Abstract: A siloxane compound comprises a plurality of siloxane repeating units and at least a portion of the siloxane repeating units are cyclosiloxane repeating units conforming to a specified structure. A process for producing such siloxane compounds is also provided. A process and kit for producing a cross-linked silicone polymer using the described siloxane compounds is also provided. A light emitting diode (LED) comprises an encapsulant, and the encapsulant comprises a cross-linked silicone polymer produced from the described siloxane compounds.

Abstract: A block comprised of a copolymer is obtained by ring-opening polymerization of a cyclic polyarylene sulfide, so that a block copolymer is produced to have a maximum peak molecular weight measured by size exclusion chromatography (SEC) in a range of not less than 2,000 and less than 2,000,000 and have a unimodal molecular weight distribution in this range.

Abstract: Described are amphiphilic polymers that are provided with chelating moieties. The amphiphilic polymers are block copolymers comprising a hydrophilic block and a hydrophobic block, with the chelating moieties linked to the end-group of the hydrophilic block. The disclosed polymers are capable of self-assembly into structures such as micelles and polymersomes. With suitable metals present in the form of coordination complexes with the chelating moieties, the chelating amphiphilic polymers of the invention are suitable for use in various imaging techniques requiring metal labeling, such as MRI (T1/T2 weighted contrast agents or CEST contrast agents) SPECT, PET or Spectral CT.

Abstract: To provide a process for producing a PTFE molding powder having a high bulk density from granular polymer particles without using an emulsifying agent having problems of bioaccumulation and toxicity. A process for producing a polytetrafluoroethylene molding powder, which comprises a step of suspension-polymerizing a monomer containing at least 99.8 mass % of tetrafluoroethylene in an aqueous medium to produce granular polymer particles and a step of milling the granular polymer particles, wherein the aqueous medium contains a compound represented by RF(OCF(X1)CF2)k-1OCF(X2)COO?M+, at a concentration of from 0.5 to 2,000 ppm. RF is a perfluorinated C1-10 monovalent organic group, X1 and X2 are fluorine atoms, etc., and M+ is an ammonium ion or the like.

Abstract: A method of making a polymer with stable Mooney viscosity and molecular weight is described. A conjugated diolefin is reacted in a hydrocarbon solvent in the presence of an initiator to form a polymer. After forming the polymer, alkoxy silane terminal functionalizing groups are bonded to the polymer. A dialkoxysilane stabilizing agent is then added to the polymer in combination with a base material. The polymer is then desolvatizing, resulting in a polymer with stable Mooney viscosity and molecular weight, even over prolonged periods of time. Compositions and articles containing the polymer are also described.

Abstract: A process is provided for overmolding an insert or substrate with non-oriented thermoplastic fibers present in an amount that allows them to thermally bond in the presence of non-oriented filler fibers. The thermoplastic fiber fusion retains the filler fibers within the insert upon cooling. The filler fibers are selected to modify the properties of the insert and an overmolded article formed with the insert therein. Such overmolded articles are used in applications including vehicle components such as automotive interior light bases, posts, undercar components, cross members, chassis components, and frame components; architectural components such as home door interiors, sound damping panels, and weather resistant wood replacement. Articles formed with the inventive process yield weight reductions compared to conventional insert overmoldings, along with low scrap generation, process flexibility with respect to part shape and fiber material.

Abstract: The invention is an optical film at least containing cellulose acylate and a compound having a structure denoted by General Formula (I) described below, and a polarizing plate and a liquid crystal display device employing the optical film. R1 and R3 represent a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, or an aryl group, and R5a and R5b represent an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, an aryl group, or a heterocyclic group. R1, R3, R5a, and R5b may have a substituent group.

Abstract: Cellulose fibers are impregnated with polyethyleneimine so that the impregnation forms a type of network, which can reduce the specific resistance of the cellulose material owing to the electrical conductivity of the network. The cellulose material can thereby be advantageously adapted to use as electrical insulation of transformers, the cellulose material in this case being soaked in transformer oil. An adaptation of the specific resistance of the cellulose material to the specific resistance of the oil lead to improved dielectric strength of the transformer insulation. A method for impregnation of the cellulose material is described.

