مروری بر برق‌ریسی و کنترل ریزساختار مش‌های بی‌بافت و کاربردهای آن

نوع مقاله : مقاله مروری

نویسندگان

1 گروه بیوتکنولوژی، دانشکده مهندسی شیمی،دانشگاه تحصیلات تکمیلی صنعتی کرمان،کرمان ایران

2 گروه مهندسی پلیمر، دانشکده مهندسی شیمی، دانشگاه تحصیلات تکمیلی صنعتی کرمان، کرمان ایران

چکیده

به طورکلی نانوالیاف به الیافی اطلاق می شود که قطر آن ها کمتر از 500 نانومتر و نسبت طول به قطر آن ها بیشتر از 50 باشد. لازم به ذکر
است که تولید الیاف با ظرافت های بسیار بالا، به دلیل کارایی و خصوصیات منحصر به فرد آن ها همواره مورد توجه محققین بوده است.
یکی از رو ش های تولید الیاف در ابعاد نانومتری بر ق ریسی می باشد. در این روش با کشیدن محلول یا مذاب پلیمر باردار شده در میدان
الکتریکی بسیار قوی بین سوزن پاشش و جمع کننده مش های متشکل از الیاف در ابعاد نانومتری تولید می شوند. از ویژگی های مش های
تولیدی که تاثیرگذار برخواص آن ها می باشد می توان به قطر الیاف، توزیع اندازه قطر الیاف، تخلخل، ساختارمولکولی، خواص مکانیکی
و خواص سطحی آن اشاره نمود. ویژگی این مش ها را می توان با تغییر در شرایط محیطی تولید، خواص مواد محلول یا مذاب ریسیده
شده و عوامل فرآیندی تولید الیاف کنترل نمود. کنترل ویژگی های مش های تولیدی گستره وسیعی ازکاربرد برای آن ها فرآهم آورده
است. زمینه های تحقیقاتی همچون نساجی، بهبو د زخم، رهایش دارو، بافت مصنوعی، کاتالیزگر و فیلتراسیون از برجست هترین کاربردهای
مش های تولیدی می باشند. در این مطالعه اصول برق ریسی برای تولید مش ها، ویژگی ها و تاثیر عوامل مختلف بر ویژگی های مش ها،
پلیمر زیستی پرکاربرد برای تولید مش ها و کاربردهای برجسته مش ها بررسی شده اند. حاصل نتایج این مطالعه نشان می دهد که باکنترل
ریزساختار مش های بر قریسی شده می توان ویژگی های خاصی برای کاربردهای مختلف به آن ها القا نمود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Review on electrospinning and microstructure control of non-woven mat and its applications

نویسندگان [English]

  • Mina Farokhzadeh 1
  • Hajir Kourki 2
1 Biotechnology Group, Chemical Engineering Department,Graduate University of Advanced Technology,kerman,Iran
2 Polymer Engineering Group, Chemical Engineering Department, Graduate University of Advanced Technology, Kerman, Iran
چکیده [English]

Generally, nano fibers are referred to as fibers whose diameter is less than 500 nm and the length to diameter ratio
is greater than 50. Production of high-fidelity fibers has attained remarkable interest of researchers due to unique
properties and applications. Electrospinning is an effective technology for the preparation fibers in nano scale. In
this method, nano-fibrous mats are produced with stretching of polymer solution or melt in a very strong electric
field that is produced between the needle and the collector. Some characteristics of mats structure that affected on
their properties are fiber diameter, diameter distribution, porosity, molecular structure, mechanical properties, and
surface properties. The mats properties controlled by changing the environmental conditions of production, material
properties of soluble or melt, and processing parameters of fiber production. The features control of the produced
mats has caused a wide variety of applications. The most important uses of mates are textiles, wound dressing, drug
release, synthetic tissue, catalyst, and filtration. In this study, we focus on the electrospinning basics for the production
of mats, specification and effect of various factors on mats properties, bio-polymer that are used to produce mats
and mats applications. The results of study say specific features can be induced by controlling microstructure of the
electrospun mats for different applications.

کلیدواژه‌ها [English]

  • Nanofiber
  • Electrospinning
  • Microstructure Control
  • Voltage
  • Concentration
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