Journal
MATERIALS LETTERS
Volume 192, Issue -, Pages 115-118Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.12.045
Keywords
Electric heater; Graphene; Natural rubber; Nanocomposites; Self-healing conductive network; Microstructure
Funding
- Natural Scientific Foundation of China [51407087]
- Doctor starting foundation of Liaocheng University [318051503]
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Graphene (GE)/natural rubber (NR) composites (RGE) with a conductive segregated network (RGES) are prepared by latex mixing. Results show that the RGES composite with GE content of 10 phr (RGES-10) exhibits excellent electrical conductivity of 2.7 S/m and good flexibility. After 4 tensile cycles and subsequent thermal treatment, the electrical conductivity of RGES-10 shifts to 4.4 Sim, nearly 2 times higher than that of unstretched RGES-10 samples. The increased conductivity indicates that the destroyed networks, which occur during the tensile process, can be healed during the post thermal treatment. In addition, RGES-10 composite possesses excellent heat propagation with a uniform temperature distribution. The steady-state temperature of the RGES-10 increases from 57 to 152 degrees C as the applied voltage increases from 10 to 20 V. (C) 2016 Elsevier B.V. All rights reserved.
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