What are all the catalysts in the synthesis of polylactic acid?

The catalysts used in the synthesis of PLA are mainly as follows: Tin catalysts: This is a class of catalysts commonly used in the synthesis of PLA, including tin, stannous chloride and stannous octanoate. Among them, stannous octanoate is considered to be the best catalyst. Under certain conditions, PLA synthesised using stannous octanoate as catalyst…