The desire for this lightweight and flexible electronics has grown increasingly, and the flexible and wearable electronic textiles can be realized by coating traditional textiles with conductive materials. Here, the conductive silk fabrics are prepared by coating graphene oxide (GO) onto silk fabrics and followed by thermal reduction. The scanning electron microscope results show that the GO coated onto silk fabrics successfully forms a continuous thin film. The oxygen functional groups are removed by thermal reduction. The main structure (β‐sheet structure) of silk fabrics is not destroyed through a series of treatment, guaranteeing good mechanical properties. The resistivity and conductivity of silk fabrics using regenerated silk fibroin as a glue can reach 3.28 KΩ cm−1, 3.06 × 10−4 S cm−1 respectively, which can meet the electron conductive requirement of wearable electronics. Thus, it can be used for sensors, portable devices, and wearable electronic textiles.
The image-processing method, based on Photoshop software, was used to analyze the fiber distribution pattern in yarn cross section for vortex-spun yarn. Fiber packing density and fiber effective packing density, as well as the fiber migration index, were investigated to provide a better understanding of the internal structures of vortex-spun yarn. The research results indicate that the vortex-spun yarn has a lower fiber packing density value than the conventional ring-spun yarn at the yarn center and surface. For the bamboo pulp fiber/white cotton blend vortex-spun yarn, the bamboo pulp fibers are more easily distributed in the yarn core. In addition, the coarser the vortex-spun yarn, the higher the migration level of the bamboo pulp fiber tending to migrate towards the inner layer of the blend yarn.
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