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 curable coating composition precursor comprising: (a) a first part (A) comprising (i) at least one amine epoxy curing agent based on a phenolic lipid, and (ii) inorganic microspheres; and (b) a second part (B) comprising (i) at least one epoxy resin, (ii) optionally, at least one reactive diluent, (iii) at least one epoxy reactive flexibilizer, and (iv) inorganic microspheres. The curable coating composition precursor comprises at least one fire retardant compound in part (A) and/or part (B), and the curable coating composition obtained by combining part (A) and part (B) has a density of less than 0.7 g/cm.sup.3.

Embodiments of the present disclosure generally relate to apparatus and methods for manufacturing continuous sucker rods with protective coatings. One embodiment provides a coating system including a first drive station disposed on a first end of a coating line, a second drive station disposed on a second end of the coating line to move a continuous sucker rod along the coating line from the first drive station to the second drive station, a heater disposed along the coating line, and a first coating station disposed along the coating line.

A method of manufacturing a bi-layered coating is provided, which includes applying a primer paint on a substrate, wherein the primer paint includes 100 parts by weight of a first polyvinyl fluoride, 20 to 50 parts by weight of an assistance resin, and 150 to 170 parts by weight of a first latent solvent, and wherein the assistance resin is polyester modified epoxy resin, polyester type polyurethane resin, phenoxy resin, or a combination thereof. The primer paint is baked and dried to form a primer coating. A finish paint is then applied onto the primer coating, wherein the finish paint includes 100 parts by weight of a second polyvinyl fluoride and 120 to 150 parts by weight of a second latent solvent. The finish paint is baked and dried to form a finish coating on the primer coating.

To provide a repairing method, by which a coated article having high adhesion between a PVDF coating film and a repair coating film and favorable processability of the repair coating film can be obtained, and a repaired coated article.

A method for repairing a first coating film, which comprises applying a second coating material (repairing coating material) to a position to be repaired of a first coating film (PVDF coating film) formed by applying a first coating material to the surface of a substrate, to form a second coating film (repair coating film) thereby to repair the first coating film,

wherein the first coating material is a powder coating material containing PVDF (A) and a resin (B), wherein the second coating material is a coating material containing a fluororesin (L) and a titanium oxide pigment (M), and wherein the content of the titanium oxide pigment (M) is from 15 to 190 parts by mass per 100 parts by mass of the fluororesin (L).

A method and product for creating a customizable fabric for specific end-use composites is provided. This method includes creating a three-dimensional matrix on woven fabrics, such as glass or carbon fiber fabrics via the addition of nanoparticles and a coupling agent; and, attaching a functional group compatible to specific resins dependent upon end use. The resulting product is a resin-free fabric with specific functional groups attached, ready to receive a particular polymer resin. Alternatively, the process may continue through to the addition of a polymer resin, resulting in a completed composite product.

This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

D1.sub.97.5/T≦0.9

Ru≦1.2T

R≧1.0

0.5≦D2.sub.97.5/T≦7.0

3≦T≦40.

This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

D1.sub.97.5/T≦0.9

Ru≦1.2T

R≧1.0

0.5≦D2.sub.97.5/T≦7.0

3≦T≦40.

A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.

A method of making a thermal control coating is provided. A primer layer can be applied to a substrate to form an exposed surface. The primer layer can include an epoxy binder and a silica filler. The exposed surface can be treated with an oxygen plasma to form a treated surface. A silicate-based thermal control coating can be applied to the treated surface, for example, by spraying, to form a thermal control coating on the substrate. Spacecraft and spacecraft hardware components coated with the thermal control coating, are also provided.