Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

Dan, Pan; Liu, Siqi; Wang, Licheng; Sun, Jiatong; Chen, Long; Sun, Bin

doi:10.3390/ma13194279

Cited by 2 publications

(2 citation statements)

References 55 publications

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“…This phenomenon also occurred in other polymers during the melt blending process. [49,50] With the increased of CFs content, dense conductive networks were formed on the surface (see Figure S3). However, the MCMBs (Figure 3F 0 ,F 00 ,I 0 , I 00 ) were almost thoroughly surrounded by the polymer matrix, and not easy to be exposed on the surface of the composites.…”

Section: Fabrication and Structural Features Of Pa66 Compositesmentioning

confidence: 99%

Robust polyamide 66 composites with hybrid fillers for thermal management and electromagnetic shielding

Yang

Zhu

et al. 2023

Polymer Composites

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Carbon materials have been widely used in multifunctional composites with their high electrical and thermal conductivities. However, most current research focuses on nanocarbon materials such as graphene and carbon nanotubes, ignoring their high cost, inability to mass‐produce, and poor dispersion in polymers. To address these issues, we propose one‐step melt‐blending of commercial carbon materials to construct conductive pathways in polymer matrix. Thus, low‐cost and robust polymer composites can be fabricated in a green and scalable way to achieve efficient thermal management and avoid electromagnetic radiation pollution. Here, a continuous network of carbon materials with orientation‐aligned carbon fibers and well‐dispersed mesocarbon microbeads (MCMBs) induced by melt blending is shown to be an ideal structure for thermally conductive (1.77 W m−1 K−1) electromagnetic shielding (46.9 dB) composites. In addition, the excellent mechanical properties (tensile strength 162.7 MPa and flexural strength 250 MPa) and absorption property (39.4 dB) exhibited by the composites under the optimized filler ratio also really broaden the way for the preparation of high‐strength wave absorbing materials by melt blending. This work provides a general strategy for large‐scale production of thermally conductive electromagnetic shielding composites and opens up possibilities for the application of MCMBs in high‐power electronic devices.

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Section: Fabrication and Structural Features Of Pa66 Compositesmentioning

confidence: 99%

Robust polyamide 66 composites with hybrid fillers for thermal management and electromagnetic shielding

Yang

Zhu

et al. 2023

Polymer Composites

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show abstract

“…Techniques to fabricate fibrous substrates with secondary topographical features include 3D printing, melt spinning and dry spinning [47][48][49] . Among these, electrospinning is a simple and versatile technique that allows fabrication of synthetic non-woven meshes that resemble the disordered structure of the natural BM 50 .…”

mentioning

confidence: 99%

Topographical influence of electrospun basement membrane mimics on formation of cellular monolayer

Jain

Rimal

Möller

et al. 2023

Sci Rep

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Functional unit of many organs like lung, kidney, intestine, and eye have their endothelial and epithelial monolayers physically separated by a specialized extracellular matrix called the basement membrane. The intricate and complex topography of this matrix influences cell function, behavior and overall homeostasis. In vitro barrier function replication of such organs requires mimicking of these native features on an artificial scaffold system. Apart from chemical and mechanical features, the choice of nano-scale topography of the artificial scaffold is integral, however its influence on monolayer barrier formation is unclear. Though studies have reported improved single cell adhesion and proliferation in presence of pores or pitted topology, corresponding influence on confluent monolayer formation is not well reported. In this work, basement membrane mimic with secondary topographical cues is developed and its influence on single cells and their monolayers is investigated. We show that single cells cultured on fibers with secondary cues form stronger focal adhesions and undergo increased proliferation. Counterintuitively, absence of secondary cues promoted stronger cell–cell interaction in endothelial monolayers and promoted formation of integral tight barriers in alveolar epithelial monolayers. Overall, this work highlights the importance of choice of scaffold topology to develop basement barrier function in in vitro models.

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Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

Cited by 2 publications

References 55 publications

Robust polyamide 66 composites with hybrid fillers for thermal management and electromagnetic shielding

Robust polyamide 66 composites with hybrid fillers for thermal management and electromagnetic shielding

Topographical influence of electrospun basement membrane mimics on formation of cellular monolayer

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