Novel dual peptisers and curing agents derived from PET waste as N-alkyl benzene dicarboxamides for EDPM waste
Ethylene-propylene-diene monomer (EPDM) is widely used in the manufacturing of various components in rubber industries and hence recycling of scrap rubber is a major problem. In the present study, EPDM rubber waste powder has been recycled successfully by using N-alkyl benzene dicarboxamides, derived from PET wasteand other additives. Three aminolysed end products namely 1,4-benzene dicarboxamide, 1,4-benzene dicarbohydrazide and N,N′‐diaminoethyl 1,4‐benzene dicarboxamidewere used as peptisers and curing agents in the EPDM waste formulations. EPDM rubber waste sheets have been prepared at comparatively low temperature using two roll mill and compression moulding machine. Tensile strength, % elongation and hardness have been found in the range 12.23-20.19 kg/cm2, 107-145 % and 46-61, respectively. It has been expected that the developed reclaimed process described in this paper will promisingly support the protection of environment and conservation of resources with favors to rubber waste generated throughout the world.
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