PPC/DK1N and PPC/DK3 were nanocomposites with intercalated microstructure, while PPC/Na-MMT was not a nanocomposite.

• PPC/DK1N和PPC/DK3形成了插层型纳米复合材料，而PPC/Na-MMT则未能形成插层型纳米复合材料。