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Isotactic polypropylene

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Single molecule nanoparticles of isotactic polypropylene on mica. Polymer chains of the order of 1 um in a length are folded in nanoparticles many times in a way similar to lamellar packing. The complex structure of nanoparticles is due to the existence of the crystalline core in the center and "amorphous" periphery of chain folds.

Image courtesy of V. Prokhorov, NT-MDT, Moscow, Russia.


isotactic_n300
isotactic_n300
Isotactic polypropylene


size: 0.25x0.25x0.003 um
SPM principle: Intermittent contact mode
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