Silane-functionalized graphene nanoplatelets for silicone rubber nanocomposites

Silane-functionalized graphene nanoplatelets (GNPs) were prepared using a newly developed approach based upon a simple two-step strategy. The effect of their dispersion and interfacial bonding on the mechanical properties and thermal conductivity of reinforced silicone rubber (SR) was investigated....

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Bibliographic Details
Published inJournal of materials science Vol. 57; no. 4; pp. 2683 - 2696
Main Authors Ren, He, Cunha, Eunice, Li, Zheling, Wang, Lei, Kinloch, Ian A., Yi, Dian, Kretinin, Andrew, Sun, Quanji, Fan, Zhaodong, Young, Robert J.
Format Journal Article
LanguageEnglish
Published New York Springer US 2022
Springer
Springer Nature B.V
Subjects
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Composites & Nanocomposites
Crystallography and Scattering Methods
Dispersion
Electric properties
Graphene
Graphite
Heat conductivity
Heat transfer
Interfacial bonding
Materials Science
Mechanical properties
Modulus of elasticity
Nanocomposites
Polymer Sciences
Rubber
Silane
Silanes
Silicone resins
Silicone rubber
Silicones
Solid Mechanics
Thermal conductivity
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Summary:Silane-functionalized graphene nanoplatelets (GNPs) were prepared using a newly developed approach based upon a simple two-step strategy. The effect of their dispersion and interfacial bonding on the mechanical properties and thermal conductivity of reinforced silicone rubber (SR) was investigated. It was found by Raman mapping that the silane-functionalized GNPs could be dispersed uniformly into the SR matrix, leading to an increase of up to 25% in Young’s modulus at only 2 parts per hundred rubber (phr) loading and a considerable enhancement of up to 150% in the thermal conductivity at 5-phr loading. Both the Young’s modulus and thermal conductivity experimental results were found to be in agreement with the values predicted using theoretical models. Graphical abstract
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-021-06737-w