Abstract: The application relates to a process for continuously producing aqueous polyurethane dispersions, which is characterized by the use of micro structured mixing elements and addition of water twice during the dispersion step. The energy input in the mixing of the dispersion is low. In addition, the application describes an apparatus suitable for execution of the aforementioned process.

Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on the as-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.

Abstract: An object of the invention is to provide a coloring composition with which a light absorption anisotropic film maintaining an excellent dichroic ratio and having good pressing resistance can be formed, and a light absorption anisotropic film, a laminate, and an image display device using the coloring composition. A coloring composition according to the invention contains: a polymer compound having a repeating unit including a crosslinkable group and a mesogenic group in the same side chain, or a polymer compound separately having a repeating unit including a crosslinkable group in a side chain and a repeating unit including a mesogenic group in a side chain; and a dichroic dye compound.

Abstract: The present invention relates to a polyphenyl ether resin composition and a use thereof in a high-frequency circuit substrate. The polyphenyl ether resin composition comprises a vinyl-modified polyphenyl ether resin and an organic silicon resin containing unsaturated double bonds and having a three-dimensional net structure. The high-frequency circuit substrate of the present invention has a high glass-transition temperature, a high thermal decomposition temperature, a high interlayer adhesive force, a low dielectric constant and a low dielectric loss tangent, and is very suitable as a circuit substrate of high-speed electronic equipment.

Abstract: Disposable absorbent articles assembled from a collection of components using an adhesive comprising an amorphous polyolefin composition and a heterophase polyolefin composition comprising amorphous character and crystalline blocks.

Abstract: A sulfonyl-substituted polyphenylene-ether polymer having improved dielectric properties and methods for making the same. The sulfonyl-substituted PPE include sulfone-containing polyphenylene oxides (“PPO”) polymers having repeating units of the formulas: wherein each of R1 and R2 is H or an alkyl group containing from 1 to 4 carbon atoms, R3 is an alkylene group containing from 1 or 2 carbon atoms, R4 is selected from a group consisting of an alkyl group containing from 1 to 4 carbon atoms, an aryl group, and CF3, and X is a halogen atom. The subscript n is 0 or 1; the subscript m is 1 or 2, provided that when m is 2, R2 is H. A degree of polymerization ranges from about 5 to about 1,000, and a ratio of units having formula (1) to units having formula (2) of the sulfone-containing PPO polymer ranges from about 10:90 to about 90:10.

Abstract: A process for forming a flame retardant polymer, as well as the flame retardant polymer, are disclosed. A flame retardant polymer is a polymer that can be resistant to thermal degradation and/or thermal oxidation. A flame retardant polymer can be mixed or otherwise incorporated into a standard polymer to give flame retardancy to the standard polymer. The flame retardant polymers can include polycaprolactone functionalized with flame retardant substituents. The flame retardant substituents can include halides, substituted phosphoryl, and substituted phosphonyl.

Abstract: Disclosed herein are a functionalized diene monomer-containing polymer containing first and second functionalizing groups, processes for preparing the functionalized polymer, and rubber compositions containing the functionalized polymer. The functionalized polymer contains polymer chains comprises of at least one conjugated diene monomer optionally in combination with at least one vinyl aromatic monomer wherein each polymer chain is functionalized at its chain end with at least the first functionalizing group and is coupled via the first functionalizing group to the second functionalizing group.

Abstract: A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a heterophase polymer having crystallinity into an adhesive composition.

Abstract: A method of delivering polymeric microspheres to protect a cementitious composition, such as concrete, from freeze-thaw damage which comprises the addition of a dry blend of mineral powder and dry-expanded polymeric microspheres to cementitious compositions is described. The polymeric microspheres form annulus voids in the cementitious matrix by undergoing thermal contraction as the ambient temperature drops. The annulus voids act as entrained air voids to provide spaces for ice crystals to grow, thereby greatly reducing or eliminating the risk of cracking of the cementitious composition during freezing and thawing.

Abstract: A process for preparing aqueous dispersions of polymers containing oxazoline groups, by aqueous emulsion polymerization initiated by free radicals. The polymerization are carried out in two stages. In the first polymerization stage, an ?,?-monoethylenically unsaturated compound having at least one acid group, an monoethylenically unsaturated compound having at least one carboxylic acid amide group, a monoethylenically unsaturated compound having at least one carboxylic acid amide group are copolymerized. In the second polymerization stage, a monoethylenically unsaturated compound having at least one oxazoline group, a monoethylenically unsaturated compound having at least one carboxylic acid amide group and an ethylenically unsaturated compound are copolymerized with the final product from the first polymerization stage.

