Glycol monomethyl ether, propylene glycol monomethyl ether, ethanol, and eth yleneglycol monophenylether were used as solvents.

• 选择丙二醇甲醚,乙二醇甲醚,丙醇,一半乙二醇甲醚一半乙醇,乙二醇苯醚作为溶剂。