功能

Abstract(#br)A polyethylene (PE) microfiltration membrane with highly ordered and identical straight through-pore microstructure was facilely synthesized via micro-casting. Initially, through embedding the micropillars of silicon micropillar template into a polydimethylsiloxane (PDMS) layer under a press force, we built a micropillar mold cavity (MPMC) and infiltrated PE melt into the cavity by submerging the MPMC into the melt to perforate the PE thin film. Then after a release of the PDMS layer, the solidified PE membrane was peeled off from the template.

文摘( # br )受撒哈拉银蚂蚁( SSant )在极端高温条件下保持凉爽的惊人能力的启发，我们通过模仿其微棒状毛发，开发出一种新型功能的仿古纺织品，以获得有效的太阳能热屏蔽功能。具体来说，合理合成了独特的六方氧化锌( ZnO )微棒( MRs )，并进一步用聚二甲基硅氧烷( PDMS )包复在涤纶织物上，实现了一种仿生太阳能热屏蔽仿古纺织品。在AM 1.5 G太阳模拟器照射1 h条件下，与对照样品相比，所制备织物的表面温度可降低10℃。测试结果表明，合成的涂层材料能够反映近90 %的太阳辐照度，从而导致温度的有效降低。此外，涂层处理后织物的导热性能和透光率也显著提高。综上所述，所提出的仿生涂层材料具有与SSant毛发相似的热屏蔽功能，可在开发太阳能热屏蔽纺织品方面具有潜在的应用前景。