Abstract: The present disclosure relates to a halogen-free epoxy resin composition and a prepreg and a laminate using the same. The halogen-free epoxy resin composition comprises: (A) a halogen-free epoxy resin; (B) an active ester resin; and (C) a reactive phosphorous-containing flame retardant. The prepreg and laminate made from the halogen-free epoxy resin composition have the advantages of high inter-laminar adhesive force, low coefficient of thermal expansion and high heat-humidity resistance, and can achieve the halogen-free flame retardant purpose.

Abstract: The present technology provides a one-part moisture curable adhesive composition and a production method thereof. The adhesive composition contains: a preliminary composition containing a urethane prepolymer and a reaction product of an aliphatic isocyanate A and an aminosilane compound B or a monoterpene alcohol; and a dimethyl tin catalyst represented by Formula (1) below. In Formula (1), X1 and X2 each independently represent a divalent heteroatom and R1 and R2 each independently represent a hydrocarbon group that may have a heteroatom.

Abstract: An object of the present invention is to provide a novel production method of ethylene-based ionomer having excellent mechanical properties and heat resistance which exhibits remarkably excellent breaking elongation, breaking stress, and strain hardening, and has a high melting point. The present invention relates to a production method of an ethylene-based ionomer including a heating conversion step of heating a specific ethylene/unsaturated carboxylic acid ester copolymer and converting the ester group in the copolymer into a metal-containing carboxylate containing a metal ion of Group 1, 2, or 12 of the periodic table.

Abstract: Embodiments described herein are directed to oligomeric phosphonates and polyphosphonates that have non-reactive end groups, methods for making such oligomeric phosphonates and polyphosphonates, and compositions containing such oligomeric phosphonates and polyphosphonates. The oligomeric phosphonates and polyphosphonates of such embodiments may be incorporated into engineering polymeric into which they are mixed to make polymer compositions having good flame retardancy and mechanical properties.

Abstract: Provided is a vinyl alcohol-based copolymer, obtained by saponifying a copolymer of vinyl acetate and a polyfunctional monomer, wherein the polyfunctional monomer contains two or more ethylenic double bonds in its molecule, the vinyl alcohol-based copolymer has a side chain containing an ethylenic double bond and a molar ratio (d) of the ethylenic double bond to a total of vinyl alcohol units and vinyl acetate units is from 0.05/100 to 2/100, and the vinyl alcohol-based copolymer is water soluble.

Abstract: Aqueous particle-free fluids can be used in inkjet printing methods including continuous inkjet printing processes. Each of these fluids has a dynamic viscosity of less than or equal to 5 centipoise (5 mPa-sec) at 25° C., and each consists essentially of: a composition consisting of one or more compounds represented by the following Structure (I): HO—CH2—CH2—R?? (I) wherein R is a substituted or unsubstituted phenyl group or a substituted or unsubstituted phenoxy group, in a total amount of at least 0.5 weight % and up to and including 2 weight %, based on the total weight of the aqueous inkjet ink composition. Such aqueous particle-free fluids can be used as replenishment or printhead maintenance fluids.

Abstract: The invention relates to a composition comprising a heterophasic propylene copolymer and a C10-C30 aliphatic carboxylic acid amide, wherein the heterophasic propylene copolymer consists of a propylene-based matrix consisting of a propylene homopolymer and/or a propylene-?-olefin copolymer consisting of at least 70 wt % of propylene and at most 30 wt % of ?-olefin and wherein the propylene-based matrix is present in an amount of 76 to 90 wt % based on the total heterophasic propylene copolymer and a dispersed ethylene-?-olefin copolymer, wherein the dispersed ethylene-?-olefin copolymer is present in an amount of 24 to 10 wt % based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-?-olefin copolymer in the heterophasic propylene copolymer is 100 wt %, wherein the amount of ethylene in the ethylene-?-olefin copolymer is 30 to 38 wt %.

Abstract: Provided is a curable composition in which the solubility in a solvent (in particular, water) is high and in which properties of a cured film obtained using the curable composition stored for a predetermined time are superior. The curable composition includes: a compound A represented by Formula (A) and at least one compound X selected from the group consisting of compounds represented by Formulae (X1) to (X4), in which a content of the compound X is 0.01 to 2.0 mass % with respect to a total mass of the compound A and the compound X; or a compound B represented by Formula (B) and a compound Y represented by Formula (Y), in which a content of the compound Y is 0.01 to 2.0 mass % with respect to a total mass of the compound B and the compound Y.

Abstract: A heat-insulating transparent PVC sheet is formed from a PVC substrate having a thickness of 0.02-2.0 mm and contains heat-insulation pastes evenly distributed over the PVC substrate, since the heat-insulation paste contains an essential component of wolfram cesium powder (WCs) with a chemical formula of CsXNYWO3-ZClC and having a particle size of 0.005-2 ?m, the heat-insulating transparent PVC sheet has an excellent weatherability, and particularly before and after tested in 300-hour service life in line with ASTM G-154 specification, has a physical property of weatherability decay rate (%) small than 4%.