Abstract: Closed cell chitin foam is provided. The closed-cell chitin foam composition does not absorb water, is biodegradable, and is mechanically characterized by a density range of 16 to 800 kg/m3, closed-cell pore sizes ranging from 50 microns to 1 mm, an elastic modulus of 3 to 175 MPa, and a tensile strength of 0.15 to 6.5 MPa. The chitin is at least 70% acetylated. In one aspect, the foam is enclosed in a shell e.g. in the form of a surfboard. Chitin foam according to this invention is fully biodegradable. The chitin foam overcomes the current problems with foams that contain polyurethane and polystyrene, and which are manufactured from petroleum-based sources. Petroleum based foams are not renewable, have an adverse impact on our environment, and pose significant health hazards to those who manufacture them. The chitin foam with its water-based manufacturing process and naturally sourced chitin, solves these problems.

Abstract: The present disclosure provides a thermoplastic copolymer composition capable of improving low noise properties without deterioration in mechanical properties, which is used in manufacture of a molded article, such as a constant velocity joint boot used as a component of an automobile.

Abstract: A process for manufacturing particles including a stereocomplex of poly-D-lactide (PDLA) and poly-L-lactide (PLLA), including the steps of: extruding a melt including 30-70 wt. % of PDLA and 70-30 wt. % of PLLA through an sc-PLA formation zone in a twin-screw extruder, wherein the formation zone is operated at a barrel temperature above the melting temperature of the PDLA and PLLA and below 220° C.; wherein the sc-PLA formation zone is followed by a finishing zone which is operated at a barrel temperature below 160° C.; wherein the finishing zone is followed by the end of the extruder which has a die-head resistance of 0; and recovering solid stereocomplex particles from the end of the extruder. The stereocomplex particles find use in various applications, e.g., in fracking fluids, as filler, as nucleating agent, in particular in the molding of semi-crystalline PLA, or as a starting material for the manufacture of sc-PLA products.

Abstract: The invention relates to a thermoplastic composition comprising A) aromatic polycarbonate, B) 0.1 to 5 wt.-% one or more polyether polyol(s) and C) one or more thermal stabilizer(s) selected from the group consisting of thio compounds excluding the following component D, characterized in that the composition additionally comprises D) 3,3?-thiodipropionic acid, wherein the total amount of components C plus D is 0.01 to 1.0 wt.-%. The invention also relates to medical technology products or parts of medical technology products consisting of such compositions as well as to a process for sterilization of such moulded parts by means of irradiation. The polycarbonate compositions according to the invention show significantly less yellowing after irradiation than known compositions.

Abstract: Provided is a polycarbonate-based resin having a ratio of an amine terminal to all terminal groups of 1.0 mol % or more.

Abstract: Disclosed is a dipping composite material for enhancing the cut resistance of chemical-resistant gloves, wherein an additive is added to a latex, and the additive is a metal oxide and/or silica and/or glass fiber and/or basalt fiber and/or aramid fiber. The present invention improves the formula of a dipping layer such that the dipping layer has the cut resistance, which can significantly improve the cut resistant level of gloves.

Abstract: The tread of a civil engineering vehicle tire comprises a rubber composition based on at least one elastomer matrix comprising from 50 to 100 phr of a styrene-butadiene copolymer and from 0 to 50 phr of isoprene elastomer; a reinforcing filler comprising predominantly carbon black with CTAB specific surface area greater than or equal to 90 m2/g; from 1 to 30 phr of at least one hydrocarbon resin predominantly consisting of units derived from aromatic and cycloaliphatic monomers, having an aromatic proton content between 0 and 12%, an ethylenic proton content greater than 3%, a number-average molecular weight above 500 g/mol and a polydispersity index greater than 2; and a crosslinking system.

Abstract: A near infrared absorbing composition includes a near infrared absorber. The near infrared absorber contains at least one of Ingredient (A) and Ingredient (B). Ingredient (A) consists of a first compound having a first structure represented by General Formula (I), a second compound having a second structure represented by General Formula (II), and a copper ion. Ingredient (B) consists of a first copper complex in which the first compound is coordinated and a second copper complex in which the second compound is coordinated. In General Formula (I), R1 represents an alkyl group containing 1-20 carbons or an aryl group containing 6-20 carbons, and may further have a substituent. In General Formula (II), R2 represents an alkyl group containing 1-20 carbons or an aryl group containing 6-20 carbons, and may further have a substituent.