Abstract: A method is used to provide an electrically-conductive polyaniline patterns on a substrate. A photocurable composition is applied as a pattern, comprising a water-soluble reactive polymer comprising (a) greater than 40 mol % of recurring units comprising sulfonic acid or sulfonate groups, (b) at least 5 mol % of recurring units comprising a pendant group capable of crosslinking via [2+2] photocycloaddition. The pattern is exposed to radiation sufficient to cause crosslinking via [2+2] photocycloaddition of the (b) recurring units to form a pattern of crosslinked polymer. The crosslinked polymer is contacted with an aniline reactive composition comprising an aniline monomer and up to 0.5 molar of an aniline oxidizing agent, in a molar ratio of from 1:0.5 to 1:1.5 of the aniline monomer to the aniline oxidizing agent. A pattern of electrically-conductive polyaniline disposed within, on top of, or both within and on top of, the crosslinked polymer only.

Abstract: The present invention relates to a process for producing a rigid polyurethane-polyisocyanurate foam C, comprising the step of reacting (i) an isocyanate-terminated prepolymer B with (ii) an activator component A comprising at least one trimerization catalyst A1 and at least one blowing agent A3 in a reaction mixture to form a foam, characterized in that—there is used an isocyanate-terminated prepolymer B obtained from a reaction of an isocyanate B1 having a mean isocyanate functionality of from ?2.3 to ?2.9 with a polyol component B2, and—the activator component A comprises water as the blowing agent A3 in an amount of from ?5 wt. % to ?50 wt. %,—the isocyanate index in the reaction mixture is in a range of from ?400 to ?500, and—the isocyanate content of the prepolymer B is in a range of from ?21 wt. % to ?30 wt. %, based on the total mass of the prepolymer B, and—wherein in the reaction of the prepolymer B and the activator component A a conversion contribution to polyisocyanurate of ?75% is achieved.

Abstract: The present invention provides a kind of inherent flame retardant rigid polyurethane foam. The production formula comprises 100 to 105 pbw of polyether polyol and reactive phosphorus-containing flame retardant, 2.5 to 3.5 pbw of amine catalyst, 0.8 to 2.5 pbw of tertiary amine catalyst, 0.8 to 2.5 pbw of foam stabilizer, 0.5 to 1.5 pbw of blowing agent, 135 to 150 pbw of isocyanates, and 0.05 to 0.1 pbw of organo-metallic catalyst, wherein the reactive phosphorus-containing flame retardant is 9,10-dihydro-9-oxa-10-phosphaphenanthrene-4-hydroxybenzyl alcohol. The active monomers containing flame retarding elements are introduced into main chain and side chain of PU for modification, which permanently improves the flame retardancy of PU without obvious effect on other performance of PU matrix.

Abstract: Prepare a polymeric foam article having a thermoplastic polymer matrix defining multiple cells therein, wherein the polymeric foam article has the following characteristics: (a) the thermoplastic polymer matrix contains dispersed within it nano-sized nucleating additive particles that have at least two orthogonal dimensions that are less than 30 nanometers in length; (b) possesses at least one of the following two characteristics: (i) has an effective nucleation site density of at least 3×1014 sites per cubic centimeter of pre-foamed material; and (ii) has an average cell size of 300 nanometers or less; and (c) has a porosity percentage of more than 50 percent by rapidly expanding at a foaming temperature a foamable polymer composition containing the nucleating additive and a blowing agent containing at least one of carbon dioxide, nitrogen and argon.

Abstract: The invention relates to a method of preparing expanded thermoplastic microspheres from thermally expandable thermoplastic microspheres comprising a polymer shell encapsulating a foaming agent, the method comprising heating the expandable microspheres within a flexible container (2) to effect expansion of said microspheres and withdrawing gas from said flexible container (2). The invention further relates to an expansion device for preparing such expanded thermoplastic microspheres.

