Abstract: Reflective polarizing films and brightness enhancing films comprising a preferably durable antireflective film.

Abstract: Antireflective films and low refractive index compositions are described. The low refractive index layer comprises the reaction product of a composition comprising at least one free-radically polymerizable material having a high fluorine content, and at least one free-radically polymerizable fluoropolyether urethane material.

Abstract: Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one fluorinated free-radically polymerizable material and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one emboidiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams.

Abstract: Antireflective film articles and low refractive index coating compositions are described that comprises a fluorinated free-radically polymerizable polymeric (e.g. intermediate) material. The free-radically polymerizable fluorinated polymeric intermediate comprises the reaction product of i) at least one multi-functional free-radically polymerizable material having a fluorine content of at least 25 wt-%, and ii) optionally other multi-functional free-radically polymerizable material. The total amount of multi-functional materials is preferably at least about 25 wt-%.

Abstract: The invention relates to display and protective articles having a fluorochemical surface layer, and methods of making such articles. The invention also relates to fluoropolyether acrylate compositions.

Abstract: A fluorochemical compound comprises the reaction product of: (a) the reaction product of: (i) at least one fluorochemical alcohol represented by the formula: CnF2n+1—X—OH wherein: n=1 to 6, R=hydrogen or an alkyl group of 1 to 4 carbon atoms, m=2 to 8, Rf=CnF2n+1, y=0 to 6, q=1 to 8; and (ii) at least one unbranched symmetric diisocyanate, and (b) at least one co-reactant comprising two or more functional groups that are capable of reacting with an isocyanate group.

Abstract: A hydrophilic polymer composition is described comprising thermoplastic of thermoset polymer, and a fluorochemical additive dispersed therein. The hydrophilic composition is useful, for example, in medical and surgical drapes.

Abstract: Fluoroacrylates comprise the reaction product of: (a) at least one fluorochemical alcohol represented by the formula: CnF2n+1—X—OH wherein: R=hydrogen or an alkyl group of 1 to 4 carbon atoms, m=2 to 8, Rf=CnF2n+1, y=0 to 6, and q=1 to 8; (b) at least one unbranched symmetric diisocyanate; and (c) at least one hydroxy-terminated alkyl (meth)acrylate or 2-fluoro acrylate monomer having 2 to about 30 carbon atoms in its alkylene portion.

Abstract: A hard coating composition for use as a stain repellent single layer on an optical display. The coating composition adds a monomer of a mono or multi(methyl)acrylate bearing at least one monovalent hexafluoropolypropylene oxide derivative and a free radically reactive compatibilizer consisting of either a fluoroalkyl-group containing acrylate compatibilizer or a fluoroalkylene-group containing acrylate compatibilizer to a conventional hydrocarbon-based hard coat formulation. The resultant coating is substantially smooth and forms a durable surface layer that has low surface energy that is stain and ink repellent.

Abstract: The invention relates to display and protective articles having a fluorochemical surface layer, and methods of making such articles. The invention also relates to fluoropolyether acrylate compositions.

Abstract: A process for preparing fluorochemical monoisocyanates comprises reacting at least one fluorochemical alcohol represented by the formula CnF2n+1SO2NCH3(CH2)mOH, wherein n=2 to 5, and m=2 to 4, with 4,4?-diphenylmethane diisocyanate (MDI) in a solvent in which the resulting fluorochemical monoisocyanate is not soluble; wherein the molar ratio of fluorochemical alcohol:MDI is from about 1:1 to about 1:2.5.

Abstract: A repellent article is disclosed comprising a layer of a thermoplastic polymer, and an adhesive layer having a fluorochemical repellent additive dispersed therein. The additive migrates from the adhesive layer to the thermoplastic polymer layer, rendering it oil- and/or water repellent.

Abstract: Fiber, fabric, film, molded or blown article comprising a water- and oil-repellent composition comprising a melt blend of components (a) and (b) in which: (a) comprises a repellency-imparting, fluorochemical composition comprising at least one fluorine-containing aromatic ester oligomer comprising (1) at least two repeat units derived or derivable from the reaction of at least one dicarboxylic acid (or a derivative thereof) and at least one polyol, with the proviso that either the dicarboxylic acid (or derivative) or the polyol (or both) is aromatic or heteroaromatic, and (2) fluorochemical endgroups derived or derivable from the reaction of (i) the dicarboxylic acid (or derivative) and at least one fluorine-containing monoalcohol, or (ii) the polyol and at least one fluorine-containing monocarboxylic acid; and (b) comprises a treatable substrate material; with the proviso that, when the treatable substrate material comprises a mixture of at least two polymers, the mixture is non-stratifying.

Abstract: A water- and oil-repellent, antistatic composition comprises (a) at least one polymeric salt consisting of (i) at least one cation having at least one polyoxyalkylene moiety bonded to a cationic nitrogen center, and (ii) at least one weakly coordinating anion, the conjugate acid of the anion having an acidity greater than or equal to that of a hydrocarbon sulfonic acid; (b) at least one fluorochemical repellent; and (c) at least one insulating material. The composition exhibits good antistatic and repellency characteristics.

Abstract: Polypropylene fibers and devices that include a fatty acid monoglyceride added to the polypropylene as a melt additive are described. A hydrophilic enhancer material can be advantageously added to the polypropylene as a melt additive to enhance the hydrophilicity of the fibers and devices. An antimicrobial enhancer material can be added to the fibers to enhance the antimicrobial activity.

Abstract: A water- and oil-repellent, antistatic composition comprises (a) at least one nonpolymeric ionic salt consisting of (i) at least one cation selected from the group consisting of monovalent metal cations, divalent metal cations, and organic onium cations, and (ii) at least one weakly coordinating anion, the conjugate acid of the anion having an acidity greater than or equal to that of a hydrocarbon sulfonic acid, and with the proviso that the anion is organic or fluoroorganic when the cation is a metal; (b) at least one fluorochemical repellency-imparting additive or repellent; and (c) at least one insulating material. The composition exhibits good antistatic and repellency characteristics.

Abstract: A water- and oil-repellent, antistatic composition comprises (a) at least one nonpolymeric ionic salt consisting of (i) at least one cation selected from the group consisting of monovalent metal cations, divalent metal cations, and organic onium cations, and (ii) at least one weakly coordinating anion, the conjugate acid of the anion having an acidity greater than or equal to that of a hydrocarbon sulfonic acid, and with the proviso that the anion is organic or fluoroorganic when the cation is a metal; (b) at least one fluorochemical repellency-imparting additive or repellent; and (c) at least one insulating material.

Abstract: Polypropylene fibers and devices that include a fatty acid monoglyceride added to the polypropylene as a melt additive are described. A hydrophilic enhancer material can be advantageously added to the polypropylene as a melt additive to enhance the hydrophilicity of the fibers and devices. An antimicrobial enhancer material can be added to the fibers to enhance the antimicrobial activity.

Abstract: An antistatic composition comprising (a) at least one polymeric salt consisting of (i) at least one polyoxyalkylene ammonium cation, and (ii) a fluorinated anion. The composition exhibits good antistatic characteristics.

Abstract: An antistatic composition comprises (a) at least one ionic salt consisting of a nonpolymeric nitrogen onium cation and a weakly coordinating fluoroorganic anion, the conjugate acid of the anion being a superacid; and (b) at least one thermoplastic polymer. The composition exhibits good antistatic performance over a wide range of humidity levels.