Abstract
본 연구는 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/그래핀 복합체의 제조 및 특성에 관한 연구이다. 투입하는 그래핀의 함량에 따른 복합체의 전기적 물성, 소수성, 및 열적 성질에 미치는 영향에 대해 연구하였다. 표면주사전자현미경 연구결과 PHBV 고분자 matrix에 판상의 그래핀이 고르게 잘 분산되었음을 확인하였다. X-선 회절 연구와 시차열량주사계 분석을 통하여 그래핀을 첨가할수록 PHBV의 결정도를 증가시켰고, 투입하는 그래핀의 함량이 증가할수록 복합체의 열적 안정성, 소수성 및 전기전도도 등이 증가하는 것으로 나타났다. In the present work, we investigated poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/graphene nanocomposites. The electrical, hydrophobic properties and thermal properties of the nanocomposite films having different graphene contents were investigated. The scanning electron microscopy (SEM) morphology showed good dispersion of graphene layers in the PHBV matrix. Based on the X-ray diffraction and differential scanning calorimetry, the addition of graphene increased the crystallinity of PHBV. Thermal stability, hydrophobicity, and electrical conductivity of the nanocomposites were increased with increasing the graphene contents.
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