Abstract: A composition and method for treating oversprayed paints in paint spray booths is provided. The method includes contacting the paint overspray with a wash water system comprising an agitated solution containing a microorganism concentrate so as to collect the paint overspray in the agitated solution. The solution containing the paint overspray is passed to a holding area for phase separation into an organic phase containing paint overspray and an aqueous phase. The organic phase containing the paint overspray, which contains the paint solids portion, and, optionally, an organic solvents portion, is separated from the aqueous phase. The wash water system for treating paint overspray in paint spray booths contains a microorganism concentrate in an amount effective in precipitating the paint solids and, optionally, organic solvents, from the system.

Abstract: A composition for coating food cans is disclosed. The composition comprises a polyester, an acrylic copolymer and a crosslinker; the polyester and acrylic copolymer have been compatibilized in some way, such as through graft copolymerization. Methods for compatibilizing acrylics and polyesters are also disclosed as are methods for coating cans using compositions comprising acrylic and polyesters.

Abstract: A process for fabricating a circuit board includes: providing a substrate including a first electrically conductive core having a first insulating coating on a first side and a second insulating coating on a second side, forming an opening in the first and second insulating coatings and the first electrically conductive core, exposing an edge of the conductive core within the opening, and electrodepositing a third insulating material on the exposed edge of the first electrically conductive core. A circuit board fabricated using the process is also provided.

Abstract: A method of producing a radiation diffractive sensor that diffracts radiation according to Bragg's law is disclosed. The sensor is produced by forming an ordered periodic array of particles on a substrate, coating the array of particles with a polymeric matrix, curing the matrix to fix the array of particles within the matrix and contacting the fixed array with an activator, wherein the activator shifts the wavelength of radiation diffracted by the sensor from a first wavelength to a second wavelength.

Abstract: Provided is a method of forming a circuit board including (a) providing a first conductive sheet; (b) selectively removing one or more portions of the first conductive sheet to form a first panel having a first circuit board that is coupled to a disposable part of the first panel by at least one tab that extends from an edge of the first circuit board to an edge of the disposable part of the first panel; (c) applying an insulating coating to the first circuit board so that at least each edge of the first circuit board is covered thereby; and (d) separating the first circuit board from the disposable part in a manner whereupon at least part of the tab remains attached to the first circuit board and includes an exposed edge of the conductive sheet of the first circuit board. Circuit boards formed by the method are also provided.

Abstract: Epoxy-capped polythioethers and curable compositions of epoxy-capped polythioethers are disclosed.

Abstract: An extrusion process for manufacturing powder coating compositions is disclosed. The process generally includes a shear mixing step done at ambient temperature and a focused heating step in which the shear mix is heated to a higher temperature for a shorter time than in conventional methods. The focused heating provides for a shorter heat history, resulting in enhanced coating properties. The mixture may be cooled before it leaves the extruder.

Abstract: Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.

Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.

Abstract: Methods for preparing pigmented and nonpigmented powder coating compositions are disclosed. The methods generally involve the use of dispersions comprising a fluoropolymer.

Abstract: Coatings comprising the reaction product of a terpene, an acrylic monomer and a phenolic compound containing at least one unsubstituted carbon atom ortho or para to a phenolic group and/or the reaction product of a phenolic compound containing at least one unsubstituted carbon atom ortho or para to a phenolic group and a compound containing a phenolic reactive group and an epoxy group are disclosed.

Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.

Abstract: A coating composition comprising a first component having a first polyester polyol having a first functionality, and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality, and a second component comprising an isocyanate, wherein the coating has an NCO:OH ratio of 1:1 or greater is disclosed. A coated flexible substrate comprising a flexible substrate, and a coating deposited on at least a portion of the substrate, wherein the coating comprises a first component having a first polyester polyol having a first functionality and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality and a second component comprising an isocyanate is also within the scope of the present invention.

Abstract: Polymer composites comprising a thermoset polymeric phase and an inorganic particulate phase and a method for preparing the composites are disclosed.

Abstract: An electrodepositable coating composition comprising a cationic acrylic resin derived from an epoxy function acrylic resin and an IPDI trimer and coated substrates having improved sweat resistance are disclosed. Methods for using the coatings are also disclosed.

Abstract: Polythioether amine resin compounds and compositions comprising the same are disclosed.

Abstract: Preformed compositions in shaped form comprising polymer blends, and the use of these preformed compositions in shaped form to seal apertures are disclosed. In certain embodiments, the preformed compositions are electrically conductive and are capable of shielding EMI/RFI radiation. The polymer blend includes a polysulfide component and a polythioether component.

Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.

Abstract: Methods for reducing face checking in wood products are disclosed. The methods generally include applying to at least a portion of the wood product a coating having a (meth)acrylate moiety and a pigment, wherein the cured coating has a Tg of less than 55° C.

Abstract: Compositions for coating food cans comprising a film-forming resin and an amine-terminated polyamide are disclosed. Food cans coated with such a coating, and methods for coating food cans, are also disclosed.