Abstract: A crosslinked rubber is a member for use in an environment at ?10° C. or less produced by crosslinking a polymer composition containing 20 to 200 parts by weight of carbon black with respect to 100 parts by weight of a rubber component containing a monocyclic olefin ring-opening polymer having a proportion of cis bond of a structural unit derived from a monocyclic olefin of 45 to 95%.

Abstract: “Black” photoactive materials that comprise synthetic eumelanin polymers are provided, as are methods of making and using the polymers. The synthetic eumelanin polymers are made from the plant oil vanillin, and exhibit defined structural and chemical characteristics (e.g. homogeneity, solubility, etc.) that make them suitable for use in devices that require photoactive materials, such as solar cells.

Abstract: A copolymer characterized by alternating or semi-alternating ester and anhydride bonds, methods for its production and use thereof, particularly as a carrier for drug delivery, are described herein.

Abstract: Disclosed herein are methods of forming a three-dimensional object having a biodegradable or bioerodible polymer or copolymer. In some embodiments, the methods include providing a dual cure resin with a photoinitiator, monomers and/or prepolymers that are polymerizable by exposure to actinic radiation or light, at least one cyclic ester, a ring-opening polymerization initiator, and a ring-opening polymerization catalyst. Resins useful for carrying out such methods, and products produced from such methods, are also described.

Abstract: A polyethylene terephthalate resin composition which is characterized by having a manganese element content of 30 to 60 ppm, a potassium element content of 2 to 10 ppm, an antimony element content of 70 to 150 ppm, a molar ratio of metal elements to phosphorus element (M/P=(M1+M2/2)/P) satisfying formula (1), and a gelation ratio of 5% by weight or less: 0.6?(M1+M2/2)/P?1.3??(1) wherein M1 represents the content (mol/t) of a bivalent metal element selected from the group consisting of Mg, Mn, and Ca; M2 represents the content (mol/t) of a monovalent metal element selected from the group consisting of Li, Na, and K; and P represents the content (mol/t) of phosphorus element.

Abstract: The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound.

Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.

Abstract: The invention is directed to multi-functional N-maleimidyl polymer derivatives comprising a water soluble and non-peptidic polymer backbone having a terminal carbon, such as a poly(alkylene glycol), the terminal carbon of the polymer backbone being directly bonded to the nitrogen atom of a N-maleimidyl moiety without a linking group therebetween. The invention also provides two methods of preparing such linkerless N-maleimidyl polymer derivatives.

Abstract: The present invention provides a liquid crystal display device in which flicker and image sticking caused by long-term use are suppressed.

Abstract: A process for the manufacturing of a poly (arylether sulfone) polymer comprising reacting in a solvent mixture comprising a polar aprotic solvent and in the presence of an alkali metal carbonate, a monomer mixture which contains: at least one 1,4:3,6-dianhydrohexitol selected from the group consisting of isosorbide (1), isomannide (2) and isoidide (3); at least one dihaloaryl compound of formula (S): X—Ar1—SO2—[Ar2—(T-Ar3)n—SO2]m—Ar4—X wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5; X and X?, equal to or different from each other, are halogens selected from F, Cl, Br, I; each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom; optionally, at least one dihydroxyl compound different from the diol (AA); optionally, at least one dihaloaryl compound different from the dihalo (BB); and optionally, at least one hydroxy

Abstract: A liquid curable silicone elastomer composition is disclosed. The liquid curable silicone elastomer composition comprises an organopolysiloxane (A) containing at least two silicon-bonded alkenyl groups per molecule, an organopolysiloxane (B) containing at least two silicon-bonded hydrogen atoms per molecule, a platinum based catalyst (C), an inhibitor (D), and a silica filler (E). The organopolysiloxane (B) is a branched polymer, contains M siloxy units, and the at least two silicon-bonded hydrogen atoms are present on the M siloxy units. The inhibitor (D) is selected from the group consisting of acetylenic alcohols and their derivatives. The inhibitor (D) is present in the liquid curable silicone elastomer composition in an amount to provide a molar ratio of the inhibitor (D) to platinum in the catalyst (C)—of from 150 to 900 (150:1 to 900:1).

Abstract: In various embodiments, the present invention is directed to a centrally-functionalizable living cationic polymer or copolymer having a centrally-substituted tetraene group having the formula wherein each R is selected from the group consisting of a polymer or a copolymer, such as a polyisobutylene polymer or a poly(isobutylene-b-styrene) copolymer.

