POLYMER FLUIDITY IMPROVER OF MEDIUM DISTILLATE

摘要

Polymers produced flow improver of middle distillates in which, as flow improver, one implements PPG graft polymerization products comprise 20 to 80% by weight of methacrylic acid esters with alkanols C8-C15, and 80 to 20% by weight of ethylene vinyl acetate copolymers, the viscosity of the ungrafted ethylene vinyl acetate copolymers spec / c is 6 to 50 ml / g and the degree of branching being 3 to 15 CH3 groups per 100 CH2 groups, in a solvent S having a boiling point at least 50 degrees C at a pressure of 760 mm.