نانو کریستال کیتین: روش های تولید، ویژگی ها و کاربردهای آن

نوع مقاله: مقاله پژوهشی

نویسندگان

گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه ارومیه

چکیده

کیتین بعد از سلولز فراوانترین پلی ساکارید نیمه بلورین موجود در طبیعت است. با حذف قسمت آمورف کیتین تحت شرایط خاص، بلورهایی در مقیاس نانو حاصل م یشوند که اصطلاحاً به آنها نانو کریستال کیتین یا نانوویسکرکیتین گفته م یشود. بدلیل دارا بودن مزایای زیاد نانوکریستالهای کیتین و سایر نانو ذرات آلی مانند نانو کریستال سلولز و نشاسته در مقایسه با نانوذرات معدنی، از جمله دسترسی آسان، غیر سمی بودن، زیست تخریب پذیری و دانسیته پایین، در طی سالهای اخیر، استفاده از آنها در زمینه تولید نانوکامپوزی تهای پلیمری، مورد توجه محققین بسیاری قرار گرفته است. در این مقاله مروری، به بررسی ساختار شیمیایی کیتین و رو شهای تهیه نانوکریستال کیتین پرداخته شده و در ادامه به نتایج مطالعاتی که اخیرا در زمین هی استفاده از این نانوذرات در تولید نانوکامپوزی تهای پلیمری صورت گرفته و همچنین تأثیرات مهم افزودن نانوکریستال کیتین بر روی خواص کاربردی پلیمرهای مختلف اشاره شده است.

کلیدواژه‌ها


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