Abstract: The present subject matter relates to light-activatable polymeric nanoparticles (NPs) for the transportation and release of an active substance, methods for obtain said particles and their uses. A light-activatable nanoparticle for the transportation and release of an active substance, comprising a polycation preferably a polimer polycation, a polyanion and a light-sensitive photochrome attached to the polycation or the polyanion, wherein said photochrome is hydrophobic and suitable to photo-cleave when activated by an irradiation source, generating a negative charge and releasing the active substance. Light-activatable. The disclosure subject matter shows that NPs are a highly efficient drug delivery system to primary leukemic cells based on opto-nanomedicine system. Therefore, the present disclosure is useful for remote control in the release of biomolecules with spatio-temporal resolution with applications in the areas of general therapeutic and regenerative medicine applications.

Abstract: The present invention provides a coating film having a high level of heat resistance and a coating composition from which the coating film can be obtained. The coating composition of the invention includes (A) an emulsion which includes a polyvinyl alcohol-based resin as a dispersing agent, an acrylic resin as a dispersoid, and water as a dispersion medium and (B) fibrous metal oxide microparticles, wherein the fibrous metal oxide microparticles have an average major-axis length of 10 to 2,500 nm and an average aspect ratio of 10 to 450.

Abstract: The present invention relates to a curable composition providing upon curing a transparent antistatic coating comprising a silica organosol, a salt comprising an alkali cation and a Bronsted acid. The invention further relates to optical articles comprising a substrate at least partially coated with a transparent antistatic coating formed by depositing onto substrate and curing the above curable composition. The obtained optical articles exhibit enhanced antistatic properties, high optical transparency, low haze and good mechanical properties, in particular a good abrasion resistance.

Abstract: Provided is a thermoplastic resin composition in which filler such as glass fiber is incorporated to enhance rigidity, and which is further improved in hand touch feeling and occurrence of squeaking noise. The thermoplastic resin composition comprises a rubber-reinforced aromatic vinyl resin (A, B), a crystalline thermoplastic resin (C), and a fibrous or layered filler (D), wherein the thermoplastic resin composition has melting points, as measured according to JIS K7121-1987, between 0 and 100° C. and between 170 and 280° C., and a bending elastic modulus of 3,000 MPa or higher. The component (A) preferably comprises an ethylene/?-olefin rubbery polymer (a1) having a melting point of 0 to 100° C. as measured according to JIS K7121-1987. The component (C) preferably has a melting point of 170 to 280° C. as measured according to JIS K7121-1987, and is preferably at least one selected from the group consisting of a polyester resin and a polyamide resin.

Abstract: Optical inks suitable for 3D printing fabrication of gradient refractive index (GRIN) optical components are composed a monomer matrix material doped with ligand-functionalized nanoparticles, wherein the monomer has a viscosity less than 20 cPoise and is UV curable to form a solid polymer. The matrix material doped with the ligand-functionalized nanoparticles has a transmittance of at least 90% in a predetermined optical wavelength range, wherein the ligand functionalized nanoparticles have a size less than 100 nm, are loaded in the monomer matrix material at a volume percent of at least 2%, and alter an index of refraction of the monomer matrix by at least 0.02. The ligand-functionalized nanoparticles have a plurality of ligands attached to a nanoparticle core surface with an anchor functional group and terminated with a buoy functional group that are reactive, non-reactive, or combinations thereof. In some embodiments the ligands have a length less than 1.

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and an epoxy resin component in which the conductive metal powder contains a metal flake and the epoxy resin component contains a polyfunctional epoxy resin having three or more epoxy groups.

Abstract: A process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone and having a number average molecular weight of at least 10,000 (as determined by GPC based on polystyrene standards) includes a first step wherein a prepolymer is made having the 2,5-furandicarboxylate moiety within the polymer backbone, followed in a second step by a polycondensation reaction. In the first step a 2,5-furandicarboxylate ester is transesterified with a compound or mixture of compounds containing two or more hydroxyl groups, in the presence of a tin(IV) based transesterification catalyst. In the second step at reduced pressure and under melt conditions the prepolymer prepared in the first step is polycondensed in the presence of a tin (II) based polycondensation catalyst until the polymer is obtained. This polymer may then be subjected to Solid State Polycondensation.

Abstract: Provided is a resin composition excellent in processability and productivity, which improves low crystallization rate and improves processability in forming such as injection molding or sheet forming. Provided is a polyester resin composition including a polyester resin (A), a crystallization promoter (B), and pentaerythritol (C).

