聚碳酸酯（PC）是分子链中含有碳酸酯基的，按照分子结构所带酯基不同，可分为脂肪族、脂环族、芳香族，其中芳香族最具实用价值，并以双酚A型聚碳酸酯最为重要，一般重均分子量（Mw）在2-10万。
PC结构式
全球聚碳酸酯（PC）树脂主要厂商有Covestro、SABIC、Mitsubishi、Lotte Chemical、Teijin Limited、Idemitsu Kosan、Trinseo、奇美、LG Chem、Samyang Kasei、万华化学集团股份有限公司、鲁西集团、利华益维远等。
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