INFLUENCE OF GAS MOLECULES SIZE ON THEIR DIFFUSION IN CROSS-LINKED POLYETHYLENE

Khalikov R.M., Ph.D. in Chem. Sc., M.Akmullah Bashkir State Pedagogical University, Ufa, Russia

Shustov G.B., Ph.D. in Chem., Kabardino-Balkarian State University, Nalchik, Russia

Kozlov G.V., Kabardino-Balkarian State University, Nalchik, Russia

It is shown, that the diffusivity reduction at polymer cross-linked is due to drift of gas-diffusant molecules on cross-wise links. A gas molecule diameter raising result to change of effective structural characteristics of cross-linked polymer, that more intensifies this effect.

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