A method of making a silver-silicalite coating on a surface of a stainless-steel substrate is provided. The method includes mixing metakaolin with an aqueous solution of NaOH to form a first mixture. The method further includes mixing silica gel and silver nitrate with the first mixture to form a second mixture. Furthermore, the method includes mixing Zeolites Socony Mobil-5 (ZSM-5) with the second mixture to form a third mixture. The method further includes hydrothermally treating the stainless-steel substrate with the third mixture to form the silver-silicalite coating on the surface of the stainless-steel substrate. The hydrothermal treatment is carried out in the absence of an organic template. The stainless-steel substrate coated with the silver-silicalite coating, prepared by the method of the present disclosure, has lower corrosion in comparison to the same stainless-steel substrate without the silver-silicalite coating.

Provided is a coated steel sheet having excellent press formability. The coated steel sheet includes a base steel sheet and, on at least one side of the base steel sheet, a film containing organic resin and wax. The organic resin is at least one selected from the group consisting of acrylic resins, epoxy resins, urethane resins, phenolic resins, vinyl acetate resins, and polyester resins. The wax is polyolefin wax having a melting point that is 100 C. or more and 145 C. or less and an average particle size that is 3.0 m or less. The film has a specified distribution of the wax. coating weight of the film per side is 0.3 g/m.sup.2 or more.

According to an example aspect of the present invention, there is provided a method of preparing a transparent varnish composition. The method comprises the steps of providing a binder, adding to the binder 1 to 40 wt % precipitated calcium carbonate particles by weight of the composition, wherein the precipitated calcium carbonate particles have an average D.sub.50 particle size of 60 to 120 nm measured by dynamic light scattering, fewer than 10% of the precipitated calcium carbonate particles by volume of the total precipitated calcium carbonate particles have a particles size of 75 nm or less, fewer than 10% of the precipitated calcium carbonate particles by volume of the total precipitated calcium carbonate particles have a particles size of 110 nm or more, the steepness of the particle size distribution is in the range of 1.3-1.55, and dispersing the precipitated calcium carbonate in the composition.

An aqueous coating composition for an automotive exterior, containing resin particles (A), a crosslinking agent (B), a pigment (C), and a nanocellulose (D), wherein a content of the nanocellulose (D) is 0.5 to 2.0 parts by mass in terms of solid content with respect to 100 parts by mass of a resin solid content in the coating, a solid content concentration of the coating composition is in a range from 45 to 65 mass %, and a viscosity is in a range from 350 to 1200 mPa.Math.s. Also, an automobile coated with the aqueous coating composition, a method of forming a coating film using the aqueous coating composition, and a method of forming a multilayer coating film comprising applying the aqueous coating composition on an object, applying an aqueous second colored coating composition thereon, then applying a clearcoat coating composition thereon, and simultaneously heat-curing the compositions.

There is provided a water-based alkaline composition for forming an insulating layer of an annealing separator on a soft magnetic alloy, this composition comprising ceramic particles with a particle size of less than 0.5 m and at least one polymer dispersion as a binding agent, the polymer dispersion comprising one or more mixed polymerisates from the group made up of acrylate polymers, methacrylate polymers, polyvinyl acetate, polystyrene, polyurethane, polyvinyl alcohol, hydroxylated cellulose ether, polyvinyl pyrrolidone, and polyvinyl butyral, and having a pH value of between 8 and 12, preferably between 9 and 11.

Disclosed is a conductive polymer composite according to various embodiments of the present invention in order to implement the above-described object. The conductive polymer composite may include a polymer adhesive which includes a curable polymer and a curing agent, a conductive filler made of a metal having electrical properties, and a substituting agent configured to substitute for or remove a lubricant layer applied on the conductive filler.

The present invention relates to compositions, comprising silver nanoplatelets, wherein the number mean diameter of the silver nanoplatelets, present in the composition, is in the range of 50 to 150 nm with standard deviation being less than 60% and the number mean thickness of the silver nanoplatelets, present in the composition, is in the range of 5 to 30 nm with standard deviation being less than 50%, wherein the mean aspect ratio of the silver nanoplatelets is higher than 2.0 and the highest wavelength absorption maximum of the population of all silver nanoplatelets in the composition being within the range of 560 to 800 nm. A coating, comprising the composition, shows a blue color in transmission and a metallic yellow color in reflection.

An assembly including at least one circular polycrystalline colloidal monolayer tethered on a solid substrate; the at least one circular polycrystalline colloidal monolayer including at least one type of uniformly sized particles arranged into juxtaposed single-crystal domains which emit domain-specific structural colors when irradiated by a while light source. A method for preparing said assembly, as well as to the use of the assembly for labelling a good of interest, by direct deposition or by transfer preferably into a polymeric film.

A coating composition has 5-15% by weight of a polymeric binder selected from a polyester polyol, an acrylic polyol, an epoxy, silicone, a silicone hybrid and a fluoropolymer. The composition has 20-40% by weight of microparticles, where the microparticles are made of a polyamide, a polyethylene, a polypropylene, a polyurea, a polyurethane, a polymethyl methacrylate, a polystyrene or mixtures thereof and the microparticles have a mean particle diameter d.sub.50 size ranging from 5 m to 60 m. The composition has 2-12% by weight of nanoparticles, said nanoparticles are made of inorganic oxides with a primary particle size ranging from 5 nm to 50 nm; 0-15% by weight of a crosslinker having reactivity to the polymeric binder; 0-20% by weight of pigments and/or fillers, and 40-80% by weight of an organic solvent.

According to an aspect of the present disclosure, a heat-resistant coating composition includes: an inorganic filler which is iron (Fe)-based amorphous alloy powder having an amorphous phase and an average particle diameter of 0.5 m to 15 m; and a binder, where the coefficient of thermal expansion of the inorganic filler is lower than the coefficient of thermal expansion of the binder.