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首页> 外文期刊>Polymers for advanced technologies >Hierarchical structure microspheres of PCL block copolymers via electrospraying as coatings for fabric with mechanical durability and self‐cleaning ability
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Hierarchical structure microspheres of PCL block copolymers via electrospraying as coatings for fabric with mechanical durability and self‐cleaning ability

机译：PCL嵌段共聚物的层次结构微球通过电喷雾作为具有机械耐久性和自清洁能力的织物涂层

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> The various morphology and structure microspheres were fabricated via one‐step single‐solvent electrospraying of hydrophilic and hydrophobic block modified copolymer of polycaprolactone (PCL). A honeycomb‐like hierarchical structure microspheres of PCL‐ b ‐PTFOA(4h) and abundant nanometer pores of PCL‐ b ‐PEG400 microspheres were obtained due to the solvent evaporation, thermally and polymer diffusion‐induced phase separation effect. Furthermore, a superhydrophobic coatings and robust superhydrophobic‐coated cotton woven fabric surfaces were prepared by using PCL‐ b ‐PTFOA(4h) microspheres with hierarchical structure and low surface energy. The contact angle (CA) and sliding angle (SA) of PCL‐ b ‐PTFOA(4h) microspheres‐coated cotton woven fabric surfaces reached 164.4?±?5.5° and 6.8?±?0.5°, respectively, which allows for self‐cleaning. The self‐cleaning test demonstrated that the coated superhydrophobic surface could shed aqueous dyes and dust without any trace. The superhydrophobic‐coated fabric shows good soaping fastness against mechanical abrasion without significant reduction of CA. This electrospraying coating of block copolymers can provide a simple, facile, and promising technique for producing multifunctional textiles.
机译： > 通过多己内酯（PCL）的亲水和疏水嵌段改性共聚物的一步单溶剂电喷雾制造各种形态和结构微球。 PCL-类似蜂窝状的等级结构微球 - b -pcl-ptfoa（4h）和丰富的纳米孔 b 由于溶剂蒸发，热和聚合物扩散诱导的相分离效果而获得-PEG400微球。此外，通过使用PCL-制备超疏水涂料和鲁棒的超疏水涂覆的棉织织物表面 b - Ptifoa（4H）微球，具有层次结构和低表面能。 PCL-的接触角（CA）和滑动角度（SA） b -ptfoa（4h）微球涂层棉织物表面达到164.4？±5.5°和6.8？±0.5°，允许自清洁。自清洁试验表明，涂覆的超疏水表面可以脱落含水染料和灰尘而没有任何痕迹。超疏水涂覆的织物显示出对机械磨损的良好舒缓牢度，而不会显着减少CA.该嵌段共聚物的电喷雾涂层可提供简单，容易和有希望的生产多功能纺织品。

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