Fig. 4From: Effect of graphene on polar and nonpolar rubber matricesA scheme of matured vulcanizates of unfilled and GS-filled NBR and EPDM elastomers: (a) sulfur networks in NBR, (b) sulfur networks in EPDM, (c) sulfur networks among NBR and GS, and (d) sulfur networks among EPDM and GSBack to article page