Abstract: The present invention relates to an organolithium compound, and a method for preparing a modified conjugated diene-based polymer using the same. A modified conjugated diene-based polymer having good compatibility with an inorganic filler and improved processability may be provided, and by using a rubber composition including such modified conjugated diene-based polymer, a tire having excellent exothermic properties, tensile strength, abrasion resistance, low fuel consumption and wet traction, and low rolling resistance may be provided.

Abstract: Provided is a pneumatic tire including a tread formed from a specified rubber composition, thereby achieving a balanced improvement in fuel economy, wet-grip performance, and abrasion resistance while simultaneously having excellent durability. The present invention relates to a pneumatic tire including a tread formed from a rubber composition, the rubber composition containing: an oil-extended BR having a cis content of 95 mol % or more, a vinyl content of 1 mol % or less, and a weight average molecular weight of 530,000 or more; a SBR having a bound styrene content of 30-50% by mass and a weight average molecular weight of 700,000 or more; silica; and carbon black, the oil-extended BR being synthesized using a rare earth catalyst, the rubber composition containing, based on 100% by mass of rubber solids, 10-67% by mass of the BR component contained in the oil-extended BR and 10-50% by mass of the SBR.

Abstract: A rubber compound containing silicon dioxide for the production of tires, comprising at least one polymer base with cross-linkable unsaturated chain, silicon dioxide, a silane bonding agent, a vulcanization system and lignin comprising, in turn, at least part of its aromatic rings substituted with amine substituents.

Abstract: In an aspect, an organic light-emitting device is provided.

Abstract: According to one embodiment, a compound comprising a ligand LA of Formula I is described. In the structure of Formula I, A1 through A8 are independently carbon or nitrogen, with at least one being nitrogen; X1 is selected from the group consisting of O, S, and Se; X2 and X3 are independently selected from the group consisting of C, N, O, P, and S; ring A is a 5- or 6-membered heterocyclic ring bonded to ring B through a X2—C bond and bonded to M through a metal-carbene bond; any adjacent substitutions in R1 and R2 are optionally linked together to form a ring; the ligand LA is coordinated to a metal M; and the ligand LA is optionally linked with other ligands to comprise up to a hexadentate ligand. Formulations and devices, such as an OLEDs, that include the compound comprising ligand LA of formula I are also described.

Abstract: Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.

Abstract: There is provided a multilayer film comprising a layer (X) containing a polyvinyl acetal (I) having an acetalization degree of 55 to 80 mol %, a content of a vinyl ester monomer unit of 0.1 to 1.5 mol % and a viscosity-average degree of polymerization of 1,400 to 5,000; and a layer (Y) containing a polyvinyl acetal (II) having an acetalization degree of 70 to 85 mol %, a content of a vinyl ester monomer unit of 5 to 15 mol % and a viscosity-average degree of polymerization of 1,400 to 5,000, wherein the multilayer film satisfies formulas (1) and (2): (A?B)/A<0.80??(1) and 1.00×10?2<(b/y)/(a/x)<2.00×10?1??(2). There is thus provided a film which exhibits sufficient sound-absorbability, resistance to coloration by heating, reduction in foreign materials (undissolved materials) and excellent recyclability.

Abstract: The present disclosure relates to a novel compound and an organic electroluminescent element including the same, and the compound according to the present disclosure is used for an organic material layer of the organic electroluminescent element, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent element.

Abstract: The present invention is primarily directed to cost-effective systems for using large reflective elements that track the sun on two axes to concentrate solar energy onto a receiver that can convert the sun's optical energy to a form usable for extensive displacement of combustion of fossil fuels. The structures of the tracker frame, tracking mechanism and tracker supports are co-optimized with the optical elements and the receiver for high efficiency, low cost, and ease of assembly, making moderate and large-scale implementations cost-competitive with fossil fuels for peak power, and, with suitable storage, for base-load power and dispatchable peaking power in sunny locations. Improvement to small-tracker two-axis systems and one-axis tracking systems that focus in two dimensions are also included, as are improvements in systems for space-based solar power.