Abstract: The present invention refers to a process for purifying leucoindigo salt solutions, for removal of aromatic amines, particularly aniline and N-methylaniline, comprising: adding to a purification vessel a leucoindigo salt solution containing aromatic amines, said solution in the form of a stationary mass; bubbling with a controlled flow rate an inert gas in the purification vessel, by means of a device submerged at the surface of the stationary mass; injecting with a controlled flow rate a gas purification current into the vessel, by means of a device submerged at the stationary mass; and recovering the purified solution from the vessel. It also refers to the use of inert gas in a process for purifying leucoindigo salt solutions, acting as a gas anti-foaming agent, to reduce foam and chances of product stripping during processing.

Abstract: Proposed are copper sulfide nanoparticles having a core-shell structure included in a coating composition for blocking near-infrared light, and a method of manufacturing the same. More particularly, a method of manufacturing copper sulfide nanoparticles having a core-shell structure includes manufacturing CuS nanoparticles, manufacturing Cu2-xS nanoparticles by heating a mixed solution of the CuS nanoparticles, a reducing agent, and a solvent, and manufacturing Cu2-xS@Cu2-yO core-shell nanoparticles by heating a mixed solution of the Cu2-xS nanoparticles, an oxidizing agent, and a solvent.

Abstract: A first aspect of the invention relates to a carbon-nanotube-based composite coating, comprising a layer of carbon nanotubes (CNTs) that comprise metal oxide claddings sheathing them. Another aspect of the invention relates to a method for producing such CNT-based composite coatings using chemical vapour deposition (CVD).

Abstract: The present disclosure provides a method of manufacturing a conductive coating which includes preparing a conductive powder, preparing a wet conductive powder, preparing a base slurry, and performing a centrifugal mixing process. A graphite and a carbon black are uniformly mixed and performed on a powder refining process to obtain the conductive powder. The conductive powder and an additive are uniformly mixed to obtain the wet conductive powder. A neoprene and a solvent are uniformly mixed and performed on a ball milling process to obtain the base slurry. 45 parts by weight to 55 parts by weight of the wet conductive powder and 45 parts by weight to 55 parts by weight of the base slurry are centrifugal mixed in a centrifugal mixing process at 900 rpm to 1000 rpm to obtain the conductive coating having a viscosity between 55000 cP and 60000 cP.

Abstract: A primer composition including a resin emulsion, an aggregation accelerator, a surfactant, and water, the surfactant containing one or more of acetylene-based surfactants and silicone-based surfactants, and a nonionic surfactant other than the surfactant, the nonionic surfactant having an HLB value of 10 or above and below 15.5 and having multiple polyoxyalkylene groups, and the proportion of the nonionic surfactant in the primer composition is 3 mass % or below. The primer composition has excellent storage stability and makes it possible to form a primer layer that has excellent transparency and that produces excellent bleeding resistance and printability when a solid image is printed by an aqueous inkjet ink composition.

Abstract: The present invention is a composition comprising a blend of a PVA based latex and an EA/MMA based polyacrylic latex. The composition of the present invention is useful in a paint formulation for providing a coating with superior scrub resistance over a formulation comprising a blend of a PVA based latex and a BA/MMA based polyacrylic latex.

Abstract: Disclosed is a high-performance repair tape for a backboard of a photovoltaic module. The tape comprises a base material layer, a functional adhesive layer, and a release material layer provided in sequence from top to bottom; the base material layer is formed of a polyester thin film material; the functional adhesive layer is formed of a high weather-resistance adhesive.

Abstract: Disclosed is an actinic radiation curable (meth)acrylic composition for use in hardcoats for optical displays containing one or more multifunctional (meth)acrylate monomers, one or more Si-containing (meth)acrylate monomers, one or more UV radical initiators, one or more monomers to improve surface cure, nanoparticles, and one or more organic solvents. Coated hardcoat articles made from this composition exhibit improved properties for use in display applications.

Abstract: A kit of parts is provided, comprising: in one part a) a water-borne stain; and, in another part b) a water-immiscible organic solvent-borne stain, wherein said water-borne stain is essentially free of resin and further contains at least one water-miscible organic solvent. Additionally, a method of coloring a wooden substrate is described, comprising the steps of: a) applying a water-borne stain to a surface of the wooden substrate, wherein the water-borne stain is essentially free of resin and comprises at least one water-miscible organic solvent; and thereafter b) applying a water-immiscible organic solvent-borne stain to said surface.

Abstract: The invention relates to a coating system comprising a binder composition comprising a polymer having a Mn of 6,000 to 60,000 g/mol, a Mw of 20,000 to 300,000 g/mol, a Tg of 30 to 180° C. and an acid value of at most 3.0 mg KOH/g, and a RMA crosslinkable coating composition comprising a component A with at least two acidic protons C—H in activated methylene or methine groups, a component B with at least two activated unsaturated C?C groups and a base crosslinking catalyst C; and its use for improving adhesion of the RMA crosslinkable coating composition, in particular to wood substrates.

