Paint and coating compositions including chitosan exhibit one or more of improved elongation, improved thermocycling characteristics, reduced leaching of coating components, or lesser susceptibility to fungal and mildew defacement than conventional coatings, articles coated in the same, and methods for making said coating compositions or coated articles.

Paint and coating compositions including a low molecular weight chitosan that may be incorporated in a coating composition at higher loading levels, which exhibits one or more of improved elongation, improved thermocycling characteristics, reduced leaching of coating components, are lesser susceptibility to fungal and mildew defacement than conventional coatings or coatings containing higher molecular weight chitosan compounds, articles coated in the same, and methods for making said coatings and coated articles.

A waterborne coating composition which includes a film-forming binder and composite particles comprising wax and a metal oxide, such as wax encapsulated zinc oxide, provides enhanced mildew resistance.

A composition of the present disclosure includes an aqueous dispersion of epoxy resin particles. The epoxy resin particles include at least two 1,2-epoxide groups. The composition further includes one or more anti-adhesive agents, one or more anti-microbial agents, or a combination of one or more anti-adhesive agents and one or more anti-microbial agents.

An antibacterial paint composed of a water-based paint functionalized by metallic nanoparticles that is used on wall supports to target bacteria, pathogenic strains, and nosocomial infections. Metallic silver (Ag) nanoparticles with average diameters of 83 nm synthesized by an aqueous method using PVA and an aqueous solution of silver ion. The water-based paint was created with a weight of titanium dioxide ranging between 7 and 12%, a weight of filler ranging between 25 and 35%, a weight of emulsion binder ranging between 30 and 40%, a weight of water ranging between 15 and 20%, a weight of dispersing agent ranging between 0.3 and 0.5%, a weight of silicone antifoam agent ranging between 0.15 and 0.3%, and a pH value ranging between 7.5 and 8.

It is an object of the present invention to provide a primer composition for surface-printed flexible packaging, an ink set, a surface-printed matter, and an inkjet printing method, which can impart excellent solid uniformity, bleeding resistance, abrasion resistance, alcohol resistance, and heat resistance to a coating film when an inkjet image is formed after applying the primer composition. Provided is a primer composition for surface-printed flexible packaging comprising an acryl-based resin emulsion emulsified with a polymer, N-oleoyl sarcosine, a hydrazine-based compound having at least two or more hydrazine residues in a molecule, and wax, wherein a content of the acryl-based resin emulsion is 3 to 40% by mass in terms of solid content, and wherein a glass transition temperature of the acryl-based resin emulsion is-40 to 30 C.

An organo-functional silicone is shown and described herein. The organo-functional silicone comprises an acrylate/methacrylate functional group and a polyalkyleneoxide functional group. The organo-functional silicone is water dispersible and may be reacted with a free-radical polymerizable monomer under conditions to form a latex emulsion.

An anti-microbially inhibited waterborne coating composition comprising; a) A waterborne polymer resin, b) An antimicrobial composition, a) The polymer resin is based on an emulsion polymer resin or a an-ionic or non-ionic stabilized polyurethane dispersion or an alkyd resin. b) Said antimicrobial composition comprise; b i) At least one compound selected from the group consisting of, formic acid, metal formate, ammonium formate, propionic acid, metal propionate, ammonium propionate, and optionally acetic acid and/or metal acetate and/or ammonium acetate, and b ii) At least one compound selected from the group consisting of, sorbic acid, metal sorbate, ammonium sorbate, benzoic acid, metal benzoate, ammonium benzoate, and b iii) At least one compound selected from the group consisting of; benzisothiazolinone in the range 10-360 ppm, calculated on the coating composition including water diluent and bronopol in the range 10-2000 ppm, calculated on the coating composition including water diluent.

The antimicrobial composition compound b i) together with b ii) constitutes 0.2-5.0% by weight of the coating composition, and the benzisothiazolinone b iii) comprises 10-360 ppm of the coating composition including water diluent.