The present invention relates to the coating of wires with coatings which are obtained by crosslinking blocked polyisocyanates. The coatings are characterized in that they are substantially free of urethane groups and the crosslinking of the monomers is predominantly effected by isocyanurate groups.

The present invention relates to a PVC plastisol composition comprising at least one vinyl chloride polymer selected from polyvinylchlorides and copolymers of vinyl chloride with one or more monomers; at least one plasticizer; at least one epoxy resin; and at least one isocyanate resin blocked with cardanol. The PVC plastisol composition of this invention provides strong adhesion to the surface of various metals or various undercoats of metals by thermal treatment for a short time at 100° C.-200° C. and is excellent in storage stability. In addition, it offers good rheological properties with improved yield value dosing and viscosity stability during applications compared to the nonylphenol blocked isocyanate PVC adhesion promotor.

A coating composition includes a coating resin, a triazine ultraviolet light absorber of Formula (I), and a hindered light amine stabilizer, where Formula (I) has the structure:

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The present disclosure describes three-dimensional printing kits, systems for three-dimensional printing, and methods of three-dimensional printing. In one example, a three-dimensional printing kit can include a particulate build material and a binding agent. The particulate build material can include metal particles. The binding agent can include a polyhydroxy polyol and a water-dispersible blocked polyisocyanate having multiple blocked isocyanate groups. The blocked isocyanate groups can include a blocking group bonded to the carbon atom of the blocked isocyanate group through a labile bond breakable by heating to a deblocking temperature. Breaking the labile bond can produce a released blocking group reacted with hydrogen and an isocyanate group.

Provided herein is a two-component thermal interface material.

Liquid epoxy-based adhesive compositions are provided, which upon curing result in crash durable and stress resistant cured bonds on both steel and other materials, in particular metals such as aluminum; and in some embodiments are weldable in an uncured state; also provided are bonded assemblies comprising the cured epoxy-based adhesives, methods of making the liquid epoxy-based adhesives, methods of bonding assemblies and articles of manufacture comprising the bonded assemblies.

The present invention relates to reaction products containing urethane groups and urea groups, containing at least one species of general formula (I), to a method for producing said reaction products, to the use of said reaction products as wetting agents, dispersants, dispersion stabilizers, and/or adhesion promoters, and to compositions that contain the reaction products containing urethane groups and urea groups.

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The teachings herein relate to new compositions for thermal interface materials that provide improved thermal conductivity without requiring filler materials that are expensive or abrasive. The improved thermal conductivity is achieved using a combination of increased filler loading, selection of a filler having abroad particle size distribution, and selection of filler that is non-abrasive. The thermal interface material preferably has a specific gravity of about 4.0 or less, about 3.0 or less, about 2.5 or less, or about 2.4 or less. The thermal interface material may be a two-part composition. In order to achieve maximum thermal conductivity, each part preferably includes a liquid matrix material and dispersed filler. Upon mixing, the first and second parts may react to increase this viscosity (e.g., by polymerizing and/or cross-linking). The first part preferably includes a carbamate-containing compound that reacts with a carbamate-reactive compound, which is preferably in the second component. The first part preferably is substantially or entirely free of isocyanate containing compounds, as these compounds may reduce the shelf life stability of the composition. The carbamate-reactive compound preferably is a polyamine, including two or more spaced apart amine groups. The first part, the second part, or both, preferably includes a catalyst for accelerating the reaction between the carbamate-containing compound and the carbamate-reactive compound.

A curable composition comprises a blocked isocyanate compound (PhI) having a plurality of isocyanate groups each protected by phenols (Ph), and an epoxy compound (E) having a plurality of epoxy groups. The curable composition does not contain an isocyanate scavenger which may react with the isocyanate groups nor an epoxy scavenger which may react with the epoxy groups.

An epoxy-based adhesive composition and the methods of manufacturing the same are provided. The adhesive composition provides excellent adhesion strength, peel strength and impact-resistant strength uniformly over a wide temperature range.