Abstract: A composition and method for extracting, recovering, removing, and/or reducing at least one harmful compound selected from a harmful polycyclic aromatic hydrocarbon (PAH), bisphenol A (BPA), a harmful phthalate, a harmful polychlorinated biphenyl (PCB), a harmful dioxin, a harmful hexachlorobenzene, or a harmful organotin from a harmful compound-containing material using harmful compound-extracting composition comprising a turpentine fluid.

Abstract: Provided is a thermosetting resin composition that contains 40 to 80 parts by volume of an inorganic filler with respect to 100 parts by volume of thermosetting resin solids and the inorganic filler. The inorganic filler contains (A) at least one type of particles selected from among gibbsite-type aluminum hydroxide particles and magnesium hydroxide particles having an average particle size (D50) of 1 to 15 ?m; (B) aluminum oxide particles having an average particle size (D50) of 1.5 ?m or less; and (C) a molybdenum compound, and the blending ratios (by volume) of the component (A), the component (B) and the component (C) with respect to 100% as the total amount of inorganic filler are component (A): 30 to 70%, component (B): 1 to 40%, and component (C): 1 to 10%.

Abstract: A method involving polymerizing ethylene in the presence of a catalyst composition containing BaFe12O19 nanoparticles, a zirconocene catalyst, and an alkylaluminoxane co-catalyst. A nanocomposite is formed by the polymerization, whereby the BaFe12O19 nanoparticles are dispersed in a matrix of polyethylene (PE), and the % crystallinity is lowered. The activity of the catalyst is increased in the presence of the BaFe12O19 nanoparticles.

Abstract: A composition for preparing a polyimide-inorganic particle composite including a reaction product of a tetracarboxylic dianhydride mixture and a diamine, and a precursor of an inorganic particle, wherein the tetracarboxylic dianhydride mixture includes a tetracarboxylic dianhydride represented by Chemical Formula 1, and a tetracarboxylic dianhydride represented by Chemical Formula 2, and wherein the diamine is represented by Chemical Formula 3: wherein in Chemical Formulae 1 to 3, groups and variable as described in the specification.

Abstract: A method for coloring fibers or fibrous materials where the fibrous material is initially chemically pretreated in order to achieve natural/white color for the fibrous materials. Next the pretreated fibrous material, a polymer base, and the colorant concentrate(s) are combined under suitable conditions to form a biocomposite mixture. The chemical pretreatment of the fibrous material prevents damage from being done to the fibrous material, such that the fibrous material retains its strength enhancing properties when combined with the polymer to form the biocomposite mixture. Additionally, the chemical pretreatment enables the fibrous material to chemically and mechanically bond with the colorant when combined into the biocomposite mixture.

Abstract: A molding composition formulation is provided of a thermoset cross-linkable polyol having unsaturated backbone comprising the structure defined by formula 1: (1) a reinforcing filler; and optionally, a flame retardant, a UV stabilizer or a composition comprising one of the foregoing.

Abstract: Embodiments of the present technology may include a carbohydrate binder composition. The carbohydrate binder composition may include a carbohydrate, a nitrogen-containing compound, and a catalyst. The catalyst may catalyze a reaction between the carbohydrate and the nitrogen-containing compound. The catalyst may be water soluble in the composition but may become water insoluble after curing the composition.

Abstract: A process for the preparation of a chondroitin sulphate salt with an average molecular weight (Mw) of 10-30 kDa via chemical sulphation of an unsulphated chondroitin backbone is provided. The unsulphated chondroitin can be obtained by acid hydrolysis of a capsular polysaccharide K4 made directly from E. coli strain O5:K4:H4 or directly produced from a genetically modified strain of E. coli. Sulphation of the N-acetyl-D-galactosamine residue at position 4 or 6 takes place simultaneously in the same polysaccharide chain, simulating the sulphation pattern observed in natural chondroitin sulphate.

