• Effects of Mechanical Recycling and UV Aging on the Properties and Surface Degradation of Post-Consumer Recycled Polypropylene

  • Jinho Park*, ***, Yeong-won Lim*, Beom-Gon Cho**,† , and Young Gyu Jeong***,†

  • *Mobility Materials R&D Division, Korea Automotive Technology Institute, 303 Pungse-ro, Cheonan, Chungnam 31214, Korea
    **Department of Polymer Science and Engineering, Kumoh National Institute of Technology,
    61 Daehak-ro, Gumi, Gyeongbuk 39177, Korea
    ***Department of Advanced Organic Materials Engineering, Chungnam National University, Daejeon 34134, Korea

  • 물리적 재활용 및 자외선 노화에 따른 생활계 폐폴리프로필렌의 물성 및 표면 특성에 미치는 영향

  • 박진호*, *** · 임영원* · 조범곤**,† · 정영규***,†

  • *한국자동차연구원 소재연구본부, **국립금오공과대학교 고분자공학과, ***충남대학교 유기응용재료공학과

  • Reproduction, stored in a retrieval system, or transmitted in any form of any part of this publication is permitted only by written permission from the Polymer Society of Korea.


References
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  • 2. Kaisersberger, E.; Knappe, S.; Opfermann, J.; Möhler, H. The Influence of Recycled Material on the Crystallization Kinetics of Thermoplastic Polymers. J. Therm. Anal. 1993, 40, 821-829.
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  • 3. Scoppio, A.; Cavallo, D.; Müller, A. J.; Tranchida, D. Temperature Modulated DSC for Composition Analysis of Recycled Polyolefin Blends. Polym. Test. 2022, 113, 107656.
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  • 4. Veroneze, I. B.; Onoue, L. A.; Cruz, S. A. Thermal Stability and Crystallization Behavior of Contaminated Recycled Polypropylene for Food Contact. J. Polym. Environ. 2022, 30, 3474-3482.
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  • 5. Baltes, L.; Costiuc, L.; Patachia, S.; Tierean, M. Differential Scanning Calorimetry—a Powerful Tool for the Determination of Morphological Features of the Recycled Polypropylene. J. Therm. Anal. Calorim. 2019, 138, 2399-2408.
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  • 6. Raab, M.; Kotulák, L.; Kolařík, J.; Pospíšil, J. The Effect of Ultraviolet Light on the Mechanical Properties of Polyethylene and Polypropylene Films. J. Appl. Polym. Sci. 1982, 27, 2457-2466.
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  • 7. Lipp-Symonowicz, B.; Sztajnowski, S.; Kardas, I. Influence of UV Radiation on the Mechanical Properties of Polyamide and Polypropylene Fibres in Aspect of Their Restructuring. AUTEX Res. J. 2006, 6, 196-203.
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  • 8. Hossain, M. T.; Shahid, M. A.; Mahmud, N.; Habib, A.; Rana, M. M.; Khan, S. A.; Hossain, M. D. Research and Application of Polypropylene: A Review. Discov. Nano 2024, 19, 2.
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  • 9. Yang, Y.; Hu, C.; Zhong, H.; Chen, X.; Chen, R.; Yam, K. L. Effects of Ultraviolet (UV) on Degradation of Irgafos 168 and Migration of Its Degradation Products from Polypropylene Films. J. Agric. Food Chem. 2016, 64, 7866-7873.
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  • 10. Hao, L.; Ma, H.; Xing, B. Surface Characteristics and Adsorption Properties of Polypropylene Microplastics by Ultraviolet Irradiation and Natural Aging. Sci. Total Environ. 2024, 944, 173962.
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  • 11. Özcanhan, M.; Kutlu, B.; Özdemir, H. Ultraviolet Aging Behavior of Polypropylene Sacks by Outdoor Weathering. Iran. Polym. J. 2024, 34, 795-805.
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  • 12. Kajaks, J.; Kalnins, K.; Matvejs, J. Accelerated Aging of WPCs Based on Polypropylene and Plywood Production Residues. Open Eng. 2019, 9, 115-128.
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  • 13. Arráez, F. J.; Arnal, M. L.; Müller, A. J. Thermal and UV Degradation of Polypropylene with Pro‐oxidant. Abiotic Characterization. J. Appl. Polym. Sci. 2018, 135, 46088.
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  • 14. Al-Salem, S. M.; Sharma, B. K.; Khan, A. R.; Arnold, J. C.; Alston, S. M.; Chandrasekaran, S. R.; Al-Dhafeeri, A. T. Thermal Degradation Kinetics of Virgin Polypropylene (PP) and PP with Starch Blends Exposed to Natural Weathering. Ind. Eng. Chem. Res. 2017, 56, 5210-5220.
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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2024 Impact Factor : 0.6
  • Indexed in SCIE

This Article

  • 2026; 50(2): 274-281

    Published online Mar 25, 2026

  • 10.7317/pk.2026.50.2.274
  • Received on Sep 19, 2025
  • Revised on Nov 1, 2025
  • Accepted on Nov 14, 2025

Correspondence to

  • Beom-Gon Cho** , and Young Gyu Jeong***

  • **Department of Polymer Science and Engineering, Kumoh National Institute of Technology,
    61 Daehak-ro, Gumi, Gyeongbuk 39177, Korea
    ***Department of Advanced Organic Materials Engineering, Chungnam National University, Daejeon 34134, Korea

  • E-mail: bgcho@kumoh.ac.kr, ygjeong@cnu.ac.kr