Abstract: The process includes applying a first composition on at least the portion of a siliceous substrate and subsequently applying a second composition on at least a portion of the first composition. The first composition includes an amine-reactive organosilane compound that is at least partially hydrolyzed. The second coating composition includes at least one of an amino-functional silane or cyclic azasilane and a condensation-curable polyorganosiloxane having divalent units represented by formula (I). The use of the first composition to improve the durability of the second composition, a kit including the first composition and the second composition, and a coated article made by the process are also described.

Abstract: An abrasive article includes backing material, binder comprising an anionic water solubilizing material provided on at least a portion of the backing material and abrasive particles provided on at least a portion of the backing material. A method of making such an abrasive article comprises the steps of providing a backing material, applying a first binder containing an anionic water solubilizing material to the backing material, and applying abrasive particles to the backing material.

Abstract: The composition includes a polyorganosiloxane and an amino-functional silane. The polyorganosiloxane has divalent units represented by Formula (I) and greater than two —Si(Y)p(R)3-P groups, in which each R is a non-hydrolyzable group; each Y is a hydrolysable group; and p is 1, 2, or 3. The composition further includes an amino-functional silane represented by (R6)2N—[R4—Z]r—R4—[Si(Y)p(R5)3-P] or a cyclic azasilane of Formula (II). Each R4 is a linking group; each R5 is a non-hydrolyzable group; each Z is —O— or —N(R6)—; each R6 is hydrogen, alkyl, aryl, arylalkylenyl, or —R4—[Si(Y)p(R5)3-P]; R7 is a linking group that can have at least one catenated —N(R8)—; each R8 is hydrogen, alkyl, or alkenyl, which may be substituted by an amino group; each Y is a hydrolyzable group; r is 0, 1, 2, or 3; and p is 1, 2, or 3. A method of using the composition to make a coated article is also described.

Abstract: A nanostructured article includes a substrate; a plurality of first nanostructures disposed on, and extending away from, the substrate; and a covalently crosslinked fluorinated polymeric layer disposed on the plurality of first nanostructures. The plurality of first nanostructures includes polyurethane. The polymeric layer at least partially fills spaces between the first nanostructures to an average minimum height above the substrate of at least 30 nm such that the polymeric layer has a nanostructured surface defined by, and facing away from, the plurality of first nanostructures.

Abstract: A curable composition including: at least one polyorganosiloxane including at least one hydrosilyl moiety (in certain embodiments, two different polyorganosiloxanes); at least one silane including hydrolyzable functionality; and at least one base selected from an amidine, a guanidine, a phosphazene, a proazaphosphatrane, and a combination thereof; a method of coating such curable composition; and an article having a substrate surface with a coating formed from such method.

Abstract: A vehicle sensor system is described comprising an exterior surface; and a repellent composition disposed on the exterior surface, wherein the repellent composition exhibits an increase in haze according to the Dirty Water Spray Test of less than 5, 4, 3, or 2%. In typical embodiments, the repellent composition exhibits an advancing water contact angle from 90° to 125°. In some embodiments, the sensor system comprises a camera, a laser, a LIDAR sensor, a sonar sensor, or a radar sensor. The exterior surface is typically a windshield surface, a protective housing, or a lens surface. In some favored embodiments, the repellent composition exhibits a roll-off angle of no greater than 25, 20, 15, 10 or 5 degrees.

Abstract: An abrasive article having a removable support sheet having a first major surface. An image layer containing inks applied over the first major surface. A polyurethane backing layer having a first major backing surface located adjacent to the image layer and a second major backing surface opposite the first major surface. A functional layer comprising an abrasive layer applied to the second major surface; the abrasive layer comprising a make coat, abrasive particles and a size coat.

Abstract: Described herein is a coating composition comprising: (a) a zwitterionic compound comprising (i) sulfonate-functional groups and (ii) alkoxysilane groups and/or silanol-functional groups; (b) an acid-catalyzed hydrolysis product of an alkoxylsilane, wherein the acid-catalyzed hydrolysis product of an alkoxylsilane comprises at least one (i) (RO)(4-a)Si(OH)a where R is a monovalent hydrocarbon group and a is an integer from 1 to 4; or (ii) an alkanol silicate acid oligomer; (c) a water-miscible organic solvent; and (d) water, along with articles thereof and methods of making the same.

Abstract: An abrasive article includes backing material, binder comprising an anionic water solubilizing material provided on at least a portion of the backing material and abrasive particles provided on at least a portion of the backing material. A method of making such an abrasive article comprises the steps of providing a backing material, applying a first binder containing an anionic water solubilizing material to the backing material, and applying abrasive particles to the backing material.

Abstract: Presently describes are articles, such as liquid reservoirs, comprising a liquid repellent surface. The liquid repellent surface comprises a surface layer comprising a silane or siloxane material, wherein the liquid repellent surface is not a lubricant impregnated surface. In one embodiment, the liquid repellent surface (e.g. layer) comprise a silicone melt additive and a thermoplastic polymeric material component. In some embodiments, the article (e.g. liquid reservoir) comprise a thermoplastic polymeric material.

