Abstract: The present invention relates to coatings comprising polyethylene glycol and at least one polyphenolic polymer. In particular, the polyphenolic polymer could be selected from the group consisting of tyrosine-derived polyarylates, linear polyesteramides, dihydroxybenzoate polymers, and resorcinol-derived polymers. The coating of the present invention may also include a drug, such as an antibiotic. The coatings of the present invention are suitable for use as coatings for medical devices, such as orthopedic pins or stents.

Abstract: Disclosed is a thermoplastic elastomer composition having excellent thermal resistance, and which includes a hard segment of a resin component, an elastic soft segment of a rubber component and the like. The thermoplastic elastomer composition has properties of both a plastic and a rubber, and, in particular, it has an elasticity as a function of a rubber at room temperature, and is further plasticized at high temperatures so as to be molded. Further, by increasing a proportion of the hard segment, the thermoplastic elastomer composition has improved heat resistance and grease resistance. Accordingly, the present invention provides a thermoplastic elastomer composition having excellent thermal resistance, which can be applied to an automotive constant velocity joint boot and the like.

Abstract: An improved urethane pre-polymer-based surface coating comprising a mineral filler the improvement comprising a benzothiazolythio compound and arylsulphorylisocyanate compound. A method of delaying or preventing the cross-linking or gelation of a urethane pre-polymer-based surface coating prepared with a mineral filler, comprises adding to of the formulation the surface coating a benzothiazolythio compound and an arylsulphonylisocyanate compound in amounts effective to prevent or delay the cross-linking or gelation of the surface coating.

Abstract: A flame retardant thermoplastic resin composition includes (a) a polycarbonate resin, (b) an impact modifier, and (c) resorcinol bis(diphenyl phosphate). The impact modifier includes (b1) a large rubber particle-modified vinyl graft copolymer wherein the rubber particle has an average particle diameter of about 0.3 to about 0.7 ?m, and (b2) a small rubber particle-modified graft copolymer wherein the rubber particle has an average particle diameter of about 0.05 to about 0.27 ?m. The flame retardant thermoplastic resin composition can have excellent flowability, mold formability, flame retardancy, impact strength, and gloss characteristics.

Abstract: The present invention relates to polyamide molding compounds, pigmented black, which include nigrosin and at least one nucleation agent, carbon black being ruled out. The present invention likewise relates to a method for producing molded articles from the mentioned polyamide molding compounds and also the corresponding molded articles. The polyamide molding compounds are used in the production of components with increased temperature requirements, e.g. in the automobile sector.

Abstract: A high quality paint formulation comprises water, latex polymer, pigment, and a quaternary ammonium compound. The high quality paint is capable of killing gram positive bacteria, gram negative bacteria at a rate of greater than 3 logs within 2 hours of application of bacteria to a painted surface. The high quality paint is also capable of inactivating viruses.

Abstract: The present invention relates to a process for the work-up of polymer solutions comprising N-methyl-2-pyrrolidone and a polymer where the polymer solution is hydrogenated with hydrogen in the presence of a hydrogenation catalyst. The present invention also relates to the product obtainable from said process, and to its use for producing, in particular, polyarylene ether products.

Abstract: The invention provides polycarbonate resins which are excellent in terms of light resistance, transparency, hue, heat resistance, thermal stability, and mechanical strength. The invention relates to a polycarbonate resin composition containing: a polycarbonate resin at least containing structural units derived from a dihydroxy compound having the portion represented by the following formula (1) as part of the structure thereof; and a bluing agent. The invention further relates to a polycarbonate resin composition including: a polycarbonate resin (A) containing structural units derived from a dihydroxy compound represented by the following formula (2) as part of the structure thereof; and a bluing agent. CH2—O??(1) The case where the portion represented by the general formula (1) constitutes —CH2—O—H is excluded.

Abstract: A blend of polyisobutylene-based thermoplastic vulcanizate, styrene-ethylene-ethylene-propylene-styrene, low molecular weight liquid polybutene, polyolefin, polyphenylene ether, and, optionally, filler is disclosed which has good processability, lower compression set, and more effective barrier properties for oxygen than the same blend without the styrene-ethylene-ethylene-propylene-styrene and the polyphenylene ether. The blend is superior in oxygen transmission rate properties than a conventional styrenic block copolymer containing thermoplastic elastomer.

Abstract: A composition includes: at least one aliphatic or semi-aliphatic polyester containing at least 70 mol % of saturated aliphatic units, whereby the units can be obtained by polycondensation of monomers selected from among saturated hydroxyalkanoic acids having formula HO—CxH2x—COOH, saturated dicarboxylic acids having formula HOOC—CxH2x—COOH, and saturated diols having formula HO—CxH2x—OH, wherein x=1-20, preferably 1-6, the rest of the units being formed by aromatic units; and at least one alkyl ester of 1,4:3,6-dianhydro hexitol selected from among alkyl monoesters and alkyl diesters of isosorbide, isomannide and isoidide. A a method for producing one such composition and to the different uses of one such composition are also described.

