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    Hollow tubular oil absorbing material and preparing method thereof
    85.
    发明授权
    Hollow tubular oil absorbing material and preparing method thereof 有权
    中空管状吸油材料及其制备方法

    公开(公告)号：US09573113B2

    公开(公告)日：2017-02-21

    申请号：US14778102

    申请日：2014-10-28

    申请人： TIANJIN POLYTECHNIC UNIVERSITY

    发明人： Changfa Xiao ,  Zitao Wang ,  Jian Zhao ,  Xiao Hu ,  Qinglin Huang

    IPC分类号： B01J20/32 ,  B01J20/02 ,  B01J20/22 ,  B01J20/28 ,  B01J20/30 ,  B01J20/26

    CPC分类号： B01J20/0262 ,  B01J20/20 ,  B01J20/22 ,  B01J20/26 ,  B01J20/28 ,  B01J20/28045 ,  B01J20/28054 ,  B01J20/30 ,  B01J20/3206 ,  B01J20/3208 ,  B01J20/3212 ,  B01J20/3234 ,  C09K3/32

    摘要： A hollow tubular oil absorbing material includes: a core formed by a spring, and an outer shell formed by a flat sponge wrapped at the spring; wherein the flat sponge is fixed at both ends of the spring; the flat sponge fully covers all the spring or is sealed at a first end; a connecting tube is connected at a second end of the spring for communicating with a vacuum pump; a graphene oxide layer is coated at the outer sponge. The graphene oxide layer on the flat sponge of hollow tubular oil absorbing material is formed by immersion and coating under negative pressure. Further the reduction of graphene oxide is performed with hydrazine hydrate steam and followed by washing and drying. Finally, a hollow tubular oil absorbing material with a spring core and an outer grapheme-coated sponge structure is obtained, which can be applied to continuous oil-water separation.

    摘要翻译： 中空管状油吸收材料包括：由弹簧形成的芯和由弹簧包裹的扁平海绵形成的外壳; 其中所述扁平海绵被固定在所述弹簧的两端; 扁平海绵完全覆盖所有弹簧或在第一端密封; 连接管连接在弹簧的第二端，用于与真空泵连通; 在外海绵处涂覆石墨烯氧化物层。 中空管状油吸收材料的扁平海绵上的石墨烯氧化层通过在负压下浸渍和涂覆而形成。 此外，还原石墨烯氧化物是用水合肼蒸汽进行的，随后进行洗涤和干燥。 最后，获得了一种具有弹簧芯和外部刻画海绵结构的中空管状吸油材料，可以应用于连续的油水分离。