Graphene impact of the LDPE characteristics

Sabet, Maziyar; Soleimani, Hassan; Hosseini, Seyednooroldin

doi:10.1007/s00289-019-02759-2

Cited by 19 publications

(12 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is obvious that RGO is not thermally durable and displays the major weight loss of 11.85 wt% in the scale of from 100°C to 205°C owing to deterioration of oxygenholding chemical functions and production of CO2, CO, and H 2 O. The ultimate thermal degradation of 22.86% at 800°C occurs due to the elimination of additional oxygen functionalities [35,36]. Associated with RGO, the deterioration procedure had no significant alteration for the specimen of PA6-RGO up to 310°C.…”

Section: Results and Analysismentioning

confidence: 99%

The influence of reduced graphene oxide on the Polyamide 6 nanocomposite characteristics

Sabet

Hosseini

2022

Preprint

Self Cite

View full text Add to dashboard Cite

Polyamide 6 (PA6) nanocomposites with electrically and thermally conductive were formulated via melt processing of PA6 and different inclusion of reduced graphene oxide (RGO). These nanocomposites showed that the small percolation threshold and the perfect formation of conductive link form with 0.5 wt% and ̴3.0 wt% of RGO respectively. Crystallization examination confirmed that RGO enabled the crystallization of PA6 structure mostly through speeding up the formation of crystal nucleus, reaching a maximum and smallest of crystal grain extent with RGO inclusion up to 2.0 wt% that approved the generation of the most unflawed crystalline matrix. With the dynamic rheological testing, frequency-independence of G’ and abruptly decrease phase angle at the small-frequency area via RGO content of 2.0 wt% specify the alteration state from liquid-state to solid-state rheological performance, and validate the development of percolation link structure with RGO in the function of a crosslinking factor. The progress of fire-retardant characteristics of PA6 was attained due to the inclusion of RGO owing to the improver in the PA6 structure. Morphological research showed that RGO was spread consistently in the PA6 structure. From the outcomes of cone calorimetry outcomes, the flame-retardant characteristics of PA6 were promoted with the addition of RGO in the PA6 structure. These tests show substantial capacity for the bulk manufacture of electrically conductive polymer/RGO nanocomposites.

show abstract

Section: Results and Analysismentioning

confidence: 99%

The influence of reduced graphene oxide on the Polyamide 6 nanocomposite characteristics

Sabet

Hosseini

2022

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…The thermal decomposed materials will facilitate the polymer chains charring, resulting in an increase in the yield of char at 600°C. 11 As a result, during the thermal degradation process, the more active barrier layer produced by GO will prevent the release of combustible gasses and the transfer of mass/heat, which further lowers the rate of mass loss (Figures 1 and 2). The degradation behaviors of all tested materials before 500°C in the air atmosphere show little difference, though, other deterioration steps from 500°C to 800°C, leading to the deterioration of the char, which provides some important information on the thermal steadiness of the chars.…”

Section: Discussion and Analysismentioning

confidence: 99%

“…8 A statistical study of nearly 5000 deaths found that most of the deaths from the fire were caused by carbon monoxide poisoning. 9 –11 Consequently, improving thermal stability and reducing EP smoke toxicity is of significant importance. The developments of flame-retardant additives are desirable specifically for those that are environmentally friendly and chemically stable.…”

Section: Introductionmentioning

confidence: 99%

Impact of graphene oxide on epoxy resin characteristics

Sabet

Soleimani

Hosseini

et al. 2020

High Performance Polymers

Self Cite

View full text Add to dashboard Cite

The incorporation of a small part of graphene oxide (GO) offers an appropriate fire retardant for thermally conductive epoxy (EP) resin composites, which is verified by the upper limiting oxygen index of 24.5% and other standard flame-retardant tests. The smoke production rate, total smoke production (TSP), and the smoke density of EP composites were reduced with additional GO. The increased efficiency of fire resistance and smoke suppression is primarily due to the formation of physical barrier and compactness of the developed GO char layers, serving as an effective barrier layer that increases the fire resistance, and the thermal steadiness of the char layers derives from the effect of GO inclusion. The barrier impact of GO and the limited mobility of polymer chains are crucial factors in increasing thermal stability and reduction of generating dangerous carbon monoxide during burns. The thermal stability increased and the peak heat release rate, total heat release, TSP, and the largest smoke density value reduced to 52.5%, 43.6%, 33.9%, and 44.2%, correspondingly, compared with pure EP. The tensile strength and elongation at break of EP composites were enhanced by 23% and 8.4% compared with pure EP, respectively.

show abstract

“…Graphene addition of 0.5 wt% have shown a dramatic change in LDPE/ grapheme nanocomposite, at the same time, the size of crystallite and the crate of crystallization increased compared to pure LDPE; nanocomposites have also shown ideal stability of thermal. With higher graphene content addition, the results showed increases in tensile strength, module, and yielding points of nanocomposites [48]. Pinto, F. et al, reported that the spreading of graphene in LDPE did not show any change of polymer microscopic structure, but tends to increase the stiffness and strength of nanocomposites.…”

Section: Polyethylene/graphene Composite Materialsmentioning

confidence: 96%

Graphene Polymer Composites: Review on Fabrication Method, Properties and Future Perspectives

Daniel¹,

Hong²

2021

Adv. Sci. Technol. Res. J.

View full text Add to dashboard Cite

Graphene as new material, due to its unique and novel properties has attracted extensive attention and in-depth research in the scientific community. Graphene, as a covalently bonded monolayer of carbon atoms with a hexagonal structure, is currently the thinnest material found in the world, and also makes it one of the world's best in terms of its properties [1]. Graphene, with this special structure, contains rich and novel physical phenomena, which make it show many excellent properties such as ultra-higqh carrier mobility, good thermal conductivity, excellent mechanical modulus (1 TPa), breaking strength (125 GPa), and also a superior gas barrier, high transparency, and high specific surface area [2]. Moreover, based on these extraordinary properties, graphene showed great potential application prospects and market value in different fields such as transportation, high-frequency electronic devices, flexible display, electrochemical biosensor, new energy battery, supercapacitor, aerospace, biomedical, etc. Graphene can also be used as an ideal nanofiller to reinforce the properties of composites, thus providing a broader application space for composite materials. Even a small amount of graphene addition to composite tends to increase the mechanical, electrical, and processing properties [1-4]. Hence, the addition of graphene into polymer composite has shown improvements of properties compared to pure polymer, significant changes in the mechanical, electrical, and thermal properties were proven, more than in the case of other materials. The polymer nanocomposites modified by graphene can be used in construction, automobile, aerospace, electronic, and medical applications, etc. The interaction between fillers and the polymer matrix at the interface has great importance for the performance of composites [5, 6]. As graphene is hard and very costly to produce, needs a lot of energy, and is difficult to control structure, coupled with other materials especially polymers, different alternatives were found by using modified graphene, such as graphene oxide (GO) and reduced graphene oxide (RGO) (Fig. 1), etc. provided more options which are considered easy to produce and showed a great improvement when combined with polymers. Generally, modified graphene (GO, RGO, etc) coupled with polymers and polymer composites can be possibly reached easily using various

show abstract

Graphene impact of the LDPE characteristics

Cited by 19 publications

References 40 publications

The influence of reduced graphene oxide on the Polyamide 6 nanocomposite characteristics

The influence of reduced graphene oxide on the Polyamide 6 nanocomposite characteristics

Impact of graphene oxide on epoxy resin characteristics

Graphene Polymer Composites: Review on Fabrication Method, Properties and Future Perspectives

Contact Info

Product

Resources

About