Abstract: Provided are a photodegradable hydrogel in which cells can be embedded in the photodegradable gel without causing cytotoxicity when the cells are embedded in the photodegradable gel by allowing the cells to coexist at the time of preparation of the photodegradable gel, and which contains a protein as one of the main components; a culture device using the same; a method for forming tissue; and a method for separating cells. A photodegradable hydrogel is obtained by condensation of an alkyne group contained in a cyclooctyne ring or an azacyclooctyne ring of the following compound A with an azido group of the following compound B.

Abstract: Embodiments of the present disclosure include organic polymeric particles, paper coating compositions, coated paper, and methods of forming coated paper with the paper coating compositions. The embodiments of the organic polymeric particle include an organic hydrophilic polymer with a unit for hydrogen bonding, and a hollow porous structure that comprises an organic polymer that at least partially surrounds the organic hydrophilic polymer, where the hollow porous structure has a pore surface area greater than 1 percent of a total theoretical exterior surface area of the hollow porous structure and the organic hydrophilic polymer and the hollow porous structure give the organic polymeric particle a void volume fraction of 40 percent to 85 percent.

Abstract: Provided is a material having large anti-piercing force and small surface roughness. The material contains continuous reinforcing fibers that are juxtaposed unidirectionally, and having a polyamide resin impregnated therein, wherein the continuous reinforcing fiber gives a non-circular cross sectional shape, when viewed perpendicularly to the longitudinal direction thereof, with a flatness ratio, given by long diameter (D2)/short diameter (D1), of 1.5 or larger, and in at least one cross section of the material taken perpendicularly to the direction of the continuous reinforcing fibers being juxtaposed, the percentage of area occupied by the continuous reinforcing fibers, whose long diameter (D2) lying at an angle of less than 20 degrees away from the direction of the continuous reinforcing fibers being juxtaposed, is 30 to 90% by area of the continuous reinforcing fibers.

Abstract: Provided are a polyester film that is usable for protecting a surface of a metal plate of a construction material, a decorative material, an interior material, an electronic product, etc., and a manufacturing method therefor, and a polyester mold product using the same and a manufacturing method therefor, wherein the polyester film has low orientation and low modulus to have excellent moldability.

Abstract: A method of producing an ion-conducting membrane containing a polymer having an ionic group, involves multiple liquid treatment steps in which a precursor membrane is brought into contact with an acid treatment solution or an alkali treatment solution, the precursor membrane containing a polymer in a state in which the aforementioned ionic group forms a salt with an impurity ion, wherein the liquid treatment time in the second and subsequent liquid treatment steps of the multiple liquid treatment steps is shorter than the liquid treatment time in the initial liquid treatment step.

Abstract: An electrochromic device includes a cathodic compartment including a cathodic material; an anodic compartment including an anodic material; and a transparent, ion-selective membrane displaced between the cathodic compartment and the anodic compartment wherein the transparent, ion-selective membrane is a cationic polymer.

Abstract: Hollow resin particles, a production process for producing the same and application thereof. The hollow resin particles include a thermoplastic resin shell and a hollow part surrounded by the shell. The thermoplastic resin is a polymer produced from a polymerizable component containing 0.6 to 3.0 wt % of a crosslinkable monomer having at least two polymerizable carbon-carbon double bonds per molecule and 97 to 99.4 wt % of an uncrosslinkable monomer having one polymerizable carbon-carbon double bond per molecule. A blowing agent is encapsulated in the hollow resin particles. The blowing agent contains 50 to 100 wt % of an organic compound having a vapor pressure higher than 100 kPa at 25° C. Further, the encapsulation ratio of the blowing agent ranges from 3 to 13 wt % of the hollow resin particles.

Abstract: The present invention relates to a method of continuously recycling thermoset plastic waste. The method includes crushing the thermoset plastic waste into pieces with a diameter size suitable for being fed into an extruder. The method also includes purifying the thermoset plastic waste by cleaning the thermoset plastic waste using a cleaning agent to remove contaminants from the thermoset plastic waste. The method also includes extruding the thermoset plastic waste by using supercritical solvent.

Abstract: A method of separating an inorganic material, the method comprising in the following order: a contact process of contacting a processing solution with a composite material, the composite material including a first organic substance that is decomposable by the processing solution, a second organic substance that is not decomposable by the processing solution, and an inorganic material; a separation process of separating the processing solution including a decomposition product of the first organic substance, from a recovered product including the inorganic material and the second organic substance; and a thermal treatment process of subjecting the recovered product to a thermal treatment at a temperature that is equal to or greater than a temperature at which the second organic substance is eliminated.