Abstract: A composition for forming a protective film that is placed between a positive electrode and a negative electrode of an electrical storage device, includes polymer particles (A1), polymer particles (A2), and a liquid medium, the polymer particles (A1) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of less than 15 parts by mass based on 100 parts by mass of the polymer particles (A1), and the polymer particles (A2) including a repeating unit derived from a compound that includes two or more polymerizable unsaturated groups in an amount of 20 to 100 parts by mass based on 100 parts by mass of the polymer particles (A2).

Abstract: The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (A) and a softening agent (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (B) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (A).

Abstract: A surface-treating composition including a fluorine-containing polymer which is able to form a layer having both high surface slip property and high friction durability. The surface-treating composition includes a first compound (a reactive fluorine-containing polymer which is a fluorine-containing silane polymer) and a second compound (a non-reactive fluorine-containing polymer which is a fluorine-containing oil), and the proportion of the first compound is 15 to 70% by mass with respect to the total mass of the first compound and the second compound.

Abstract: In one embodiment, a single component waterborne coating composition includes water; a branched polyester polyurethane dispersion; a polycarbonate polyurethane dispersion blend including a branched polycarbonate PUD and an unbranched, hydroxyl functional, polycarbonate polyurethane dispersion; and a fluorinated acrylic latex resin. In another embodiment, the fluorinated acrylic latex resin may be replaced with a hybrid resin selected from the group consisting of a fluorinated acrylic and polyester polyurethane dispersion hybrid resin and a fluorinated acrylic and polycarbonate polyurethane dispersion hybrid resin.

Abstract: The present invention relates to a coating composition and method of manufacturing said coating composition. The coating composition is a two-component coating composition for construction surfaces. The present coating composition is effectively bonded to the surface without an additional application of intermediate layer overcoming the existing problems associated with conventional concrete surface treatment methods.

Abstract: The invention relates to a hydrophobic thermoplastic copolymer which is in particular of use for manufacturing and/or coating medical devices, in particular implantable medical devices, characterized in that it is obtained by copolymerization, and in that it comprises at least one first monomer unit and at least one second monomer unit onto which is grafted a paramagnetic-ion-chelating ligand which can complex with such a paramagnetic ion or a paramagnetic-ion-chelating ligand which is complexed with such a paramagnetic ion, wherein the second monomer unit is grafted in sufficient amount for the copolymer to be visible in magnetic resonance imaging when it is complexed with said paramagnetic ion. The invention also relates to a method for obtaining said hydrophobic thermoplastic copolymer.

Abstract: An anisotropic conductive film, which contains a crystalline resin, an amorphous resin, and conductive particles, wherein the anisotropic conductive film is an anisotropic conductive film configured to anisotropic conductively connect a terminal of a first electronic part and a terminal of a second electronic part, and wherein the crystalline resin contains a crystalline resin containing a bond characterizing a resin, which is identical to a bond characterizing a resin contained in the amorphous resin.

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 present disclosure relates to a polypropylene composition for the production of molded articles, such as finished parts for the automotive industry, has melt flow rate (230° C., 2.16 kg) of at least 25 g/10 min and comprising: (A) 50-95% of a composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. of 3.0-5.0 dl/g; and (A1) 70-95% of a propylene homopolymer having a polydispersity index (PI) of 4.3-10, a fraction insoluble in xylene at 25° C. higher than 90% and an MFR (230° C., 2.16 kg) of 100-250 g/10 min; (A2) 5-30% of a copolymer of propylene with 36-44% of ethylene-derived units; (B) optionally up to 45% of a heterophasic propylene polymer, having an MFR (230° C., 2.16 kg) of 10-25 g/10 min, a flexural modulus higher than 1400 MPa, comprising 5-20% of a copolymer rubber component and 80-95% of a matrix propylene polymer component; (C) 2-10% of an ethylene based elastoplastic copolymer; and (D) optionally up to 20% of talc.

Abstract: A rubber-metal composite body constituted of a rubber composition and a metal material embedded therein is conventionally used in a rubber article requiring high strength in order to reinforce rubber to improve strength and durability thereof. The present invention provides a rubber composition having good initial adhesive properties and good heat resistant adhesive properties with respect to a metal material, mainly for use in the rubber-metal composite body as described above. Specifically, the present invention provides a rubber composition, containing a cobalt compound by an amount, according to cobalt atoms, in the range of 0.0025 to 0.05 parts by mass with respect to 100 parts by mass of a rubber component.

Abstract: A polyester prepared by free radical polymerization of an unsaturated polyester prepolymer, wherein the polymerization occurs primarily by reaction of the unsaturation is disclosed. Coatings comprising the same are also disclosed, as are substrates coated at least in part with such coatings.

Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.