Abstract
A novel cellulose-based oil absorbent crosslinked cellulose-dibutyl sebacate copolymers was prepared by the graft crosslinking polymerization of in situ synthesized dibutyl sebacate and cotton cellulose using potassium persulfate as an initiator. The copolymers were characterized by infrared spectroscopy, X-ray diffraction, scanning electron microscopy, thermogravimetry, differential scanning calorimetry, etc. The effects of reaction conditions, such as, ratio of reaction regents, reaction temperature, reaction time, etc, on the efficiency of oil absorbency were examined. The optimized reaction conditions for the synthesis of crosslinked cellulose-dibutyl sebacate copolymers were: m(cotton pulp):m(K2S2O8 initiator):m(dibutyl sebacate) = 1 0.025 2.0(W/W)，75°C，and 5-6 h. The resulting crosslinked cellulose-dibutyl sebacate copolymers were floppy and exhibited excellent oil absorbency efficiency.
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