C09D5/027

Aqueous polymer dispersion and process of making the same
10487166 · 2019-11-26 · ·

An aqueous polymer dispersion, a process of preparing the aqueous polymer dispersion, and an aqueous coating composition comprising the aqueous polymer dispersion; and the aqueous coating composition capable of providing coating films with good properties including coffee resistance and early block resistance.

EMULSION AND PREPARING METHOD THEREFOR

An emulsion, and a method of preparing an emulsion are provided. The emulsion includes styrene/acrylic latex particles and a metal stearate-based material.

Surfactants for Intumescent Foam Stabilization

Aqueous intumescent coating compositions which include a non-ionic surfactant having a hydrophilic-lipophilic balance (HLB) of 9 to 20, and substrates coated with the coating composition are disclosed. Inclusion of the non-ionic surfactant in the coating compositions is found to reduce char cracking and improve the mechanical strength, cell size, and cell density for intumescent chars formed when coatings deposited from the coating compositions are exposed to open flame and/or elevated temperatures, as compared to the same coatings lacking the non-ionic surfactants.

COATED METAL FOOD CONTAINER ARTICLE
20190338156 · 2019-11-07 ·

The present invention relates to an article comprising a cured polymeric film superposing a metal, wherein the cured polymeric film comprises: a) a base polymer comprising structural units of ethylene and a C.sub.1-C.sub.4-alkyl acrylate or methacrylate; and b) a dispersant which is a copolymer comprising structural units of ethylene and a carboxylic acid monomer; wherein the cured film has a thickness in the range of from 0.5 m to 25 m.

The article provides a coating that is particularly resistant to absorption of flavor producing compounds such as limonene, thereby providing a more acceptable flavor profile interaction than state-of-the art polyolefin coated metals.

ANTIFOULING COATING MATERIAL COMPOSITION, ANTIFOULING COATING FILM, SUBSTRATE PROVIDED WITH ANTIFOULING COATING FILM AND PRODUCTION METHOD THEREFOR, AND ANTIFOULING METHOD

An object of the present invention is to provide an antifouling coating composition capable of forming an antifouling coating film that retains a high antifouling performance for a prolonged period of time and has an excellent damage resistance. Another object of the present invention is to provide an antifouling coating film formed with the antifouling coating composition, a substrate with an antifouling coating film and a method for producing the same, and an antifouling method using the antifouling coating film. The antifouling coating composition of the present invention contains a hydrolyzable polymer (A) containing a metal ester group, zinc oxide (B), and medetomidine (C), and has a content of the zinc oxide (B) in a solid content of the antifouling composition of 27 to 60% by mass.

AQUEOUS COATING COMPOSITION AND METHOD FOR FORMING METALLIC COATING FILM USING SAME

Provided is an aqueous coating composition capable of forming a coating film having superior metallic coating film appearance and coating film properties and reducing the amount of an organic solvent to be used. Also provided is a method for forming a metallic coating film using such an aqueous coating composition. Provided is an aqueous coating composition comprising a coating film-forming resin, a curing agent, a scaly pigment, an inorganic viscosity agent, a hydrophobic associative viscosity agent, and a dispersant, wherein the composition contains the inorganic viscosity agent in an amount of 1 to 7 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent, and the composition contains the hydrophobic associative viscosity agent in an amount of 1 to 15 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent.

Water-based resin dispersion and coating material

The present invention relates to an aqueous resin dispersion, obtained by subjecting a polymerizable compound (C) containing a compound (C1) having a carbon-carbon unsaturated bond to an emulsion polymerization in the presence of a surfactant (A) and a surfactant (B) free from a radical-polymerizable substituent.

One-part water-based adhesive composition
10450487 · 2019-10-22 · ·

Provided is a one-part water-based adhesive composition which suffers no yellowing and is excellent in adhesiveness and durability. The one-part water-based adhesive composition includes (A) an aqueous dispersion of a polyurethane resin and (B) a silane compound obtained by reacting a specific epoxysilane compound with an aminosilane compound represented by the following Formula (2), the amount of the epoxysilane compound being in the range of 1.5 to 10 mol per 1 mol of the aminosilane compound, at a reaction temperature of 40 to 100 C. ##STR00001## (In Formula (2), R.sup.7 to R.sup.12 are each a hydrogen atom or an alkyl group, R.sup.13 is a monovalent hydrocarbon group, R.sup.14 is an alkyl group, and b is 0 or 1.)

Coatings having improved resistance to stains and dirt

The invention relates to aqueous coating compositions based on an aqueous polymer dispersion as binder, having high performance levels of resistance to stains and dirt without specialist functional monomers. Said aqueous polymer dispersion having an MFFT between 0 and 50 C. comprises polymer particles obtained by emulsion polymerization in at least two steps with at least two polymer phases P1 and P2, P1 representing from 75 to 90% by weight of P1+P2 having a Fox Tg1 from 0 to 40 C. and P2 having a Fox Tg2 from 0 to 40 C., said polymer P2 representing from 10 to 25% by weight of the sum of polymers P1 and P2 and having a calculated Hansch parameter <2.0 and at least one ethylenically unsaturated monomer bearing an acetoacetoxy and/or amine or ureido functional group, said acetoacetoxy and/or amine or ureido functional group being borne by the external surface of P2 phase.

COATING OF A SURFACE
20190300720 · 2019-10-03 ·

This invention describes a dispersion for coating a polymer surface comprising polyglycerol esters and a surfactant being a neutralized or partially neutralised fatty acid or a neutralized or partially neutralized ester of fatty acids. The dispersion can be diluted into a coating composition, which can be applied as a coating on a polymer surface. The coating has anti-static and anti-fogging effects and can be used for for example a variety of different packaging materials.