An introduction to healthcare and medical textiles by Zhong, Wen

By Zhong, Wen

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The higher the surface tension, the more difficult it is for the liquid to expand its surface area. As a result, the high surface tension of the polymer solution is inversely related to the formation of fine and smooth nanofibers, because it makes it difficult to: (1) initiate the electrospinning process, as the repulsive electrostatic forces have to overcome the surface tension to shoot the fluid jet from the syringe needle tip; and (2) split the fluid jet into multiple finer filaments before it hits the collector.

Cellulose or its derivatives have also been used in the development of nanofiber materials for biomedical applications because its ultrafine fibers provide maximum comfort with low costs. , 2008). Some commonly used cellulose solvents, such as N-methyl-morpholine N-oxide/water (nNMMO/H2O, which is commercially used in the production of regenerated cellulose fibers known as Lyocell), are known for their low volatility—a reason why it is so difficult for them to be completely evaporated during electrospinning.

Handbook of technical textiles. Boca Raton, FL: CRC Press/Woodhead Pub. Hull, D. (1981). An Introduction to composite materials. Cambridge: Cambridge University Press. -C. (2007). Liquid crystals. : Wiley-Interscience. R. (1997). Introduction to design and analysis with advanced composite materials. : Prentice Hall. CHAPTER 3 Medical and Healthcare Nanofibers fibers for apparel or industrial applications are relC atively coarse, ranging from millimeters to micrometers. However, there are fibers that are much, much finer than the conventional, the ONVENTIONAL making of which requires different production techniques than those used for conventional fiber production.

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