Abstract: A reactor system including an enclosed pressure relief system and/or a control system. The enclosed pressure relief system including a slurry separation system communicatively coupled with a pressure relief valve coupled to a loop reactor such that activation of the pressure relief valve results in discharge of a slurry from the loop reactor to the slurry separation system, wherein the slurry separation system is capable of separating solid and liquid components from gas components of the slurry and transmitting the gas components to a flare via a flare header.

Abstract: Compositions including recycled resin components and medical devices and components made form such compositions are disclosed. The compositions and medical devices are characterized as biocompatible and sterilization stable. In one or more embodiments, the compositions include a recycled resin component and may include one or more of an anti-oxidant component, slip additive component, anti-static component, impact modifier component, colorant component, acid scavenger component, X-ray fluorescence agent component, radio opaque filler component, surface modifier component, melt stabilizer component, clarifier component, processing aid component and reinforcing agent component. Methods of forming medical articles and components are also disclosed.

Abstract: A directed self-assembly composition for pattern formation, includes two or more kinds of polymers. The two or more kinds of polymers each do not have a silicon atom in a main chain thereof. At least one of the two or more kinds of polymers has a group binding to the polymerizing end of the main chain and having a hetero atom.

Abstract: The invention relates to (co)polycarbonate compositions and molding compounds, characterized by improved theological properties and a high heat deflection temperature.

Abstract: A thermoplastic polypropylene composition comprising polypropylene, a hydrogenated block copolymer, 3 to 6 wt % high density polyethylene, a processing oil, and greater than or equal to 3 wt % of a surface modifier comprising an ultra high molecular weight polydialkyl siloxane, an ultra-high molecular weight polydialkyl siloxane in combination with silica, a polyolefin siloxane or a combination thereof, wherein weight percent is based on the total weight of the composition.

Abstract: A thermoplastic elastomer composition includes a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, a thermoplastic resin, and a rubber softener. The hydrogenated block copolymer has a crystallization peak temperature (Tc) of ?3 to 15° C.

Abstract: Dispersions of nanoparticles in a resin component are described. The nanoparticles have a multimodal particle size distribution including at least a first mode and a second mode. The number average particle diameter of the particles in the first mode is greater than the number average particle size distribution in the second mode. The use of multimodal nanoparticle size distributions and the relative number of particles in the first and second mode to reduce or eliminate particle stacking behavior is also described.

Abstract: An injection molded article containing a resin composition containing a polyamide compound (A) and a resin (B), wherein the polyamide compound (A) contains from 25 to 50% by mol of a diamine unit, which contains a particular diamine unit, in an amount of 50% by mol or more; from 25 to 50% by mol of a dicarboxylic acid unit, which contains a particular dicarboxylic acid unit, in an amount of 50% by mol or more; and from 0.1 to 50% by mol of a particular constitutional unit.

Abstract: A aircraft component comprises a polycarbonate composition comprising: a first polycarbonate selected from a polycarbonate homopolymer, a poly(aliphatic ester-carbonate), or a combination thereof; a second polymer different from the first polycarbonate, the second polymer comprising a poly(carbonate-siloxane) copolymer, a polydialkylsiloxane, a silicone graft copolymer, or a combination thereof, wherein siloxane units in the second polymer are present in the polycarbonate composition in an amount of 0.3 to 3 wt. %, based on the total weight of the polycarbonate composition; and 10 to 50 wt. % of glass fiber, based on the total weight of the polycarbonate composition.

Abstract: Paramagnetic, amphiphilic, biocompatible polymers were prepared comprising a carbonate repeat unit bearing a paramagnetic organic radical, more specifically a nitroxyl radical. The radical polymers can be produced in one step from a precursor polymer bearing an active ester side chain by treating the precursor polymer with a radical-bearing nucleophile. The precursor polymer can be prepared by organocatalyzed catalyzed ring opening polymerization (ROP) of a cyclic carbonate monomer bearing an active ester side chain. The radical polymers can be non-toxic and partially biodegradable. The radical polymers have utility as contrast enhancing agents in a medical imaging application and/or as therapeutic agents for treating a medical condition. The radical polymers can also serve as carriers for therapeutic agents (e.g., drugs) and/or medical image enhancing agents (e.g., NIRF dyes).