Abstract: The present invention provides a super-hydrophobic anti-pollution flashover coating with hydrophobicity transference, which is prepared from the following raw materials: a silicone resin, an organic solvent, silicon oxide, a flame retardant, a cross-linking agent, a coupling agent, a dispersing agent, a defoaming agent, a leveling agent, and a silicone resin curing agent. The present invention also provides a preparation method of the super-hydrophobic anti-pollution flashover coating with hydrophobicity transference.

Abstract: A process for producing a sealed stitched skin structure including the steps of: (a) providing a stitched skin member; (b) providing an aqueous thermoplastic polyolefin dispersion sealant coating composition; (c) applying the aqueous thermoplastic polyolefin dispersion sealant coating composition from step (a) to at least a portion of the surface of at least one side of the skin member to form a wet film or coating of the thermoplastic polyolefin dispersion sealant coating composition on the surface of the skin member; (d) drying the wet coating from step (c) on the skin member surface; and (e) heating the dried skin member from step (d) at a temperature sufficient to form a film or coating of the aqueous thermoplastic polyolefin dispersion sealant coating composition on the stitches of the seam in the skin member; wherein the film or coating seals the stitches in the skin member; a sealed stitched skin structure made by the process above; and a polyurethane foamed article.

Abstract: A coating comprising epoxy functional resin, corrosion resistant particles, and a multi-functional crosslinker are disclosed as are methods of using such a coating to coat at least a portion of a substrate and a substrate coated thereby.

Abstract: The present invention relates to a composition comprising a) an aqueous dispersion of polymer particles comprising structural units of a phosphorus acid monomer or a salt thereof; and b) an aminosilane. The composition is effective for improving block resistance in such pigmented coating formulations.

Abstract: The present invention relates to modified-metal -particles for corrosion-protection coatings 16 a method for their production and their use anti-corrosive coating compositions and methods for their use. The coating compositions include modified metal particles and a binding agent. The modified metal particles can include zino, aluminum, magnesium, bismuth, tin, nickel, or manganese as well as their mixtures and alloys thereof and have an inorganically-based surface modification in the form of a coating layer capable of imparting cathodic corrosion protection. Suitable surface modifications include a coating layer formed by an inorganic oxide including silicon dioxide, titanium oxide, zirconium oxide, and mixtures thereof.

Abstract: A graphene anti-corrosion coating is described that comprises an epoxy resin and graphene subjected to surface modification, where the addition amount of the graphene is 0.01-0.2 wt % of the total mass of coating solid. By performing surface treatment on the graphene, the dispersity of the graphene in the coating is improved, and the compactness of the coating is enhanced.

Abstract: A method for reducing adhesion between a maskant and a substrate, wherein the maskant is adhered to a surface of the substrate, the method comprising applying a composition to the maskant.

Abstract: This disclosure relates polishing compositions that include (1) at least one abrasive; (2) at least one organic acid or a salt thereof; (3) at least one first amine compound, the at least one first amine compound including an alkylamine having a 6-24 carbon alkyl chain; (4) at least one second amine compound containing at least two nitrogen atoms, the second amine compound being different from the first amine compound; and (5) an aqueous solvent.

Abstract: A CMP slurry composition and a method of polishing a metal layer are provided. In some embodiments, the CMP slurry composition includes about 0.1 to 10 parts by weight of a metal oxide, and about 0.1 to 10 parts by weight of a chelator. The chelator includes a thiol compound or a thiolether compound.

Abstract: An aqueous alkaline chemical mechanical polishing composition includes a quaternary ammonium compound having a phenyl group which enables enhanced reduction of defects on silicon oxide substrates and enables good silicon oxide removal rates during chemical mechanical polishing.

Abstract: A method for preparing an aqueous acrylic pressure-sensitive adhesive for clothing is provided, which maintains aging peel strength even when stored at a high temperature for a long time and has greatly improved residue properties when the adhesive is removed from clothing fabrics, and the like. An aqueous acrylic pressure-sensitive adhesive for clothing including the composition prepared as above is also provided.

Abstract: The present disclosure relates to a non-conductive film comprising an adhesive layer containing a low molecular weight epoxy resin; and a tacky layer containing a predetermined composition, and a method for manufacturing a semiconductor laminate using the non-conductive film.

