改性花生壳纤维素复合高吸油树脂的合成及性能

Synthesis and adsorption properties of oil-absorption resin and peanut shell composite

利用过氧酸法提取花生壳中的纤维素,利用两种不同的改性剂对所提取的花生壳纤维素的表面进行疏水改性。以丙烯酸丁酯、甲基丙烯酸丁酯和苯乙烯为单体,利用悬浮聚合法制备了花生壳纤维素复合高吸油树脂。通过进行正交实验确定分散剂、交联剂、引发剂及改性花生壳纤维素的用量。该复合树脂对四氯化碳、三氯甲烷及甲苯的最大的吸油倍率分别达到了52.36 g/g,45.28 g/g,32.62 g/g。对改性前后的纤维素进行红外光谱(FTIR)、扫描电镜(SEM)以及动态疏水性分析;并对复合高吸油树脂进行扫描电镜(SEM)和热重(TGDTA)分析。

The cellulose was extracted from peanut shell by methanoic acid and hydrogen peroxide in this paper. The peanut shell cellulose was modified by different modifiers and modified sample became hydrophobic.A high-oil-absorption resin was synthesized by suspension polymerization, with butyl acrylate （BA）, butyl methacrylate （BMA） and styrene （St） as the monomers.The optimal dosage of dispersant, cross linker, initiator and hydrophobic peanut shell cellulose were determined by orthogonal experiment. Oil absorption rate of the composite resin was about 52.36 g/g for carbon tetrachloride, 45.28 g/g for chloroform and 32.62 g/g for toluene.The samples were characterized by hydrophobicity analysis; Fourier transformed infrared （FTIR）, scanning electron microscope （SEM）, and thermogravimetric differential thermal analysis （TG-DTA）.