Abstract: A rubber composition includes a sulfur-crosslinkable diene rubber, from 1 to 100 parts by mass of carbon black and/or from 5 to 150 parts by mass of an inorganic filler, from 0.5 to 30 parts by mass of a sulfur-containing compounding agent, and from 0.01 to 20 parts by mass of a phosphine borane compound based on 100 parts by mass of the sulfur-crosslinkable diene rubber. The rubber composition may be applied in at least one type selected from the group consisting of a capped tread, a side wall, a belt, an inner liner, a carcass, and a bead of a pneumatic tire.

Abstract: The invention relates to flexible photovoltaic (PV) modules, and in particular to those having a polyvinylidene fluoride (PVDF) glazing layer. The PVDF layer may be a monolayer or a multi-layer structure.

Abstract: The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a liquid resin having a softening point of ?20 to 20° C., wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component.

Abstract: Novel host compounds containing indolo[3,2,1-jk]carbazole moiety are disclosed. These compounds are useful in phosphorescent OLEDs and particularly as hosts and/or electron-blocking layer materials.

Abstract: The present invention discloses a indenotriphenylene-based amine derivative is represented by the following formula (I), the organic EL device employing the derivative as hole transport material, electron blocking material, can increasing efficiency and half-life time. wherein R1 to R4, p, X, A ring, L and Ar are the same definition as described in the present invention.

Abstract: A rubber composition includes, as essential components, an EDPM polymer, a carbon black, an electrical insulating amorphous or spindle-shaped filler, a softener, and a sulfur-based vulcanizing agent as essential components, and also includes, as an optical component, an electrical insulating plate-shaped filler. An obtained vulcanized product is satisfied with the following Equations (1) and (2): volume resistivity ?1.0×106 ?·cm??(1) (M30<100° C.>/M30<23° C.>?1)×100??15%??(2) where M30<23° C.> is a tensile stress at elongation of 30% as measured by a tensile test at 23° C., and M30<100° C.> is a tensile stress at elongation of 30% as measured by a tensile test at 100° C.

Abstract: The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.

Abstract: A molding material mixture for producing casting molds for metal processing, particularly for non-ferrous metals, such as aluminum or magnesium, is intended to reduce problems such as metal-mold reaction and/or shrinkage porosity defect. The free-flowing refractory molding material in the molding material mixture is coated with a mixture of inorganic salts exhibiting a eutectic melting point in the range of about 400 C to about 500 C, particularly in the range of about 420 C to about 460 C. Preferably this coating occurs by contacting the inorganic salt mixture with the molding material mixture at a temperature between 500 C and 700 C, in a manner that maintains the free-flowing nature of the coated product. One mixture of inorganic salts that is used is a mixture consisting of, by weight: 74% potassium fluoroborate; 15% potassium chloride; and 12% potassium fluoride. This mixture has a eutectic melting point of 420 C.

Abstract: A bifacial solar cell includes a substrate; an emitter portion formed on a first surface of the substrate; a first insulating layer formed on the emitter portion; a plurality of first electrodes contacting the emitter portion through the first insulating layer and extended in a first direction; a plurality of first current collectors extended in a second direction crossing the first direction, wherein the plurality of first current collectors are electrically and physically connected to the plurality of first electrodes; a second insulating layer formed on a second surface of the substrate; a back surface field formed on the second surface of the substrate, and having an impurity concentration that is higher than an impurity concentration of the substrate; a plurality of second electrodes contacting the back surface field through the second insulating layer and extended in the first direction; and a plurality of second current collectors extended in the second direction.

Abstract: A composition, including at least one curable structural adhesive, and at least one thermoplastic elastomer, wherein the thermoplastic elastomer is present in the structural adhesive as penetrating polymer network. Such a composition constitutes a so-called shape memory material and is suitable for reinforcing cavities in structural components, such as, for example, in automobile bodies.

Abstract: Disclosed herein are metal compounds useful in devices, such as, for example, OLEDs.