Abstract: Provided are THF-free primer formulations for solvent cement bonding comprising cyclopentanone and at least one additional organic solvent. The primer formulations are effective for solvent cement bonding plastic components together, wherein the plastic components may include ABS, PVC, or CPVC pipes and/or fittings.

Abstract: A moulded body includes a structured surface, wherein the surface has a structuring including a plurality of protrusions (pillars), at least each having a stem and comprising an end face pointing away from the surface. With this end face, the protrusions come into contact with the surface of the adhered object, wherein at least one protrusion comprises at least one structural feature, which, when loading the protrusion, leads to a directed deformation of the protrusion by changing the adhesion.

Abstract: An object of the present invention is to provide an adhesive tape having flexibility even at a low temperature, having excellent adhesive force at low temperature and after a certain period, and having excellent holding force after a certain period, and suppressing adhesive residue at peeling off even after being left for a certain period. According to the present invention, provided is an adhesive tape comprising a substrate and an adhesive layer, wherein the adhesive layer is formed directly on the substrate or with another layer therebetween, the substrate contains a polyvinyl chloride resin, a plasticizer, and a zinc compound, a content of the plasticizer in the substrate is 30 to 50 mass % with respect to the total mass of the substrate, a content of a zinc atom in the substrate is 0.01 to 0.15 mass % with respect to the total mass of the substrate, and the adhesive layer contains an adhesive component and a vulcanizing agent.

Abstract: Provided herein is a water-based hybrid pressure sensitive adhesive composition and a method of producing the same. The composition comprises: (A) 100 parts by mass of a silicone pressure sensitive adhesive; (B) 5 to 80 parts by mass of an acrylic pressure sensitive adhesive; (C) water in a sufficient amount to emulsify or disperse components (A) and (B) in component (C); and (D) 0.1 to 10 parts by mass of an amino-functional alkoxysilane compound, a hydrolysate thereof, or a hydrolyzed condensate thereof. Components (A) and (B) are emulsified or dispersed in component (C). The composition can be cured to form a pressure sensitive adhesive exhibiting good peel adhesion and low silicone migration.

Abstract: Adhesive seals include an elastic sealing sheet, an adhesive layer, and a release sheet on the adhesive layer.

Abstract: The disclosure relates to a conductive particle and a manufacturing method thereof, an adhesive and an application thereof. The conductive particle includes a core, a conductive carbon layer and a conductive polymer layer. The conductive carbon layer covers the core, and the conductive polymer layer is provided on the conductive carbon layer. The conductivity of the conductive particle is higher.

Abstract: A solvent-free and ligand-free ball milling method for preparation of cesium lead tribromide (CsPbBr3) quantum dot is provided. First, mixing a Cs source, a Pb source, and a Br source as per a molar ratio of Cs source:Pb source:Br source is 1:1˜6:1˜9, and then adding polymethyl methacrylate (PMMA) to obtain a mixture. The mixture is milled for 1-2 hours at a rotation speed in a range of 360˜630 revolutions per minute (r/min) in a ball milling device, obtaining CsPbBr3 quantum dot. The method has advantages such as simple process, easy industrial production, no solvent, no organic ligand, low cost, and environmental protection. A quantum yield of product obtained by the method is up to 78%, and the product has a strong environmental stability. A preparation temperature of the product is low, and the reaction can be completed at a room temperature without a high temperature treatment.

Abstract: The present invention relates to Mn-activated luminescent materials, to a process for preparation thereof and to the use thereof as luminophores or conversion luminophores in light sources. The present invention further relates to a radiation-converting mixture comprising the luminescent material of the invention and a light source comprising the luminescent material of the invention or the radiation-converting mixture. The present invention further provides light sources, especially LEDs, and lighting units comprising a primary light source and the luminescent material of the invention or the radiation-converting mixture. The Mn-activated luminescent materials of the invention are especially suitable for creation of warm white light in LEDs.

Abstract: Provided is a treatment liquid for a semiconductor wafer or the like used in a process for forming a semiconductor. Namely a treatment liquid containing (A) a hypochlorite ion, and (B) an alkylammonium salt expressed by the following Formula (1), or the like is provided. (In the Formula, “a” is an integer from 6 to 20; R1, R2, and R3 are independently, for example, an alkyl group with a carbon number from 1 to 20; and X? is, for example, a chloride ion.).

Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition with good frequency dependence and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition of the present invention comprises a compound represented by Formula I, a compound represented by Formula II and a compound represented by Formula III, wherein the mass percentage content of the compound represented by Formula I is not less than 30%. The liquid crystal composition provided by the present invention has an appropriate optical anisotropy, an appropriate dielectric anisotropy, especially a relatively low rotational viscosity, a good low-temperature mutual solubility and a good reliability, especially good frequency dependence.

