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首页> 外文期刊>Polymer Composites >Spray deposition of sustainable plant based graphene in thermosetting carbon fiber laminates for mechanical, thermal, and electrical properties
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Spray deposition of sustainable plant based graphene in thermosetting carbon fiber laminates for mechanical, thermal, and electrical properties

机译：Spray deposition of sustainable plant based graphene in thermosetting carbon fiber laminates for mechanical, thermal, and electrical properties

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Abstract Graphene has generated substantial interest as a filler due to its exceptional strength, flexibility, and conductivity but faces obstacles in supply and implementation. A renewable, plant‐based graphene nanoparticle (pGNP) presents a more accessible filler with the same properties as mineral graphenes. In this study, we examine the effects of pGNP, which was sprayed on a carbon fiber/epoxy prepreg at loadings from 1.1 to 4.2 g/m2. The study considered the mechanical, thermal, and electrical properties of pGNP‐composite. An even particle dispersion was achieved using a spray application of pGNP in a water/alcohol suspension with the addition of surfactants and dispersion aides. Results show that pGNP addition increases flexural modulus 15%, flexural strength 17%, interlaminar shear strength 17%, and mode I fracture toughness by 146%, as well as increases electrical conductivity 294% and thermal conductivity 24%, with these improvements observed at 1.1–2.3 g/m2 spray loadings.

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