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<p>Stereolithography (SLA) is one of the most widely used additive manufacturing technologies, due to its extensive application in industrial and research sectors. It prints complex structures with higher precision and better surface finish. Acrylate resins are predominantly used in SLA technology; however, the petroleum content makes them vulnerable to the environment. To address this issue, biobased resins have received significant attention due to their biocompatibility, non-toxicity, and tailorable properties. In this study, we have developed a biobased resin using polyethylene glycol diacrylate, acrylated epoxidized soybean oil, and microcrystalline cellulose (MCC), and characterized mechanical, morphological, crystallographic, and swelling performances. The results show that the addition of MCC into the neat resin improves the tensile strength by 38.86%, while Young’s modulus increased by 10.33%. The morphological analysis revealed that the addition of MCCs yields better surface finishing, while X-ray diffraction analysis provides insight into the internal crystal structure. The contact angle analysis provides information about surface wettability, and swelling behavior reveals the material's water absorption capacity. The addition of MCCs increases hydrophilicity and increases mass by 16.07% over a 30-day period. These results demonstrate the potential of this biobased resin for use in biomedical engineering and tissue engineering applications.</p>

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Analysis of Biobased Composites with Microcrystalline Cellulose Developed by Additive Manufacturing

  • 期刊论文

  • 发表日期：

    2025年11月10日

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  • Md Sakhawat Hossain,
  • Hui Li,
  • Farhan Chowdhury,
  • Sabrina Nilufar

摘要

Stereolithography (SLA) is one of the most widely used additive manufacturing technologies, due to its extensive application in industrial and research sectors. It prints complex structures with higher precision and better surface finish. Acrylate resins are predominantly used in SLA technology; however, the petroleum content makes them vulnerable to the environment. To address this issue, biobased resins have received significant attention due to their biocompatibility, non-toxicity, and tailorable properties. In this study, we have developed a biobased resin using polyethylene glycol diacrylate, acrylated epoxidized soybean oil, and microcrystalline cellulose (MCC), and characterized mechanical, morphological, crystallographic, and swelling performances. The results show that the addition of MCC into the neat resin improves the tensile strength by 38.86%, while Young’s modulus increased by 10.33%. The morphological analysis revealed that the addition of MCCs yields better surface finishing, while X-ray diffraction analysis provides insight into the internal crystal structure. The contact angle analysis provides information about surface wettability, and swelling behavior reveals the material's water absorption capacity. The addition of MCCs increases hydrophilicity and increases mass by 16.07% over a 30-day period. These results demonstrate the potential of this biobased resin for use in biomedical engineering and tissue engineering applications.