An antibacterial coated product includes, on a base material, a coating film of an antibacterial coating material that contains at least composite ceramic powders containing a photocatalytic component, adsorbent component, and metal component, and a binder, wherein the antibacterial activity (JIS Z 2801: 2010) of the coating film is 2.0 or higher and the requirement(s) of (1) and/or (2) below is/are satisfied: (1) with respect to the composite ceramic powder in the antibacterial coating material, the volume average dispersed particle diameter (D.sub.50) is 250 nm or smaller, and the ratio of the 90% cumulative volume particle diameter (D.sub.90) and the volume average dispersed particle diameter (D.sub.50), or D.sub.90/D.sub.50, is 1.5 or lower; and (2) the thickness of the coating film is 80 ?m or smaller and the haze (JIS K 7136: 2000) of the antibacterial coated product or coating film is 25 or lower.

The invention is directed to a method for manufacturing a hardcoat film including a hardcoat layer having a surface of which a water contact angle is 65 or less by applying, drying, and curing a composition for forming the hardcoat layer on a base material film, in which the composition for forming the hardcoat layer contains the components (a) to (d) as defined herein, and, in a case in which a total solid content of the composition for forming the hardcoat layer is set to 100% by mass, a content of the component (b) is 40% to 80% by mass, a content of the component (c) is 10% to 40% by mass, and a content of the component (d) is 10% to 40% by mass.

The present invention describes a pigment dispersion and a printing ink and coating employing the pigment dispersion. The pigment dispersion includes a pigment, binder and solvent. The pigment dispersion has a mean particle size less than about 120 nm. The printing ink or coating includes the pigment dispersion in addition to a solvent. The printing ink or coating has a solid binder to pigment ratio greater than about 1.5.

A waterborne coating consists in an ink-absorbing spheres emulsion containing acrylate micro-sphere formed with a hollow chamber, an inorganic ink-absorbing material worked with the ink-absorbing spheres emulsion together for use in absorbing ink, a waterborne acrylate emulsion containing a low-Tg acrylate monomer liquid to fix the inorganic ink-absorbing material, and a waterborne crosslinker having two or more reactive functional groups to bridge with carboxyl monomers; and particularly the waterborne coating is coated onto synthetic paper as a surface coating to endow the synthetic paper with good printability, coating adhesion, water resistance, scrape resistance and solvent resistance.

In one aspect of the present disclosure, there is provided an antireflective coating composition comprising (a) hydrophilic spherical silica nanoparticles; (b) hydrophilic elongated silica nanoparticles, wherein the coating composition exhibits a pH-value in the range of from 7 to 12.5 and the ratio between the hydrophilic spherical silica nanoparticles (a) and the hydrophilic nonspherical silica nanoparticles (b) is in the range of from 10:1 to 1:10. In a further aspect of the present disclosure there is provided a method for coating a substrate, comprising the steps (i) providing a substrate having at least one surface; (ii) providing the antireflective coating composition according to the present disclosure; (iii) coating the substrate on at least one surface; (iv) drying the coating, thereby obtaining a coated substrate, wherein step (iv) is carried out at a temperature in the range of from 5 C. to 300 C.

An antibacterial spectacle part comprises a spectacle part, and a film formed on at least one surface of the spectacle part. The film is formed by a self-polymerization reaction of dopamine, and comprises a plurality of silver nano particles deposited on a surface of the film away from the spectacle part. The disclosure also provides an antibacterial treatment method.

The instant invention provides a coating composition, a process of making a coating composition, a coated article, and a method of forming such articles.

The coating composition according to the present invention comprises a dispersion comprising: (a) a core comprising a base polymer; (b) a shell at least partially surrounding said core, wherein said shell comprising a polar polymeric stabilizing agent; and (c) one or more hydrophobic particulate fillers embedded at least partially in said shell.

The process for making a coating composition according to the present invention comprises the steps of: (1) selecting a base polymer; (2) selecting a polar polymeric stabilizing agent; (3) selecting one or more hydrophobic particulate fillers; (4) melt-blending said base polymer, said polar polymeric stabilizing agent, and said one or more hydrophobic particulate fillers; (4) contacting said melt-blended base polymer, polar polymeric stabilizing agent and one or more hydrophobic particulate fillers with water and optionally in the presence of a neutralizing agent; (5) thereby forming said dispersion comprising: (a) a core comprising said base polymer; (b) a shell at least partially surrounding said core, wherein said shell comprising said polar polymeric stabilizing agent; and (c) said one or more hydrophobic particulate fillers embedded at least partially in said shell.

The coated article according to the present invention comprises: a substrate comprising cellulose base material; and a dispersion on at least one surface of said substrate, wherein said dispersion comprises: (a) a core comprising a base polymer; (b) a shell at least partially surrounding said core, wherein said shell comprising a polar polymeric stabilizing agent; and (c) one or more hydrophobic particulate fillers embedded at least partially in said shell.

The method of making a coated article according to the present invention comprises the steps of: (1) providing a substrate comprising cellulose base material (2) providing a coating composition comprising a dispersion comprising: (a) a core comprising a base polymer; (b) a shell at least partially surrounding said core, wherein said shell comprising a polar polymeric stabilizing agent; and (c) one or more hydrophobic particulate fillers embedded at least partially in said shell; (3) applying said coating composition to at least one surface of said substrate; and (4) thereby making said coated article.

Silica based compositions that may be used coatings, films or other cast structures, as well as related methods and resulting structures are provided. In one embodiment, a hybrid nanosilica (HNS) composition includes tetraethylorthosilicate (TEOS), methyl triethoxysilane (MTEOS) and glycidoxypropyltrimethoxysilane (GPTMS). The composition may be used as a coating to provide various types of protection and device performance enhancement. For example, the composition may be used for impact protection or corrosion resistance. In one particular embodiment, optically enhancing nanoparticles may be dispersed throughout the HNS material and used as an antireflective coating (ARC) for various optical purposes.

A coating agent composition of the present invention contains photocatalyst particles composed of metal oxide in which an upper end potential of a valence band is 3 V (vs SHE) or more and a lower end potential of a conduction band is 0.16 V (vs SHE) or less. Moreover, the coating agent composition contains cuprous oxide particles, metal oxide particles without photocatalytic activity, a binder resin, and an organic solvent. Then, in 100 parts by mass of a non-volatile matter content of the coating agent composition, a content of the photocatalyst particles is 1 to 80 parts by mass, a content of the cuprous oxide particles is 0.1 to 5 parts by mass, and a total content of the photocatalyst particles and the metal oxide particles is 40 to 80 parts by mass.

The present invention relates to a method for manufacturing a thermally insulated body comprising a thermal insulating layer integrally formed with a thermal insulation object, the method comprising a step of applying sol to the thermal insulation object and forming a thermal insulating layer including aerogel from the sol, and a thermally insulated body comprising a thermal insulating layer integrally formed with a thermal insulation object, wherein the thermal insulating layer includes aerogel.