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等离子涂层工艺用于生产多功能医用纺织品 - China Medical Device Manufacturer
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Wed, January 17th, 2018

2007年11/12月CMDM电子快讯 » 技术新知
等离子涂层工艺用于生产多功能医用纺织品

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等离子体涂层的纺线织成织物具有抗菌、抗静电的特性。
Empa瑞士材料科技研究中心(瑞士,圣加仑)的等离子表面改性部的小组主管Dirk Hegemann认为,等离子表面处理是一项已用于多领域的成熟技术,但其在医用纺织品方面的应用尚未被充分发掘。中心的研究人员正致力于解决该问题。将该技术用于纺线制成纺织品可增强产品的抗菌、抗静电性能,提高疏水性、亲水性、生物相容性以及光滑度。该技术在改善长期病人监控方面也具有潜在应用价值。

Hegemann说:等离子涂层在用于纺纱的持续涂层方面还没有实现商品化。Empa目前正在开发一项新技术,以实现其商品化。银涂层具有抗菌和导电特性,这方面的应用激发了研究人员的兴趣。

这种涂层是用原子层一层一层的涂上的。这使研究人员可以精确控制银在纺线上的沉积量,以精细调整其粘附特性。Hegemann还补充道,通过对纤维和纺线表面进行纳米级的调整,纺织物可以保留弹性、机械强度、触感等纺织特性。

等离子体是由电场激发的活性离子化气体。不管等离子体的状态(例如气体成分、能量输入、压力)如何,都能实现高水平的工艺控制。由于该工艺是一种干式技术,它可以替代纺织业中的湿化学处理过程,避免消耗大量的水和化学物品。它还可以实现对表面可湿性的选择性调整。

等离子体涂层的纺线织成织物具有抗菌、抗静电的特性,可以防止血液或分泌物通过该种材料。必要时这些特性可以使衣物具有杀灭细菌,防止仪器荷电的作用。Hegemann认为,它还具有疏水性、亲水性、生物相容性、减小摩擦等多种特性。

银涂层还可赋予纺线传导性,使其可以用作纺织物电极。这种材料可以用来制造衣物,使作为长期病人监控的 ECG设备使用寿命延长一倍。纺织物电极还可用于电刺激产品。Hegemann说,事实上,多功能纤维制品可以促进大量新产品的推出。

而且,他们还和位于苏黎世的瑞士联邦理工学院(ETH)以及肌肉刺激设备生产商Compex Mdical S.A.公司(瑞士,Ecublens)进行合作,探讨该技术在神经修复技术和组织再生方面的适用性。


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