Provided is a method for producing a polymer for an electronic material having a low content of metal ion impurities and a polymer for an electronic material obtained by such method.
The method for producing a polymer for an electronic material according to the present invention comprises a polymerization step of obtaining a polymer by polymerizing a monomer(s) and a purification step of adding a strong acid having 0 or less pKa to the polymer solution and subsequently performing an ion exchange treatment to reduce the concentration of the metal ion impurities.
本发明提供了一种生产
金属离子杂质含量低的电子材料用聚合物的方法,以及通过该方法获得的电子材料用聚合物。
根据本发明,生产电子材料用聚合物的方法包括:通过聚合单体获得聚合物的聚合步骤;向聚合物溶液中添加 pKa 值为 0 或更小的强酸并随后进行离子交换处理以降低
金属离子杂质浓度的净化步骤。