Abstract: A curable composition comprises (a) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydrosilyl moiety; (b) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydroxysilyl moiety, the hydroxysilyl moiety optionally being generated in situ by hydrolysis of at least one hydrosilyl moiety; and (c) at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; with the proviso that, when component (a) is an organic polymer, then component (b) is different from component (a) and is not generated in situ by hydrolysis of component (a).

Abstract: A curable composition comprises (a) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydroxysilyl moieties; (b) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydrosilyl moieties; and (c) at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; wherein at least one of the components (a) and (b) has an average reactive silane functionality of at least three.

Abstract: A process for preparing curable oligomeric and/or polymeric polysilazanes comprises (a) forming at least one dihalosilane-base adduct by reacting at least one dihalosilane with at least one base; (b) optionally, combining at least one dihalosilane-base adduct and at least one organodihalosilane; and (c) carrying out ammonolysis of at least one dihalosilane-base adduct or of the resulting combination of at least one dihalosilane-base adduct and at least one organodihalosilane; with the proviso that the base (1) is used for the dihalosilane-base adduct formation in a limited amount that is less than or equal to twice the stoichiometric amount of silicon-halogen bonds in the dihalosilane or (2) is used for the dihalosilane-base adduct formation in excess of this limited amount and, prior to the ammonolysis, the total amount of the resulting reacted and unreacted base is reduced to no more than this limited amount.

Abstract: A fluorinated bis(acyl-containing compound and a fluorinated polyester formed from the fluorinated diacyl are described. More particularly, the fluorinated diacyl has an aromatic ring bonded to two acyl groups plus at least one third group that contains a perfluoroalkylsulfonamido group. The fluorinated polyesters formed from the fluorinated diacyl-containing compound can be used to provide a low energy surface with a relatively low refractive index compared to many other polyesters.

Abstract: Method of treating a hydrocarbon-bearing formation having brine and treated hydrocarbon-bearing formations. The method includes contacting a hydrocarbon-bearing formation with a composition comprising solvent and a polymer. The polymer comprises divalent units represented by formula: (formula I); and a plurality of alkyleneoxy groups. In some embodiments, the solvent at least one of solubilizes or displaces the brine in the formation. In some embodiments, the solvent includes at least one of a polyol or polyol ether independently having from 2 to 25 carbon atoms and at least one of water, a monohydroxy alcohol, an ether, or a ketone, wherein the monohydroxy alcohol, the ether, and the ketone each independently have up to 4 carbon atoms. Hydrocarbon-bearing formations and proppants treated with the polymer are also disclosed.

Abstract: A fluorinated bis(acyl)-containing compound of Formula (I), where R1, Ar, L, R2, R3, Rf, n, p and q are as defined in the claims, and a fluorinated polyester formed from the fluorinated bis(acyl) compound are described. More particularly, the fluorinated bis(acyl) has an aromatic ring bonded to two acyl groups plus at least one third group that contains a perfluoroalkylsulfonamido group. The fluorinated polyesters formed from the fluorinated bis(acyl)-containing compound can be used to provide a low energy surface with a relatively low refractive index compared to many other polyesters. A method of preparing a monosubstituted-arylene compound of formula Rf1-L2-CH2—Ar2—CH2—W, where Ar2, Rf1, L2, R6 and W are as defined in the claims by reaction of a compound of formula Rf1-L2-H with a compound of formula W—CH2—Ar2—CH2—W.

Abstract: A method of treating a hydrocarbon-bearing formation and treated hydrocarbon-bearing formations. The method includes contacting the hydrocarbon-bearing formation with a composition having solvent and a fluorinated polymer. The fluorinated polymer has units having formula (I): A method for making a composition containing these units is also disclosed.

Abstract: A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear fully fluorinated alkylene group, Rf represents a linear fully fluorinated aliphatic group or a linear fully fluorinated aliphatic group interrupted with one oxygen atom, Xi+ represents a cation having the valence i and i is 1, 2 or 3; then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.

Abstract: A method of modifying a surface of a hydrocarbon-bearing formation is disclosed. The method includes contacting the surface of the hydrocarbon-bearing formation with a fluorinated amine, and the surface of the hydrocarbon-bearing formation includes a carbonate. The method can typically include introducing a treatment composition comprising solvent and at least one of the fluorinated amine or a salt thereof into the carbonate hydrocarbon-bearing formation. Hydrocarbon-bearing formations treated according to the method are also disclosed. Certain fluorinated amines useful for treating carbonate hydrocarbon-bearing formations and methods of making them are also disclosed.

