Monografiya predstavlyaet soboy fundamental'nyy obzor vazhneyshikh teoreticheskikh i eksperimental'nykh rezul'tatov issledovaniy v oblasti radiatsionnoy fizikokhimii geterogennykh sistem, poluchennykh na osnove polivinilkhlorida (PVKh). Rassmatrivayutsya protsessy, proiskhodyashchie v kompozitakh pod deystviem beta-izlucheniya, obsuzhdayutsya voprosy rasseyaniya chastits, poteri i preobrazovaniya energii. Bol'shoe vnimanie udeleno vliyaniyu beta-izlucheniya na vyazkouprugie, elektrofizicheskie, kineticheskie svoystva PVKh-sistem. S privlecheniem novogo matematicheskogo apparata opisany diffuzionnye protsessy, modulyatsiya provodimosti i radiatsionnaya spektroskopiya energoobmena v PVKh-kompozitakh. Rassmotreny istochniki beta-izlucheniya, sposoby prigotovleniya materialov, obespechivayushchikh poteryu energii beta-chastits, eksperimental'nye metody ikh issledovaniya. Sdelany vyvody o vozmozhnom ispol'zovanii geterogennykh PVKh-sistem v oblasti radiatsionnoy zashchity. Dlya fizikov, fizikokhimikov, spetsialistov, interesuyushchikhsya voprosami vzaimodeystviya beta-izlucheniya s PVKh-sistemami.