Effect of accelerated protons on the molecular-topological structure and thermal stability of poly(vinylidene fluoride) |
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| Authors: | S R Allayarov Yu A Ol’khov I N Shtefan K I Muntele D Ila D A Dixon |
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| Institution: | 1.Institute of Problems of Chemical Physics,Russian Academy of Sciences,Chernogolovka, Moscow oblast,Russia;2.Howard J. Foster Center for Irradiation of Materials,Alabama A&M University,Normal,USA;3.Department of Chemistry,the University of Alabama,Tuscaloosa,USA |
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| Abstract: | The bombardment of poly(vinylidene fluoride) (PVDF) with accelerated protons in vacuum results in the release of gaseous products
and the destruction of cluster junctions in its pseudo-network structure, which pass to the crystalline ones of three modifications
with different temperatures and rates of melting, the molecular mass of crystallized chains, and their weight fractions. The
composition of gaseous products indicates that, upon proton bombardment, the detachment of fluorine or hydrogen atoms yielding
H2 and HF occurs as the main process, and the scission of the carbon chain hardly takes place in this case. |
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