Abstract: Various aspects of the present disclosure are directed to conjugated polymers, their manufacture and their implementations. As may be implemented in connection with one or more embodiments, an apparatus includes a conjugated polymer and a side chain or end chain material connected to the conjugated polymer. The amount and makeup of the side chain or end chain enhance solubility of the resulting modified conjugated polymer, relative to the conjugated polymer itself.

Abstract: Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are defined herein. The block copolymers find use as wetting agents in the preparation of porous membranes from aromatic hydrophobic polymers such as polyethersulfone. Also disclosed are methods of preparing such block copolymers and porous membranes therefrom.

Abstract: The present invention relates to a poly(ethylene-aliphatic diene)-g-polystyrene-based copolymer having an improved mechanical property and heat resistance, and a method for preparing the same. More particularly, the present invention relates to a poly(ethylene-aliphatic diene)-g-polystyrene-based copolymer, which includes an ethylene-aliphatic diene copolymer as a soft segment and a polystyrene-based polymer grafted to the soft segment as a hard segment, and a method for preparing the same. The poly(ethylene-aliphatic diene)-g-polystyrene-based copolymer has elasticity equivalent to that of SBS or SEBS, and improved mechanical properties such as tensile strength and heat resistance, thereby being used as a substituent for SBS or SEBS.

Abstract: Provided is a fibrous adsorbing material used for the adsorption and recovery of metals in a solution, which is a fibrous metal-adsorbing material that can be produced using existing production facilities without using special facilities or complicated operations, has high durability, is easy to diversify, and can be processed into various forms. The fibrous metal-adsorbing material is produced by a) a step of preparing an acrylate polymer having a large number of glycidyl groups in the molecule, b) a step of kneading a low-melting-point fiber matrix polymer therewith, c) a step of making the resulting mixture into a fibrous form by an melt-blend spinning method, and d) a step of allowing a long-chain ligand having an amino group or an imino group to react with glycidyl groups on the fiber surface to introduce a metal-adsorbing functional group. The fibrous metal-adsorbing material has high durability, is easy to diversify, and has various forms.

Abstract: Process for modifying a polymer in the absence of elemental sulfur amounts larger than 0.5 phr, comprising the steps of a. mixing said polymer with a maleimide-functionalized mono-azide at a temperature in the range 80-250° C. to form a functionalized polymer, and b. thermally treating the functionalized polymer at a temperature in the range 50-270° C.

Abstract: A polypropylene impact copolymer is disclosed. The propylene impact copolymer composition comprises from 60 to 90 percent by weight of the impact copolymer composition of a matrix phase, which can be a homopolymer polypropylene or random polypropylene copolymer having from 0.1 to 7 mol percent of units derived from ethylene or C4-C10 alpha olefins. The propylene impact copolymer composition also comprises from 10 to 40 percent by weight of the impact copolymer composition of a dispersed phase, which comprises a propylene/alpha-olefin copolymer having from 6 to 40 mol percent of units derived from ethylene or C4-C10 alpha olefins, wherein the dispersed phase has a comonomer content which is greater than the comonomer content in the matrix phase. The propylene impact copolymer composition is further characterized by having the ratio of the dispersed phase intrinsic viscosity (IV) to the matrix phase IV being 0.95 or less.

Abstract: An adhesive containing a block copolymer having at least one structure represented by formula: -[A1]-[B/A2]-, where [A1] represents a polymer block composed of a structural unit derived from a methacrylic acid ester (A1), [B/A2] represents a copolymer block composed of a structural unit derived from an acrylic acid ester (B) and a structural unit derived from a methacrylic acid ester (A2), and the copolymer block [B/A2] has a gradient copolymer block section in which a copolymerization ratio of the methacrylic acid ester (A2) continuously increases from a section connected to the polymer block [A1]. The block copolymer has a total content of the structural units derived from the methacrylic acid ester (A1) and the methacrylic acid ester (A2) of 5% to 60% by mass, a weight-average molecular weight (Mw) of 30,000 to 300,000, and a molecular weight distribution (Mw/Mn) of 1.0 to 1.5.

Abstract: Provided is a liquid crystal alignment layer of which a constituent member is a polymer represented by the general formula (I).

Abstract: Compositions, coatings, and energy storage fabrications made of support polymers or active waxes in a grafted matrix to an amorphous wax and at least one functional compound and their methods of preparation are presented. Amorphous waxes are typified by paraffin waxes. Functional compounds include various fatty alcohols, fatty acids, ester, amines, and amidoalkylamines. Sulfonated and oxidized ion exchange resins may be grafted to the matrix. The compositions are capable of storing or releasing energy upon a physical phase change transition.

