扫描电镜分析结果表明，CA的加入改善了淀粉的塑化程度，提高了TPS在PE中的分散分散性，同时TPS和PE之间也没有了明显的相界面，基本上形成了一个均匀的连续相体系。

By SEM analysis, the addition of CA improved the mutual disperse of TPS and PE, and there also isn't obvious phase interface. So TPS and PE formed an evenly continuous phase system on the whole.

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