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    • 2. 发明申请
    • METHODS AND APPARATUS FOR THE PRODUCTION OF MULTI-COMPONENT FIBERS
    • 用于生产多组分纤维的方法和装置
    • US20160023392A1
    • 2016-01-28
    • US14378434
    • 2013-02-12
    • The University of Akron
    • Sadhan JANARafael BENAVIDESDarrell RENEKER
    • B29C47/00B29C47/06B29C47/08
    • B29C48/05B29C48/0018B29C48/0255B29C48/18D01D5/0985D01D5/14D04H3/02D04H3/153D04H3/16
    • The present invention is directed to apparatus and methods for making multi-component microfibers and nanofibers and non-woven fiber mats thereof. In some embodiments, the fibers have diameters ranging from 10 nm or more to 3000 nm or less. In some embodiments, the fibers are made of more than one component and have one or a mix of the following morphologies: core-sheath, side by side, stratified and/or interpenetrating structures. In some embodiments the multi-component fibers are made from two spinnable fluids and in other embodiments the multi-component fibers are made from a single spinnable solution having two different material dissolved within. Unlike certain prior art processes, the present invention does not involve application of an electrical charge to the spinnable fluid to produce the fibers and, as a result, the solvent selection is not limited to those solvents conducive to being electrically charged.
    • 本发明涉及用于制造多组分微纤维和纳米纤维及其非织造纤维垫的装置和方法。 在一些实施方案中,纤维的直径范围为10nm以上至3000nm以下。 在一些实施方案中,纤维由多于一种组分制成,并且具有以下形态之一或混合:芯鞘,并排,分层和/或互穿结构。 在一些实施方案中,多组分纤维由两个可旋转流体制成,在其它实施方案中,多组分纤维由具有溶解在其中的两种不同材料的单一可旋转溶液制成。 与某些现有技术方法不同,本发明不涉及将电荷施加到可纺丝流体以产生纤维,结果,溶剂选择不限于有助于带电的那些溶剂。
    • 9. 发明申请
    • STRAND GUIDE ASSEMBLY AND METHOD OF CONTROLLING A FLOW OF MOLTEN THERMOPLASTIC
    • STRAND GUID ASSEMBLY AND METHOD OF CONTROLLING A FLOW OF MOLTEN THERMOPLASTIC
    • US20110175253A1
    • 2011-07-21
    • US13008098
    • 2011-01-18
    • Thomas H. BilkJoaquin L. Gracia
    • Thomas H. BilkJoaquin L. Gracia
    • B29C47/00
    • D01D11/04B29B9/06B29C48/001B29C48/0255B29C48/05B29C48/30B29C48/345B29C48/911B29C48/919B29L2031/731B65H57/16B65H2701/3132
    • A strand guide assembly, a guiding system, and a method of controlling a flow of molten thermoplastic to form first and second strands moving from an extruder to a finishing apparatus is disclosed. The method comprises the steps of extruding molten thermoplastic to form the strands, routing the strands from the extruder to the finishing apparatus, and cooling the strands. The method comprises the steps of guiding the first strand across one shaped step when guide segments are in a single-step configuration or guiding the first strand across an abutting pair of shaped steps when guide segments are in a dual-step configuration to separate the first and second strands and guiding the second strand across another one of the shaped steps when in the single-step configuration or guiding the second strand across another abutting pair of shaped steps when in the dual-step configuration to separate the first and second strands.
    • 公开了一种引导组件,引导系统和控制熔融热塑性塑料流动以形成从挤出机移动到精加工设备的第一和第二股线的方法。 该方法包括以下步骤:挤出熔融的热塑性塑料以形成股线,将股线从挤出机中引导到精整装置,并冷却股线。 该方法包括以下步骤:当导向段处于单步构造时将引导第一股横跨一个成形步骤,或者当导向段处于双步构型以将第一股分离第一股 以及当处于双步构型以分离第一和第二股线时,第二股线并且当处于单步构造时将第二股线引导成另一个成形台阶,或者引导第二股线穿过另一邻接的成对台阶。