In some embodiments, the heteroalkane includes a poly(oxyalkylene) segment of formula ???O(CmH2mO)y??? or a poly(dialkylsiloxane) segment of formula ???[Si(CwH2w+1)2O]y??? where w is an integer of 1 to 10, y is an integer of 2 to 20, and m is an integer of 1 to 6.