Using the orthogonal experimental technique, we studied modified PVA by formaldehyde, urea and TDI, and analyzed the influence of synthesis condition to its solid content, viscosity, dissolving rate and crosslinking degree.

• 摘要采用正交实验方法，研究了甲醛、尿素和甲苯二异氰酸酯对聚乙烯醇的疏水改性，并分析了合成条件对其固含量、黏度、溶出率和交联度的影响。