Abstract: An aqueous electrocoating composition useful in a method of electrodeposition contains an electrodepositable resin, optionally a curing agent and a microparticulate crosslinked unsaturated polyester flatting agent. The microparticulate flatting agent provides the desired flatting effect without compromising coating properties such as corrosion resistance and flexibility.

Abstract: A stable, aqueous fluorocopolymer dispersion prepared by aqueous dispersion polymerization of a) a dispersed phase containing a fluoroolefin monomer component and a vinyl ether monomer component in the presence of b) a base neutralized, stable aqueous dispersion of a polymeric dispersant having an acid value of at least 1.5 mg KOH/gram not exceeding about 35 mg KOH/gram and the amount of neutralizing base does not exceed about 10 percent based on resin solids of the dispersant. The acid value is adapted to provide a stable dispersion of the fluorocopolymer in water without externally added surfactant.Thermoplastic and thermosetting coating compositions can be prepared from these aqueous fluorocopolymer dispersions.

Abstract: Aqueous size compositions for application to glass fibers contain, as essential components, a reaction product of a polymeric amine and an amine-reactable organosilane, a film-forming polymer and an emulsified polyolefin. The reaction product can be preformed or made in situ, and is preferably the product of a polyalkylene polyamine and an epoxy-functional alkoxysilane. An optional added component is a water-soluble, non-volatile carboxylic acid. Glass fibers treated with the size composition can be made into mats, especially continuous strand, needled mats, useful for reinforcing thermoplastic polymers such as polypropylene in laminates which then can be used in molding processes to make articles of good physical properties.

Abstract: A stable aqueous dispersion having a particle size in the range of about 10 to 200 nanometers containing specific silanes carrying at least one hydrophobic moiety and at least one water-solubilizing moiety is used in a process for treating a cellulosic substrate resulting in a treated product. The aqueous dispersions used in treating the cellulosic substrate are stable for at least 20 days without externally added surfactant.

Abstract: Stable, non-gelled, one-package coating compositions capable of being cured at ambient conditions to produce durable coatings comprising at least one polymer and/or oligomer having a molecular weight of at least about 100 and bearing at least two specific aziridine moieties, at least two specific carbodiimide moieties or combinations thereof and at least one polymer and/or oligomer having a molecular weight of at least about 100 and bearing at least two covalently blocked carboxylic acid moieties. Process for coating a substrate using such compositions are also claimed.

Abstract: An aqueous based coating composition contains a polymeric film-forming resin and as an additive from about 1 to about 40 percent by weight based on the resin solids of the composition of an oligomeric ester having an acid value of from about 100 to about 500 of the structure: ##STR1## where X is the residue of a polyol containing from 1 to 50 carbon atoms per hydroxyl group after reaction with an acid or an anhydride, R is an organic moiety from the acid or anhydride and A has an average value of about 2 or greater.The coating compositions are particularly advantageous as metallic pigmented coating compositions for automotive basecoat applications because they exhibit excellent resistance to mottling, have good flop and have reduced sensitivity to fluctuations in relative humidity.

Abstract: A stable aqueous dispersion having a particle size in the range of about 10 to about 200 nanometers containing specific silanes carrying at least one hydrophobic moiety and at least one water-solubilizing moiety is claimed along with the process for treating a cellulosic substrate and the treated cellulosic product resulting therefrom. The aqueous dispersions are stable for at least 20 days without externally added surfactant.

Abstract: New organic silanes are claimed carrying at least one water-solubilizing moiety and at least one hydrophobic group suitable for preparing stable solutions or dispersions containing in excess of about five weight percent of such silanes.

Abstract: An ungelled reaction product is prepared from a carboxylic acid group containing polymeric material and an azetidinol containing material having one azetidinol moiety per molecule. The ungelled reaction product is particularly useful as a grind vehicle for pigment grind compositions.

Abstract: A base neutralized, stable, aqueous dispersion of a hydroxyl functional acrylic polymer containing less than 1 percent acid, having a number average molecular weight ranging from about 500 to about 4500 and having an acid value of at least about 1.5 and no greater than about 10; is prepared from a vinyl monomer component containing at least about 50 percent 2-hydroxyethyl acrylate and at least one other comonomer. The proportion of each monomer is selected so that the resultant polymer forms stable dispersion in water without externally added surfactant. The hydroxyl functional acrylic polymer is especially advantageous in the formulation of waterborne coating compositions which are capable of crosslinking with aminoplast and polyisocyanate curing agents to form a cured film. Furthermore, the hydroxyl functional acrylic polymer is useful as a surfactant in the preparation of dispersion polymers by dispersion polymerization.

