Abstract: Coating compositions, coated substrates, and methods of making a coated article are described. The coating composition comprises an organic solvent; a non-fluorinated polymeric binder; and a fluorochemical material. The fluorochemical material is preferably a compound having the formula: (Rf-L-P)nA, Rf is a fluorinated group; L is independently an organic divalent linking group; P is a catenary, divalent heteroatom-containing carbonyl moiety, such as —C(O)O—; A is hydrocarbon moiety; and n typically ranges from 1 to 3.

Abstract: For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.

Abstract: Presently described are components of a spray application system. At least one component comprises a liquid repellent surface layer. The liquid repellent surface (e.g. layer) may comprise a porous layer and a lubricant impregnated into pores of the porous layer; a fluoropolymer; a fluorochemical material and an organic polymeric binder; or a fluorochemical material melt additive and a thermoplastic polymeric material component. The component is typically a liquid reservoir, a liquid reservoir liner, a lid for a liquid reservoir or liner, or a combination thereof. In some embodiments, the component comprises a thermoplastic polymeric material. In some favored embodiments, the component is a removable liquid reservoir or liner. In some favored embodiments, the component is a collapsible liquid reservoir or liner. The spray application system typically further comprises a gravity-fed spray gun.

Abstract: Some aspects of the present disclosure feature a sensing device comprising a magnetic bias layer, a resonator, a spacer, and an environmental change receptor. The environmental change receptor is disposed on a surface of the resonator. The mass of the environmental change receptor is changed in response to a change in environment. The resonant frequency of the sensing device shifts in response to the mass change of the environmental change receptor.

Abstract: Retroreflective articles include transparent microspheres (120) protruding from a bead bond layer (140), with reflective metal layers (130) coated on a portion of the transparent microspheres. Retroreflective articles with anti-staining properties have bead bond layers that contain one or more corrosion inhibiting compounds. At least a portion of the one or more corrosion inhibiting compounds migrates through the reflective metal layer to passivate the exposed metal surface of the reflective metal layer.

Abstract: An electrical connector includes a contact for making electrical connection with a corresponding contact of a mating connector. The electrical connector further includes a carbon layer disposed on a contact surface of the contact. The carbon layer has a morphology comprising graphite platelets embedded in nano-crystalline carbon.

Abstract: For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.

Abstract: For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.

Abstract: Fluorochemical ester compositions comprising one or more compounds or oligomers having at least one long chain fluorine-containing repeatable unit and at least one fluorine-containing terminal group are described. The compositions are useful as coatings. The fluorochemical compositions impart oil and water repellency to the substrate. In other aspects, this invention relates to processes for imparting oil and water repellency characteristics to substrates and articles.

Abstract: For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.

Abstract: The present invention relates to fluorochemical polyurethane compounds, a method for their preparation, a method of application, and compositions comprising that fluorochemical polyurethane compound. The compound and the composition comprising that compound are suitable to impart durable oil- and water-repellency to substrates.

Abstract: Fluorochemical ester compositions comprising one or more compounds or oligomers having at least one long chain fluorine-containing repeatable unit and at least one fluorine-containing terminal group are described. The compositions are useful as coatings. The fluorochemical compositions impart oil and water repellency to the substrate. In other aspects, this invention relates to processes for imparting oil and water repellency characteristics to substrates and articles.

Abstract: The invention relates to articles such as protective films and displays having a fluorochemical surface layer comprising an antistatic agent and the reaction products of at least one fluoropolyether (meth)acryl compound and at least 50 wt-% of non-fluorinated crosslinking agent(s).

Abstract: Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain or soil repellent. The composition comprises a dispersion or a solution of a fluorinated compound which comprises the reaction product of the following combination of reactants: (i) a fluorinated polyether according to the formula: Rf—Q—Tk ??(I) ?wherein Rf represents a monovalent perfluorinated polyether group having a molecular weight of at least 750 g/mol, Q represents a chemical bond or a divalent or trivalent organic linking group, T represents a functional group capable of reacting with an isocyanate and k is 1 or 2; (ii) an isocyanate component selected from a polyisocyanate compound that has at least 3 isocyanate groups or a mixture of polyisocyanate compounds wherein the average number of isocyanate groups per molecule is more than 2; and (iii) optionally one or more co-reactants capable of reacting with an isocyanate group.

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: Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates.

Abstract: Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates.

Abstract: Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain or soil repellent.

Abstract: The present invention provides composition for treating a substrate comprising a homogeneous mixture of: (a) a fluorinated silane of the formula: Rff1-[-Q-SiY3-xR1x]y   (I) wherein Rf1 represents a monovalent or divalent perfluorinated group, Q represents an organic divalent linking group, R1 represents a C1-C4 alkyl group, Y represents a hydrolysable group; x is 0 or 1 and y is 1 or 2; (b) compressed fluid carbon dioxide; and (c) optionally an organic or inorganic acid. The invention further provides a method of making such a composition and the use thereof to treat substrates to render them oil and water repellent.

Abstract: The present invention relates to optical elements comprising fluorochemical surface treatments. The invention further relates to materials such as retroreflective sheetings, pavement markings and beaded projection screens comprising a binder and the surface treated optical elements. The fluorochemical surface treatment is substantially free of perfluoroalkyl groups having more than four carbon atoms. Preferably, the surface treatment is a polyfluoropolyether-based compound comprising at least one polar group or polar group-containing organic radical.