Disclosed are a coating composition, a preparation method therefor and use thereof. The coating composition comprises a composition of at least 60% heat-expandable microspheres having a wall thickness of less than or equal to 5 m, a water-based thermoplastic resin, a water-based thermosetting resin, and a hot-melt filling resin. By means of the coating composition of the present invention, thin-shell spheres can be quickly softened and destroyed within a short time in the heat-expansion process, and with the volatilization of an organic solvent, the coating composition cross-links, on the surface and inside of the coating, with a resin matrix in the coating to form a cross-linked network structure, thus strengthening the gap support of the coating, and enabling the coating to achieve stepped expansion, and after expansion, some polymer materials wrap an airbag and harden to form a stable hollow structure. Therefore, the expanded coating has a stable structure, high thermal shrinkage resistance, high mechanical strength and adhesive force, can be used for the fixation of high temperature-resistant parts, and can maintain adhesive stability when placed in a high-temperature environment (140-180 C.) for a long time.

An antimicrobial paint composition for forming an antimicrobial coating is disclosed. The antimicrobial paint composition comprises a carrier vehicle, a film-forming polymer, a glass comprising copper, and a non-copper pyrithione salt. A method of preparing the antimicrobial coating on an indoor surface with the antimicrobial paint composition is further disclosed. The method comprises applying the antimicrobial paint composition on the indoor surface and forming the antimicrobial coating on the indoor surface from the antimicrobial paint composition.

The present invention provides a coating composition having excellent damage tolerance. The coating composition includes a binder system comprising at least a fluoropolymer, optionally, one or more other resin components, a crosslinking component and at least one inorganic filler and organic filler. Coated articles with the coating composition applied to at least a portion of a surface thereof are also provided.

The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises: (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.

The present invention provides an acrylate graft-modified polyurethane resin and surface-modified inorganic particles to improve a compatibility between the polyurethane resin and the inorganic particles, so that the inorganic particles are uniformly dispersed between the modified polyurethane resins, and that a coating of the polyester optical film has excellent adhesion resistance and slip resistance.

The subject matter is a new composition comprising at least one hydroxyl-group containing resin, at least one nitroso-containing compound or at least one nitroso precursor compound, at least one blocked isocyanate and at least one crystallization germ suitable as primer or coating for rubber to substrate bonding, which provides a scratch resistant surface, when applied, and excellent adhesion and steam resistance for rubber to substrate bonds. These compositions can especially be used as one coat systems.

Photo-protected microcapsules containing a photopolymer composition are dispersed in an epoxy coating to form an autonomic self-healing material. The capsule shell wall is formulated to protect the photopolymer composition from electromagnetic radiation exposure prior to rupture of the capsule shell, so that the photopolymer composition (e.g., a UV curable epoxy resin) remains active until triggered by damage to the capsule shell. Carbon black pigment is a suitable UV protector for the capsules. Upon sufficient damage to a region of the coating, the capsules will rupture and the photopolymer composition will fill and cure in and/or around the damaged region in the presence of electromagnetic radiation, achieving autonomic healing of the damaged coating.

The present disclosure provides an expanded coating, a preparation method and use thereof, and a permanent magnet comprising same. The expanded coating described herein comprises pores and a filler resin arranged among the pores; the pores comprise at least a spheroid pore having a cross section with a long diameter and a short diameter; in the cross section of the expanded coating, the area of the spheroid pores accounts for 50%-60% of the cross-sectional area of the expanded coating. The permanent magnet of the present disclosure comprises the expanded coating. The expanded coating has high strength and can exhibit excellent mechanical properties and corrosion resistance at high temperatures (such as 170? C.), with a shear strength greater than 2 MPa, a tensile strength greater than 2 MPa, an oil resistance greater than 1800 h and a neutral salt spray performance greater than 288 h at 170? C.

Disclosed herein in is a radiative cooling formulation including a solvent for providing a viscosity of a radiative cooling material for application onto a surface to be passively cooled. The radiative cooling formulation includes a binder for the radiative cooling material's integrity and bonding to the surface to be passively cooled. The radiative cooling formulation includes a polymer, which, in combination with the binder, provides one or more properties in the radiative cooling material, including a reflectance of or greater than 55% in a wavelengths range of 0.3 to 2.5 microns and a first thermal emissivity peak value greater than 0.85 at a first wavelength in a range of 8 to 13 microns (?m). For example, the polymer is a latex material including a styrene based copolymer.

A liquid-repellent structure includes a surface to which liquid repellency is to be imparted; a foundation layer having a surface and disposed to face the surface to which liquid repellency is to be imparted; and a liquid-repellent layer disposed to face the surface of the foundation layer, wherein the foundation layer contains an acid-modified polyolefin, the liquid-repellent layer contains a fluorine-containing resin and particles, and the fluorine-containing resin contains a hydrophilic structural unit having at least one of an amino group and an amide group. A packaging material has the liquid-repellent structure disposed to face a product. The packaging material can also be applied to a product that is a selected one of hand soap, body soap, shampoo, rinse, creams, and cosmetics and that contains a surfactant.