... good miscibility, moderate evaporation rate, good coalescing and coupling ability, PPH can provide excellent flow and leveling, luster, while helping prevent ... miscibility, moderate evaporation rate, good coalescing and coupling ability, PPH can provide excellent flow and leveling, luster, while helping prevent ... in styrene - acrylic ester copolymer emulsions. Propylene glycol phenyl ether (KL-PPH)