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This study investigates carbon fabric-reinforced thermoplastic composites produced via hot pressing, using Polyamide PA6 and Polybutylene Terephthalate (PBT) as matrix materials. These materials are increasingly utilized in the development of lightweight, high-performance, multilayer structures, such as aluminum-reinforced laminates, for automotive and aerospace applications. The mechanical properties, including tensile strength and stiffness, were systematically evaluated under varying loading conditions.

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Wearable sensors are increasingly being used as biosensors for health monitoring. Current wearable devices are large, heavy, invasive, skin irritants, or not continuous. Miniaturization was chosen to address these issues, using a femtosecond laser-conversion technique to fabricate miniaturized laser-induced graphene (LIG) sensor arrays on and encapsulated within a polyimide substrate.

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Free pectinase is commonly employed as a biocatalyst in wine clarification; however, its removal, recovery, and reuse are not feasible. To address these limitations, this study focuses on the immobilization of a commercial pectinolytic preparation (Pec) onto highly porous polymer microparticles (MPs). Seven microparticulate polyamide (PA) supports, namely PA4, PA6, PA12 (with and without magnetic properties), and the copolymeric PA612 MP, were synthesized through activated anionic ring-opening polymerization of various lactams.

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Solution processable triarylamine-based polyamide for electrochromic supercapacitors and smart displays with energy reuse.

J Colloid Interface Sci

January 2025

College of Materials, Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, China. Electronic address:

Electrochromic (EC) materials based on ion insertion/desertion mechanisms provide a possibility for energy storage. Solution-processable energy storage EC polyamides have great potential for use in smart displays and EC supercapacitors. A suitable monomer structure design is particularly important for enhancing the electrochemical properties of polyamides.

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Influence of Raster Orientation and Feeding Rate on the Mechanical Properties of Short Carbon Fiber-Reinforced Polyamide Printed by Fused-Filament Fabrication.

3D Print Addit Manuf

December 2024

Institute of Materials Science, Joining and Forming (IMAT), BMK Endowed Professorship for Aviation, Graz University of Technology, Graz, Austria.

Article Synopsis
  • Fused-filament fabrication (FFF) is an affordable and easy-to-use additive manufacturing method with numerous materials, but it involves many overlooked process variables.
  • This study focuses on less-studied variables like raster orientation angles and feeding rates to evaluate their effects on the mechanical properties of short carbon fiber-reinforced polyamide made by FFF.
  • The results showed that a combination of stacking layers at 0°/90° and +30°/-30° provides optimal tensile and flexural strengths, while increasing the flow rate did not enhance part density or mechanical properties.
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