The preparation and application of starch/polyalcohol vinyl(PVA) composites are introduced.The advantages and disadvantages of solution casting,blending extrusion and moulding are discussed.

• 介绍了淀粉/PVA生物降解塑料的制备方法,并分析了溶液流延法、共混挤出和模压成型法的优缺点,阐述了这些技术在淀粉/PVA塑料制备中的进展。