模板

Transparent, durable and thermally stable PDMS-derived superhydrophobic surfaces

ty10086 提交于 周四, 08/26/2021 - 13:29
Abstract(#br)We reported a novel, simple, modification-free process for the preparation of transparent superhydrophobic surfaces by calcining candle-soot-coated polydimethylsiloxane (PDMS) films. Though a calcination process, a candle soot template was gradually removed while robust fibrous and network structures were created on glass. Owing to these structures, the glass substrates were durable and highly transparent with an average transmittance (400–800\u003cce:hsp sp=\"0.25\"/\u003enm) of 89.50%, very closed to the bare glass slides (89.70%).

一种制备具有抗菌和油水分离能力的光热丝素气凝胶的简便策略。

ty10086 提交于 周三, 08/25/2021 - 15:39
具有光热转换能力的窗帘能够在太阳辐射作用下暖化房间,提高建筑的热能利用效率,从而降低冬季能耗。本文采用冷冻干燥固化法,以丝素蛋白( SF )为模板和支架,硫化铜纳米颗粒( CuS NPs )为光热转化材料,聚乙二醇( PEG )为增塑剂,聚二甲基硅氧烷( PDMS )为封装剂,合成了一种光热丝素气凝胶。结果表明,SF作为模板可能会引导CuS NPs的生长,PEG的引入提高了制备的CuS @ SF气凝胶的柔韧性。复合CuS @ SF-PEG / PDMS气凝胶既保留了SF气凝胶的初始特性,又集疏水性、快速抗菌能力、高性能光热转换效率、稳定开关效应于一体。轻质、自热的SF基气凝胶可应用于智能窗帘等家用纺织品的制备。除此之外,它还可作为吸收剂用于从水中清除粘稠油,从而扩大SF基生物材料的应用范围,以满足可持续发展的要求。

一种制备具有抗菌和油水分离能力的光热丝素气凝胶的简便策略

ty10086 提交于 周三, 08/25/2021 - 15:37
具有光热转换能力的窗帘能够在太阳辐射作用下暖化房间,提高建筑的热能利用效率,从而降低冬季能耗。本文采用冷冻干燥固化法,以丝素蛋白( SF )为模板和支架,硫化铜纳米颗粒( CuS NPs )为光热转化材料,聚乙二醇( PEG )为增塑剂,聚二甲基硅氧烷( PDMS )为封装剂,合成了一种光热丝素气凝胶。结果表明,SF作为模板可能会引导CuS NPs的生长,PEG的引入提高了制备的CuS @ SF气凝胶的柔韧性。复合CuS @ SF-PEG / PDMS气凝胶既保留了SF气凝胶的初始特性,又集疏水性、快速抗菌能力、高性能光热转换效率、稳定开关效应于一体。轻质、自热的SF基气凝胶可应用于智能窗帘等家用纺织品的制备。除此之外,它还可作为吸收剂用于从水中清除粘稠油,从而扩大SF基生物材料的应用范围,以满足可持续发展的要求。