Abstract: Disclosed is a copolycarbonate including aromatic polycarbonate-based repeating units represented by Chemical Formula 1 and Chemical Formula 2; and aromatic polycarbonate-based repeating units having siloxane bonds represented by Chemical Formula 3 and Chemical Formula 4: copolycarbonate provides improved impact strength at low-temperature, improved YI (yellow index), and improved melt index simultaneously.

Abstract: Provided are an aliphatic polycarbonate-polyurethane composition and an aliphatic polycarbonate-polyurethane polymer using the same.

Abstract: A method for making a polyamide composition, in particular for molding, prepared by mixing a polyamide material, a powder made from airbag scraps, and optionally reinforcing fillers is described. Also described, is a method for recycling used airbags.

Abstract: A curable composition includes a functionalized fluoropolyether comprising at least one first free-radically reactive functional group, a functionalized polysiloxane comprising at least one second free-radically reactive functional group, and an effective amount of a free-radical curing system. The curable composition can be cured to making a fluoropolyether-polysiloxane elastomer. Compositions and shaped articles including the fluoropolyether-polysiloxane elastomer are also disclosed.

Abstract: The present invention relates to a composition for preparation of latex pads, comprising natural latex, artificial latex, sliver nanoparticles, zinc oxide nanoparticles, and active carbon mixed in a specified proportion. The present invention also provides a method for manufacturing latex pads from the composition.

Abstract: The present invention discloses a reactor (100) for manufacturing carbon black, said reactor (100) comprising flow guide means (110) provided between a fuel burner (106) and an air inlet (108) for altering the flow path of combustion air entering at the air inlet (108) to result in a better mixing between the fuel and the combustion air, thereby, producing higher temperature hot combustion gases which are subsequently received in a reaction chamber (104) where they react with a carbonaceous feedstock to produce carbon black. The reactor (100) of the present invention increases the carbon black production by 5-20%. Further, the positioning of the flow guide means (110) stabilizes the flame from the fuel burner (106) to maintain it along the reactor axis, thus, increasing the life of the refractory lining (114).

Abstract: A sacrificial coating on an intermediate transfer member of an aqueous ink imaging system is disclosed. The sacrificial coating is made from ingredients comprising: a waxy starch; at least one polycarboxylic acid cross-linking agent; at least one hygroscopic material; and at least one surfactant.

Abstract: The present invention relates to platelet-shaped zinc-magnesium pigments, wherein the platelet-shaped zinc-magnesium pigments comprise the 40.8 to 67.8 mol % of zinc, 32.2 to 59.2 mol % of magnesium and 0 to 7 mol % of Mn, Li, Be, Y, Sn, Al, Ti, Fe, Cu and mixtures thereof, based in each case on the total molar amount of the elements Zn, Mg, Mn, Be, Y, Li, Sn, Al, Ti, Fe and Cu, where the molar percentages add up to 100 mol %, and the median thickness h50 of the pigments is less than 1 ?m. The invention further relates to the use and production of these pigments.

Abstract: This invention is directed to a polymer thick film conductor composition that provides a better conductor when dried at 80° C. than when dried at 130° C., in contrast to typical PTF conductors. More specifically, the polymer thick film conductor may be used in applications where low temperature curing is required.

Abstract: Compositions having a plurality of nanoparticles and nano-sheets are disclosed. Methods of making and using the compositions are also disclosed.

Abstract: A coating composition having excellent adhesion between coating layers is provided. This disclosure is particularly directed to a 1K waterborne coating composition having hydrophobic polytrimethylene ether polyol containing crosslinkable functional hydroxyl groups. The 1K waterborne coating composition can be used in a multi-layer coating that can comprise a primer layer, a basecoat layer, and optionally, a clearcoat layer. The 1K waterborne coating composition of this disclosure can provide improved adhesion between coating layers, such as between a primer layer and a basecoat layer, between two or more basecoat layers, or between a basecoat layer and a clearcoat layer. This disclosure is further directed to a coating composition comprising components derived from renewable resources.

