Preferential alignment of two-dimensional montmorillonite in polyolefin elastomer tube via rotation extrusion featuring biaxial stress field

Yang, Changhua; Li, Qianyang; Nie, Min; Wang, Qi

doi:10.1016/j.compscitech.2021.109034

Cited by 11 publications

(2 citation statements)

References 40 publications

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“… (A) Schematic diagram of in situ fibrillation by rotation extrusion technology ( Liu et al, 2014 ) Copyright 2014, Elsevier; (B) Failed composite tubes with different microfiber’s configuration and the corresponding stress–strain data ( Liu et al, 2015 ) Copyright 2015, Elsevier; (C) Hoop strength and axial strength of the tubes prepared at different conditions and stress analysis of hoop torque imposed on polymer tubes ( Zhang K. et al, 2018 ) Copyright 2018, Elsevier; (D) Radial mechanical properties of POE/MMT tubes ( Yang C. et al, 2021 ) Copyright 2021, Elsevier; (E) Infrared thermal images at the maximum temperature under voltage of 5 V with or without bending strain of various tubes. POE/CF referred to convention extruded tubes; (F) The schematic illustration of the confining effect of the GR on CF network ( Li et al, 2021b ) Copyright 2021, Elsevier.…”

Section: Rotation Extrusion Technologymentioning

confidence: 99%

“…For instance, TiO 2 can improve the antibacterial ability of the pipeline ( Alotaibi et al, 2020 ). Yang ( Yang C. et al, 2021 ) also fabricated reinforced polyolefin elastomer (POE)/montmorillonite (MMT) tubes by rotation extrusion. MMT formed a natural nacre-like structure under helical force field, which improves the hoop strength of the tube, and at the same time shows a strong ability to resist radial compression deformation ( Figure 2D ).…”

Section: Rotation Extrusion Technologymentioning

confidence: 99%

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Current Advances and Future Perspectives of Advanced Polymer Processing for Bone and Tissue Engineering: Morphological Control and Applications

Zhang

Nie

2022

Front. Bioeng. Biotechnol.

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Advanced polymer processing has received extensive attention due to its unique control of complex force fields and customizability, and has been widely applied in various fields, especially in preparation of functional devices for bioengineering and biotechnology. This review aims to provide an overview of various advanced polymer processing techniques including rotation extrusion, electrospinning, micro injection molding, 3D printing and their recent progresses in the field of cell proliferation, bone repair, and artificial blood vessels. This review dose not only attempts to provide a comprehensive understanding of advanced polymer processing, but also aims to guide for design and fabrication of next-generation device for biomedical engineering.

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Section: Rotation Extrusion Technologymentioning

confidence: 99%

Section: Rotation Extrusion Technologymentioning

confidence: 99%

Current Advances and Future Perspectives of Advanced Polymer Processing for Bone and Tissue Engineering: Morphological Control and Applications

Zhang

Nie

2022

Front. Bioeng. Biotechnol.

Self Cite

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Preparation of polyethylene/Siloxene nanocomposites through siloxene‐MgCl supported Ziegler‐Natta catalyst

Yan,

Fang,

Zhang

et al. 2024

Polymer Composites

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The two‐dimensional (2D) inorganic fillers could significantly improve the properties of polyolefin, thereby satisfying a wider range of applications. Herein, in this research, high‐performance polyethylene (PE)/siloxene nanocomposites were prepared through an in‐situ polymerization with layered siloxene‐supported Ti‐based catalyst. The catalytic ethylene polymerization activity of the siloxene‐supported Ziegler‐Natta catalyst was almost twice that of the MgCl2/TiCl4 catalyst when equal weights of catalysts were used. During the in‐situ polymerization, the layered siloxene fillers exhibited uniform dispersion within the PE matrix. The incorporation of a minimal amount of siloxene filler resulted in a notable enhancement in the thermal stability and mechanical properties of PE. The breaking strength, modulus, elongation at break, and Td5% of PE/siloxene nanocomposites with only 0.71 wt% siloxene were increased by 115.7%, 45.6%, 50.6%, and 58.2°C, respectively. Therefore, this research presents a straightforward method for manufacturing PE with outstanding performance.Highlights PE/siloxene nanocomposites were prepared through in‐situ polymerization. Siloxene is uniformly scattered in the PE matrix. The siloxene and matrix exhibit excellent interfacial adhesion. PE/siloxene nanocomposites with excellent properties were obtained.

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Enhanced properties of polyethylene through in situ polymerization with siloxene‐supported vanadium‐based catalysts

Yan,

Zhou,

et al. 2024

Journal of Polymer Science

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Two‐dimensional (2D) inorganic fillers can significantly improve the properties of polyolefins and broaden their application areas. In this study, high‐performance polyethylene (PE)/siloxene nanocomposites were prepared by in situ polymerization using layered siloxene‐supported vanadium (V)‐based catalysts. The siloxene‐supported V‐based catalysts have highly dispersed active sites and excellent catalytic performance for ethylene polymerization compared to VOCl3 catalysts. The catalytic activity of the siloxene‐supported V‐based catalysts for the polymerization of ethylene was significantly better than that of the VOCl3 catalysts at the same catalyst feed. During in situ polymerization, the layered siloxene fillers exhibited uniform dispersion in the PE matrix. Moreover, the addition of a very small amount (1.12 wt%) of siloxene filler significantly improved the thermal stability and mechanical performance of PE. Therefore, this study presents an effective method to fabricate PE with excellent properties.

show abstract

Preferential alignment of two-dimensional montmorillonite in polyolefin elastomer tube via rotation extrusion featuring biaxial stress field

Cited by 11 publications

References 40 publications

Current Advances and Future Perspectives of Advanced Polymer Processing for Bone and Tissue Engineering: Morphological Control and Applications

Current Advances and Future Perspectives of Advanced Polymer Processing for Bone and Tissue Engineering: Morphological Control and Applications

Preparation of polyethylene/Siloxene nanocomposites through siloxene‐MgCl supported Ziegler‐Natta catalyst

Enhanced properties of polyethylene through in situ polymerization with siloxene‐supported vanadium‐based catalysts

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