Mechanical and functional properties of composites based on graphite and carboxylated acrylonitrile butadiene rubber

Yang, Jian; Zhang, Liqun; Shi, Jun-Hong; Quan, Yannan; Wang, Leilei; Tian, Ming

doi:10.1002/app.31792

Cited by 23 publications

(9 citation statements)

References 62 publications

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“…Few researchers have studied the effect of graphite and modified graphite on the mechanical properties of different elastomers. Yang et al investigated the reinforcing effect of EG on the mechanical properties of xNBR and found a significant improvement in the mechanical properties of the composites. Ismail and Khalaf studied the effect of graphite on the mechanical properties of SBR vulcanizates and observed that increasing the graphite content in SBR matrix, tensile strength of the composites was further improved.…”

Section: Resultsmentioning

confidence: 99%

Development of modified expanded graphite-filled solution polymerized styrene butadiene rubber vulcanizates in the presence and absence of carbon black

Malas

Das

2013

Polym Eng Sci

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Expanded graphite (EG) consists of a huge number of partially exfoliated graphite sheets with the thickness of most of the sheets in the nanometer range. This study analyses the effect of EG and modified EG (MEG) on the mechanical, thermal, and dynamic mechanical properties of solution styrene butadiene rubber (SSBR) with and without carbon black (CB). The surface of the EG was modified to enhance its dispersion in the SSBR matrix. In addition, oil-extended carboxylated styrene butadiene rubber (XSBR) was used as a compatibilizer to disperse MEG in the base nonpolar SSBR matrix. XSBR/ MEG nanocomposites have been prepared by solution mixing. The obtained nanocomposites were incorporated into the SSBR matrix in the presence of CB by melt blending. Morphological properties of the nanocomposites revealed intercalation of MEG sheets in the SSBR matrix. Nanocomposites containing MEG in the presence of CB show improvement in mechanical, thermal, and dynamic mechanical properties. POLYM. ENG. SCI., 54:33-41, 2014. ª

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Section: Resultsmentioning

confidence: 99%

Development of modified expanded graphite-filled solution polymerized styrene butadiene rubber vulcanizates in the presence and absence of carbon black

Malas

Das

2013

Polym Eng Sci

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“…EG has been introduced to a variety of rubbers, including acrylonitrile butadiene rubber (NBR) , silicone rubber (SR) , fluoroelastomer (FEM) , styrene butadiene rubber (SBR) , natural rubber (NR) , carboxylated acylonitrile rubber (CNBR) , and acrylate elastomer (ACM) . The as‐prepared rubber/EG composites have exhibited substantial improvement in mechanical properties, wear resistance, electrical conductivity, and barrier properties.…”

Section: Introductionmentioning

confidence: 99%

Improvement in thermal conductivity and mechanical properties of ethylene‐propylene–diene monomer rubber by expanded graphite

Lin

Chen

et al. 2015

Polymer Composites

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Thermally conductive fillers are usually employed in the preparation of rubber composites to enhance thermal conductivity. In this work, ethylene‐propylene‐diene monomer rubber (EPDM)/expanded graphite (EG) and EPDM/graphite composites with up to 100 phr filler loading were prepared. Compared to EPDM/graphite compounds with the same filler loading, stronger filler network was demonstrated for EPDM/EG compounds. Thermal conductivity and mechanical properties of EPDM/graphite and EPDM/EG composites were compared and systematically investigated as a function of the filler loading. The thermal conductivity of both EPDM/graphite and EPDM/EG composites increased with increasing volume fraction of fillers, and could be well fitted by Geometric Mean Model. The thermal conductivity as high as 0.910 W · m−1 · K−1 was achieved for the EPDM/EG composite with 25.8 vol% EG, which was ∼4.5 times that of unfilled EPDM. Compared to EPDM/graphite composites, EPDM/EG composites exhibited much more significant improvement in thermal conductivity and mechanical properties, which could be well correlated with the better filler‐matrix interfacial compatibility and denser structure in EPDM/EG composites, as revealed in the SEM images of tensile fracture surfaces. POLYM. COMPOS., 38:870–876, 2017. © 2015 Society of Plastics Engineers

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“…The unexfoliated agglomerates resulted in more stress concentration, and that led to reduced tensile strength. 29 The strong interaction between the polymer matrix and the filler was reflected in the modulus results (Figure 9(c)). The modulus ( M 100 ) value increased with the filler content.…”

Section: Resultsmentioning

confidence: 93%

Properties of radiation vulcanised natural rubber latex (RVNRL)–graphene nanocomposites

Anand

Varghese

Kurian

2018

Polymers and Polymer Composites

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Graphene-related materials such as graphene oxide (GO)/exfoliated graphene oxide (XGO) and reduced graphene oxide (RGO) recently achieved much interest in nanocomposite research. In this study, we report the synthesis of RGO by a green route, and its efficacy as a potential filler for radiation-vulcanised natural rubber latex (RVNRL) was explored. The synthesised XGO and RGO suspensions were characterised. The mechanical, morphological and electrical properties of the RVNRL-XGO/RGO nanocomposites were evaluated as a function of filler content. The percolation threshold of the RVNRL-RGO composite was 0.1 wt%. Compared with gum RVNRL, significant improvements in tensile strength and elongation at break were obtained for RVNRL-XGO nanocomposites at 1 wt% XGO loading, indicating increased polymer–filler interaction. The morphological results showed aggregation of filler particles at a concentration of 1.25 wt%.

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Mechanical and functional properties of composites based on graphite and carboxylated acrylonitrile butadiene rubber

Cited by 23 publications

References 62 publications

Development of modified expanded graphite-filled solution polymerized styrene butadiene rubber vulcanizates in the presence and absence of carbon black

Development of modified expanded graphite-filled solution polymerized styrene butadiene rubber vulcanizates in the presence and absence of carbon black

Improvement in thermal conductivity and mechanical properties of ethylene‐propylene–diene monomer rubber by expanded graphite

Properties of radiation vulcanised natural rubber latex (RVNRL)–graphene nanocomposites

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