Styrene is an aromatic monomer with the chemical formula C8H8. It is a colorless liquid with a sweet odor. Styrene is used to produce polystyrene (PS), a versatile plastic with various applications in packaging, insulation, and consumer products. Styrene can undergo polymerization through various mechanisms, including free radical, cationic, and anionic polymerization.

苯乙烯是一种芳香族单体，化学式为 C8H8。它是一种无色液体，具有甜味。苯乙烯用于生产聚苯乙烯 (PS)，这是一种用途广泛的塑料，在包装、绝缘和消费品中具有各种应用。苯乙烯可以通过各种机制进行聚合，包括自由基、阳离子和阴离子聚合。