Abstract: Embodiments described herein relate generally to systems and methods for manufacturing a master batch with a graphitic material dispersed in a polymer matrix. In some embodiments, a method for manufacturing the master batch can include combining the graphitic material with a polymer, adding a supercritical fluid to the mixture, and depressurizing the supercritical fluid to remove the supercritical fluid. In some embodiments, the method includes mixing the graphitic material and the polymer for a first time period to form a first mixture and transferring the supercritical fluid to the first mixture to form a second mixture. In some embodiments, the method includes mixing the second mixture for a second time period and depressurizing the second mixture to allow the supercritical fluid to transition to a gas phase.

Abstract: Composite materials include a steel matrix with structural polymer integrated into the matrix. The composite materials have substantially lower density than steel, and are expected to have appreciable strength. Methods for forming composite steel composites includes combining a structural polymer component, such as a woven polymer, with steel nanoparticles and sintering the steel nanoparticles in order to form a steel matrix with structural polymer integrated therein.

Abstract: This invention relates to biodegradable films characterised by high resistance to processes of the photodegradative type, mainly activated by the ultraviolet component of sunlight, which are particularly suitable for use in the mulch film sector. These films comprise a composition containing at least one polyphenol of plant origin.

Abstract: An electrochromic thermoplastic composition includes about 10 wt % to about 60 wt % a poly(vinyl alcohol), a poly(acrylic acid), a poly(acrylic acid) salt, a polyaniline salt, a poly(diallyl dimethyl ammonium chloride), a poly(ethylene-co-acrylic acid), a co-polymer of any two or more thereof, or a mixture of any two or more thereof; about 40 wt % to about 90 wt % of a protic solvent; and at least one electroactive material; wherein the composition does not include lithium chloride, tetrabutylammonium bromide, lithium bis(trifluoromethanesulfonyl)imide, lithium triflate, and lithium hexafluorophosphate.

Abstract: Provided is an additive for rubber that contains a sulfide composition, wherein the sulfide composition in the additive for rubber contains a sulfide compound having the repeating units shown by formula (1), the amount of repeating units (1) in which X=2 is at least 45 molar parts per 100 molar parts of repeating units (1) in the sulfide compound, and the number n of repeating units (1) in the sulfide compound is from 1 to 400, whereby an additive for rubber capable of imparting excellent heat resistance is provided. Also provided is a rubber composition that contains said additive for rubber. wherein X is 1, 2 or 3.

Abstract: A transparent ABS resin composition which enables a production of a molded article retaining an excellent mechanical strength without decreasing the transparency and opacity, consisting of: based on a total mass of the transparent ABS resin composition, 70 to 98% by mass of a transparent ABS resin; and 2 to 30% by mass of a glass filler. The glass filler consists of glass components and optionally at least one oxide.

Abstract: A latex of a synthetic rubber, wherein the content rate of a particle having a particle size of 5 ?m or more in a particle size distribution of a synthetic rubber particle included in the latex, as determined on a number basis, is less than 3,000 ppm by weight. A latex of a synthetic rubber is excellent in mechanical stability and can provide a film molded article such as a dip molded article excellent in tensile strength and elongation.

Abstract: The present application relates to a process for producing a multimodal polyethylene composition comprising the steps of at least partially melting a first polyethylene resin (A) having a viscosity average molecular weight My of equal to or more than 700 kg/mol to equal to or less than 10,000 kg/mol and a density of equal to or more than 920 kg/m3 to equal to or less than 960 kg/m3 in a first homogenizing device, at least partially melting a second polyethylene resin (B) having a Mw of equal to or more than 50 kg/mol to less than 700 kg/mol, and a density of equal to or more than 910 kg/m3 to equal to or less than 960 kg/m3 in a second homogenizing device, combining the at least partially molten first polyethylene resin (A) with the at least partially molten second polyethylene resin (B) in said second homogenizing device, compounding the combined first polyethylene resin (A) and second polyethylene resin (B) in said second homogenizing device to form a multimodal polyethylene composition, wherein the multimo

Abstract: An antibacterial polymer masterbatch containing a thermoplastic polymer, titanium dioxide and a paraffin or silicone oil and the use thereof in the production of antimicrobial articles made of plastic material, in particular antimicrobial films.

Abstract: The crosslinked polyethylene composition according to the present invention is characterized in that the migration of additives is inhibited due to low oil content of low density polyethylene, and thus, when preparing crosslinked polyethylene using the same, stable extrusion property is exhibited, thus reducing exterior deviation of the crosslinked polyethylene.

