Polyacrylic acid grafted starch was synthesized.Thick liquid of polyacrylic acid grafted starch was coated on PVA nonwoven fiber to get nonwoven with high water absorptivity.

• 用聚丙烯酸接枝淀粉浆液，在PVA非织造布上形成吸水树脂，从而得到高吸水性非织造布。