Dear Gandham satya srinivasa Rao, it is not specified whether you are working on a lab scale or on an industrial one. I think on a lab scale nonsolvent precipitation is enough, just to be smart in choosing the adequate couple of dolvents. My Regards
The conventional process for removing unpolymerized styrene is vacuum steam distillation. However, there is another process which consists in bringing the latex into contact with an inert solvent, the styrene being removed by liquid-liquid extraction with pentane.