Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, A1, A11, X21, XY1, XY11, R4, R14, b4, b14, c1, and c11 are as described in the specification.

Abstract: In an embodiment, a polymerization process comprises circulating, with a pump, a reaction mixture slurry in a polymerization loop reactor during a polymerization process, detecting a pressure change in the reaction mixture slurry downstream of the pump, generating, by a pressure controller, a takeoff valve actuation signal for a takeoff valve based on the pressure change, generating, by the pressure controller, a correction to the takeoff valve actuation signal, generating, by the pressure controller, a time delay for the correction, applying the correction to the takeoff valve actuation signal to generate a corrected takeoff valve actuation signal, providing the corrected takeoff valve actuation signal to the takeoff valve after the time delay, and adjusting a position of the takeoff valve in response to providing the corrected takeoff valve actuation signal. The reactor pressure is based on the takeoff valve position.

Abstract: Provided is a stainless steel substrate for a solar cell, the stainless steel substrate including, by mass %, Cr: 9% to 25%, C: 0.03% or less, Mn: 2% or less, P: 0.05% or less, S: 0.01% or less, N: 0.03% or less, Al: 0.005% to 5.0%, Si: 0.05% to 4.0%, and a remainder including Fe and unavoidable impurities, in which an oxide film containing (i) Al2O3 in an amount of 50% or more or containing (i) Al2O3 and (ii) SiO2 in a total amount of 50% or more is formed on a surface of stainless steel having a composition which contains Al: 0.5% or more and/or Si: 0.4% or more and satisfies the following expression (1). Cr+10Si+Mn+Al>24.

Abstract: Anaerobic curable compositions, such as adhesives and sealants, containing blocked dicarboxylic acid compounds are provided. The blocked dicarboxylic acid compounds are labile dicarboxylic acid compounds having two acetal linkages, which cleave to release the underlying dicarboxylic acid during anaerobic cure. In this way, the dicarboxylic acid can participate in the anaerobic cure of the composition when the blocking group is released.

Abstract: Disclosed are conjugated polymers having desirable properties as semiconducting materials. Such polymers are cheap and easy to synthesize, and can exhibit good solubility and great solution processibility, and that enable highly efficient OPVs.

Abstract: An organic light-emitting device and a flat panel display apparatus, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a hole transport region between the first electrode and the emission layer, the hole transport region including an auxiliary layer and at least one selected from a hole transport layer and a hole injection layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the auxiliary layer includes a compound represented by Formula 1 and a compound represented by Formula 2:

Abstract: The calcium carbonate filler for a resin is provided in which a volatile component such as water present in a surface of calcium carbonate is likely to be degassed even when the filler is incorporated into and kneaded with a resin having high processing temperature at a high concentration, and foaming or the like can be suppressed. In particular, the calcium carbonate filler is useful in optical fields that require reflectivity and light resistance. The calcium carbonate filler for a resin has a content rate of particles having a particle diameter of 0.26 ?m or less is 30% or less in a number particle size distribution diameter measured from an electron micrograph, and satisfies the following expressions (a) Dms5/Dmv5?3.0, (b) 1.0?Sw?10.0 (m2/g) and (c) Dma?5.

Abstract: The invention relates to a hydrocarbon conversion process and a reactor configured to carry out the hydrocarbon conversion process. The hydrocarbon conversion process is directed to increasing the overall equilibrium production of ethylene from typical pyrolysis reactions. The hydrocarbon conversion process can be carried out by exposing a hydrocarbon feed to a peak pyrolysis gas temperature in a reaction zone in the range of from 850° C. to 1200° C.

Abstract: Processes for making and using a viscosified liquid slurry polymerization additive are disclosed herein. The process for making a viscosified liquid slurry polymerization additive comprises contacting a polymerization additive with a liquid to form a liquid slurry polymerization additive, and shearing the liquid slurry polymerization additive to increase its viscosity and thus form the viscosified liquid slurry polymerization additive. The process for using a viscosified liquid slurry polymerization additive comprises contacting, under polymerization conditions, in a reactor system: a catalyst system, one or more monomers, and at least one viscosified liquid slurry polymerization additive.

Abstract: A process for making a low density polymer in a polymerization reactor system, the process comprising polymerizing an olefin monomer, and optionally an olefin comonomer, in the presence of a diluent in a polymerization reactor to make a polymerization product slurry consisting of a liquid phase and a solid phase, wherein the solid phase comprises an olefin polymer having a density of between about 0.905 g/cm3 to about 0.945 g/cm3; and discharging the polymerization product slurry from the polymerization reactor through a continuous take-off valve to make a mixture further comprising a vapor phase. The mixture comprises a pressure less than a bubble point pressure of a component in the polymerization product slurry.

Abstract: A method comprises rubbing a powder comprising titanium dioxide particles against a surface of an aluminum substrate to form a layer bonded to the surface of the aluminum substrate. The powder comprises titanium dioxide and is essentially free of organic particles. Composite articles preparable by the method are also disclosed.

Abstract: This invention relates to a process for the preparation of monodisperse optical and shape anisotropic polymer particles comprising monomer units of at least one reactive mesogen, such particles per se, the use of these particles for the preparation of optical, electrooptical, electronic electrochemical, electrophotographic, electrowetting and electrophoretic displays and/or devices and security, cosmetic, decorative, and diagnostic applications, and electrophoretic fluids and displays.

