Preparation of high-performance styrene-butadiene rubber composites by the addition of a hydroxyapatite-tannic acid reduced graphene oxide hybrid
Source abstract
Abstract
Abstract Hybridization and incorporation of different fillers for polymer enhancement are always a research focus for polymer composites. Herein, graphene oxide (GO) was reduced by tannic acid, and mixed with hydroxyapatite (HA) to prepare a HA/reduced GO hybrid. HA, reduced GO and the hybrid were separately added into styrene-butadiene rubber (SBR) latex to prepare SBR composites. Among all the composites, SBR/hybrid composite with 22 phr hybrid (HA/reduced GO = 10/1) exhibited the best performances. 22 phr hybrid could increase the tensile strength of SBR by 518%, and the thermal conductivity by 13%. The composite had high dielectric constant accompanied with low dielectric loss tangent. These changes can be attributed to the uniform dispersion of hybrid in SBR matrix resulting from the synergistic dispersion of HA and reduced GO, as well as the strong filler-matrix interaction due to the good affinities of reduced GO with both SBR and HA. The hybridization of HA and reduced GO is an effective way for preparing HA/polymer composites with excellent performances.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Dielectric materials and actuators · Polymer Nanocomposites and Properties · Polymer Nanocomposite Synthesis and Irradiation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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