Abstract: The invention provides a modified liquid diene polymer that allows a rubber composition to give a crosslinked product which contains a filler in a dispersed state ideal for attaining enhanced properties and which also exhibits excellent properties such as wet grip and abrasion resistance. The invention also provides a rubber composition including the modified liquid diene polymer, a crosslinked product thereof, and a tire which includes a portion including the composition or the crosslinked product. The modified liquid diene polymer is a product of modification, with a specific silane compound, of a liquid diene block copolymer including a polymer block (b?1) or (b?1) containing butadiene units and a polymer block (b?2) or (b?2). The modified liquid diene polymer has a functional group derived from the silane compound, and satisfies specific conditions.

Abstract: A grafted polylactic acid is provided, wherein the grafted polylactic acid contains carboxylic acid end groups in an amount from 1.0 to 10.0 mg KOH/g and contains epoxide groups in an amount from 0.005 to 0.500 mmol/g.

Abstract: Provided is a resin composition including a resin containing a polymer, a hygroscopic particle, and an organic solvent-soluble dispersant. Preferably the ratio of the dispersant relative to 100 parts by weight of the hygroscopic particle is 0.1 part by weight or more and 1000 parts by weight or less, and the absolute value of the difference in refractive index between the resin and the hygroscopic particle is 0.05 or less. Also provided are a resin film formed by molding the resin composition into a film shape, and an organic electroluminescent device including the resin film.

Abstract: The disclosure relates to the field of electronic materials, and in particular to a composite film of fluorinated polybenzoxazole (6FPBO) and triple-shelled mesoporous silica hollow spheres, and to its preparation and use. The composite film comprises fluorinated polybenzoxazole as a matrix and amino-functionalized triple-shelled mesoporous silica hollow spheres which are dispersed in the fluorinated polybenzoxazole matrix. A mass ratio of (amino-functionalized triple-shelled mesoporous silica hollow spheres)/(fluorinated polybenzoxazole) is 1/100 to 5/100. The composite film has excellent thermal stability and a lower dielectric constant.

Abstract: Curable organopolysiloxane compositions contain (A) organopolysiloxane resins consisting of units of the formula RaR1b(OR2)cSiO(4?a?b?c)/2 ??(I), with the proviso that in formula (I) the sum of a+b+c?3, in at least one unit of the formula (I) b=1, in at least 50% of the units of the formula (I) a+b=1 and in at most 10% of the units of the formula (I) a+b=3, based in each case on all siloxane units of the formula (I) in organopolysiloxane resin (A), (B) organic compounds having at least one unit of the formula CR32=CR3—CO—Z—??(II), (C) initiators, (D) fillers and (K) amines, wherein the radicals and indices have the definition specified in claim 1. When coarse and fine grained fillers are employed, the composition can be used to mold artificial stone.

Abstract: A flame retardant for thermosetting resin containing an aromatic phosphoric acid ester represented by the general formula (I): wherein R1 to R4 each independently represent a hydrogen atom, a C1-4 alkyl group, or a C1-4 alkoxy group; R5, R6, and R9 each independently represent a C1-10 alkyl group or a C1-10 alkoxy group; R7 and R8 each independently represent a C1-4 alkyl group or a C1-4 alkoxy group; n represents an integer of 1 to 10; n1 and n2 each independently represent an integer of 0 to 3; m1 and m2 each independently represent an integer of 0 to 4; p represents an integer of 0 to 26; and k represents an integer of 1 to 12; and when p is 2 or more, any two substituents R9 may be bonded to each other, and may be bonded to a carbon atom(s) of a ring to which the above substituents R9 are bonded, forming another ring.

Abstract: A functional polymer including at least two different types of side chains, having the general formula (1), wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.

Abstract: Foams and methods of fabricating and using the same are provided. The foams can be three-dimensional (3D), free-standing, and/or rigid and can be used as, for example, nanofiller networks. The shape and size of the foam pore interconnected network can be tailorable/tailored. The foams can be, for example, hybrid one-dimensional (1D)/two-dimensional (2D) foams of 1D and 2D materials (e.g., hybrid boron nitride nanotube (BNNT)/boron nitride nanoplatelet (BNNP) foams). A freeze-drying-based method can be used to fabricate bulk porous foam, which can be used for, e.g., nanofiller for polymer nanocomposites.

