UREA-MODIFIED ISOCYANATES

摘要

A dispersion in an aromatic polyisocyanate of a reaction product of the polyisocyanate and an amine having the formula : <IMG> wherein Q represents hydrogen or hydrocarbyl and R represents a hydrocarbyl radical selected from radicals of the formulae : <IMG> <IMG> and <IMG> or wherein R and Q together with the attached nitrogen atom form a piperidine, morpholine or pyrolidine ring bearing a hydrocarbyl radical on at least one of the carbon atoms adjacent to the nitrogen atom.