◆ graphene thermal conductive silicone rubber: traditional thermal conductive silicone rubber mainly uses metal or metal oxide powder as thermal conductive filler. The thermal conductivity of this type of material is lower than that of graphene, so it needs a higher filling area when used in thermal conductive silicone rubber. The high thermal conductivity of graphene and the lower filling area can make the thermal conductive silicone rubber obtain higher thermal conductive effect.
◆ graphene / organosilicon porous nano material: this type of material has very good thermal stability and heat dissipation characteristics. Through the interaction between graphene nano sheet and organosilicon polymer, this foaming material has very good compression resistance and impact resistance.
◆ grafting of polyhedral oligomeric silsesquioxane (POSS) onto graphene oxide (go): both poss and graphene oxide have very excellent mechanical properties, which can play a very good reinforcing effect by cooperating.
◆ flexible sensor made of silicone insulating elastomer and graphene nanocomposites: the graphene filler functionalized by silane coupling agent can enhance the dielectric constant of silicone insulating elastomer and reduce the loss modulus. The graphene silicone insulating elastomer sandwiched between two layers of graphene flexible electrodes can obtain a flexible sensor with excellent performance.
◆ porous graphene / silicone rubber composite is used as microwave absorbing material: due to the large number of pores and specific surface area of porous graphene, the graphene / silicone rubber composite has excellent microwave absorbing performance, and the microwave gradually attenuates through multiple scattering and reflection at the interface of the material.
At present, with the continuous efforts of many researchers, more and more graphene / organosilicon composites have been developed, and new applications of graphene / organosilicon composites are also being explored. However, the application of graphene / organosilicon composite in people's daily life is far from the expected depth and breadth. The main reasons are as follows:
★ as a new material, graphene / organosilicon composite needs a long validation period to be applied in large scale after being developed.
★ there are still some technical problems in graphene / organosilicon composite materials, which need to be solved for a long time, such as the easy agglomeration of graphene itself, and the poor compatibility between graphene and organosilicon.
Graphene / organosilicon composites have attracted more and more researchers' attention because of their incomparable performance advantages.
It is hoped that domestic researchers can catch up with each other and make rapid technological breakthroughs in this field, develop more high-performance graphene / organosilicon composite materials, and enhance China's competitiveness and influence in this field.
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