The disclosure provides, in various embodiments, a method for fractionating a polyalkylene, and the fractionated polyalkylene produced thereby. The method includes, for example, separating, from a starting polyalkylene, a first portion of a polyalkylene having a Mw less than the Mw of the starting polyalkylene. Also included are carriers, phase change inks and toners comprising the fractionated polyalkylene, such as the first portion of a polyalkylene.