Influence of processing conditions on dispersion, electrical and mechanical properties of graphene-filled-silicone rubber composites

Efficient interfacial interaction for improving mechanical properties of polydimethylsiloxane nanocomposites filled with low content of graphene oxide nanoribbons

“…Based on the above mechanical properties of the H-t-PDMS/ GONR nanocomposites, we compared the reinforcement efficiencies of PDMS-based nanocomposite systems lled with various carbon nano-llers including graphite nanoplatelet (GNP), 37 CNT, 38 chemically reduced graphene oxide (CRGO), 40 carbon nanober (CNF), 6 carbon black (CB), 6 and GNR, 39 as shown in Fig. 8.…”

“…Previous work has demonstrated that addition of the GONR sheets or their derivatives not only produced good reinforcement efficiency (enhancement% per ller content%) on epoxy polymer, 33 but also enhanced the thermal and tribological performance of epoxy, 34 even provided other functionalities such as electrical conductivity of polyimide ber. 35,36 During the past several years, carbon nanollers were also reported as effective reinforcements for PDMS polymer, 6,[37][38][39][40] even endowing it with ideal functionalizes such as thermal conductivity. 41 For example, the combined use of solution mixing (hexane as dispersing solvent) and ball-mill procedure provided produced improved tensile strength ($113% at 3.0 wt% graphene) of methyl vinyl silicone rubber (MVSR) polymer, 40 although the relatively good dispersion levels of graphene sheets were obtained in the matrix.…”

“…35,36 During the past several years, carbon nanollers were also reported as effective reinforcements for PDMS polymer, 6,[37][38][39][40] even endowing it with ideal functionalizes such as thermal conductivity. 41 For example, the combined use of solution mixing (hexane as dispersing solvent) and ball-mill procedure provided produced improved tensile strength ($113% at 3.0 wt% graphene) of methyl vinyl silicone rubber (MVSR) polymer, 40 although the relatively good dispersion levels of graphene sheets were obtained in the matrix. Recently, GONRs unzipping the multi walled carbon nanotubes (MWCNTs) were synthesized to reinforce the MVSR using a tetrahydrofuranbased solution mixing approach; and the results revealed that addition of GONR sheets was found to signicantly enhance thermal stability and mechanical properties, and at 2.0 wt% GONR content the tensile strength and elastic modulus of MVSR increased by 67% and 93%, respectively.…”

Preparation, Structure, and Properties of Surface Modified Graphene/Epoxy Resin Composites for Potential Application in Conductive Ink

“…This result can be ascribed to the excellent conductivity of the modified GE and its homogeneous dispersion in the EP matrix. The modified GE sheets can make contact with each other and the intervals between them are very small, facilitating the formation of the continuous conductive path in the composites [45,46]. Thus, the as-prepared modified GE/EP composites in this paper exhibit excellent conductivity.…”

The Effect of Filler Orientation and Distribution on the Electrical and Mechanical Properties of Graphene Based Polymer Nanocomposites

“…Mainly, two different types of GNPs, such as expanded graphite (EG) and graphite oxide (GO) have been widely used to produce conducting nanocomposites along with improved mechanical properties [14]. There are many studies on these GNP composites based on a range of polymers, including epoxy [15], PMMA [16], polypropylene [17], polyethylene [18] [19], polystyrene [20], nylon [21] and silicone rubber [22].…”