Infusing High-density Polyethylene with Graphene-Zinc Oxide to Produce Antibacterial Nanocomposites with Improved Properties

Yao, You-Li; Guzman, Manuel Reyes De; Duan, Hong; Gao, Chen; Xu, Lin; Wen, Yi‐Hua; Du, Juan; Liu, Lin; Chen, Jui‐Chin; Wu, Chin‐San; Suen, Maw‐Cherng; Sun, Yali; Hung, Wei‐Song; Tsou, Chi‐Hui

doi:10.1007/s10118-020-2392-z

Cited by 46 publications

(27 citation statements)

References 45 publications

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“…However, at the same time, because the CSDG content was too high, agglomeration occurred, resulting in voids in the composite matrix, making the structure loose. This resulted in a decrease in the composite film resistance to water vapor permeability [53,54]. Figure 11 clearly depicts changes in the permeation path of water vapor or oxygen in PLA/CSDG and MPLA/CSDG composites.…”

Section: Analysis Of Water Vapor Barrier Propertiesmentioning

confidence: 99%

Barrier Properties and Hydrophobicity of Biodegradable Poly(lactic acid) Composites Reinforced with Recycled Chinese Spirits Distiller’s Grains

et al. 2021

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Adding natural biomass to poly(lactic acid) (PLA) as a reinforcing filler is a way to change the properties of PLA. This paper is about preparing PLA/biomass composites by physically melting and blending Chinese Spirits distiller’s grains (CSDG) biomass and PLA to optimize the composite performance. Composites of modified PLA (MPLA) with varying amounts of CSDG were also prepared by the melt-mixing method, and unmodified PLA/CSDG composites were used as a control group for comparative analysis. The functional groups of MPLA enhanced the compatibility between the polymer substrate and CSDG. The composite water vapor/oxygen barrier and mechanical properties were studied. It was found that the barrier and mechanical properties of MPLA/CSDG composites were significantly improved. SEM was adopted to examine the tensile section structure of the composites, and the compatibility between the filler and the matrix was analyzed. An appropriate amount of CSDG had a better dispersibility in the matrix, and it further improved the interfacial bonding force, which in turn improved the composite mechanical properties. X-ray diffraction, thermogravimetric analysis, and differential scanning calorimetry were conducted to determine the crystalline properties and to analyze the stability of the composites. It was found that the CSDG content had a significant effect on the crystallinity. Barrier and biodegradation mechanisms were also discussed.

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Section: Analysis Of Water Vapor Barrier Propertiesmentioning

confidence: 99%

Barrier Properties and Hydrophobicity of Biodegradable Poly(lactic acid) Composites Reinforced with Recycled Chinese Spirits Distiller’s Grains

et al. 2021

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“…As more CG- g -MHDPE was added, the nanocomposites gradually showed a fibrous structure (Figure d,e) similar to that of pure HDPE, and the elongation at break decreased significantly, but the nano-materials were still uniformly dispersed. Unlike the previous phenomenon of graphene agglomeration in HDPE, CG- g -MHDPE could be effectively dispersed in HDPE, but too much content of the nano-material would cause poor compatibility with HDPE and eventual phase separation . Therefore, with increasing content of CG- g -MHDPE, the tensile strength and elongation at break of the nanocomposites decreased.…”

Section: Results and Discussionmentioning

confidence: 87%

“…In the process of directly mixing and melting traditional nano-materials with polymers, nano-materials easily agglomerated, forming crystals and structural defects, thereby reducing the physical and chemical properties of nanocomposite materials . To improve the compatibility of polymers with graphene (or carbon nanotubes) and its derivatives, many methods have been used to modify nano-materials, − and good results have been achieved.…”

Section: Introductionmentioning

confidence: 99%

Thermal Properties and Barrier Performance of Antibacterial High-Density Polyethylene Reinforced with Carboxyl Graphene-Grafted Modified High-Density Polyethylene

Tsou

Yao

et al. 2021

Ind. Eng. Chem. Res.

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In this study, carboxyl graphene-grafted modified high-density polyethylene (CG-g-MHDPE), a new nano-material prepared from grafting MHDPE with CG, was combined with high-density polyethylene (HDPE) through melt-mixing to prepare HDPE/CG-g-MHDPE nanocomposites (with different proportions of HDPE and CG-g-MHDPE). It is hoped that the new nano-material could reduce the occurrence of graphene agglomeration in nonpolar substrates. Fourier-transform infrared spectroscopy showed that CG-g-MHDPE was successfully synthesized. The results from microscopic characterization, mechanical performance test, thermal analysis, and barrier-property evaluation indicated that the mechanical properties, crystallinity, thermal properties, and barrier properties of HDPE/CG-g-MHDPE nanocomposites with a low content of CG-g-MHDPE (4 and 8%) were greatly improved compared with those of pure HDPE, and the compatibility between graphene and HDPE was effectively enhanced. With increasing added amount of CG-g-MHDPE, the overall performance of the nanocomposites decreased significantly. Adding 8% CG-g-MHDPE led to the production of a nanocomposite with the best performance. Reinforced HDPE nanocomposites with better performance would have a wider range of applications.

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“…However, this improvement was not considerable. 32,33 Analysis of variance (ANOVA) was performed on the experimental data of Table 1, and its results were summarized in Tables 2 and 3. Parameters with a p-value < 0.05 are significant.…”

Section: Resultsmentioning

confidence: 99%

An investigation on the effect of nanoparticle reinforcement and weld surface shape on bending behavior of rotary friction-welded high-density polyethylene

Asghari

Kami

Bagheri

2021

Proceedings of the Institution of Mechanical Engineers, Part L:

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In this research, high-density polyethylene rods were joined together using rotary friction-welding. The effects of nanoparticle reinforcement and weld surface shape on the welded joint strength were investigated. To this aim, high-density polyethylene rods with a length of 50 mm and a diameter of 22 mm were machined, and three weld surface shapes, that is, flat, step, and conic shapes (on male and female counterparts), were created. The high-density polyethylene rods were rotary friction-welded with the addition of ZnO and SiO2 nanoparticles. The bending strength of rotary friction-welded rods was assessed by conduction of three-point bending tests. The results showed that both the weld surface shape and nanoparticles influence the bending strength of the welded joints. It was found that the step sample welds have higher bending strength (average bending depth and force of 6.27 mm and 2027.8 N, respectively). Furthermore, except for the case of flat samples, the addition of the reinforcement nanoparticles resulted in the improvement of the bending strength of the rotary friction-welded rods.

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Infusing High-density Polyethylene with Graphene-Zinc Oxide to Produce Antibacterial Nanocomposites with Improved Properties

Cited by 46 publications

References 45 publications

Barrier Properties and Hydrophobicity of Biodegradable Poly(lactic acid) Composites Reinforced with Recycled Chinese Spirits Distiller’s Grains

Barrier Properties and Hydrophobicity of Biodegradable Poly(lactic acid) Composites Reinforced with Recycled Chinese Spirits Distiller’s Grains

Thermal Properties and Barrier Performance of Antibacterial High-Density Polyethylene Reinforced with Carboxyl Graphene-Grafted Modified High-Density Polyethylene

An investigation on the effect of nanoparticle reinforcement and weld surface shape on bending behavior of rotary friction-welded high-density polyethylene

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