Amine polyether polyol and preparation method thereof

The invention discloses amine polyether polyol and a preparation method thereof, and belongs to the technical field of chemical synthesis. According to the technical scheme, the preparation method comprises the following steps: S1, adding a cyclohexylamine compound into a reaction kettle, carrying out nitrogen displacement, vacuumizing, stirring, heating to a reaction temperature, introducing alkylene oxide into the reaction kettle, and carrying out a polymerization reaction to obtain an intermediate product after the reaction is finished; and S2, adding an alcohol amine compound and an alkali metal catalyst or an amine catalyst into the intermediate product obtained in the step S1, vacuumizing, adding alkylene oxide, carrying out a polymerization reaction, and after the reaction is finished, carrying out post-treatment on the obtained product to obtain the amine polyether polyol. According to the invention, the cyclohexylamine compound is used as a main initiator, an alcohol amine initiator can be added, the