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花瓣形状的双层薄膜吸收丙酮分子后,花瓣翩翩起舞,犹如一朵在风中摇弋的萝卜花。“这是聚偏氟乙烯/聚乙烯醇双层膜的仿生形变。”中国科学院深圳先进技术研究院副研究员杜学敏告诉《中国科学报》记者。近日,华东师范大学化学院博士生导师张利东课题组与杜学敏课题组合作,以聚偏氟乙烯(PVDF)和聚乙烯醇(PVA)高分子材料为研究对象,通过模拟生物结构衍生规律,制备出新型智能柔性双层高分子膜材料。
After the petal-shaped double-layered film absorbs acetone molecules, the petals dance gracefully, like a radish flower that shines in the wind. “This is a bionic deformation of polyvinylidene fluoride / polyvinyl alcohol bilayer membrane. ” Du Xuemin, an associate researcher at Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, told the reporter of China Science News. Recently, the East China Normal University PhD supervisor Zhang Lidong task group and Du Xuemin task group work together to polyvinylidene fluoride (PVDF) and polyvinyl alcohol (PVA) polymer materials for the study, through the simulation of biological structure derived law, prepared New intelligent flexible double-layer polymer membrane material.