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提供一种包含孔度放大剂的聚合物挤出泡沫。
Polymer extruded foams that contain cell size enlarging agents are provided.
孔度放大剂可实现具有较大孔度的泡沫的形成，这对于 获得较高的绝热值和优化发泡产品的物理性能是希望的。
The cell size enlarging agent permits the formation of a foam with large cell sizes that are desirable to achieve a high insulation value and to optimize the physical properties of the foamed product.
阐述了高分子包囊的粒径、表面积、孔度、药物性能和药含量，以及高分子包囊材料的性能对药物释放行为的影响。
The effect of the size, surface area and porosity of particles, the property and content of drugs, as well as the properties of polymer on the drug release behavior of microcapsules are elucidated.
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