Hundreds and perhaps even thousands of years before Charles Goodyear discovered the vulcanization process that made commercial rubber viable, Mesoamerican peoples were carrying out a similar process ...
Novel ultra-fine full-vulcanized powdered rubber/ethylene-propylene-diene terpolymer (UFPR/EPDM) blends were firstly prepared by compounding ultra-fine full-vulcanized SBR or NBR particles into EPDM ...