710 to 1730 cm?1 on a surface of the resin molded product, measured by a single reflection ATR surface reflection method with an infrared spectrophotometer, is 0.0040 or more.

Abstract: A surface-treated inorganic nanoparticle includes a core including titania (TiO2); a shell surrounding the core, and including zirconia (ZrO2); and a dispersant including a phosphate functional group, and connected to the shell.

Abstract: A process for preparing a polypropylene composition including oligomers having a semi-volatile organic condensable (FOG, VDA 278 October 2011), content of 50 ug/g to about 400 yg/g of the total polypropylene composition, and volatile organic compounds (VOC, VDA 278 October 2011) in an amount of less than 80 ug/g of the total polypropylene composition, wherein the weight ratio of the oligomers versus the volatiles is more than about 5.0, wherein the polypropylene composition has an MFRz2 (ISO 1133, 230° C., 2.16 kg) of 10 g/10 min or higher, wherein the polypropylene composition has a flexural modulus (ISO 178 on injection moulded specimens of 80×10×4 mm prepared in accordance with ISO 294-1:1996) of from 1000 to 2000 MPa, and wherein the total quantity of slip agent is at least 500 ppm.

Abstract: The invention concerns dry particulate compositions for forming a geopolymer, comprising an aluminosilicate containing mineral, a polymeric additive, an alkali metal silicate, and an alkali metal hydroxide. The invention concerns processes of making geopolymers, the geopolymers, as well as the use of the dry particulate compositions in the formation of geopolymers.

Abstract: A protective film forming agent that, in dicing of a semiconductor wafer, is used to form a protective film on the surface of the semiconductor wafer, can form a protective film that has excellent laser processability, and has excellent solubility of a light-absorbing agent; and a method for producing a semiconductor chip using the protective film forming agent. The protective film forming agent includes a water-soluble resin, a light-absorbing agent, a basic compound, and a solvent. The basic compound is an alkylamine, an alkanolamine, an imidazole compound, ammonia, or an alkali metal hydroxide. The light-absorbing agent content of the protective film forming agent is 0.1-10 mass % (inclusive).

Abstract: This invention relates to a process for hydrogenation of a phthalate based compound. According to the invention, generation of by-products is inhibited during hydrogenation, and thus, catalytic activity is improved and life is prolonged, thereby increasing efficiency and economical feasibility of the industrial process. And, since the hydrogenation product prepared according to the invention has high purity and low acid value, it has excellent qualities as a plasticizer, and thus, can be used for various products.

Abstract: Compounds containing polymer material and a phosphorous flame protection agent on the basis of an aminomethyl bisphosphonate, a method for manufacturing the compound, the use of the flame retardant, and selected structures of the flame retardant are disclosed.

Abstract: Provided is a polycarbonate-based resin composition including: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) is from more than 40 mass % to 70 mass % or less; (2) the copolymer has a viscosity-average molecular weight of from 10,000 to 23,000; and (3) the copolymer contains a specific polycarbonate block as the polycarbonate block (A-1).

Abstract: The disclosure provides an adhesion preventing agent composition for unvulcanized rubber of which the viscosity is not too high and which allows both lubricity and dispersibility to be obtained in addition to excellent adhesion preventing properties. To achieve the above objective, an adhesion preventing agent composition for unvulcanized rubber of the disclosure includes the following components (A) to (C) and water, wherein the component (B) includes the following components (B1) and (B2), and wherein the mass ratio (B1)/(B2) of the following component (B1) and the following component (B2) is in a range of 1 to 20: (A) a water-soluble polymer, (B) a metallic soap, (C) a surfactant, (B1) at least one metallic soap selected from the group consisting of calcium fatty acid and lithium fatty acid, and (B2) at least one metallic soap selected from the group consisting of zinc fatty acid, magnesium fatty acid, and aluminum fatty acid.

Abstract: A method for synthesizing a nanocomposite where the nanocomposite includes a polyacrylonitrile matrix having uniformly distributed metal nanoparticles. The method includes applying a current to an electrolysis cell including an acrylonitrile monomer, a supporting electrolyte, a solvent, a pure metal anode, and a metal cathode. While applying the current, the anode is oxidized to form the metal nanoparticles, and the acrylonitrile monomer is polymerized to form the polyacrylonitrile matrix around the metal nanoparticles.

Abstract: A phosphorus-containing flame retardant is produced by reacting at a reaction temperature a mixture including a metal or suitable metal compound and a stoichiometric excess relative to the metal or suitable metal compound of an unsubstituted or alkyl or aryl substituted phosphonic or pyrophosphonic acid, wherein the phosphonic or pyrophosphonic acid is in a molten state at the reaction temperature. The chemical composition of the resulting flame retardant product leads to excellent flame retardancy and exhibits high thermal stability. The presently disclosed flame retardants are useful, for example, in polymer compositions, particularly thermoplastics processed at high temperatures, over a wide range of applications.

Abstract: A method for preparing heat-conductive cement slurry for well cementation includes the following steps: S1, uniformly mixing sodium 1-butanesulfonate, sodium dodecyl diphenyl ether disulfonate and polyvinylpyrrolidone to obtain an admixture; S2, dissolving the admixture in deionized water and stirring to obtain a dispersant solution; S3, adding graphite to the dispersant solution and stirring to obtain a graphite dispersion; S4, stirring cement and deionized water in a slurry cup to obtain cement slurry; and S5, mixing and stirring the graphite dispersion and the cement slurry to obtain the heat-conductive cement slurry. The heat-conductive cement slurry can effectively improve the heat conductivity coefficient of set cement, and significantly improve the heat conductivity of the set cement, and has a broad market application prospect.