Determination of Technological Parameters for Heat Setting of Nylon-Spandex Compression Socks
Main Article Content
Abstract
The knitted fabric samples are knitted into tubes with polyamide yarns (70D/48F), polyamide covered yarns with spandex core (50D/40D) and bare elastane yarns (420D). The knitted tubes were heat treated to study the simultaneous effects of temperature and heating time on pressure of knitted tube on the body and on the fabric elasticity. The pressure of the samples on the body was determined according to Laplace’s law, the elasticity of the samples was determined according to standard NF-G07-196. The results showed that the pressure of the tube on the body affected by the temperature and the heating time. Elasticity of polyamide–spandex knitted tube has changed little after heat treatment. The highest pressure and high elasticity achieved at 145ºC for 5 minutes.
Keywords
Nylon, polyamide, spandex, elastane, thermal treatment
Article Details
References
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[2] Pramod Raichurkar; Study effect of different parameters in heat setting of lycra fabric and other quality, Textile Excellent, February 16–28, 2011.
[3] N. Avcioglu Kalebek, O. Babaslar; Effect of Heat Setting Process for Polymers; Polymer science: research advances, practical applications and educational aspects, Fomatex, 2016.
[4] J.E. Boliek; Elastane yarn 1950–200 Chemical Fibers International, No.4–2000.
[5] Tập đoàn Dệt May Việt Nam; Cẩm nang kỹ thuật nhuộm, 2011.
[6] Cao Hữu Trọng; Công nghệ dệt sợi, Đại học Bách Khoa Hà Nội, 1993.
[7] V.B. Gupta and V.K. Kothari; Heat-setting of thermoplastic fibres, Manufactured Fibre Technology, Chapman & Hall, London, 1997.
[8] Lâm Khải Bình; Giáo trình xác suất thống kê và quy hoạch thực nghiệm, Đại học Bách Khoa Hà Nội, 1993.
[9] Trần Phạm Quỳnh Phương; Luận văn thạc sĩ – ĐH Bách Khoa Hà Nội, 2016.
[10] Jan Schuren, Kay Mohr; The efficacy of Laplace’s equation in calculating bandage pressure in venous leg ulcers; Wounds UK, 2008, Vol 4, No 2.
[11] David Tyler; Application of Pressure Sensors in Monitoring Pressure; in Hayes, S.G. and Venkatraman, P (eds), Materials and Technology for Sportswear and Performance Apparel, Boca Raton, FL: CRC Press, December 2015, Chapter 12, pages 289–31.
[12] NF G07-196; Extensibilité des étoffes et des rubans; Éditée et diffusée par l’Association Française de Normalisation (AFNOR), Tour Europe 92049 Paris La Défense Cedex, 2001.