Abstract: An ungelled reaction product is prepared from a carboxylic acid group containing polymeric material and an azetidinol containing material having one azetidinol moiety per molecule. The ungelled reaction product is particularly useful as a grind vehicle for pigment grind compositions.

Abstract: A method of coating plastic substrates involves applying an aqueous coating composition to the surface of a plastic substrate and allowing the coating composition to dry and form a film. The coating composition contains an aqueous polyolefin dispersion and an aqueous polyurethane dispersion.

Abstract: A reaction product is prepared from a polycarboxylic acid group containing polymeric material and a polyazetidinol of a specific structural formula. The polyazetidinol can also be formulated into curable compositions both as film forming vehicle or alternatively as an additive to improve mar and humidity resistance.

Abstract: Curable coating compositions are provided containing an amine group containing polyepoxide resin, an acetoacetate containing polyester having a weight average molecular weight of at least 1000, and a polyacrylate containing material. The amine group containing polyepoxide can be modified with a ketone and/or an aldehyde to form a ketimine and/or an aldimine containing polyepoxide. The compositions are useful as coatings, particularly as ambient or low temperature curable automotive refinish primer coatings having good corrosion resistance, adhesion to both substrate and other organic coatings, sandability and pot-life.

Abstract: An organic compound having at least two azetidinol moieties per molecule is prepared from a polyamine and an epihalohydrin. A reaction product is prepared by reacting a polycarboxylic acid group containing polymeric material with the organic compound having at least two azetidinol moieties. The organic compound and reaction product can be formulated into curable compositions both as a film forming vehicle or alternatively as an additive to improve mar and humidity resistance.

Abstract: Aqueous coating compositions containing an aqueous chlorinated polyolefin dispersion and an aqueous polyurethane dispersion are disclosed. These coating compositions are particularly useful for coating plastic substrates. A method of coating plastic substrates comprising the use of these coating compositions and a coated plastic article prepared by the above method are also disclosed.

Abstract: A thermosetting coating composition contains:a. a stable aqueous polymer emulsion containing an aqueous continuous phase, a dispersed polymeric phase and a polyhydroxyl functional non-ionic surfactant wherein the hydroxyl groups are separated by 4 or more carbon atoms and the surfactant is substantially free of oxyethylene units; andb. a crosslinking agent adapted to crosslink the emulsion polymer and surfactant to form a film.

Abstract: Isocyanate-free coating compositions, capable of forming a durable coating under ambient conditions, are claimed comprising(A) at least one polymer, oligomer or combinations thereof selected from the group consisting of acrylic, urethane and urea polymers and oligomers having a number average molecular weight of at least about 100 and bearing at least two aziridinyl groups defined by the following structural formula: ##STR1## wherein X represents O, S, NH, NR, wherein R represents an alkyl having from one to 12 carbon atoms, or higher, or phenyl,R.sub.1 represents (CH.sub.2)m.sub.1, m.sub.1 being an integer ranging from 1 to 3 andR.sub.2 represents H, CH.sub.

Abstract: A method of characterization of a coating on a surface such as a paint coating having metallic flakes distributed within such coating. Single and multi-angle models are utilized. The coating is characterized by measurements having components of light reflected by the metal flakes and attenuated on its exit route from the coating, of light scattered in the entering path of the beam as it travels through the coating, of light scattered by the reflected beam on its exit from the coating, of light scattered in the entering path then reflected by the metallic flakes and attenuated in the coating on exiting, and of light scattering in the exit path, both to the metallic flake and reflected by the flake and attenuated on its exit from the coating. Methods of color matching a coating having a metallic flake distribution within the coating are included using reflectance factors and tristimulus values and minimizing the sum of the squares of the deviation between samples.

Abstract: Described is a coating composition comprising at least a polycarbodiimide component having at least two carbodiimide groups per molecule, at least one anhyride component having one or more carboxylic acid anhydride groups per molecule, and a hydroxylic reagent capable of reacting with said anhydride component to generate free carboxylic polyacids, at least one among said components and reagents being a compound suitable for forming films. The composition produces fast cross-linking coatings at low temperatures.