Abstract: A polymer composition may include a plurality of ethylene-based polymers forming a multimodal composition distribution, each having a distinct crystallization peak in a CEF curve. A process of making a polymer composition may include melt blending a plurality of polyethylenes with different microstructural characteristics in the molten state. Another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a plurality of metallocene catalysts in a polymerization reactor to form a plurality of ethylene based polymers. Yet another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a multimetal catalyst in a polymerization process to form a plurality of ethylene based polymers.

Abstract: A matte synthetic paper is a biaxially oriented polypropylene synthetic paper having a thickness of 25 to 300 ?m, and includes a printing surface layer as an outermost paper layer. Moreover, by adding a mist flour or a thermoplastic elastomer, the haze and gloss of the printing surface layer can be improved. According to Tappi T480, the printing surface layer having gloss of 15 to 50% is suitable to be printing paper.

Abstract: The invention pertains to a peroxide/nitrile dual cure fluoroelastomer composition able to provide for cured parts having improved thermal and water vapour resistance, to a method of curing the same and to cured articles obtained therefrom.

Abstract: The invention relates to blends containing polymers of vinylidene fluoride, having low ductile-brittle transition temperatures and having excellent low temperature impact properties while maintaining the positive aspects of unmodified vinylidene fluoride-containing polymers. The blends of this invention are produced by adding a core-shell impact modifier (CSIM) comprised of a polysiloxane core and a shell compatible with vinylidene fluoride-containing polymer. The blends are further characterized by the presence of a heterogeneous copolymer composition comprised of two or more distinct phases and/or at least one flame and smoke suppressant. The preparation of these new blends can be done by conventional thermoplastic compounding techniques such as twin screw compounding; alternatively, the CSIM can be introduced earlier, such as in the latex.

Abstract: To provide a resin composition which can allow for production of a molded product causing less generation of formaldehyde and having an excellent metallic appearance, and furthermore which can allow for suppression of contamination in a mold and a molding machine during molding. A resin composition containing a polyacetal resin (A), an aluminum pigment (B), and a pearl-based pigment (C), in which the aluminum pigment (B) includes an aluminum particle, and the aluminum particle has a volume average particle size (D50) of 3 to 100 ?m and the content thereof is 0.01 to 15 parts by mass per 100 parts by mass of the polyacetal resin (A).

Abstract: Provided is a resin composition, which comprises 1 to 10 parts by weight of a bifunctional aliphatic long-chain acrylate and 30 to 50 parts by weight of a thermosetting resin. Moreover, an article is also provided, which is made from the resin composition described above. The article may comprise a prepreg, a resin film, a laminate or a printed circuit board.

Abstract: A nanocomposite including a metal oxide and two-dimensional nanosheets. The metal oxid includes at least one of zirconia and titania, and the two-dimensional nanosheets include at least one of reduced graphene oxide and boron nitride. A weight ratio of the metal oxide to the two-dimensional nanosheets is in a range of 2:1 to 19:1, or in a range or 2:1 to 9:1. Making the nanocomposite includes forming a first aqueous dispersion including zirconia nanoparticles and graphene oxide powder, combining a reducing agent with the first aqueous dispersion, irradiating the first aqueous dispersion with microwave radiation, thereby yielding a second aqueous dispersion including zirconia and graphene, and separating the nanocomposite from the second aqueous dispersion, wherein the nanocomposite comprises zirconia and graphene.

Abstract: The present invention provides a thermally conductive material containing a disk-like compound as a thermally conductive material having high thermal conductivity and high heat resistance. For example, the present invention provides a thermally conductive material containing a cured substance of a resin composition containing a disk-like compound having two or more functional groups, in which the functional groups are selected from the group consisting of a (meth)acryl group, a (meth)acrylamide group, an oxiranyl group, an oxetanyl group, a hydroxyl group, an amino group, a thiol group, an isocyanate group, a carboxyl group, and a carboxylic acid anhydride group. The present invention also provides a device, which includes the aforementioned thermally conductive material, and the aforementioned resin composition.

Abstract: This invention relates to a polymer composition that is particularly suitable for use in the manufacture of thermoformed articles, which can be biodegraded in industrial composting. This invention also relates to a process for the production of the said composition and articles obtained thereby.

Abstract: This invention relates to a polymer composition that is particularly suitable for use in the manufacture of thermoformed articles, which can be biodegraded in industrial composting. This invention also relates to a process for the production of the said composition and articles obtained thereby.

