Dresden 2006 – wissenschaftliches Programm
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CPP: Chemische Physik und Polymerphysik
CPP 11: POSTER Disperse Polymer Systems
CPP 11.10: Poster
Dienstag, 28. März 2006, 17:00–19:00, P3
Nanostructure of copolymers of ethylene and 5-ethylidene-2-norbornene and aluminum/polyethylene composites study by very cold neutrons scattering — •Sergey Kuznetsov1, Yurii Lapushkin1, Andrey Udovenko1, Irina Meshkova2, Vitalii Grinev2, Lev Raspopov2, Aleksandr Shchegolikhin2, Elena Kiseleva2, Olga Kudinova2, Liudmila Novokshonova2, and Anatolii Shelagin3 — 1Lebedev Physics Institute, Moscow, Russian Federation — 2Semenov Chemical Physics Institute, Moscow, Russian Federation — 3Moscow Physics Technical Institute, Moscow, Russian Federation
Very cold neutron (VCN) scattering was used to control the nanostructure of copolymers of ethylene and 5-ethylidene-2-norbornene (E/EN) and polymer nanocomposites. The technology of E/EN copolymerization was developed to obtain the heat-resistant materials with high glass transition temperature and increased transparency. Supermolecular structure (SMS) of the E/EN copolymers with different EN concentrations was investigated. It was shown that EN concentration growth lead to decrease the co-polymer crystallinity. We didn*t see the VCN scattering on the E/EN copolymer nanostructure at EN concentration in copolymer >30 molar %. VCN scattering was also used to control the agglomeration of Al particles in Al/PE nanocomposites obtained by polymerization filling method. The dimensions of Al particles were determined. The macroproperties of Al/PE composites with various dimensions and concentrations of Al particles were compared.