An optical device includes an overcoat layer on a surface-relief grating. The overcoat layer is formed by a process including: depositing a layer of a first resin material that is curable by heat or electromagnetic radiation on a surface-relief grating that includes a plurality of grating ridges and a plurality of grating grooves to at least partially fill the plurality of grating grooves, curing the layer of the first resin material, depositing a layer of a second resin material that is curable by heat or electromagnetic radiation and has a higher flowability than the first resin material on the layer of the first resin material, annealing the layer of the second resin material to allow the second resin material to flow and form a planar top surface, and curing the layer of the second resin material.

Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

A liquid-repellent structure includes a surface to which liquid repellency is to be imparted; a foundation layer having a surface and disposed to face the surface to which liquid repellency is to be imparted; and a liquid-repellent layer disposed to face the surface of the foundation layer, wherein the foundation layer contains an acid-modified polyolefin, the liquid-repellent layer contains a fluorine-containing resin and particles, and the fluorine-containing resin contains a hydrophilic structural unit having at least one of an amino group and an amide group. A packaging material has the liquid-repellent structure disposed to face a product. The packaging material can also be applied to a product that is a selected one of hand soap, body soap, shampoo, rinse, creams, and cosmetics and that contains a surfactant.

Provided is a CNT film coated substrate in which CNT is fixed to a substrate using a click reaction, so that a CNT film is uniformly formed with a high density and adhesive strength between the CNT film and the substrate is excellent to have high stability to water or an organic solvent. In the case of the conventional CNT film which was manufactured by spin coating, most of CNT was peeled off in a washing process, but in the case of the CNT film coated substrate according to the present invention, a high-density uniform CNT film coated substrate may be manufactured even after washing, and reproducibility between substrates may be secured.

An oxidation protection system disposed on a substrate is provided, which may comprise a boron layer comprising a boron compound disposed on the substrate; a silicon layer comprising a silicon compound disposed on the boron layer; and at least one sealing layer comprising monoaluminum phosphate and phosphoric acid disposed on the silicon layer.

Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

To provide a powder coating material composition capable of forming a fluororesin layer excellent in adhesion to a base material and having foaming or cracking suppressed even when the firing temperature is as high as at least 380° C.

A powder coating material composition comprising a resin powder with an average particle size of from 10 to 800 μm containing polymer A and heat stabilizer B, wherein the proportion of the heat stabilizer B to 100 parts by mass of the polymer A is from 0.01 to 30 parts by mass. Polymer A: A tetrafluoroethylene/perfluoro (alkyl vinyl ether) copolymer having at least one type of functional group selected from the group consisting of a carbonyl group-containing group, etc., or a tetrafluoroethylene/hexafluoropropylene copolymer, having the functional group, and having a melting point of from 260 to 320° C. Heat stabilizer B: A heat stabilizer selected from the group consisting of an aromatic polyether compound, an aromatic amine compound, an aromatic sulfur compound and a polysilane compound.

The present invention is directed towards a system for coating a substrate comprising an electrodepositable coating composition and a powder coating composition. Also disclosed are coated substrates comprising a first coating layer comprising an electrodepositable coating layer, and a second coating layer comprising a powder coating layer on at least a portion of the first coating layer, as well as methods of coating substrates.

The present application discloses a thermal insulation coating and a method for applying the same. Raw materials for preparing the thermal insulation coating includes PVDF resin, water-based epoxy resin solution, hollow glass microbead, ytterbium modified nano-powder, diluent, polyvinyl alcohol, titanium dioxide powder, rare earth, negative ion powder, and leveling agent.

Disclosed is a multi-layer body with high weathering resistance comprising (a) a substrate layer containing at least one thermoplastic polymer (b) one cover layer on at least one side of the substrate layer, characterized in that the substrate layer further contains: (a1) at 0.02 wt. % to 0.2 wt %, at least one colorant on the basis of anthraquinone of structure (1) or (2) with structure (1), R1 and R2 standing, independently of each other, for H, OH, OR5 NH2 and NHR5, R5 being selected from alkyl, cycloalkyl, phenyl and substituted and annulated phenyls, and R3 standing for H, alkyl, alkoxy, and R4 standing for H, OH and p-methylphenyl-NH—; and with structure (2): (a2) at 0.01 wt % to 1.00 wt. %, one or a plurality of demolders, and the cover layer consisting of a coating on the basis of polysiloxane or on the basis of polyacrylate or on the basis of polyurethane acrylate, containing at least one UV-absorber and having a layer thickness of 2-15 [mu]m.