Styrenic polymers are a group of synthetic materials made from the polymerization of styrene, a colorless liquid that is a byproduct of petroleum. These polymers are known for their versatility, strength, and resistance to heat and chemicals. Common types include polystyrene, styrene-butadiene rubber, and styrene-acrylonitrile, each with unique properties that make them suitable for various applications. These materials are widely used in industries such as packaging, automotive, and consumer goods. Their lightweight nature and ease of processing allow for the creation of products like plastic containers, toys, and automotive parts. Styrenic polymers can also be modified to enhance specific characteristics, making them adaptable for different uses.