Modification of PVA by boric acid to enhance PVA water resistance is presented.Various factors influencing quality of modified PVA are discussed in details.

• 介绍了用硼酸对聚乙烯醇进行了改性,使其耐水性得到提高,对影响改性聚乙烯醇的各种因素进行了深入的讨论。