"Polyamines and/or polyamine telechelics can be derived from the acid-catalyzed polyols and/or polyol telechelics of the present disclosure, such as having the structure of R1HN???[R???O-]n???R???NHR2, where R1 and R2 are independently chosen from hydrogen, alkyl, aryl, aralkyl, alicyclic, cycloalkyl, and alkoxy groups; R is a linear or branched alkylene radical having about 5 carbon atoms or more," . . . . . .