한국포장학회지 (KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY)

한국포장학회 (Korea Society of Packaging Science and Technology)
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마이크로피브릴화 셀룰로오스(MFC)/프로폴리스 첨가 PLA 필름 제조 및 특성 분석

Manufacture and Characterization of Microfibrillated Cellulose (MFC)/Propolis-Incorporated PLA Films

  • 이연주 (경북대학교 식품공학부 식품생물공학전공) ;
  • 강혜지 (경북대학교 식품공학부 식품생물공학전공) ;
  • 김민수 (경북대학교 식품공학부 식품생물공학전공) ;
  • 정영훈 (경북대학교 식품공학부 식품생물공학전공)
  • Yeon Ju Lee (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Hye Jee Kang (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Min Su Kim (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Young Hoon Jung (School of Food Science and Biotechnology, Kyungpook National University)
  • 투고 : 2023.06.12
  • 심사 : 2023.07.04
  • 발행 : 2023.08.31
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초록

The study aimed to enhance the properties of polylactic acid (PLA), a biodegradable and biocompatible substitute for fossil-based plastics. Since the applicability of PLA has been limited because of its toughness and brittleness, microfibrillated cellulose (MFC) and propolis were introduced into PLA. As a result, the PLA film with MFC/propolis showed significant improvements in mechanical strength, elongation, and storage modulus, while also experiencing a decrease in the glass transition temperature. Additionally, the presence of polyphenols in propolis led to a reduction in light transmittance in the UV wavelength range. These enhancements are attributed to MFC tightly bonding with PLA polymers, and propolis acting as a plasticizer and mediator between MFC and PLA, preventing agglomeration. These reinforced PLA films have the potential to be used in flexible packaging for light-sensitive products.

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과제정보

프로폴리스를 제공해주신 씨피알에스앤티 이진경 대표님께 감사드립니다. This work was supported by the National Research Foundation of Korea (NRF) grant funded by Korea government (Ministry of Science and ICT, MSIT; No. 2020R1C1C1005251).

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