The results showed that the optimal condition for the composite film with good performance are follows: calcium lignosulfonate content 7 g,PVA content 14 g,formaldehyde content 10 g,urea content 7 g,borax content 2.5 g.

• 当原料配比为木质素磺酸钙7 g、PVA 14 g、甲醛10 g、尿素7 g、硼砂2.；5 g时；可以得到拉伸性能和耐水性优良的木质素/PVA复合膜。