Abstract: A system and method for depositing an aerosolized powder of solid particles on a substrate for printed circuit applications is disclosed and comprises cold spraying the aerosolized powder onto the substrate to form a finite feature, wherein at least one of the dimensions of length and width of the finite feature measures 500 microns or less.

Abstract: This invention relates to coating compositions comprising a glycidyl carbamate functional resin, an epoxy resin, and an amine curing agent. The coating compositions have improved corrosion resistance, particularly on untreated steel substrates.

Abstract: Monomers, polymers and copolymers are provided that incorporate at least one naturally occurring phenolic compound, such as a plant phenol.

Abstract: A biodegradable iron-crosslinked alginate is useful as a remediation agent for environmental contaminants such as phosphate. When charged with phosphate, or other nutrients, the iron-functionalized alginate can be used as an agricultural fertilizer.

Abstract: Disclosed are methods of treating a metal to improve the metal's corrosion resistance. In one such method, the method is carried out by applying, to the surface of the metal, a coating which includes magnesium powder and a UV-curable or other radiation-curable binder. In another such method, the method is carried out by applying, to the surface of the metal, a coating which includes magnesium powder and an inorganic binder. In another such method, a coating that includes a magnesium alloy powder and a binder is applied to the surface of the metal. The magnesium alloy powder is selected such that it has a corrosion potential that is from about 0.01 volt to about 1.5 volt more negative than the metal's corrosion potential. Also disclosed are methods of treating a ferrous metals and magnesium alloys to improve the corrosion resistance of these materials.

Abstract: The present invention provides an amphiphilic polymeric material well-suited as a coating for marine applications, such as use as a fouling-release coating on the external surfaces of ships, particularly ship hulls. Also provided are methods of making the polymeric material and methods for using the polymeric material, as well as articles and surfaces that are coated with the polymeric material.

Abstract: Electronic components are often assembled using robotic equipment, such as pick-and-place machines, that is not optimized for components such as ultra-thin semiconductor bare dice. Selective laser-assisted die transfer is described based on the unique blistering behavior of a multilayer dynamic release layer when irradiated by low energy focused laser pulse(s) in which the blister creates translation of the article being placed. Accurate placement results are provided with negligible lateral and angular displacement.

Abstract: A novel UV-curable coating includes acrylated soybean oil, a hyperbranched acrylate, an optional adhesion promoter, and an optional renewable reactive diluent.

Abstract: Novel silicone polymers are provided which possess grafted pendant hydrophilic polyalkylene oxide side chains and, optionally, reactive functional end groups. These features make them well suited for use in chemical, marine, biomedical and industrial applications, particularly those involving surface modifications.

Abstract: Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Abstract: An electrode stimulation delivery system is described having a unit and a network of wireless remote electrodes configured for implantation within a plurality of spaced apart locations in the tissue, e.g. myocardium, of a patient. The control unit is configured to be positioned at or subcutaneous to the patient's skin, and includes a processor, an antenna configured for delivering RF energy in proximity to the plurality of wireless remote electrodes, and programming executable on the processor for wirelessly communicating to the network of wireless remote electrodes via the delivered RF energy to individually control pacing of the plurality of wireless remote electrodes. Each of the plurality of wireless remote electrodes comprises a metamaterial-based biomimetic harvesting antenna comprising a Van Atta array zero-phase transmission lines to receive the RF energy to power activation of the plurality of wireless remote electrodes.

Abstract: Polysiloxane-based materials, which include metal species, are provided. The polysiloxane-based compositions and materials generally include (i) amino-functional polysiloxane material and (ii) a plurality of metal species distributed within the polymeric material. Polymer based compositions in which the amino-functional polysiloxane material includes quaternary ammonium groups, e.g., tetraalkyl ammonium groups, are examples of suitable materials which may be used to form the present compositions. The metal species, which may be in an oxidized and/or neutral state, may be bonded, coordinated, chelated, suspended, and/or dispersed within the polymeric material.

Abstract: A method of synthesizing conductive polymer nanoparticles is provided. In addition, stabilized conductive polymer nanoparticles are provided as are stabilized nanoparticles.

Abstract: The invention provides an improved unsaturated polyester prepared from the polycondensation of unsaturated diacid monomers or unsaturated acid anhydride mononers and polyol monomers and, optionally, one or more saturated aliphatic or aromatic diacid monomers or anhydride monomers thereof. The improvement comprises 0.5 to 50 weight percent, based on the total monomer weight, of a hydroxyalkyl-functional siloxane of formula (1) below. The invention also relates to a UV curable coating formulation containing a siloxane-functional unsaturated polyester resin, a vinyl ether functional diluents and a photoinitiator. The invention further provides a method of preparing an article with a low-surface energy coating. According to the method, at least one surface of an article with a coating formulation of the invention; and the coating is then cured as described above with UV light to form a low-surface energy coating on the surface.

Abstract: Disclosed are photo sensitizers that include a polyol moiety covalently bonded to a fused aromatic moiety. Also disclosed is a method for improving UV laser ablation performance of a coating, such as a cationic UV curable coating, by incorporating an oxalyl-containing additive into the cationic UV curable or other coating. Oxalyl-containing sensitizers having the formula Q-O—C(O)—C(O)—O—R1 wherein Q represents a fused aromatic moiety and R1 is an alkyl or aryl group, are also disclosed, as are oxalyl-containing oxetane resins, oxalyl-containing polyester polyols, and cationic UV curable coating formulations that include oxalyl-containing additives.

Abstract: Disclosed are photo sensitizers that include a polyol moiety covalently bonded to a fused aromatic moiety. Also disclosed is a method for improving UV laser ablation performance of a coating, such as a cationic UV curable coating, by incorporating an oxalyl-containing additive into the cationic UV curable or other coating. Oxalyl-containing sensitizers having the formula Q-O—C(O)—C(O)—O—R1 wherein Q represents a fused aromatic moiety and R1 is an alkyl or aryl group, are also disclosed, as are oxalyl-containing oxetane resins, oxalyl-containing polyester polyols, and cationic UV curable coating formulations that include oxalyl-containing additives.

Abstract: A method of preparing polyalkylated oligoalkylenepolyamines is provided. The method includes contacting oligoalkylenepolyamine with a reagent composition comprising (a) alkyl bromide and/or alkyl chloride; (b) a basic agent; and (c) iodide salt. The alkylation reaction may be carried out in a polar, aprotic organic solvent.

Abstract: A zwitterionic/amphiphilic pentablock copolymer was prepared using atom transfer radical polymerization (ATRP). The pentablock copolymer is prepared for the atom transfer radical polymerization of a PDMS-PEO-Br macroinitiator and SBMA. The pentablock copolymer is incorporated into a polyurethane coating composition which is useful for antifouling and/or fouling release applications.

Abstract: Branched and hyperbranched oligomers and polymers that contain a cashew nutshell oil or liquid component are provided. The novel oligomers and polymers are suitable for use as an oil, lubricant, coating, adhesive, resin or composite.

Abstract: Heteroatom doped silane compounds, e.g., phosphorus-containing silane compounds, are provided. The application also provides methods of producing the heteroatom doped silane compounds from halogen substituted silanes via reaction with a heteroatom-containing nucleophile.