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    • 1. 发明申请
    • METHOD FOR TREATING TEXTILE WASTE CONTAINING THERMOPLASTIC FIBRES
    • 一种用于处理纺织废料与热塑性纤维UNIT
    • WO99007531A1
    • 1999-02-18
    • PCT/CZ1997/000028
    • 1997-08-04
    • B29B17/00C08J11/06D01G9/14D01G11/00B09B3/00C08J11/00C08J11/04D01G13/00
    • D01G9/14B29B17/0026B29K2105/16B29K2313/00C08J11/06D01G11/00Y02W30/62Y02W30/66Y02W30/701
    • The invention concerns a the treatment of textiles containing thermoplastic fibres in a proportion of 8 to 98 % by weight. Said textiles are disintegrated by dry process. The disintegrated particles should have the following dimension: at least 90 wt. % should have a maximum length of 30 mm and at least 10 wt. % of them should have a length exceeding 10 mm. The method consists in reacting the resulting disintegrated textiles with 3 to 30 wt. % (with respect to the textile weight) of molten thermoplastic polymer waste and adding further 3 to 60 wt. % (with respect to the textile/polymer waste mixture) flue ash and/or microslag with particle size of 0.1 to 3 mm. The resulting mass is homogenised by mixing with constant heat supply adjusted such that the resulting mass preserves its viscous state. This process lasts about 10 to 60 minutes. The resulting substance is then optionally compressed while it is still hot at a pressure of 0.5 to 5 MPa's.
    • 在该技术中被处理为8至98重量%的热塑性纤维含量纺织品。 纺织品被分解在干燥状态。 崩解的颗粒必须是以下尺寸:至少90重量%可高达30mm长和至少10重量%,则颗粒必须大于10mm。 将由此粉碎的纺织品(基于干重)的具有3至30重量%的干酪热塑性废聚合物混合,并(基于纺织/废聚合物混合物)3〜60重量%的飞灰和/或微熔渣粒度0 ,1至3mm左右。 由此获得的质量是通过混合并在恒定的热输入均化进行控制,使得所得到的组合物保持其粘性的状态。 这大约需要10至60分钟。 然后,将如此获得的物质被压在0.5至5MPa的压力下根据需要仍然温暖。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR FORMING MELT SPUN NONWOVEN WEBS
    • 用于形成MELT SPUN NONWOVEN WEBS的方法和装置
    • WO2007033339A3
    • 2007-05-31
    • PCT/US2006035883
    • 2006-09-14
    • HARTGE PERRY
    • HARTGE PERRY
    • D01G9/14D01G25/00D01G99/00
    • D01D5/0985B29C47/0014B29C47/20B29C47/30D01D5/092D04H3/005
    • A method and apparatus for forming nonwoven melt spun webs by spinning a curtain of filaments into a pressurized chamber where they are contacted with pressurized quenching fluid, then using the fluid to draw the filaments through a slot at the bottom of the chamber. The slot is a narrow two dimensional impingement point running the length of the filament curtain where the pressurized quench fluid passes through, escaping to atmosphere. The fluid pressure (potential) energy in the chamber is exchanged for velocity (kinetic) energy at the slot impingement point. The fast moving stream of fluid inside and exiting the slot acts to pull, or draw the filaments through the slot. The fluid and fiber stream is deposited onto a porous collection conveyor belt, forming a fleece web. The invention is more efficient, less complicated, easier to maintain and easier to control than prior systems for melt spinning nonwoven webs.
    • 一种用于形成无纺熔纺纤维网的方法和设备,其通过将长丝帘线旋转到加压室中,在该加压室中与加压骤冷流体接触,然后使用流体通过腔室底部的槽拉丝。 狭槽是一个狭窄的二维冲击点,其运行长丝帘幕的长度,加压淬火液通过,逃逸到大气中。 腔中的流体压力(电位)能量被交换为在狭缝冲击点处的速度(动能)能量。 内部和离开狭槽的快速流动的流体用于拉动或拉出细丝通过狭槽。 将流体和纤维流沉积到多孔收集传送带上,形成羊毛网。 本发明比熔融纺丝非织造纤维网的现有系统更有效,更不复杂,更易于维护并且易于控制。