Abstract: A vehicle sensor system comprising an exterior surface and a polymeric film on the exterior surface. The polymeric film has a first surface opposite the exterior surface, and the first surface is either hydrophobic or hydrophilic.

Abstract: The compositions include a methylated siloxane liquid and a solvent comprising at least one of a ketone or ester each having up to six carbon atoms, a halogenated alkane having up to two carbon atoms, tetrachloroethene, 1-chloro-4-trifluoromethyl benzene, or ethane. The compositions can also include hydrocarbon solvent comprising at least one of toluene, xylene, or a saturated hydrocarbon represented by formula CxH2x+y, wherein x is from 5 to 8, and wherein y is 0 or 2 and/or propellant. The method can include applying the composition to a brake system component to clean the brake system component. The method can also include applying a composition including hexamethyldisiloxane to a brake system component to clean the brake system component.

Abstract: The compositions include a methylated siloxane liquid and a solvent comprising at least one of a ketone or ester each having up to six carbon atoms, a halogenated alkane having up to two carbon atoms, tetrachloroethene, 1-chloro-4-trifluoromethyl benzene, or ethane. The compositions can also include hydrocarbon solvent comprising at least one of toluene, xylene, or a saturated hydrocarbon represented by formula CxH2x+y, wherein x is from 5 to 8, and wherein y is 0 or 2 and/or propellant. The method can include applying the composition to a brake system component to clean the brake system component. The method can also include applying a composition including hexamethyldisiloxane to a brake system component to clean the brake system component.

Abstract: A method of making a silyl-terminated polyurethane in an aqueous dispersion aqueous silyl-terminated polyurethane dispersions are described. In one embodiment, the polyurethane comprises a) urethane moieties derived from the reaction of a (i) a diol; (ii) a neutralized anionic water solubilizing compound; and iii) a diisocyanate. The polyurethane also comprises b) silyl terminal groups derived from an alkoxy silane compound having the formula (R3O)3SiR4—Z, wherein R3 is independently hydrogen or a C1-C4 alkyl; R4 is a divalent group selected from alkylene, alkylarylene, oxyalkylene; and Z is selected from the group consisting of —OH, —SH, —NR, —NH2, wherein R is an aromatic or aliphatic cyclic group. The polyurethane also comprises c) urea moieties derived from the reaction of an isocyanate terminated prepolymer and a difunctional hydrazine or hydrazide compound.

Abstract: The present invention generally relates to polymeric surface coatings, and in particular polymeric coatings which are readily peelable and provide a surface protection function from contamination and physical scratching, as well as providing easy identifiability.

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) comprises a siloxane material. 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. Also described are spray application systems, methods of using a spray application system, as well as methods of making a component of a spray application system wherein the component has a liquid repellent surface.

Abstract: Presently describes are articles, such as liquid reservoirs, comprising a liquid repellent surface. The liquid repellent surface comprises a surface layer comprising a silane or siloxane material, wherein the liquid repellent surface is not a lubricant impregnated surface. In one embodiment, the liquid repellent surface (e.g. layer) comprise a silicone melt additive and a thermoplastic polymeric material component. In some embodiments, the article (e.g. liquid reservoir) comprise a thermoplastic polymeric material.

Abstract: Provided are one-part, shelf-stable polyurethane aerosol compositions, and related articles and methods. When sprayed onto a substrate and dried, these compositions provide polyurethane films. These polyurethane films display improved moisture resistance, optical clarity, and weatherability compared to known aerosol compositions, particularly in adverse environmental conditions. The compositions generally include an aqueous polyurethane dispersion containing a urethane moiety obtained by reacting (i) a polyol or thiol having isocyanate-reactive functional groups, (ii) a neutralized water-solubilizing compound, and (iii) a diisocyanate and optionally a silane terminal group; a propellant; and optionally one or more additives.

Abstract: Provided are one-part, shelf-stable polyurethane aerosol compositions, and related articles and methods. When sprayed onto a substrate and dried, these compositions provide polyurethane films. These polyurethane films display improved moisture resistance, optical clarity, and weatherability compared to known aerosol compositions, particularly in adverse environmental conditions. The compositions generally include an aqueous polyurethane dispersion containing a urethane moiety obtained by reacting (i) a polyol or thiol having isocyanate-reactive functional groups, (ii) a neutralized water-solubilizing compound, and (iii) a diisocyanate and optionally a silane terminal group; a propellant; and optionally one or more additives.

Abstract: A method of making a silyl-terminated polyurethane in an aqueous dispersion aqueous silyl-terminated polyurethane dispersions are described. In one embodiment, the polyurethane comprises a) urethane moieties derived from the reaction of a (i) a diol; (ii) a neutralized anionic water solubilizing compound; and iii) a diisocyanate. The polyurethane also comprises b) silyl terminal groups derived from an alkoxy silane compound having the formula (R3O)3SiR4—Z, wherein R3 is independently hydrogen or a C1-C4 alkyl; R4 is a divalent group selected from alkylene, alkylarylene, oxyalkylene; and Z is selected from the group consisting of —OH, —SH, —NR, —NH2, wherein R is an aromatic or aliphatic cyclic group. The polyurethane also comprises c) urea moieties derived from the reaction of an isocyanate terminated prepolymer and a difunctional hydrazine or hydrazide compound.