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<p>Present research focused on the addition of bio fibers (soyabean and corn) with bio fillers (coconut shell and walnut shell powder) and biopolymer (polylactic acid) for composite fabrication. Characterization of developed sample includes the hardness, tensile, flexural, and impact test. Outcomes evidently shows that addition of fillers and fibers enhanced the hardness value of composite specimen as compared to neat PLA composite specimen. Maximum hardness value of 98 Shore-D was achieved by SPW composite. Addition of walnut fillers achieved higher tensile strength of developed bio composites. Among all the developed bio composite specimens, SPW composite specimens achieved highest tensile strength of 57.82 MPa and neat PLA exhibits minimum tensile strength of 23.54 MPa. Incorporation of coconut filler with soyabean fiber and walnut filler with corn fiber gives better flexural strength as compared to other developed bio composites. SPC composite specimens achieved highest flexural strength of 59.59 MPa and neat PLA exhibits minimum flexural strength of 23.32 MPa. SPW composite achieved maximum impact strength of 18.8 Joule. At 25% UTS, SPC composite achieved maximum fatigue cycle of 3640 and minimum fatigue cycle of 3089 was demonstrates by neat PLA composite. At 50% UTS, SPC composite got maximum fatigue cycle of 3640 and minimum fatigue cycle of 3089 was shows by neat PLA composite. At 75% UTS, SPC composite reached maximum fatigue cycle of 2634 and minimum fatigue cycle of 1767 was shows by neat PLA composite. At 2000 sec, minimum creep strain of 0.0097 was exhibits by neat PLA composite while maximum creep strain of 0.062 was exhibited by SPC composite. Maximum creep strain of 0.1 was shown by SPC composite at 15000 sec.</p>

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Green synthesis and characterization of PLA-based bio-composites reinforced with cellulose fillers and fibers

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Vijay Chaudhary,
  • Chanchal Ahlawat,
  • Ranjana Mishra,
  • Mahendra Kumar Verma,
  • Pallav Gupta,
  • P. Senthamaraikannan

摘要

Present research focused on the addition of bio fibers (soyabean and corn) with bio fillers (coconut shell and walnut shell powder) and biopolymer (polylactic acid) for composite fabrication. Characterization of developed sample includes the hardness, tensile, flexural, and impact test. Outcomes evidently shows that addition of fillers and fibers enhanced the hardness value of composite specimen as compared to neat PLA composite specimen. Maximum hardness value of 98 Shore-D was achieved by SPW composite. Addition of walnut fillers achieved higher tensile strength of developed bio composites. Among all the developed bio composite specimens, SPW composite specimens achieved highest tensile strength of 57.82 MPa and neat PLA exhibits minimum tensile strength of 23.54 MPa. Incorporation of coconut filler with soyabean fiber and walnut filler with corn fiber gives better flexural strength as compared to other developed bio composites. SPC composite specimens achieved highest flexural strength of 59.59 MPa and neat PLA exhibits minimum flexural strength of 23.32 MPa. SPW composite achieved maximum impact strength of 18.8 Joule. At 25% UTS, SPC composite achieved maximum fatigue cycle of 3640 and minimum fatigue cycle of 3089 was demonstrates by neat PLA composite. At 50% UTS, SPC composite got maximum fatigue cycle of 3640 and minimum fatigue cycle of 3089 was shows by neat PLA composite. At 75% UTS, SPC composite reached maximum fatigue cycle of 2634 and minimum fatigue cycle of 1767 was shows by neat PLA composite. At 2000 sec, minimum creep strain of 0.0097 was exhibits by neat PLA composite while maximum creep strain of 0.062 was exhibited by SPC composite. Maximum creep strain of 0.1 was shown by SPC composite at 15000 sec.