Mass spectra of molecular products formed during friction of polymers |
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Authors: | A O Pozdnyakov B M Ginzburg O F Pozdnyakov |
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Affiliation: | (1) Department of Applied Mechanics and Engineering Science, University of California, San Diego, CA, USA |
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Abstract: | The molecular compositions of products formed during the friction of polymers poly(methyl methacrylate), polystyrene] in
both symmetric (same materials) and asymmetric (different materials) polymer-on-polymer friction pairs have been determined
by using mass spectrometry. In addition to monomers, which are formed during friction as a result of the depolymerization
of the corresponding free macroradicals, the mass spectra reveal new products. The formation of these products is explained
by the interaction of monomers with hydrogen molecules, which are also formed in the contact zone. |
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