Effects of atmospheric air plasma treatment on interfacial properties of PBO fiber reinforced composites

Zhang, Chengshuang; Li, Cuiyun; Wang, Baiya; Wang, Bin; Cui, Hong

doi:10.1016/j.apsusc.2013.03.064

Cited by 23 publications

(8 citation statements)

References 31 publications

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“…The surface of PPS fiber has been etched, crosslinked, group introduced, roughened, etc., due to highly excited and unstable active particles in air plasma. On the surface of PPS fibers, fine cracks are formed, convex deposits are generated, and a series of polar groups containing oxygen and sulfur are generated [28][29][30][31]. Therefore, the air plasma increases the micro-roughness of the fiber surface, improves the fiber adhesion, biocompatibility, etc., and further facilitates the decorating of the catalyst.…”

Section: Introductionmentioning

confidence: 99%

Mn/Ce Oxides Decorated Polyphenylene Sulfide Needle-Punching Fibrous Felts for Dust Removal and Denitration Application

Chen

et al. 2020

Polymers

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Development of a novel filter material is urgently required for replacing the high-cost flue gas purification technology in the simultaneous removal of both fine dust and Nitrogen oxides (NOx). In this study; polyphenylene sulfide (PPS) needle-punching fibrous felts (NPFF) were employed as the filter material to remove the fine dust; and in the meanwhile; Mn and Ce oxides were loaded onto the PPS NPFF as the catalyst for selective catalytic reduction of NOx with NH3. Two different pretreatment methods; i.e., sodium alginate (SA) deposition and plasma treatment; were employed to modify the PPS NPFF before the traditional impregnation and thermal treatment processes during the catalyst loading. The results showed that these two pretreatment methods both afforded the PPS NPFF with the enhanced loading rate and stability of Mn/Ce oxides compared to those without any pretreatments; which were significantly beneficial for the denitration application. Moreover; we found that both SA deposition and plasma pre-treated samples presented excellent dust-removal properties; and the filtration efficiency could reach 100% when the particle size of the fine particulates was above 4 μm. This study demonstrated that our Mn/Ce oxides decorated PPS NPFF have great potential to be applied in the fuel gas purification field; due to their stable structure; handling convenience; and excellent filtration efficiency; as well as high denitration performance.

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Section: Introductionmentioning

confidence: 99%

Mn/Ce Oxides Decorated Polyphenylene Sulfide Needle-Punching Fibrous Felts for Dust Removal and Denitration Application

Chen

et al. 2020

Polymers

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“…22 However, the study on reinforcement of PBO fiber was mainly focused on epoxy-, phenolic- and bismaleimide-based thermosetting systems, and less attention was paid to the thermoplastic ones. 23,24 The thermoplastic composites of LDPE and high-density polyethylene (HDPE) with UHMWPE fiber were also investigated by Maity et al. 9 and Vaisman et al., 10 whereas there was no reinforcement effect observed in these studies.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties, impact fracture behavior, and morphology of long-polyimide-fiber-reinforced poly(butylene terephthalate) composites

Wang

2017

Journal of Composite Materials

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The present study focuses on the mechanical properties, impact behaviors, and morphology of a new long-fiber-reinforced composite system based on poly(butylene terephthalate) and polyimide fiber prepared by melt pultrusion. Mechanical characterization revealed that the obtained composites achieved significant improvements not only in tensile and flexural strength but also in impact toughness. It is highlighted that the Izod impact strength was improved by a factor of 5 when 12 wt% PI fiber was incorporated into the matrix. Morphological investigation indicated that the fiber pullout was the dominant mechanism for tensile failure, whereas the enhancement of impact toughness was attributed to the energy dissipation by both the fiber pullout and fiber strain. In this case, a simple fiber strain energy model was used to predict the impact strength of this composite system. The theoretical results showed a good fit with the experimental data of impact energy due to the fiber strain energy absorption involved in the major dissipation of impact energy. In addition, the incorporation of polyimide fiber not only enhanced the crystallinity of poly(butylene terephthalate) due to the heterogeneous nucleating effect but also improved the thermal stability of composites by promoting the carbonization of the matrix. As a result of this study, the high-performance composites based on a thermoplastic matrix and an organic reinforcing fiber were created for the engineering and structural applications.

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“…As another important heterocyclic aramid fiber, PBO fiber was also widely used as a reinforcing fiber for the polymeric composites. 37 However, the study on reinforcement of PBO fiber was mainly focused on epoxy-, phenolic-, and bismaleimide-based thermosetting systems, and little attention was paid to the thermoplastic ones. 38,39 Maity et al 40 and Vaisman et al 41 reported an investigation on the thermoplastic composites of LDPE and HDPE with UHMWPE fiber, respectively, whereas there was no reinforcement effect observed in these studies.…”

Section: Introductionmentioning

confidence: 99%

Effect of discontinuous long polyimide fiber on mechanical properties, fracture morphology, and crystallization behaviors of polyamide-6 matrix composites

Jiang

Han

Wang

et al. 2017

Journal of Thermoplastic Composite Materials

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This work has conducted an extensive investigation on the effect of discontinuous long polyimide (PI) fiber on the mechanical properties, fracture morphology, and crystallization behaviors of polyamide-6 (PA6) matrix composites. A series of PA6 matrix composites with different contents of PI fiber were prepared through a standard melt-pultrusion process. The resulting composite specimens not only achieved a prominent reinforcement but also obtain a significant improvement in impact toughness. It is highlighted that the composites achieved a remarkable increase in Izod impact strength by a factor of five compared to pure PA6 when 12 wt% of PI fiber was incorporated. Moreover, the tensile strength of the composites reached 143 MPa at a fiber content of 18 wt%. The mechanical properties could be well predicted by the Cox-Krenchel model, but a negative deviation in experimental data was observed at high fiber concentrations due to the decrease of residual fiber length and fiber aggregation. The morphologic observation of fracture surface indicated that fiber pullout was a major mechanism for tensile failure as a result of long PI fiber-reinforcing effectiveness, and it was also the predominant energy absorption mechanism for the impact fracture of composite specimens. The presence of long PI fiber not only enhanced the crystallinity of PA6 matrix but also induced a well-defined transcrystalline layer on the fiber surface due to its high nucleating ability.

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Effects of atmospheric air plasma treatment on interfacial properties of PBO fiber reinforced composites

Cited by 23 publications

References 31 publications

Mn/Ce Oxides Decorated Polyphenylene Sulfide Needle-Punching Fibrous Felts for Dust Removal and Denitration Application

Mn/Ce Oxides Decorated Polyphenylene Sulfide Needle-Punching Fibrous Felts for Dust Removal and Denitration Application

Mechanical properties, impact fracture behavior, and morphology of long-polyimide-fiber-reinforced poly(butylene terephthalate) composites

Effect of discontinuous long polyimide fiber on mechanical properties, fracture morphology, and crystallization behaviors of polyamide-6 matrix composites

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