สมบัติการทนต่อแรงกระแทกและสัณฐานวิทยาของวัสดุเชิงประกอบพอลิเอทิลีนผสมเส้นใยธรรมชาติด้วยกระบวนการขึ้นรูปแบบหมุนเหวี่ยง
Keywords:
composites materials, impact strength, morphology, rotational molding ProcessAbstract
Research on impact strength and morphology of natural fiber-reinforced composite materials from the rotational molding process aimed to determine the appropriate ratio of banana fibers to polyethylene for process formation. Additionally, the impact resistance and morphological characteristics of polyethylene products reinforced with banana fibers were examined. The percentage of banana peel fibers by weight at 0%, 10%, 20%, 30%, 40%, and 50% was examined, including the combination of untreated banana fibers and treated fibers with a silane coupling agent. The results showed that the impact strength of polyethylene composite reinforced with untreated banana fibers was not modified. The values were as follows: 3.96, 5.33, 4.18, 3.74, 2.11, and 1.03 kJ/m², and the silane coupling agent-modified polyethylene composite reinforced with banana fibers. The values were as follows: 3.96, 5.57, 4.87, 3.74, 2.90, and 1.20 kJ/m², the optimal ratio is 10% by weight. Composites based on fibers modified with silane have higher impact resistance values than composites using unmodified fibers in all ratios. Morphological tests revealed that the beam emission of electrons has demonstrated that adding silane dual agents to the fiber surface can enhance adhesion at the polyethylene-banana leaf fiber interface, improving the mechanical characteristics of the composite material.
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