Thermoplastic Polyurethane Reinforced with Continuous Carbon Fiber Tows: Manufacturing Technique and Fabric Property Evaluation

Lin, Mei‐Chen; Lin, Jia‐Horng; Bao, Limin

doi:10.1007/s10443-021-09867-1

Cited by 12 publications

(5 citation statements)

References 28 publications

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“…33 Contrary to the results of previous studies, the carbon fiber knitted composites demonstrate a two-stage failure, namely failure of carbon fibers and failure of TPU. [18][19][20] The carbon fiber knitted composites are shaped in one piece because of hot pressing. They have no damage in several sections, and tensile failure is simply present in a specified section.…”

Section: Resultsmentioning

confidence: 99%

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Extrusion/hot pressing processing and laminated layers of continuous carbon fiber/thermoplastic polyurethane knitted composites

Lin

Bao

2021

Polymer International

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Extrusion is employed to combine carbon fiber tows and thermoplastic polyurethane (TPU) blend. TPU-cladded carbon fibers undergo knitting to form carbon fiber knitted composites. Microscopic observation proves that the compound carbon fibers are composed of a double-layered structure with interfacial bonding and fiber axial alignment. In addition, the TPU coating can reduce friction during knitting, which provides the carbon fiber knitted composites with flexibility and resilience. Regarding the mechanical properties, the tensile strength is in direct proportion to the number of lamination layers. In particular, sixlayered knitted composites exhibit an optimal tensile strength of 43.72 MPa, whereas four-layered knitted composites exhibit optimal tensile elongation. Through the manufacturing and evaluations in this study, continuous carbon fibers can be fabricated via extrusion, thereby obtaining a knitted structure that can be laminated to strengthen the mechanical properties and electromagnetic interference shielding efficacy of the laminated composites. Large composites can also be achieved, which overcomes the limits of continuous carbon fibers in subsequent production.

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Section: Resultsmentioning

confidence: 99%

“…Knitting needles may be restricted to the small voids among compound carbon fibers; thus, high friction forces among fibers could break the carbon fibers. 20 The basic properties, manufacturing process and fabrication parameters of compound carbon fibers have been discussed, whereas those of carbon fiber knitted composites remain unclear.…”

Section: Introductionmentioning

confidence: 99%

Extrusion/hot pressing processing and laminated layers of continuous carbon fiber/thermoplastic polyurethane knitted composites

Lin

Bao

2021

Polymer International

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“…The carbon fiber prepreg was laid on the mold according to the layup requirements, and the blank was sealed in a vacuum bag and placed in the autoclave. [ 28 ] Under the vacuum state, the use of hot pressing the uniform temperature and uniform pressure generated by the tank are cured, resulting in a high‐quality carbon fiber composite lap bar arm on the surface and interior. The finished lap bar arm is shown in Figure .…”

Section: Methodsmentioning

confidence: 99%

Applicability Analysis of Carbon Fiber Composite Materials for a Novel Lightweight Designing Lap Bar of Amusement Ride

et al. 2023

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“…The overlap angle did not affect the shielding performance of the woven fabrics but had a significant impact on the SE values of unidirectional fabrics. Lin et al 42 used coextrusion technique to combine carbon fiber tows with thermoplastic polyurethane (TPU) to give composite carbon fibers (CCF). Carbon fiber acts as a core and TPU acts as a shell to give CCF that are fabricated into woven and knitted composites.…”

Section: Mechanisms Of Shielding "Shielding Effectiveness" (Se)mentioning

confidence: 99%

Evolution of Surface Engineering in the Development of Textile-Based EMI Shields─A Review

Jagadeshvaran

Bose

2023

ACS Appl. Electron. Mater.

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Innovations in electronics and the rapid developments in communication systems have been unprecedented and made life easier. One such advancement is wireless electronics, where gadgets operate in gigahertz frequencies, transmitting and receiving signals in the form of electromagnetic (EM) waves during their operation. The increased presence of EM waves in the atmosphere has led to EM pollution. With the miniaturization of devices, there is an increased volume of complex circuitry in a limited space, causing interference between them during operation, termed “electromagnetic interference” (EMI). EMI concerns are rising as they are considered severe threats to devices and their functioning. Flexible and lightweight EMI shielding materials are vital to combat this issue. Functional textiles are considered promising candidates with increasing attention due to their outstanding flexibility. They offer excellent design scope and can be integrated with different materials like metals, polymers, and their composites in different levels (fiber, yarn, and fabric). This review provides a concise note on the fundamental concepts and mechanisms of EMI shielding and emphasizes how textiles for EMI shielding applications have evolved over the past two decades. From metal yarn coweaved fabrics to multifunctional coatings, tremendous progress has been made design-wise. This review presents a holistic view of all these design architectures, critically analyzing their pros and cons, and a perspective indicating future research directions.

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Thermoplastic Polyurethane Reinforced with Continuous Carbon Fiber Tows: Manufacturing Technique and Fabric Property Evaluation

Cited by 12 publications

References 28 publications

Extrusion/hot pressing processing and laminated layers of continuous carbon fiber/thermoplastic polyurethane knitted composites

Extrusion/hot pressing processing and laminated layers of continuous carbon fiber/thermoplastic polyurethane knitted composites

Applicability Analysis of Carbon Fiber Composite Materials for a Novel Lightweight Designing Lap Bar of Amusement Ride

Evolution of Surface Engineering in the Development of Textile-Based EMI Shields─A Review

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