Abstract: A polymer composition that contains a polyaryletherketone and a liquid crystalline polymer that includes repeating units derived from naphthenic hydroxycarboxylic acids, naphthenic dicarboxylic acids, or a combination thereof in an amount of about 15 mol. % or less of the polymer is provided. The composition optionally contains reinforcing fibers in an amount of no more than about 10 wt. %.

Abstract: A resin composition is provided. The resin composition comprises the following components: (a) a thermal-curable resin system, which has a dielectric loss (Df) of not higher than 0.008 at 10 GHz and comprises a bismaleimide resin of the following formula (I), wherein M1 and the Z1 groups are as defined in the specification; and (b) an organic compound of the following formula (II) or formula (III), wherein R?, R11 to R19 and R21 to R28 are as defined in the specification, and wherein the amount of the organic compound (b) ranges from 1 wt % to 30 wt % based on the total weight of the resin system (a) and the organic compound (b).

Abstract: An (A) additive organopolysiloxane composition is disclosed which comprises (A1) a branched organopolysiloxane polymer comprising M, D and Q siloxy units and (A2) a silicone resin. The (A) additive organopolysiloxane composition has a content of aliphatically unsaturated groups of from 1.5 to 7.0 wt. %. A curable composition is also disclosed, the curable composition comprising the (A) additive organopolysiloxane composition, (B) an organosilicon compound having at least two silicon-bonded hydrogen atoms per molecule, and (C) a hydrosilylation catalyst. A method of preparing the curable and a method of forming a film with the curable composition are also disclosed.

Abstract: The present disclosure provides a coated iron particle, or reaction product thereof, comprising an iron particle and a thiol coating disposed on the iron particle. The present disclosure further provides compositions comprising a coated iron particle and a polymer or adhesion promoter. The present disclosure further provides components having a surface and a composition of the present disclosure disposed on the surface. Methods for passivating an iron particle can include introducing a passivation agent having one or more sulfur moieties into a solvent to form a passivation solution; and contacting an iron particle with the passivation solution to form a coated iron particle. Methods for passivating an iron particle can include introducing an iron particle into a solvent to form an iron particle solution; and contacting a passivation agent having one or more sulfur moieties with the iron particle solution to form a coated iron particle.

Abstract: Nano-thick flakes that are either flat, and specularly-reflective in visible light or that have microroughness intentionally controlled to disperse or interfere with visible light. Coatings and inks utilizing such flakes. Method for fabrication of such flakes in partial vacuum includes the repeated multiple times deposition of a release layer over a substrate surface and a flake layer over the release layer to form a multilayer structure further reduced to individual flakes. Reactive metal is passivated inline with the deposition of the flake layer for superior corrosion resistance. Chemically-functional materials are optionally added to the release material to transfer their functionality to the surface of flake layer to create unique functional properties on a flake surface before the multilayer structure is removed from the substrate.

Abstract: Some variations provide an atomic vapor-cell system comprising: a vapor-cell region configured with vapor-cell walls for containing an atomic vapor; and a coating disposed on at least some interior surfaces of the walls, wherein the coating comprises magnesium oxide, a rare earth metal oxide, or a combination thereof. The atomic vapor-cell system may be configured to allow at least one optical path through the vapor-cell region. In some embodiments, the coating comprises or consists essentially of magnesium oxide and/or a rare earth metal oxide. When the coating contains a rare earth metal oxide, it may be a lanthanoid oxide, such as lanthanum oxide. The atomic vapor-cell system preferably further comprises a device to adjust vapor pressure of the atomic vapor within the vapor-cell region. Preferably, the device is a solid-state electrochemical device configured to convey the atomic vapor into or out of the vapor-cell region.

Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func

Abstract: The present disclosure provides a photocurable coating composition, including: (a) a (meth)acrylate monomer or oligomer with at least four functional groups; (b) a difunctional (meth)acrylate monomer, (c) a monofunctional (meth)acrylate monomer, and (d) an initiator. The difunctional (meth)acrylate monomer is present in an amount of 30 to 70 wt % based on the total weight of the photocurable coating composition. The present disclosure also provides an optical film having a microstructure layer made from the photocurable coating composition. The optical film can be as a light guide film in a back light module of a display.

Abstract: Anisotropic zinc phosphate particles and zinc metal mixed phosphate particles having an orthorhombic crystal structure and a platelet-shaped particle morphology are obtained from a composition comprising at least one phosphate compound; at least one zinc compound and at least one chelate complexing agent having at least two oxygen-containing groups and at least one solvent.