Abstract: A method for preparing a cellulose dispersion includes oxidizing cellulose; preparing cellulose nanofibers by defibrating the oxidized cellulose; and adding a water-soluble polymer and inorganic particles to the dispersion containing the cellulose nanofibers.

Abstract: A nanocomposite includes a core comprising a first polymer, a shell disposed about the core, the shell comprising a sulfonated polyester, the first polymer and sulfonated polyester are different, and a plurality of silver nanoparticles disposed throughout the shell layer.

Abstract: A radiation curable liquid includes at least one free radical polymerizable monomer or oligomer, at least one diffusion hindered acetalyzation catalyst, and at least one diffusion hindered hydroxyl containing compound. The radiation curable liquid applied to a substrate prevents migration of very low viscous monomers, such as vinyl ether acrylate monomers, into the substrate.

Abstract: An ink disclosed herein comprises a carrier liquid with a dispersion of flakes derived from a layered material. The thickness of each flake depends on the number of layers of the layered material in the flake. The thickness distribution of the flakes includes: at least 20% by number of single layer flakes; at least 40% by number cumulatively of single, double and triple layer flakes; or not more than 40% by number of flakes having ten or more layers. The layered material is selected from one or more of elemental materials such as graphene (typically derived from pristine graphite), metals (e.g., NiTe2, VSe2), semi-metals (e.g., WTa2, TcS2), semiconductors (e.g., WS2, WSe2, MoS2, MoTe2, TaS2, RhTe2, PdTe2), insulators (e.g., h-BN, HfS2), superconductors (e.g., NbS2, NbSe2, NbTe2, TaSe2) and topological insulators and thermo-electrics (e.g., Bi2Se3, Bi2Te3). Also disclosed are methods of manufacturing suitable inks and uses of the inks.

Abstract: An ultraviolet curable composition includes a polymerizable compound and is stored in a storage body, in which an amount of water is greater than or equal to 0.05 mass % and less than or equal to 1.0 mass % with respect to a total amount of the ultraviolet curable composition, a content of at least one metal element selected from a group consisting of Li, Na, K, Ag, Mg, Ca, Ba, Zn, Fe, Sn, Al, and Zr is greater than or equal to 10 ppm by mass, and a content of each metal element included in the group is less than or equal to 250 ppm by mass.

Abstract: The invention relates to low-viscosity formulations of radiation-curable compounds, to processes for preparing them, to their use, and to inks, printing-inks, and print varnishes that comprise them.

Abstract: A radiation curable ink composition includes a first 2,2,6,6-tetramethylpiperidinyl compound. The first 2,2,6,6-tetramethylpiperidinyl compound is present in the radiation curable ink composition at a concentration above 0.5 wt %. A hindered amine group of the first 2,2,6,6-tetramethylpiperidinyl compound is substituted with only carbon or hydrogen and is a solid at 20 degrees centigrade and does not include carbon to carbon double bonds.

Abstract: An ink composition for inkjet recording includes a (meth)acrylic resin, a polymerization initiator, and a polymerizable compound. The (meth)acrylic resin includes a skeleton structure derived from a multifunctional thiol that is trifunctional to hexafunctional, and plural polymer chains connected to the skeleton structure by a sulfide bond, each of the plural polymer chains including at least two kinds of (meth)acrylic repeating units selected from the group consisting of a repeating unit derived from a (meth)acrylate having a C1-C8 linear, C3-C8 branched, C3-C8 alicyclic, or C6-C8 aromatic hydrocarbon group which may include an oxygen atom, a repeating unit derived from a (meth)acrylate having a C9-C10 alicyclic hydrocarbon group, and a repeating unit derived from (meth)acrylic acid, in an amount of more than 90 mol % with respect to the total repeating units in the polymer chain. An inkjet recording method uses the ink composition and a printed matter is printed with the ink composition.