Aijaz Muhammad Omer, Alnaser Ibrahim A, Farooq Irfan, Siddiqui Md Irfanul Haque, Yang Seong Baek, Shakeel Faiyaz, Karim Mohammad Rezaul
Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research (DSR), College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia; The King Salman Center for Disability Research, Riyadh 12512, Saudi Arabia.
Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research (DSR), College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia; The King Salman Center for Disability Research, Riyadh 12512, Saudi Arabia; Department of Mechanical Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia.
Int J Biol Macromol. 2024 Aug;275(Pt 1):133598. doi: 10.1016/j.ijbiomac.2024.133598. Epub 2024 Jul 1.
A novel kind of protective apparel for handicapped persons has been created with bio-based electrospun nanofibrous (NFs) membranes. Hydrophobic membranes with fine polylactic acid (PLA) NFs had a smooth, bead-less structure with an average diameter of 950 nm. The hydrophilic layer has a similar pattern but a smaller fiber diameter dispersion and an average diameter of 750 nm. The silica nanoparticle-modified super-hydrophobic top layer (contact angle, ~153°) repels water and keeps the user dry. Super-hydrophilic silver nanoparticles in the fabric's bottom layer react with perspiration to kill microorganisms. The fabric's porosity (avg. 1.2-1.5 μm) allows for breathability, while silica nanoparticles boost infrared radiation reflection, keeping users cool on hot days. The dual-layer textile has 4.9 MPa ultimate tensile strength and 68 % elongation compared to the membrane's super-hydrophobic and super-hydrophilic layers. Wearing protective clothes reduced hand temperature by 25 % in direct sunlight and 13 % in a sun simulator with 1 Sun. This fabric will work well for adult diapers, outdoor clothing, and disability accessories. Overall, the protective textiles may improve the quality of life for disabled and elderly people by providing usable textile items adapted to their needs.
一种新型的残疾人防护服已采用生物基电纺纳米纤维（NFs）膜制成。具有精细聚乳酸（PLA）纳米纤维的疏水膜具有光滑、无珠的结构，平均直径为950纳米。亲水层具有类似的图案，但纤维直径分散较小，平均直径为750纳米。二氧化硅纳米颗粒改性的超疏水顶层（接触角约153°）能排斥水并保持使用者干爽。织物底层的超亲水银纳米颗粒与汗液反应以杀死微生物。织物的孔隙率（平均1.2 - 1.5微米）允许透气，而二氧化硅纳米颗粒增强红外辐射反射，在炎热天气使使用者保持凉爽。与膜的超疏水层和超亲水层相比，双层纺织品的极限抗拉强度为4.9兆帕，伸长率为68%。在直射阳光下，穿着防护服可使手部温度降低25%，在1个太阳强度的太阳模拟器中可降低13%。这种织物适用于成人尿布、户外服装和残疾辅助用品。总体而言，这种防护纺织品通过提供适应其需求的可用纺织物品，可能会改善残疾人和老年人的生活质量。