Abstract: Composite oxide fine particles are produced by sol-gel method under conditions in which coarse particles and aggregated particles are unlikely to be generated, and the composite oxide fine particles are further wet-filtered using a filter to remove the coarse particles and the aggregated particles. Then, a salt is added to a dispersion of the composite oxide fine particles to produce weak aggregates of the composite oxide fine particles in the dispersion. A solid content is separated from the dispersion of the composite oxide fine particles containing the aggregates, and then dried. The solid content is easily made finer because no firm aggregates are generated during the drying. That is, composite oxide fine particles containing no coarse particles and aggregated particles are obtained. Use of a known cracking means can further reduce the amount of coarse particles.

Abstract: Provided are a coated particle that enables particles with low surface free energy to be dispersed in an aqueous solvent without using a fluorochemical surfactant, a dispersion solution, a dispersion method of coated particles, a coating film, a manufacturing method of a coating film, and a copolymer. A coated particle has: a particle with surface free energy of 50 mJ/m2 or less; and a copolymer in which a monomer including a hydrophilic group except for catechol groups and a monomer including at least a catechol group are copolymerized, and the particle is coated with the copolymer.

Abstract: A dental article such as a dental tray aligner or a dental crown that includes a substrate including a polymeric material having a modulus of elasticity that reduces upon exposure to water and a water-resistant coating on the substrate, where the water-resistant coating comprises parylene. In some examples, the water-resistant coating may include one or more layers that include parylene.

Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.

Abstract: In the present disclosure, there are provided a vinyl alcohol-based copolymer including a first repeating unit derived from an olefin, a second repeating unit containing a hydroxyl group, and a third repeating unit containing a cyanoalkyloxy group formed by a reaction of the repeating unit containing a hydroxyl group and an unsaturated nitrile-based compound, wherein the third repeating unit is included in an amount of 2 mol % or more and less than 10 mol % with respect to 100 mol % of a total amount of the second repeating unit and the third repeating unit; a method for preparing the same; and a gas barrier film including the same. The vinyl alcohol-based copolymer has excellent moisture stability, thereby exhibiting excellent gas barrier properties even in a humid environment.

Abstract: The present disclosure relates to a novel heterocyclic compound represented by the following Chemical Formula 1 and to an organic light emitting device comprising the same: wherein, R1, R2, R3, R4, R5, R6, m, n and o are described herein.

Abstract: A composition with improved adhesive and sealant properties comprising a pre-polymer comprising a polymeric unit of the general formula (1A1B-)n, wherein A represents a substituted or un-substituted ester, B represents a substituted or un-substituted acid ester comprising at least two acid ester functionalities, and n represents an integer greater than 1, wherein the compositions has a grafted anhydride content of less than about 0.05 mol/mol of polyacid.

Abstract: A method for producing a composite material, includes: immersing a carbon fiber bundle, including continuous carbon fibers, in a dispersion in which carbon nanotubes are dispersed in water, alcohol, or organic solvent; applying a tensile force to the carbon fibers, which are linearly arranged, using flat rollers; moving the carbon fibers linearly, under the tensile force by the flat rollers, at a constant depth inside the dispersion at a traveling speed of 1 to 20 m/min, such that the carbon nanotubes in the dispersion are adhered to respective surfaces of the carbon fibers; and applying a sizing agent to cover at least a part of the respective surfaces.

Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.

Abstract: The present invention refers to a composition, a low halogen and fast curing conductive adhesive and its preparation method. The composition includes the following raw materials measured by weight: epoxy resin 5-15 parts, curing agent 0.5-3 parts, acrylic acid component 5-12 parts, initiator 0.5-2 parts, flexibilizer 2-5 parts, wetting dispersant 0.1-1 parts, coupling agent 0.1-1 parts, antioxidant 0.1-1 parts, defoamer 0.1-1 parts and conductive silver filler 75-85 parts. The low halogen and fast curing conductive adhesive of the present invention has the advantages of fast curing (within 10 min), low halogen content, high bond strength, good moisture-heat aging resistance, good electric conductivity and thermal conductivity and so on, and has wide application prospects in the field of microelectronic packaging.

Abstract: Provided is a resin composition including a resin containing a polymer, a hygroscopic particle, and an organic solvent-soluble dispersant. Preferably the ratio of the dispersant relative to 100 parts by weight of the hygroscopic particle is 0.1 part by weight or more and 1000 parts by weight or less, and the absolute value of the difference in refractive index between the resin and the hygroscopic particle is 0.05 or less. Also provided are a resin film formed by molding the resin composition into a film shape, and an organic electroluminescent device including the resin film.

Abstract: A polymer formed of at least one phenylphosphine oxide functional epoxide crosslinked with at least one phenylphosphine oxide amine such that the polymer has phosphorous concentrations of at least about 8 percent by weight, at least about 8.5 percent by weight, or any value or range of values therebetween.