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    • 4. 发明授权
    • Hydrodynamic spinning of polymer fiber in coaxial laminar flows
    • 聚合物纤维在同轴层流中的流体动力学纺丝
    • US08834780B2
    • 2014-09-16
    • US12920066
    • 2009-03-02
    • Jackie Y. YingMin HuRensheng DengKarl SchumacherMotoichi Kurisawa
    • Jackie Y. YingMin HuRensheng DengKarl SchumacherMotoichi Kurisawa
    • B29C63/06D01D5/24A61L27/52D01D5/38D01D5/28
    • D01D5/28A61L27/52D01D5/24D01D5/38
    • A polymer fiber is formed by hydrodynamic spinning. Fluids are forced to flow through a conduit to form a laminar flow comprising three or more layers of generally coaxial fluid flows, at respective flow rates selected to define a cross-section of a tubular middle layer of the fluid flows. The middle layer comprises a cross-linkable polymer precursor. Another layer of the fluid flows comprise a cross-linking agent. The polymer precursor, cross-linking agent and fluids are selected to prevent substantial diffusion of the polymer precursor away from the middle layer, and to allow a portion of the cross-linking agent to diffuse from the another layer into the middle layer to facilitate cross-linking of the polymer precursor in the middle layer to form a tubular polymer layer in a polymer fiber. The polymer layer thus has a cross-section generally corresponding to the cross-section of the middle layer.
    • 聚合物纤维通过流体动力纺丝形成。 流体被迫流过导管以形成包含三层或更多层大体上同轴的流体流的层流,其各自的流速被选择为限定流体流的管状中间层的横截面。 中间层包含可交联的聚合物前体。 流体流的另一层包含交联剂。 选择聚合物前体,交联剂和流体以防止聚合物前体远离中间层的实质性扩散,并且允许一部分交联剂从另一层扩散到中间层以促进交叉 在中间层中连接聚合物前体以在聚合物纤维中形成管状聚合物层。 聚合物层因此具有一般对应于中间层的横截面的横截面。
    • 9. 发明申请
    • HYDRODYNAMIC SPINNING OF POLYMER FIBER IN COAXIAL LAMINAR FLOWS
    • 聚合纤维在同轴层流中的水动力纺丝
    • US20110006453A1
    • 2011-01-13
    • US12920066
    • 2009-03-02
    • Jackie Y. YingMin HuRensheng DengKarl SchumacherMotoichi Kurisawa
    • Jackie Y. YingMin HuRensheng DengKarl SchumacherMotoichi Kurisawa
    • B29C63/06
    • D01D5/28A61L27/52D01D5/24D01D5/38
    • A polymer fiber is formed by hydrodynamic spinning. Fluids are forced to flow through a conduit to form a laminar flow comprising three or more layers of generally coaxial fluid flows, at respective flow rates selected to define a cross-section of a tubular middle layer of the fluid flows. The middle layer comprises a cross-linkable polymer precursor. Another layer of the fluid flows comprise a cross-linking agent. The polymer precursor, cross-linking agent and fluids are selected to prevent substantial diffusion of the polymer precursor away from the middle layer, and to allow a portion of the cross-linking agent to diffuse from the another layer into the middle layer to facilitate cross-linking of the polymer precursor in the middle layer to form a tubular polymer layer in a polymer fiber. The polymer layer thus has a cross-section generally corresponding to the cross-section of the middle layer.
    • 聚合物纤维通过流体动力纺丝形成。 流体被迫流过导管以形成包含三层或更多层大体上同轴的流体流的层流,其各自的流速被选择为限定流体流的管状中间层的横截面。 中间层包含可交联的聚合物前体。 流体流的另一层包含交联剂。 选择聚合物前体,交联剂和流体以防止聚合物前体远离中间层的实质性扩散,并且允许一部分交联剂从另一层扩散到中间层以促进交叉 在中间层中连接聚合物前体以在聚合物纤维中形成管状聚合物层。 聚合物层因此具有一般对应于中间层的横截面的横截面。