Patent classifications
C09D5/4465
HIGHLY ELASTIC POLYESTER MODIFIED URETHANE RESIN AND CLEAR COAT COMPOSITION CONTAINING SAME
Embodiments relate to a highly elastic polyester modified urethane resin and a clear coat composition containing the same, and more particularly, to a highly elastic polyester modified urethane resin having improved chipping resistance by introducing an aliphatic isocyanate and a caprolactone polyol to a polyester resin, and a clear coat composition including the polyester modified urethane resin as a main resin. For example, there is provided a polyester modified urethane resin, including polyester derived units obtained from an aliphatic polyalcohol and an aliphatic or alicyclic polyacid, caprolactone polyol derived units; and aliphatic diisocyanate derived units, as resin constituting units.
A METHOD OF DISPERSING A SELF-EMULSIFYING CROSSLINKER, THE OBTAINED CROSSLINKER DISPERSION AND ITS APPLICATON IN E-COAT HAVING LOW BAKING TEMPERATURE
Disclosed herein is a method of dispersing a self-emulsifying crosslinker including at least two steps: i) preparing an aqueous acid dispersion (I) of a self-emulsifying crosslinker, and the microstructure of liquid phase of the aqueous acid dispersion (I) is water-in-oil; and ii) adding water into the aqueous acid dispersion (I) to obtain an aqueous acid dispersion (II), and the microstructure of liquid phase of the aqueous acid dispersion (II) is oil-in-water. Additionally disclosed here is a self-emulsifying crosslinker dispersion prepared by the method and the self-emulsifying crosslinker dispersion has a Z-average particle size in a range of from 50 to 200 nm.
Electrodeposition coating material composition and catalyst for electrodeposition coating material
Provided is an organic tin-free cationic electrodeposition coating composition which does not contain organic tin compound and can sustain a superior coating curability under currently used baking conditions, and to a catalyst for the composition. A catalyst for electrodeposition coating composition containing a bismuth compound (A), wherein: the bismuth compound is a compound having a ligand prepared from a -diketone represented by Chemical Formula (1) is provided. ##STR00001##
(wherein, a plurality of R.sup.1 are the same or different from each other and represent a hydrocarbon group, and a number of total carbon atoms in two R.sup.1 is 4 or larger)
Polycarboxylic acid-containing aqueous coating agent having an improved effect pigment alignment
Described herein are an aqueous coating composition including at least one anionically stabilized binder, effect pigment, polycarboxylic acid, and solvent, and a method for producing a multicoat paint system by producing a basecoat directly on a substrate, producing a clearcoat directly on the basecoat, and then jointly curing the basecoat and the clearcoat. At least one of the basecoat materials includes the aqueous coating. Also described herein are multicoat paint system obtainable by this method, and the use of at least one polycarboxylic acid in an aqueous coating composition for improving the effect pigment orientation, or for color matching.
ELECTRODEPOSITABLE COATING COMPOSITION INCLUDING A PHYLLOSILICATE PIGMENT AND A DISPERSING AGENT
The present invention is directed towards an electrodepositable coating composition comprising a cationic electrodepositable binder; a phyllosilicate pigment; and a dispersing agent. Also disclosed are methods of making the electrodepositable coating composition, coatings derived therefrom, and substrates coated with the coatings derived from the electrodepositable coating composition.
ELECTRODEPOSITION COATING MATERIAL COMPOSITION AND CATALYST FOR ELECTRODEPOSITION COATING MATERIAL
Provided is an organic tin-free cationic electrodeposition coating composition which does not contain organic tin compound and can sustain a superior coating curability under currently used baking conditions, and to a catalyst for the composition. A catalyst for electrodeposition coating composition containing a bismuth compound (A), wherein: the bismuth compound is a compound having a ligand prepared from a -diketone represented by Chemical Formula (1) is provided.
##STR00001##
(wherein, a plurality of R.sup.1 are the same or different from each other and represent a hydrocarbon group, and a number of total carbon atoms in two R.sup.1 is 4 or larger)
CONTINUOUS ELECTRODEPOSITION OF A COATING ON METAL SHEET STOCK
Electrodeposition of coil metal sheet stock using an aqueous dispersion of a poly(urethane-carbonate) is disclosed. The coated sheet stock can be used in forming coated metal cans.
Aqueous resinous dispersions that include a zinc (II) amidine complex and methods for the manufacture thereof
Disclosed herein are stable aqueous resinous dispersions and methods for forming such dispersions that include a zinc (II) amidine complex.
Electrodepositable coating compositions
The present invention is directed to an electrodepositable coating composition comprising an acrylic polymer comprising greater than 60% by weight of constitutional units comprising the residue of a hydroxyl-functional (meth)acrylate monomer and/or a hydroxyl-functional (meth)acrylamide monomer, based on the total weight of the acrylic polymer; and an ionic salt group-containing film-forming polymer different from the acrylic polymer. Also disclosed are coatings, coated substrates, and methods of coating a substrate.
ELECTRODEPOSITABLE COATING COMPOSITIONS
The present disclosure is directed to an electrodepositable coating composition comprising: (a) a polyol comprising the residue of ethylene oxide and butylene oxide; (b) an ionic salt group containing film-forming polymer; and (c) a curing agent. Also disclosed are methods of coating substrates and coated substrates.