خودترمیمی بسته بندی پلیمری مواد غذایی

نوع مقاله : تالیفی

نویسندگان

1 مرکز آموزش عالی فنی و مهندسی بوئین زهرا

2 دانشگاه آزاد اسلامی-واحد ماهشهر

چکیده

کاربرد مواد پلیمری خودترمیم به شکل فیلم یا پوشش در صنعت بسته بندی مواد غذایی می تواند بسیار امیدوارکننده باشد. زیرا این بسته بندی ها در صورت آسیب دیدگی می توانند خودبه خود یکپارچگی سطح و ویژگی های خود را ترمیم و بازیابی کنند. بسته بندی ها معمولاً به طور اجتناب ناپذیر و نامحسوس طی حمل و نقل، جابه جایی و ذخیره سازی آسیب می بینند. در این صورت، بخش های آسیب دیدة بسته بندی های رایج، که فاقد قابلیت خودترمیمی هستند، به دلیل قرارگیری در معرض محیط، مستعد رشد میکروبی می شوند. این موضوع ممکن است، کیفیت و امنیت مادة غذایی را به خطر اندازد. در حال حاضر، در مطالعات مربوط به بسته بندی مواد غذایی، فیلم ها و پوشش های خودترمیم براساس سازوکارهای ذاتی و غیرذاتی توسعه یافته اند. به طور خلاصه، خودترمیمی در سازوکار اول با وجود محرک خارجی به طور غیرخودکار و در سازوکار دوم به طور خودکار رخ می دهد. در این مطالعه، به سازوکارهای خودترمیمی، فیلم ها و پوشش های برپایة آن ها پرداخته شده و کاربرد آن ها در زمینه بسته بندی مواد غذایی بررسی شده است. گفتنی است، تاکنون فیلم ها و پوشش های خودترمیم، عمدتاً در مقیاس آزمایشگاهی به منظور انجام مطالعات علمی ساخته و بررسی شده اند. مقالات مروری اخیر نیز به ندرت به محدودیت های واقعی صنعت در ارتباط با بهبود کاربرد عملی این فیلم ها و پوشش ها در بخش بسته بندی مواد غذایی پرداخته اند. از این رو، مطالعة حاضر برخلاف مطالعات پیشین، چالش های خاص صنعت در زمینه توسعة بسته بندی های خودترمیم را نیز بررسی و بر اهمیت آن ها تأکید کرده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Self-Healing of Polymeric Food Packaging

نویسندگان [English]

  • Reza Bagheri-Renani 1
  • Fatemeh Arabgol 1
  • Azin Paydayesh 2
1 Buein Zahra Technical University
2 Islamic Azad University, Mahshahr
چکیده [English]

The use of self-healing polymer materials in the form of film or coating in the food packaging industry can be very promising, because in case of damage, they can automatically repair and restore the integrity of their surface and characteristics by themselves. Packages are usually inevitably and imperceptibly damaged during transportation, handling and storage. In this case, the damaged parts of common packages, which lack self-healing ability, become susceptible to microbial growth due to exposure to the environment. This may endanger the quality and safety of food products. Within the realm of food packaging research, self-healing films and coatings have been developed using both intrinsic and non-intrinsic mechanisms. The former involves non-automatic self-healing in the presence of an external stimulus, while the latter mechanism enables automatic self-repair. In this study, self-healing mechanisms and the associated films and
coatings have been explored and the feasibility and benefits of incorporating these materials into the realm of food packaging have been investigated. It should be mentioned that so far self-healing films and coatings have primarily been developed and examined mainly on a laboratory scale in order to conduct scientific studies. Moreover, recent review articles have rarely considered the real limitations of the industry in relation to improving the practical application of these films and coatings in the food packaging sector. Therefore, unlike previous studies, the present study has also examined the specific challenges of the industry in the field of self-healing packaging development and emphasized their importance. 

کلیدواژه‌ها [English]

  • self
  • healing: mechanism: food packaging: film: coating
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