Studies on the morphology and the thermal properties of high-density polyethylene filled with graphite

Dong, Qiqiong; Zheng, Qiang; Zhang, Mingqiu

doi:10.1007/s10853-006-6373-6

Cited by 17 publications

(13 citation statements)

References 10 publications

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“…The melting index for 5000S is 0.095 g/min (190 °C, 2.16 kg) with a density of 0.954 g/ cm 3 . Two different kinds of graphite, namely expandable graphite (EG) and flake graphite (FG) were applied in this study, which were kindly supplied by Shijiazhuang ADT Carbonic Material Factory, China and Qingdao Dongkai Graphite Co., Ltd, China, respectively.…”

Section: Experimental Materialsmentioning

confidence: 99%

“…Recently, thermally conductive polymer composites have attracted considerable research interest from both scientific and engineering areas due to their superior properties such as high thermal and/or electrical conductivity, lightweight, good processability, and excellent resistance to corrosive environments compared with metals [1][2][3]. Dispersing high thermally conductive fillers within a polymer matrix is an effective method to achieve high thermally conductive composites which can be developed and tailored to individual and industrial applications.…”

Section: Introductionmentioning

confidence: 99%

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Thermal, electrical and rheological behavior of high-density polyethylene/graphite composites

et al. 2015

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Section: Experimental Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermal, electrical and rheological behavior of high-density polyethylene/graphite composites

et al. 2015

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“…It was proposed that this decreasing of the polymer–filler interface should accompany the weak exothermic behavior of the HDPE/GP composites, resulting in the appearance of the extra exothermic peak ( T h ) during cooling. Therefore, it was suggested that the main reason for the appearance of the T h was the particle aggregation and the change of the temperature, which accompanied the decreasing of the interface between particles and HDPE matrix . However, this result had not been proved through rigorous and logical the experimental data.…”

Section: Introductionmentioning

confidence: 99%

Enhanced thermal conductivity of PE/BN composites through controlling crystallization behavior of PE matrix

Zhao

Zhang

2015

Polymer Composites

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In this article, in order to enhance the thermal conductivity of the polyethylene (PE)/boron nitride (BN) composites through controlling the crystallization behavior of the PE matrix, the crystallization and melting behavior of the PE in the PE/BN composites was investigated. When the BN content was more than 10 wt%, an extra weak exothermic peak (T h ) at 1308C was observed. Moreover, after the annealing of the PE/BN composites at 1308C, the extra weak melting peaks (T mh ) of the PE in the PE/BN composites were also observed and shifted to the high temperature with increasing annealing time, which proved that the T h was induced by PE crystallization. Meanwhile, the results of temperaturedependent absorbance IR spectra of the PE/BN composites showed that the crystallization peak (729 cm 21 ) remarkably appeared at 130.28C, indicating that the crystallization of the PE in the PE/BN composites can occur at 130.28C. When the annealing time and temperature were 20 min and 1308C, the thermal conductivity of the PE/BN composite was 16% higher than that of the unannealed PE/BN composites. In addition, the results of the wide angle X-ray diffraction (WAXD) showed that the BN particles had no influence on the PE crystalline form in the PE/BN composites. POLYM.

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“…Natural flake graphite (NFG),5, 6 carbon black,7, 8 and metal powders9, 10 have been commonly used as conducting fillers in the polymer composites. Recently, Chen et al11 has developed an in situ polymerization process to fabricate polystyrene/expanded graphite by polymerization of styrene in the presence of expanded graphite in the forms of nanosheets.…”

Section: Introductionmentioning

confidence: 99%

Study of structural, electrical, and dielectric properties of polystyrene/foliated graphite nanocomposite developed via in situ polymerization

Srivastava

Mehra

2008

J of Applied Polymer Sci

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Present article reports the investigations of the electrical and dielectric properties of polystyrene/foliated graphite (PS/FG) nanocomposites. The homogenous embedded structure of FG within the polymer matrix has been confirmed by scanning electron microscopy (SEM). The electrical conductivity of the composite was found to exhibit insulatorconductor transition at a very low percolation threshold of FG. A nonlinear to linear transition in the current-voltage characteristics of the composites was observed when the composite undergoes insulator-conductor transition. The frequency dependence of dielectric constant, dissipation factor, and ac conductivity has also been analyzed using percolation theory. D-shore hardness of the nanocomposite was also tested to observe the strength of the composites.

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Studies on the morphology and the thermal properties of high-density polyethylene filled with graphite

Cited by 17 publications

References 10 publications

Thermal, electrical and rheological behavior of high-density polyethylene/graphite composites

Thermal, electrical and rheological behavior of high-density polyethylene/graphite composites

Enhanced thermal conductivity of PE/BN composites through controlling crystallization behavior of PE matrix

Study of structural, electrical, and dielectric properties of polystyrene/foliated graphite nanocomposite developed via in situ polymerization

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