A synthetic method for substituted amino-terminalgroup polyester hyperdispersants is researched and the optimum conditions for polyester chain with suitable length are chosen.
对含取代氨端基的聚酯类超分散剂的合成方法进行了研究，并为获得适当长度的聚酯链选择了最佳合成条件。
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Trace water in the initiator system is an important factor which affects the initiating terminalgroup structure and the performance of the random copolymer of ethylene oxide and propylene oxide.
The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminalgroup and the amount of reducing agent added were discussed.