Abstract: Homogenous, aqueous, energy curable printing ink compositions containing metallic colorants.

Abstract: Adhesive is removed from polyester film which is initially formed into a flake followed by a series of removal and separating steps. In a preferred mode a clarified liquid which results from stripping solution is recycled for further use in adhesive removal.

Abstract: An improved method of hardening a hydrophilic colloid is detailed. The hardening results in a stronger matrix and less water pickup. These and other advantages are obtained by hardening with a combination of at least one hardener chosen from Formula I either alone or in combination with at least one hardener chosen from Formula II: ##STR1## The substituents are defined.

Abstract: An improved imidazolium hardener is described. These novel hardners are specifically advantageous for hardening, or crosslinking, a hydrophilic colloid in a photographic element. The advance in the art is realized in A hardening agent chosen from the set consisting of: ##STR1## wherein: Y.sup.1 represents an alkyl of 6-24 carbons, aryl of 6-24 carbons, aralkyl of 7 to 25 carbons, the atoms chosen from C, N, O, and S necessary to form a 5- or 6-membered ring, or --L.sup.1 CR.sup.13 CH.sub.2 ;L.sup.1 is a linking group;R.sup.1 is hydrogen, alkyl of 1 to 24 carbons, aryl of 6 to 24 carbons, aralkyl of 7 to 25 carbons or halogen;R.sup.2 and R.sup.3 independently represent alkyl of 1-24 carbons, aryl of 6-24 carbons, aralkyl of 7 to 25 carbons or R.sup.2 and R.sup.3 independently may represent, or be taken together to represent the atoms chosen from C, N, O and S necessary to form a 5- or 6-membered ring;R.sup.4 and R.sup.

Abstract: An improved imidazolium hardener is described. These novel hardeners are specifically advantageous for hardening, or crosslinking, a hydrophilic colloid in a photographic element.

Abstract: The present invention provides liquid, destructible fluorinated nonionic surfactants that are water-soluble or dispersible, that are useful as stabilizers for emulsions, and that on curing as a layer on a substrate can provide the substrate with an oil- and water-repellent coating that is free of surfactant, the destructible surfactant comprising a fluorocarbylalkoxysilane having at least one polyfluorinated aliphatic group that is both hydrophobic and oleophobic and at least one, preferably two, polyoxyalkylene or other hydrophilic groups which can be cleaved from the hydrophobe by hydrolysis. More particularly, a fluorocarbylalkoxysilane comprises at least one polyfluorinated aliphatic group and at least one polyoxyalkylene group or other hydrophilic group, said fluorocarbylalkoxysilane being destructible by hydrolysis.