Abstract
ABSTRACTOver the past two decades, the rising demand for sustainable materials has sparked significant interest in developing plant‐based or bio‐based polymers. This study explores an innovative approach to synthesizing eco‐friendly polyamide‐graphene composites using maleinized cottonseed oil (MACSO) as a sustainable precursor. The composites were produced through a room‐temperature catalyst‐free ring opening of MACSO with 4,4′‐Diaminodiphenylmethane (DDM) and graphenamine, followed by high‐temperature curing. The impact of graphenamine content on the composites' structural, thermo‐mechanical, surface, and anticorrosion properties was thoroughly examined. Notably, the composite containing 3 wt% graphenamine demonstrated superior thermal stability, glass transition temperature (Tg), mechanical toughness, and corrosion resistance. This research represents a unique example of using anhydride‐grafted vegetable oil for amide bond formation in the final polymer, highlighting an economically viable approach to sustainable polyamide synthesis. Furthermore, using MACSO as a bio‐based modifier aligns with the principles of green chemistry, offering a sustainable alternative to traditional petrochemical‐based additives.
Published Version
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