The present invention provides multilayer coated substrates, prepared using primer and/or sealer compositions comprising waterborne curable film-forming compositions, in turn comprising: a) an aqueous dispersion of a pigment and i) polymeric urethane-shell particles having a care-shell morphology and having hydroxyl functional groups, wherein the core is prepared from a monomer mixture comprising hydrophobic, ethylenically unsaturated monomers and the shell comprises a polyurethane or polyurethane-urea polymer; or ii) polymeric acrylic-shell particles having a core-shell morphology and having hydroxyl functional groups, wherein the core is prepared from a monomer mixture comprising hydrophobic, ethylenically unsaturated monomers and the shell is prepared from a monomer mixture comprising hydrophilic, ethylenically unsaturated monomers; b) a polyisocyanate crosslinking agent; and optionally c) a hydroxyl functional, water dispersible acrylic polymer.

Coating compositions for coating fluid handling components, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of a fluid handling component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

There is provided a coating for corrosion protection of metal objects, said coating comprising at least one cerium oxide and at least one polypeptide, wherein the polypeptide comprises 29 or less amino acid residues wherein at least 15% of the number of amino acid residues are DOPA. Advantages include a fast establishment of the corrosion protective properties in an applied coating.

A multi-layer coating system includes: a first basecoat layer formed from a first coating composition including a free polyisocyanate having a weight average molecular weight of less than 600 g/mol and hydroxyl functional polymeric core-shell particles, where an amount of free polyisocyanate having a weight average molecular weight of less than 600 g/mol is 3.5 weight % or greater; a second basecoat layer formed from a second coating composition including carboxylic acid functional polymeric core-shell particles; and a topcoat layer formed from a coating composition including a free polyisocyanate and a film-forming resin reactive with the free polyisocyanate.

[Problem] To obtain a thermosetting resin composition that has curing performance at a lower temperature and uses transesterification capable of also suitably coping with conversion into an aqueous form as a curing reaction.

[Solution] A thermosetting resin composition containing a resin component (A), which includes a structure (a) represented by the following general formula (1) and a hydroxy group (b), and a transesterification catalyst (B).

##STR00001##

n=0 to 20

R.sub.1 is an alkyl group having 50 or less carbon atoms.

R.sub.3 is hydrogen or an alkyl group having 10 or less carbon atoms.

A method for forming a multilayer coating film comprising the steps of: (1) applying a base paint (X) to a substrate to form a base coating film, (2) applying an effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film, (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to thereby simultaneously cure these three coating films; wherein the effect pigment dispersion (Y) contains water, a black pigment (A), a vapor deposition metal flake pigment (B), and a rheology control agent (C).

Methods and systems for coating metal substrates are provided. The methods and systems include sequential application of low flow and high flow powder coatings followed by a single heating step to provide a cured coating. The methods and systems include a marker that allows coating uniformity to be monitored and assessed during application. The described methods provide coatings with optimal surface smoothness and edge coverage.

The present invention relates to a steel sheet with improved yellowing resistance and phosphatability, wherein the steel sheet contains 0.5% by weight or more of Mn, and contains 0.01 to 10 mg/m.sup.2 of Ca+Mg, 0.01 to 10 mg/m.sup.2 of P, 0.01 to 20 mg/m.sup.2 of C, and 0.05 to 30 mg/m.sup.2 of O as components excluding a steel component on the surface of the steel sheet after pickling, water rinsing, and drying. According to the present invention, in a manufacturing process of the steel sheet, the surface of the steel sheet is subjected to a chemical conversion treatment for improving phosphatability and yellowing resistance in a water-cooling section or a water-washing section, thereby having an effect of improving the surface quality of products using same and various subsequently treated products.

An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.

The specific embodiment of the present disclosure provides a protective coating. An anticorrosive coating having a compact rigid molecular structure is formed by plasma polymerization coating of monomers including alicyclic epoxy structural units, and a hydrophobic coating is simultaneously formed by plasma polymerization coating on the anticorrosive coating, thus, coatings with excellent protective performance to the substrate are formed.