Abstract: Copolymers containing at least one perfluoropolyether segment and at least one polydiorganosiloxane segments are described. The copolymers further contain multiple aminooxalylamino groups that link the various segments together. Methods of making the copolymers are also described.

Abstract: A process for preparing curable oligomeric and/or polymeric polysilazanes comprises (a) forming at least one dihalosilane-base adduct by reacting at least one dihalosilane with at least one base; (b) optionally, combining at least one dihalosilane-base adduct and at least one organodihalosilane; and (c) carrying out ammonolysis of at least one dihalosilane-base adduct or of the resulting combination of at least one dihalosilane-base adduct and at least one organodihalosilane; with the proviso that the base (1) is used for the dihalosilane-base adduct formation in a limited amount that is less than or equal to twice the stoichiometric amount of silicon-halogen bonds in the dihalosilane or (2) is used for the dihalosilane-base adduct formation in excess of this limited amount and, prior to the ammonolysis, the total amount of the resulting reacted and unreacted base is reduced to no more than this limited amount.

Abstract: A curable composition comprises (a) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydrosilyl moiety; (b) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydroxysilyl moiety, the hydroxysilyl moiety optionally being generated in situ by hydrolysis of at least one hydrosilyl moiety; and (c) at least one photoactivatable composition that, upon exposure to radiation, generates at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; with the proviso that, when component (a) is an organic polymer, then component (b) is different from component (a) and is not generated in situ by hydrolysis of component (a).

Abstract: A curable composition comprises (a) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydroxysilyl moieties; (b) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydrosilyl moieties; and (c) at least one photoactivatable composition that, upon exposure to radiation, generates at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; wherein at least one of the components (a) and (b) has an average reactive silane functionality of at least three.

Abstract: A curable composition comprises (a) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydroxysilyl moieties; (b) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydrosilyl moieties; and (c) at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; wherein at least one of the components (a) and (b) has an average reactive silane functionality of at least three.

Abstract: A curable composition comprises (a) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydrosilyl moiety; (b) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydroxysilyl moiety, the hydroxysilyl moiety optionally being generated in situ by hydrolysis of at least one hydrosilyl moiety; and (c) at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; with the proviso that, when component (a) is an organic polymer, then component (b) is different from component (a) and is not generated in situ by hydrolysis of component (a).

Abstract: Fluorinated polymers having first divalent units represented by formula, and a plurality of groups of formula —CH2—CH2—O—. Compositions containing the fluorinated polymer and solvent, and methods of treating hydrocarbon-bearing formations using these compositions are disclosed. A method of making a composition containing the fluorinated polymer is also disclosed.

Abstract: Amino-containing materials can be attached to polymeric materials having a pendant amine capture group that includes a fluoroalkoxycarbonyl group. An amino-containing material can react with the pendant amine capture group by a nucleophilic substitution reaction. The product of the reaction is an alcohol and a pendant group that contains a carbonylimino group. The reaction results in the connection of the amino-containing material to the polymeric material. The polymeric materials are often disposed on a surface of a substrate and the connection of the amino-containing material to the polymeric material results in the immobilization of the amino-containing material on the substrate.

Abstract: A surface treatment process comprises (a) providing at least one substrate having at least one major surface; (b) combining (1) at least one curable oligomeric or polymeric polysilazane comprising at least one chemically reactive site, and (2) at least one fluorochemical compound comprising (i) at least one organofluorine or heteroorganofluorine moiety that comprises at least about six perfluorinated carbon atoms, and (ii) at least one functional group that is capable of reacting with the polysilazane through at least one of the chemically reactive sites; (c) allowing or inducing the polysilazane and the fluorochemical compound to react to form at least one curable organofluorine-modified polysilazane; (d) applying the curable organofluorine-modified polysilazane or its precursors to at least a portion of at least one major surface of the substrate; and (e) curing the curable organofluorine-modified polysilazane to form a surface treatment.

Abstract: A composition for preparing curable organofluorine-modified polysilazanes comprises (a) at least one curable oligomeric or polymeric polysilazane comprising at least one chemically reactive site; and (b) at least one fluorochemical compound comprising (1) at least one organofluorine or heteroorganofluorine moiety, and (2) at least one functional group that is capable of reacting with the curable oligomeric or polymeric polysilazane through at least one of the chemically reactive sites of the polysilazane. The curable organofluorine-modified polysilazanes can be prepared by combining the components of the composition and allowing or inducing the components to react.

Abstract: Compounds containing at least one perfluoropolyether segment and at least two oxalylamino groups as well as methods of making these compounds are described. The compounds can be polymeric materials or can be used in the preparation of various copolymeric materials by reaction with compounds having at least two primary or secondary amino groups.