The present disclosure relates to electrical windings for a dry transformer which allows construction of a compact dry transformer even in relatively high voltage classes. For this purpose, the electrical winding has multiple windings of a winding conductor wound to form a coil. The coil has been embedded into a solid insulation body. In some embodiments, a coating of an electrically conductive material, comprising a resin matrix with at least 0.05% by weight of nanoscale filler, has been applied to at least one surface of the insulation body.

A pre-lithiated film and a preparation method therefor and an application thereof. The pre-lithiated film comprises: a 1 μm-50 μm base film and a 0.02 μm-100 μm pre-lithiated coating coated on the base film; the pre-lithiated coating includes: 1 wt %-99.99 wt % of a pre-lithiated material, 0 wt %-98.99 wt % of a coating material, 0.01 wt %-10 wt % of a binder, 0 wt %-10 wt % of a conductive additive material, 0 wt %-2 wt % of a dispersing agent and 0 wt %-2 wt % of an aid. The pre-lithiated material is a material that can produce an electrochemical reaction to release lithium ions under voltage control. The pre-lithiated material specifically includes: Li.sub.xM1.sub.yA.sub.z, Li.sub.xM2.sub.y(PO.sub.4).sub.z, Li.sub.xM2.sub.y(SiO.sub.4).sub.z, Li.sub.2S, and LiM1.sub.yS.sub.z, wherein x, y and z are integers or non-integers and satisfy the balance of electrovalence of a chemical formula; M1 is one or a combination of a metallic element, a transition metal element, a rare earth element, an alkali metal, an IVA group element; M2 is one or a combination of a metal element, a transition metal element, a rare earth element, an alkali metal, and an IVA group element; and A is one or a combination of O, F, Cl, S and N elements.

A coating liquid includes: ultrafine zinc oxide particles; a polyester resin; an ammonium polycarboxylate salt; and water, in which an amount of the ammonium polycarboxylate salt is from 1 to 35 mass % with respect to that of the ultrafine zinc oxide particles.

The solid content contains a resin component (A) and a filler (B). The resin component (A) includes at least one of a fluorine-containing copolymer (a1) or a silicon-containing copolymer (a2). The fluorine-containing copolymer (a1) includes a fluorine-containing segment and an acrylic segment containing no fluorine or silicon. The silicon-containing copolymer (a2) includes a silicon-containing segment and an acrylic segment containing no fluorine or silicon. The filler (B) has a mean particle size falling within a range from 10 nm to 200 nm.

The present technology relates to a coating composition for paper making and to a method for manufacturing an eco-friendly type food wrapping paper with improved damp-proofing properties and blocking properties by using same. The water-dispersible coating composition for paper making of the present technology is a coating composition for paper making, which comprises an acrylic polymer resin and a pigment, the acrylic polymer resin containing an acrylate, the pigment containing at least one of clay, talc, and calcium carbonate, wherein the pigment has a particle diameter of 1800 nm or smaller, and is blended with the acrylate while the acrylate is used as a binder.

A colloidal structure includes a plurality of types of colloidal particles, and a matrix that fixes the colloidal particles. The plurality of types of the colloidal particles include at least first colloidal particles and second colloidal particles, which are different in average particle size from each other. Then, the plurality of types of the colloidal particles form a regular array in a matrix. A multi-colloidal structure includes a plurality of the colloidal structures. A method for producing a colloidal structure includes: a dispersion liquid preparation step of preparing a colloidal dispersion liquid by dispersing a plurality of types of colloidal particles together with a monomer; a coating film generation step of coating the colloidal dispersion liquid on a substrate, and generating a coating film; and a polymerization step of polymerizing the monomer in the coating film.

Described herein are coatings based on a hydrophobic polymer matrix and hydrophobic nanoparticles that provide a damage tolerant hydrophobic, superhydrophobic, and/or snowphobic capability, wherein the nanoparticles can comprise modified and phyllosilicate nanoclays. The micro and nano roughness of the composite surface is described. Methods of creating snow resistant materials by employing the aforementioned coatings are also described.

A dispersion comprising first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.

In a method for manufacturing core-shell particles including core particles and a shell, the constituent metal elements of the core particles and the shell are different from each other. A quinone-containing core particle dispersion containing at least core particles consisting of a first metal, hydroquinone (HQ), benzoquinone (BQ), and a second metal compound including a second metal element for making up the shell is prepared, and a reduction treatment is performed on the quinone-containing core particle dispersion, through addition of a reducing agent, to form a shell including the second metal element as a main constituent element, on the surface of the core particles. A mass ratio: HQ/BQ ratio of added hydroquinone (HQ) and benzoquinone (BQ) is 0.1 to 120.

An aqueous surface coating solution composition and a polyester film structure are provided. The aqueous surface coating solution composition includes 5-20 wt % of a resin composition and 0.15-5 wt % of an inorganic particle dispersion liquid. The resin composition includes 0.01-10 wt % of a polyester resin, 2-19 wt % of an acrylate-grafted polyurethane resin, and 0.5-10 wt % of a cross-linking agent. The inorganic particle dispersion liquid includes a plurality of first inorganic filling particles and a plurality of second inorganic filling particles, and the first inorganic filling particles have a larger average particle diameter than the second inorganic filling particles.