. . "In one embodiment, such amines may be represented by the following graphic formula, ##STR4## wherein R1 is a C6 -C20 alkyl or C6 -C20 alkenyl, n is an integer of from 2 to 4, and x and y are each average numbers ranging from about 2 to about 24, the sum of x and y being a number of from about 4 to about 48." . .