TEM analysis indicates that the composite particles show a core-shell structure, and the particle sizes of PU substrate have great influence on the morphology of composite particles.

透射电镜分析表明，复合粒子呈核壳结构，聚氨酯乳胶基材的粒径大小对复合粒子的形貌有较大影响。

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TEM analysis indicates that the composite particles show a core-shell structure, and the particle sizes of PU substrate have great influence on the morphology of composite particles.

透射电镜分析表明，复合粒子呈核壳结构，聚氨酯乳胶基材的粒径大小对复合粒子的形貌有较大影响。

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