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Aromatic polyester polyols have a wide range of applications and currently the market penetration rate in my country is low.
There are many types of polyester polyols. According to whether they contain benzene rings, they can be divided into aromatic polyester polyols and aliphatic polyols. Aromatic polyester polyols refer to polyester polyols obtained by polymerizing phthalic anhydride and diols or triols. Aromatic polyester polyol appears as a light yellow to brown-red transparent liquid with a…