Isothermal Vapor-Liquid Equilibrium Data for the Hexafluoropropylene (R1216) + Propylene System at Temperatures from (263.17 to 353.14) K Coquelet, C.; Valtz, A.; Naidoo, P.; Ramjugernath, D.; Richon, D.; Journal of Chemical & Engineering Data 2010, 55, 1636-1639