Abstract: Disclosed are a polymer-stabilized liquid crystal composition and the use thereof. The composition comprises one or two polymerizable compounds represented by general formula I: (I), and further comprises a negative dielectric anisotropy liquid crystal composition, wherein the negative dielectric anisotropy liquid crystal composition has a dielectric anisotropy of ????1.5; and the added amount of the polymerizable compound(s) represented by general formula I is 0.1-0.5% of the total mass of the negative dielectric anisotropy liquid crystal composition. A polymer film formed after the polymerization of the provided liquid crystal composition containing the polymerizable compound(s) has a very good uniformity, such that the problem of liquid crystal displays having poor display can be improved.

Abstract: The invention relates to SiC-bound diamond hard material particles, a porous component formed with SiC-bound diamond particles, methods for producing same and the use thereof. Diamond hard material particles and components have a composition of 30 vol. % to 65 vol. % diamond, 70 vol % to 35 vol. % SiC and 0 to 30 vol.

Abstract: A cooling liquid composition including: a hydrocarbon fluid having a mass-based average carbon number of 13 or more and 16 or less in which a total amount of a hydrocarbon having 13 or more and 15 or less carbon atoms is 50% by mass or more relative to an entire amount of the hydrocarbon fluid.

Abstract: Described herein are thermally conductive thermoplastic polymers comprising a polymer matrix, at least one thermally conductive filler, at least one tensile strength filler, and at least one impact strength filler.

Abstract: Methods for making and using an invert-emulsion drilling fluid, and the invert-emulsion drilling fluid are provided. An exemplary invert-emulsion drilling fluid includes a C-36 dimer diamine dihydrochloride salt (CDDH), an aqueous solvent, a non-aqueous solvent, an emulsifier, and calcium chloride.

Abstract: A method of drilling a subterranean geological formation is described. The method includes driving a drill bit to form a wellbore into the subterranean geological formation thereby producing a formation fluid including hydrogen sulfide (H2S). The method includes injecting a drilling fluid into the subterranean geological formation through the wellbore. The drilling fluid composition includes 0.25 to 2 wt. % of a primary H2S scavenger which is potassium permanganate. The drilling fluid composition includes an invert emulsion which includes a continuous phase including mineral oil and a dispersive phase including water. The potassium permanganate present in the drilling fluid composition reacts with the H2S present in the formation fluid to produce a dispersion of manganese-containing particles which are at least one selected from the group consisting of manganese sulfide and manganese sulfate.

Abstract: A method may include: performing a treatment operation on at least a portion of a subterranean formation using an oil-in-water emulsion treatment fluid that comprises an oleaginous phase and an aqueous phase; recovering at least a portion of the oil-in-water emulsion treatment fluid from the portion of the subterranean formation; introducing a quaternary ammonium compound into the recovered portion of the oil-in-water emulsion treatment fluid at a well site; and mechanically separating at least a portion of the recovered portion of the oil-in-water emulsion treatment fluid into an oleaginous fluid and an aqueous fluid.

Abstract: Methods of cementing, cementing compositions made from the methods, and articles manufacturable by the cementing compositions are disclosed. The method can include mixing a cement composition and water to make a cement slurry and applying to the cement slurry an alternating magnetic field of from 25 mT to 60 mT at a frequency from 50 kHz to 200 kHz in order to set the cement slurry. The cement composition can have a cement and an amount of magnetic nanoparticles from 0.01 wt % to 10 wt % relative to the amount of cement (0.01% to 10% BWOC). The magnetic nanoparticles can have a mean particle size determined by Transmission Electron Microscopy (TEM) from 10 nm to 50 nm and a crystallite size determined by the Scherrer equation which is at least an 80% the mean particle size.

Abstract: A breaker composition comprising: (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid wherein the breaker composition has an effective operating temperature range of from about 25° C. to about 180° C. A wellbore servicing system comprising (a) an aqueous-based drilling fluid, wherein the aqueous-based drilling fluid forms water-wet solids in the wellbore; and (b) a breaker composition comprising (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid. A method of dissolving a filtercake comprising contacting the filtercake with a breaker solution comprising (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid wherein the filtercake comprises calcium carbonate.

Abstract: The present disclosure provides methods for inhibiting scale formation in subterranean reservoirs. The methods may include depositing silica-based nanoparticles on a surface of the subterranean reservoir and transporting a scale inhibitor to the surface of the subterranean reservoir. The scale inhibitor may adhere to the silica-based nanoparticles through a chemical interaction. The silica-based nanoparticles may adhere to one or more surfaces within the subterranean reservoir.