Abstract: A polypropylene resin composition affords a molded article good in rigidity, impact resistance, and tensile elongation at break. This composition contains 75-98 wt % of a propylene-based material (A) and 2-25 wt % of a propylene-ethylene random copolymer (B). Material (A) contains 50-100 wt % of a polymeric material (A-1) produced by multistage polymerization and composed of a propylene homopolymer component (i) and a propylene-ethylene random copolymer component (ii), and 0-50 wt % of a propylene homopolymer (A-2). The content of (i) in material (A-1) is 55-90 wt %, and the content of (ii) is 10-45 wt %, (ii) in material (A-1) contains >40 wt % but ?80 wt % of ethylene units and ?20 wt % but <60 wt % of propylene units, and the content of (ii) in material (A) is 5-35 wt %. Copolymer (B) contains 88-95 wt % of propylene units and 5-12 wt % of ethylene units and has an MFR of 0.5-10 g/10 minutes measured at 230° C. and a load of 2.16 kgf.

Abstract: A kit for providing a polymerizable resin system is disclosed, which kit comprises a first Part A and a second Part B, which Part A and Part B upon mixing provides a working period of intermediate stage polymerization in which the mixture obtains a desired cohesiveness for a predetermined period of time. The first Part A comprises an acid and the second Part B comprises an organic compound that is water soluble or partially water soluble and that, in the presence of the acid, initiates curing of polymerizable monomer and/or resin that is present in Part A, Part B, or both. Also disclosed is a method of using the mixed composition as an adhesive, cement, glue, sealant, a base liner, a capping agent, a material for surface or structural repair and/or filling, an encasing material, a bodily implant, a dental material, and/or as a polymeric object having a living polymer surface property.

Abstract: Curable film-forming compositions are provided. The compositions comprise (a) a curing agent comprising reactive functional groups; (b) a film-forming compound comprising functional groups reactive with the reactive functional groups in (a); and (c) a catalyst component added to the curable film-forming composition as a dispersion of micelles in a continuous phase. The catalyst component (c) comprises a catalyst compound contained within or encapsulated by a carrier, and the catalyst compound and carrier together form the micelles in the continuous phase. The carrier comprises block copolymers that comprise at least one hydrophobic block derived from hydrophobic monomers and at least one hydrophilic block derived from (1) hydrophilic monomers and/or (2) monomers containing groups that may be rendered hydrophilic after polymerization.

Abstract: Polymers having ordered architectures and one or more reactive functional groups incorporated in select blocks or regions of the polymer in particular proportions relative to other regions in the polymer, are described. The polymers are well suited for use in adhesive compositions, and particularly for pressure sensitive adhesive compositions. In addition, various methods for forming the noted polymers and adhesive compositions utilizing the ordered polymers are disclosed.

Abstract: The invention relates to a polymer mixture made of styrene/nitrile monomer copolymers and of graft copolymers based on acrylate rubbers, and also to thermoplastic moulding compositions and mouldings produced therefrom and use of these.

Abstract: The present invention provides a transparent acrylonitrile-butadiene-styrene (ABS) resin and a transparent ABS resin composition. Specifically, according to the present invention, a transparent ABS resin and a transparent ABS resin composition, which have excellent transparency and impact resistance, can be provided by minimizing the degree of impregnation of a styrene monomer into a polybutadiene rubber latex while allowing the styrene monomer to constitute a graft shell to thereby effectively form the graft shell. Particularly, according to the present invention, a transparent ABS resin composition having high transparency and impact resistance can be provided, despite applying a reducing agent and Fe ions, which adversely affected the transparency of ABS resin in the prior art, to ABS resin.

Abstract: The invention disclosed herein is the composition comprising a fluorescent chromophore as cross linker incorporated to polymer beads, wherein the fluorescence of the composition occurs in solid state and solution state with high quantum yield in solid state. Particularly, the invention provides fluorescent monodisperse crosslinked PS-PBIX, PS-OPVX, PS-PBITEGA, PS-PBITEGA-OPVX, PS-PBIX-OPVX, PMMA-OPVX, and PMMA-PBIX microspheres or beads, having tunable color emission such that fluorophore made using PS-PBITEGA-OPVX will emit white light. Further it discloses process for the preparation of highly fluorescent monodisperse, cross-linked polymer microbeads.

Abstract: A compatibilizer including a thermoplastic elastomer and an acrylic polymer. The thermoplastic elastomer and the acrylic polymer form an interpenetrating polymeric network.

Abstract: Disclosed is a graft monomer composition for thermoplastic transparent resins, a composition for thermoplastic transparent resins using the same and a thermoplastic transparent resin that exhibits superior transparency and color at low rubber contents. According to the graft monomer composition, the composition for thermoplastic transparent resins and the thermoplastic transparent resin, although the content of rubber in final products increases or the content of rubber in graft copolymers in the preparation of final products increases, the copolymer surrounds the surface of rubber well, thus reducing haze, considerably improving transparency and exhibiting excellent natural color.

Abstract: Disclosed is a non-aqueous dispersant which is excellent in dispersibility and dispersion stability and able to form a resin layer with excellent hydrolysis resistance; a color material dispersion liquid containing the non-aqueous dispersant; and a color resin composition containing the non-aqueous dispersant.

Abstract: A series of vinyl addition block polymers derived from functionalized norbornene monomers are disclosed and claimed. Specifically, a series of diblock and triblock polymers derived from norbornene monomers are disclosed. Also disclosed are the method of preparation of such block polymers, and their use in the fabrication of membranes which exhibit unique separation properties.