An amphiphobic coating is provided. The amphiphobic coating comprises a polymeric substrate having an oxygen plasma-treated surface; a silicon dioxide layer comprising silicon dioxide nanoparticles disposed directly on the oxygen plasma-treated surface; and a fluoroalkylsilane layer disposed directly on the silicon dioxide layer. Method of preparing an amphiphobic coating and use thereof are also provided.

The present invention provides treated gravel pack screens comprising a metal surface and a hydrophobic surface layer applied thereto, directly or through an intermediate layer. The surface layer comprises a self-assembled monolayer prepared from a fluorinated material having the structure: ##STR00001##
wherein A is an oxygen radical or a chemical bond; n is 1 to 20; Y is H, F, C.sub.nH.sub.2n+1 or C.sub.nF.sub.2n+1; X is H or F; b is at least 1, m is 0 to 50, p is 1 to 20, and Z is an acid group or an acid derivative. Also provided is a method of reducing deposition of a contaminant on a metal surface of a gravel pack screen, comprising: contacting the surface with the above fluorinated material in a diluent, directly or through an intermediate layer; forming a hydrophobic surface layer on the surface; and introducing a fluid through the gravel pack screen.

Disclosed are an anti-condensation composition, an anti-condensation liquid cooling plate, a preparation method and application thereof, the composition includes Component A and Component B, and a mass ratio of Component A to Component B is 100:100-103. Specifically, Component A is composed of the following components in parts by weight: 1-2 parts of melamine polyol, 25-30 parts of polyester polyol, 20-25 parts of fire-retardant polyester polyol; 5-10 parts of polyol used as a crosslinking agent; 15-20 parts of a fire retardant; 3-5 parts of a catalyst; 0.9-1.2 parts of silicone; 0.4-0.6 part of water; 8-12 parts of a foaming agent; 0.5-1 part of an auxiliary agent; 0.5-1 part of color paste; and Component B is isocyanate. The liquid cooling plate includes a liquid cooling plate substrate and anti-condensation material prepared by the anti-condensation composition. The anti-condensation composition can be applied to energy storage devices and new energy vehicles.

An encapsulation and methods for encapsulating a UV-curable resin-filler system content containing optical agents and delivering to a substrate an encapsulated UV-curable resin-filler system containing optical agents, to form a UV-curable and UV-cured layer that can be an ultrathin layer comprising an optical agent mixture released from ruptured encapsulations.

A substrate is provided. The substrate includes a base substrate; a modifying agent layer on the base substrate; and a plurality of quantum dots layers on a side of the modifying agent layer away from the base substrate. The plurality of quantum dots layers include quantum dots blocks in block regions, respectively. The modifying agent layer has a first property in regions outside the block regions, and has a second property in the block regions. The first property is selected from hydrophilic, oleophilic, and hydro-oleophobic. The second property being selected from hydrophilic and oleophilic.

A treated measurement devices comprises an interior surface and a fluoropolymer coating layer applied thereto, demonstrating a hexadecane contact angle greater than 50 degrees. Methods of reducing deposition of hydrocarbon contaminants on a surface of a measurement device, comprises: contacting the surface with a coating composition comprising a fluoropolymer; forming a fluoropolymer coating layer demonstrating a hexadecane contact angle greater than 50 degrees on the surface; and contacting a fluid containing the hydrocarbon contaminants with the fluoropolymer coating layer. An alternative method comprises: contacting the surface either directly, or through an intermediate organometallic layer, with a fluorinated material in a diluent; forming a self-assembled monolayer on the surface; contacting the self-assembled monolayer with a coating composition comprising a fluoropolymer; forming a fluoropolymer coating layer on the self-assembled monolayer; and contacting a fluid containing the hydrocarbon contaminants with the fluoropolymer coating layer.

A compound of formula (I) having the structure shown below: ##STR00001## wherein R.sup.B, R.sup.F1, R.sup.A1, X.sup.a and X.sup.b are as defined herein.

A polymerizable quaternary ammonium compound (QAC) including an acrylate group and a cationic group is provided. Specifically, the acrylate group is capable of polymerization so as to integrate the QAC into a macromolecular chain of a polymer through an addition polymerization for introducing antimicrobial and antiviral activities. For instance, the polymerizable QAC can be polymerized with a vinyl group monomer, an acrylate monomer, a silane monomer, an adhesion monomer and an emulsification monomer to form a synthesized polymer emulsion. The polymer emulsion can be further incorporated into a coating material to provide a transparent, water resistant, antimicrobial and antiviral waterborne coating on a substrate's surface.

Integrated devices including substrates with sample wells having modified surfaces are provided. An integrated device includes a substrate with a sample well having a metal oxide surface and a silica surface, a coating layer on the metal oxide surface formed by an amphipathic reagent attached to a polymeric compound, an antifouling overlay on the coating layer formed by a block copolymer, and a functionalizing agent bound to the silica surface.

Coated oil or gas operation components include: (a) a substrate with a surface having reactive functional groups; (b) a polymerization initiator chemically bonded to at least one surface of the substrate via reaction with the reactive functional groups on the surface of the substrate; and (c) a polymeric coating layer that demonstrates hydrophilicity. The polymeric coating layer is prepared by a radical polymerization process from a monomer composition comprising at least one free radical polymerizable monomer having at least one hydrophilic functional group, such as a (meth)acrylamide group. The polymeric coating layer is chemically bonded to and propagated from the polymerization initiator. Also provided are methods of inhibiting fouling of an oil or gas operation component by an organic or inorganic contaminant.