Modification of alternative additives and their effect on the rubber properties Darina Ondrušová, Slavomíra Božeková, Lenka Buňová, Mariana Pajtášová, Ivan Labaj, Andrej Dubec and Juliána Vršková MATEC Web Conf., 157 (2018) 07007 Published online: 14 March 2018 DOI: 10.1051/matecconf/201815707007