Compositions include a water-soluble polymer, silica nanoparticles, and a combination of a nonionic and anionic dispersed in an aqueous liquid phase. The polymer is a water-soluble copolymer of acrylic acid and an acrylamide, or a salt of the same. Methods of using the compositions to clean and coat a substrate are also disclosed.

Methods for preparing durable hydrophobic, oleophobic, and anti-icing coatings by applying a composition that comprises a lacquer binder, one or more types of particles having a size of about 30 microns to about 225 micron, and one or more types of particles modified with hexamethyldisilazane, polydimethylsiloxane or silanizing agents are set forth, along with the resulting coatings and methods of their use.

The present invention provides a hard coating film having high hardness and excellent properties. The hard coating film has high hardness and is not easily curled.

Compositions and methods for changing a property of a coating are provided. The coating includes a dynamic material configured to be reversibly convertible between a hydrophobic state and a hydrophilic state, wherein transition between the hydrophilic state to the hydrophobic state occurs in an environment dependent manner. The coating also includes an environment altering material configured to alter the hydrophobic or hydrophilic state of the dynamic material.

A graphene-containing coating film includes at least one hydrate represented by Chemical Formula 1 as described herein, a graphene positioned in a shape on the surface of the hydrate represented by Chemical Formula 1, and a silica particle positioned on the surface of the hydrate of Chemical Formula 1 and positioned on the surface of the graphene in a shape of discontinuous island. Particularly, the silica particle includes agglomeration of a plurality of silica nanoparticles. A method of preparing the graphene-containing coating film and a vehicle part such as a head lamp including the same are also provided.

The present invention relates to an in situ preparation of a redox initiated bimorphological aqueous dispersion of first polymer particles with protuberating phosphorus acid cores and second polymer particles without protuberating cores. The method provides a more efficient way of making compositions for pigmented coating formulations.

The invention relates to aqueous, cationically stabilized primary dispersions comprising dispersed polymer particles having a Z-average particle diameter of 5 to 500 nm and which are obtainable by emulsion polymerization of at least one olefinically unsaturated monomer (A). The emulsion polymerization takes place in the presence of one or more emulsifiers (EQ) having the following general formula: R.sup.1N.sup.?(R.sup.2)(R.sup.3)(R.sup.4)X.sup.?, where R.sup.1 is a moiety with 15 to 40 carbon atoms which contains at least one aromatic group and at least one aliphatic group, and which contains at least one functional group selected from hydroxyl groups, thiol groups, and primary or secondary amino groups, and/or has at least one carbon-carbon multiple bond, R.sup.2, R.sup.3, and R.sup.4, independently of one another, are the same or different aliphatic moieties containing 1 to 14 carbon atoms, and X stands for the acid anion of an organic or inorganic acid. The invention further relates to a method for producing the primary dispersions, and to coating agents which include the primary dispersions, and to the use of the primary dispersions for producing electrodeposition coatings, and also to conductive substrates coated with the coating compositions. The invention further relates to emulsifiers which are used for producing the primary dispersions according to the invention.

A wet coating composition useful for coating a cellulosic fiber-based substrate is provided. The composition includes two aqueous emulsions. The first emulsion includes an oxidized paraffin/polyethylene wax and the second emulsion includes an ethylene/acrylic acid copolymer wax, ethylene/acrylic amide copolymer wax, ethylene/acrylic acid/acrylic amide copolymer wax or a mixture thereof. The oxidized paraffin/polyethylene wax has a surface energy less than or equal to 25 mN/m being substantially dispersive energy. The wet coating composition when dried forms a coating having a surface energy ranging from 20 to 60 mN/m being the sum of dispersive and polar energies. A process for treating a cellulosic fiber-based substrate with the wet coating composition, a substrate coated and articles including the coated substrate are also described. The process involves a heating step to allow migration of the coating towards a core of the cellulosic fiber-based substrate.

Embodiments of the invention provide a hard coat film, including a film base material and a hard coat arranged on at least one surface of the film base material, wherein the hard coat is comprised of an active energy ray-curable resin composition. The active energy ray-curable resin composition includes 100 parts by mass of (P) a urethane (meth)acrylate compound, 0.02 to 5 parts by mass of (Q) organic fine particles having an average particle size of 10 to 300 nm, and 0.0002 to 2 parts by mass of (R) an acrylic silicon leveling agent. The (R) acrylic silicon leveling agent is loaded in the active energy ray-curable resin composition in an amount of 1 part by mass or more based on 100 parts by mass of the (Q) organic fine particles.

One embodiment of the present invention is a transparent resin laminate including, from the surface layer side, a first hard coat, a second hard coat, and a transparent resin sheet layer, and in which: the first hard coat includes a coating material that does not contain inorganic particles and that contains a predetermined amount of (A) a polyfunctional (meth)acrylate, (B) a water-repelling agent, and (C) a silane coupling agent; the second hard coat includes a coating material containing a predetermined amount of (A) the polyfunctional (meth)acrylate and (D) fine inorganic particles having an average particle size of 1-300 nm; and the transparent resin sheet has a thickness of 0.2 mm or more. Another embodiment of the present invention is a transparent resin laminate including, from the surface layer side, a first hard coat, a second hard coat, and a transparent resin sheet layer, and in which: the first hard coat includes a coating material that does not contains inorganic particles; the second hard coat includes a coating material containing inorganic particles; the transparent resin sheet has a thickness of 0.2 mm or more; the total light transmittance is 80% or more; haze is 5% or less; and the yellowness index is 3 or less.