Void‐Free Layered Polymeric Architectures via Capillary‐Action of Nanoporous Films,Advanced Materials Interfaces

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Void‐Free Layered Polymeric Architectures via Capillary‐Action of Nanoporous Films
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-01-13 , DOI: 10.1002/admi.201901427
Jeonyoon Lee ₁ , Seth S. Kessler ₂ , Brian L. Wardle ₁

Affiliation

Here, a nanomaterial with morphology‐controlled nanoscale capillaries is utilized to overcome manufacturing challenges in layered polymeric architectures. It is demonstrated that the capillary pressure from a nanoporous film replaces the need for applied pressure to manufacture void‐free layered polymeric architectures. Manufacturing of aerospace‐grade advanced carbon fiber composites is performed for the first time without utilizing pressure from an autoclave. Combined with a conductive curing approach, this work allows advanced composites to be manufactured without costly oven or pressure vessel infrastructure. The nanomaterial‐enabled capillary pressure is quantified as 50% greater than typical pressures used in such processing, and is anticipated to overcome the limitations imposed by the requirement of high applied pressure in many other applications such as adhesive joining of various bulk materials including metals, press forming, and closed‐mold infusion processing of layered composites and polymers.

中文翻译：

通过纳米多孔膜的毛细管作用的无空隙层状聚合物结构

在这里，具有形态控制的纳米级毛细管的纳米材料被用来克服分层聚合物结构中的制造挑战。事实证明，纳米多孔膜的毛细压力取代了制造无空隙的层状聚合物结构所需的施加压力。航空级高级碳纤维复合材料的制造是首次进行，无需利用高压釜的压力。结合导电固化方法，这项工作可以在无需昂贵的烤箱或压力容器基础设施的情况下制造高级复合材料。纳米材料驱动的毛细管压力被量化为比该工艺中使用的典型压力大50％，

更新日期：2020-01-13

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