Abstract: By the general freezing-dry technology, low density, open-celled microporous polymeric foams, such as polystyrene, can be fabricated.

• 摘要： 介绍了一种利用聚合物和溶剂的相分离，经过冷冻干燥来制备聚合物泡沫（特别是聚苯乙烯类泡沫）的通用技术。