Abstract: The present invention discloses a polycarbonate resin composition and molded article thereof with excellent flame resistance, no problem with clouding, and excellent haze properties and color tone values. The flame retardant polycarbonate resin composition wherein (B) a metal salt of an organic sulfonic acid and (C) a compound with inclusion capability are contained in (A) a polycarbonate resin, and a flame retardant for a polycarbonate resin comprising an inclusion compound in which (B) a metal salt of an organic sulfonic acid is enclosed by (C) a compound with inclusion capability.

Abstract: A transparent fire resistant glazing comprising an intumescent interlayer, wherein the intumescent interlayer comprises an alkali metal silicate and a foam improvement additive, wherein the foam improvement additive comprises a polymer and/or oligomer and/or salts thereof, wherein said polymer, oligomer and/or salts thereof each contain at least one organic moiety having at least one hydrogen-bondable functional group covalently attached thereto.

Abstract: A transparent thermoplastic resin composition includes (A) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 700 to about 1800 ?; (B) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 2000 to about 4000 ?; (C) dimethyl polysiloxane; and (D) a base resin which includes (meth)acrylic acid alkyl ester in an amount of about 40 to about 100% by weight.

Abstract: Processes for continuously producing latex emulsions are disclosed. A multi-screw extruder is used for the production of the emulsion. A resin is fed into the extruder, heated, optionally dissolved in a solvent, mixed with a base to neutralize the resin and form particles, then mixed with a surfactant and water to form a phase inverted emulsion (PIE). The PIE may be sent to a distillation column to separate out the solvent, and the resulting latex emulsion is then sent to a receiving tank. These processes are useful for making precursors for toner compositions.

Abstract: Provided are a polycarbonate resin composition that includes (A) a polycarbonate resin, (B) a first rubber modified vinyl-based graft copolymer including a first rubber having an average particle diameter of about 6 to about 20 ?m and a span of about 0.8 to about 2.8 and (C) a second rubber modified vinyl-based graft copolymer including a second rubber having an average particle diameter of about 0.1 to about 0.5 ?m, and a molded product using the same.

Abstract: Carboxylic acid salts of tertiary amines for use as an accelerator for an anhydride based epoxy curing agents are disclosed. The disclosed carboxylic acid salts of certain tertiary amines are latent anhydride accelerators and enable epoxy resin curing when heated to an elevated temperature (e.g., an onset temperature of greater than about 50° C.).

Abstract: Antimicrobial chemical compositions comprise an aluminum phosphate (AlP) solid dispersed within a binding polymer, wherein one or more bioactive materials are disposed within AlP forming a bioactive-AlP complex. The complex may comprise the bioactive material chemically bonded with the AlP, physically combined with the AlP, or a combination of both. The complex may be formed according to precipitation, condensation and sol-gel methods of forming. The complex is engineered to provide a controlled delivery of the bioactive material or a constituent thereof upon exposure to moisture to give a desired level of antimicrobial resistance to a film or composite formed from the composition of at least about 30 ?g/m2, and may also provide a desired degree of corrosion resistance through the release of passivating phosphate anion.

Abstract: Controllably degradable overgrips are provided, as well as methods of producing controllably degradable thermoplastic polyurethane. Methods comprise pre-blending a catalyst on a matrix, dispersing a specified amount of the pre-blended catalyst throughout solid granular thermoplastic polyurethane to yield a polymer component, and determining an onset timing of hydrolytic breakdown of the polymer component by adjusting the specified amount of dispersed catalyst. The thermoplastic polyurethane may be produced by reacting low molecular weight aliphatic diol(s) with aliphatic dicarboxylic acid(s) to produce polyester, and reacting the polyester with organic di-isocyanate(s) and diol chain extender(s) using catalytic amounts of alkali or alkaline earth metal salt(s) of C10 to C45 aliphatic carboxylic acid(s). Tackifying resins may be added to adjust an adhesive profile of the overgrips.

Abstract: Disclosed is a photosensitive polysiloxane composition including: a polysiloxane; a quinonediazidesulfonic acid ester; a pyridine derivative of Formula (II) wherein one to three of R1-R5 independently represent a hydroxyl-substituted C1-C6 alkyl group, and the rest of R1-R5 independently represent hydrogen or a C1-C6 alkyl group; and a solvent.

Abstract: A stone based copolymer substrate includes calcium carbonate (CaCO3) from approximately fifty to eighty-five percent (50-85%) by weight and varying in size generally from 1.0 to 3.0 microns, high-density polyethylene (HDPE) from approximately two to twenty-five percent (2-25%) by weight and a biopolymer from approximately two to twenty-five percent (2-25%) by weight. The substrate may include a biodegradation additive from approximately three fourths of a percent to two percent (0.75-2%) by weight. By selectively adjusting the ranges of the substrate's components, various products can be made to replace current tree-based and plastic-based products. The substrate can be configured to be tear proof, water proof, fade resistant and fire retardant while utilizing less energy and producing less waste during its manufacture. In an exemplary embodiment of the invention, the stone used in the substrate includes limestone.