Abstract: A transfer system and transfer method are provided. The transfer system includes one or two transfer sheets. The first transfer sheet has a transfer layer of an aqueous urethane emulsion which, in preferred embodiments, is a layer formed from an emulsion of a urethane resin having carboxy groups and/or an acrylic resin. The second transfer sheet typically includes two transfer layers of a urethane resin and/or acrylic resin, one of the layers containing an inorganic pigment or a metal powder. Images formed on one of the transfer sheets by electrostatic copying or by other means such as hand-drawing can be transferred to various objects including fabrics, glass plates, and metal surfaces to provide clear and decorative images having good abrasion- and water-resistance.

Abstract: The invention provides a novel compound which is a bis(4-alkyl-substituted piperazinylalkyl) ether such as bis[2-(4-methylpiperazinyl)ethyl] ether and bis[2-(4-ethylpiperazinyl)ethyl] ether. The compound, which can be prepared by the dehydrochlorination reaction between a 1-alkyl-substituted piperazine and a bis(chloroalkyl) ether, is useful as a catalyst for the urethane-forming reaction between a polyisocyanate compound and a polyol compound to give an advantage that a sufficiently long mixing time is available to ensure full uniformity of the reaction mixture before substantial proceeding of the reaction.

Abstract: A urethane catalyst which is an imidazole ether compound of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, methyl or ethyl and R.sub.4 is ethylene, n-propylene or isopropylene.The imidazole compounds provide for delayed initiation while maintaining an acceptable cure time in the production of polyurethane foam.

Abstract: Amidines of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkyl groups and the sum of the carbons in R.sub.1 and R.sub.2 is from 2 to 16 are produced by cyanoethylation of the lactam: ##STR2## wherein R.sub.1 and R.sub.2 are as defined above, followed by reduction and, finally, cyclization by dehydration. The compounds produced are useful for curing epoxy and urethane resins.

Abstract: A method of manufacturing polyurethane foam by a reaction of organic polyisocyanates and polyols in the presence of a foaming agent and catalysts comprises using as the catalyst, a salt of carbonic acid and polyamine represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are an alkyl group having 1-4 carbon atoms or R.sub.1 and R.sub.2 are combined to form a heterocyclic ring having 3-6 carbon atoms together with a nitrogen atom; and R.sub.3 is an alkylene group.