三维多孔弹性体海绵的可控制备及吸油性能研究
Study on Controllable Preparation and Oil Absorption Performance of Three-Dimensional Porous Elastomeric Sponge
摘要: 以白砂糖颗粒为致孔剂，采用模板法制备了具有三维多孔结构的疏水亲油型聚二甲基硅氧烷(PDMS)弹性体海绵吸油材料。考察了白砂糖颗粒尺寸、填充浓度、吸附时间等条件对弹性体海绵吸油性能的影响。结果表明：采用粗粒径白砂糖作为致孔剂、80%填充浓度条件下制备的PDMS多孔材料具有最佳的吸油性能，吸油率高达205.3%。通过物理挤压PDMS多孔海绵，可以将材料中吸收的油类物质回收，并且吸油性能得到恢复，从而实现材料的循环使用。该研究为水体油污的去除以及油水分离提供了一种经济、高效的吸油材料。
Abstract: The hydrophobic and oleophilic polydimethy lsiloxane (PDMS) elastomer sponge oil-absorbing material having a three-dimensional porous structure was prepared by a template method using white sugar particles as a porogen. The influence of white sugar particle size, filling concentration and adsorption time on the oil absorption performance of elastomer sponges were investigated. The experimental results indicate that the PDMS porous material prepared by using coarse-grained white granulated sugar particles as porogen and 80% filling concentration has the best oil absorption performance, and the efficiency of oil absorption can reach 205.3%. The porous PDMS oil-absorbing material can recover the absorbed oil solution only by the physical extrusion, and the material can also restore the oil-adsorption capacity, being renewable. The study provides an economical and efficient material for the removal of oil from water and the oil-water separation.
文章引用：陈世, 张子贺, 雷德河, 沈超, 高琦, 李佳霓, 潘 超. 三维多孔弹性体海绵的可控制备及吸油性能研究[J]. 材料科学, 2019, 9(8): 813-820. https://doi.org/10.12677/MS.2019.98101

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