Phosphate ester polymers with higher molecular weight have been extensively applied in various fields including medicine and plastics auxiliary, and the lower molecular weight ones are very important in fields such as feedstuff and surfactant.

• 其中，分子量高的聚磷酸酯近年来在医药、塑料助剂等方面有广泛应用，分子量相对较低的磷酸酯类聚合物在饲料、表面活性剂等方面很重要。