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The Effect of Cooling Rate during Crystallization on the Melting Behavior of Polypropylenes of Different Chemical Structure

Yulia Lukanina, Anatoliy Khvatov, Natalya Kolesnikova and Anatoliy Popov
Affiliation: 
Emanuel Institute of Biochemical Physics of Russian Academy of Sciences, Kosygina str. 4, Moscow, Russia; hvatovanatoliy@gmail.com
DOI: 
https://doi.org/10.23939/chcht10.04.479
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Keywords:

Abstract: 
The melting behavior of polypropylenes of different chemical structure (isotactic homopolypropylene, propylene-based block and random copolymers and maleic anhydride grafted polypropylene) was studied by differential scanning calorimeter (DSC) and optical microscopy. Melting behavior and the crystal structure of polypropylene and its copolymers were observed depending on the crystallization rate, chemical nature of co-monomer unites and regularity of co-monomer units arrangement in the polypropylene main chain.
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