Styrene from Polystyrene

To a 100 mL RBF add 52 g of dense polystyrene pieces, 200 mL receiving flask should be under cold ice bath. Start heating the RBF evenly with a gas torch, when an only small amount of black residue remains, stop the distillation. Then set up for a simple vacuum distillation. Use the styrene immediately or store in a freezer, otherwise, styrene will start to polymerize again.

Distillation of the polystyrene

The crude monomer

Distillation of the crude product

The pure monomeric product

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