Abstract: This invention relates to aminoplast crosslinker resins compositions based on at least partially alkylated reaction products A of melamine, formaldehyde and an alkanol with the following parameters: the ratio of the amount of substance n(CH2O) of combined formaldehyde to the amount of substance n(Mel) of melamine is in the range of from 5.6 mol/mol to 6.2 mol/mol, the ratio of the amount of substance n(RO) of alkyl ether groups in the crosslinker resin to the amount of substance n(Mel) of melamine is in the range of from 5.0 mol/mol to 5.6 mol/mol, the mass fraction of monomer in the resin, calculated as the ratio of the mass of monomer m(1) to the mass m(A) of the reaction products A is between 35% and 55%, to a process for their preparation, and to a method of use thereof as crosslinker in combination with hydroxy-functional polymers for coating of heat-sensitive substrates.

Abstract: A process comprises polymerizing an olefin monomer in a loop reactor in the presence of a catalyst and a diluent, and producing a slurry comprising solid particulate olefin polymer and diluent. The Biot number is maintained at or below about 3.0 within the loop reactor during the polymerizing process. The slurry in the loop reactor forms a slurry film having a film coefficient along an inner surface of the reactor wall, and the film coefficient is less than about 500 BTU·hr?1·ft?2·° F.?1.

Abstract: The subject matter of the present application is a thermally expandable preparation that can be pumped at application temperatures below 70° C., containing (a) at least one first epoxy resin E1 that has an epoxy equivalent weight of at most 280 g/eq and a viscosity of at most 1250 Pa*s at 25° C., (b) at least one second epoxy resin E2 that has an epoxy equivalent weight of at least 300 g/eq and a viscosity of at most 250 Pa*s at 25° C., (c) at least one hardener that can be thermally activated, (d) at least one propellant that can be thermally activated, and (e) at least 1 wt. % of organic fibres having a fibre length of 0.2 mm to 10 mm.

Abstract: This invention relates to poly(acrylonitrile) homo- or co-polymer having a number average molecular weight (Mn) of at least 200,000 g/mol and a dispersity () of less than 1.3.

Abstract: An olefin polymerization process comprising polymerizing olefins in gas phase in a fluidized bed in the presence of an olefin polymerization catalyst in a polymerization reactor having a vertical body; a generally conical downwards tapering bottom zone; a generally cylindrical middle zone having a height to diameter ratio L/D of at least 4, above and connected to said bottom zone; and a generally conical upwards tapering top zone above and connected to said middle zone wherein (i) fluidization gas is introduced to the bottom zone of the reactor from where it passes upwards through the reactor; (ii) the fluidization gas is withdrawn from the top zone of the reactor, filtered, compressed, cooled and returned into the bottom zone of the reactor; (iii) a fluidized bed is formed within the reactor where the growing polymer particles are suspended in the upwards rising gas stream; and (iv) there is no fluidization grid in the reactor; characterized in that the gas velocity is maintained in the reactor such that NBr

Abstract: The present invention relates to a loop-route production method and system for polyvinyl chloride, and belongs to the intersecting fields of coal chemicals, polymer materials and chemical machinery. Limestone and carbon materials such as coal are reacted in an oxygen-enriched high temperature furnace to obtain calcium carbide and carbon monoxide, and then acetylene and carbon monoxide are respectively produced from calcium carbide and dichloroethane (obtaining ethylene, etc., through methanol or ethanol); both of the end products are combined to form a closed-loop; acetylene and dichloroethane are reacted to produce a vinyl chloride monomer, which is polymerized to obtain polyvinyl chloride.

Abstract: The present invention relates to: a polymerizable compound represented by a formula (I); a polymerizable composition comprising the polymerizable compound and an initiator; a polymer obtained by polymerizing the polymerizable compound or the polymerizable composition; and an optically anisotropic article comprising the polymer [in the formula, Y1 to Y8 are a chemical single bond, —O—, —O—C(?O)—, —C(?O)—O—, or the like; G1 and G2 are a divalent aliphatic group having 1 to 20 carbon atoms, or the like; Z1 and Z2 are an alkenyl group having 2 to 10 carbon atoms, or the like; A1 is a tetravalent aromatic group, or the like; A2 and A3 are a divalent alicyclic hydrocarbon group having 3 to 30 carbon atoms, or the like; A4 and A5 are a divalent aromatic group having 4 to 30 carbon atoms, or the like; Ax1 and Ax2 are an organic group having 2 to 30 carbon atoms that includes an aromatic ring, or the like; Ay1 and Ay2 are a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like; Q1 and Q2 are a hydrogen

Abstract: The present invention comprises a composition and method of use for providing cleanability to paint comprising an aqueous emulsion of Formula (I) wherein the composition of Formula (I) is a random copolymer; wherein said composition of formula (I) further comprises residue from a hydrophilic chain transfer agent. The compositions of the present invention provide durability to coating compositions, while also providing surface effects such as increased water and oil contact angles, enhanced dirt pickup resistance, and enhanced cleanability to the coating films. For these reasons, the composition of the present invention is particularly suitable for use as additives to exterior coatings and paints.