Modifying Mg/Al Composite Catalyst for Preparing Narrow-range Distribution Polyether

Bing Pan, Xiujun Liu, Shuangheng Ma, Bin Wang


The modifying Mg/Al composite catalyst was prepared by co-precipitation method and it was characterized by FTIR
and BET. It was used in the ethoxylation between ethanls and EO, and the narrow-range distribution polyethers which
have steady properties were prepared. The product was characterized by FTIR and GC/MS. The molecular weight
distribution of the product can arrive to 83.28%.

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