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Four oil absorbents based on styrene butadiene (SBR),i. e., pure SBR (PS), 4- tert-butylstyrene-SBR (PBS),EPDM-SBR network (PES) and 4-tert-butylstyrene-EPDMSBR ( PBES ), were produced from crosslinking polymerization of uncured styrene butadiene rubber (