Abstract: The invention relates to polyurethane dispersions which develop high hardness and form coating films at room temperature. The dispersions are prepared from prepolymers containing prepolymers containing a polyol or polyol blend having specified equivalent weight and polyisocyanate to polyol molar ratio.

Abstract: The subject invention provides a composite comprising stabilized conductive nanoparticles dispersed within a polymer matrix. The dielectric constant of the composites is advantageously high, exceeding that predicted by the rule of mixtures. The subject invention further provides a film comprising such composites. Such films will enjoy applicability in electronics applications. The subject invention additionally provides a thin film organic transistor comprising the inventive composite. The subject invention further provides processes for stabilizing conductive nanoparticles.

Abstract: Disclosed is a urethane-based composition of value in surface coating applications, including treatment of glass or textiles, in adhesives and in the manufacture of a stabilized latex. The composition comprises a polyfunctional liquid urethane-containing adduct wherein said adduct contains as a first functional group at least one isocyanate moiety per molecule, and a second functional group per molecule which is not an isocyanate moiety and which is not reactive towards isocyanate functionality. The second functional group can comprise ester, nitrile, halogen, halocarbon, siloxyl, silyl, alkyne or alkene, or combinations of two or more thereof.

Abstract: Disclosed is an acid-funtionalized polyurethane adduct and a process for the preparation of such adduct. The adduct having a linear or preferably branched structure comprises a plurality of internal urethane linkages and one or more terminal carboxylic acid groups per molecule. Such acid-funtionalized polyurethane adducts find value in the manufacture of crosslinked aqueous rubber latexes such as might be used in paint compositions.

Abstract: A container element (11) for an electric storage battery includes a pair of carrying handles (15) extending between respective pairs of spaced holes formed in projecting lugs (13) on the container element (11). Each handle (15) includes at least one strip of rope (16) or similar flexible material passing through the associated pair of holes and joined at the ends to define a continuous loop.