The present invention relates to [1] a method of producing a polymer emulsion for water-resistant coating films with excellent water resistance, including emulsion polymerizing a radical polymerizable monomer (B) in the presence of a compound (A) represented by the following formula (1); and [2] a method of producing a polymer coating film, including a step 1 of emulsion polymerizing a radical polymerizable monomer (B) in the presence of a compound (A) represented by the following formula (1), to obtain a polymer emulsion having an average particle diameter of 30 nm or more and 300 nm or less, and a step 2 of applying the obtained polymer emulsion on a substrate and then drying:

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wherein R.sup.1 represents an alkyl group having 16 or more and 24 or less carbon atoms; m represents an average addition molar number of (CH.sub.2H.sub.2O) and is 0.5 or more and 10 or less; and M represents a cation or a hydrogen atom.

An aqueous coating material is provided. The aqueous coating material includes an aqueous resin and a surfactant. The surfactant having a hydrophilic segment of poly(alkylene glycol), a hydrophobic segment of siloxane, and a terminal hydrophilic group. The aqueous resin and the surfactant may have a weight ratio of 100:1 to 100:25.

A defoamer composition contains I) an oil phase, II) a water phase, III) at least one O/W emulsifier, and IV) at least one W/O emulsifier as co-emulsifier. In the defoamer composition, the amount of the water phase is 20-90 wt. %, preferably 60-85 wt. % based on the total weight of the composition. The oil phase is an oil-in-oil emulsion containing A) at least one or more vegetable oil as component A, B) at least one or more polyether ester as component B, C) at least one or more polyether-modified polysiloxane, and optionally D) at least one or more hydrophobic particle as component D.

An aqueous polymer dispersion and an aqueous coating composition comprising the aqueous polymer dispersion, and the aqueous coating composition providing the resulting coatings with good anti-corrosion property.

Disclosed herein is a coating composition including a pigment paste, where the pigment paste includes an organic pigment and an aryl-modified branched reaction product (P), including, in reacted form, a polyhydroxy-functional core moiety (a), and a shell moiety (b) including polyalkylene oxide units and aromatic units, where the polyalkylene oxide units and aromatic units are covalently linked to the core moiety via units including functional groups being reactive with hydroxy groups. Further disclosed herein is a method of producing a cured coating on a substrate by using the coating composition.

The present disclosure is directed to an aqueous dispersion of inorganic fibers and a method for formulating an aqueous coating composition therefrom. The aqueous dispersion of inorganic fibers comprises water, inorganic fibers, a dispersing agent, an anti-settling agent and optionally additional additives, wherein the inorganic fibers have an average fiber diameter of from 1 micron to 100 microns and have a number average aspect ratio of from 1.1:1 to 10:1; and wherein the aqueous dispersion does not contain a film-forming amount of a polymeric resin.

A water-based coating composition containing two parts (Parts A and B), (A) binder component containing a waterborne epoxy dispersion and dispersed inorganic particles with a polymeric dispersant and (B) hardener component. The polymeric dispersant contains anti-agglomerating functional groups that are unreactive with oxirane groups of the epoxy dispersion.

Disclosed herein is a latex paint containing i) a multistage carboxylated polymer latex binder, ii) a titanium dioxide pigment, and iii) a polymeric dispersant PD having a number average molecular weight, as determined by GPC, of at most 5500 Dalton. Also disclosed are methods for preparing the latex paint, and coatings containing the latex paint.

An polymer dispersion includes an acid-functional resin, a functionalized amine, and an epoxy that form a partially cross-linked or hyperbranched polymer. The partially cross-linked polymer or hyperbranched may be formulated with additional functionalities, such as one or more carboxyl, hydroxyl, amino, uredo, acetoacetoxy, or diacetone groups. The polymer dispersions are well-suited for use in a variety of coating applications and 2-pack kits.

The invention provides an aqueous silicone resin emulsion for preparing a coating composition, an aqueous coating composition using the same, and a method for producing an aqueous clear coating composition.