Effect of Repeated Laundry of Warp Knitted Stretch Material for Compression Wear on Dimension, Clothing Pressure, and Stretch Characteristic 


Vol. 54,  No. 5, pp. 377-385, Oct.  2017
10.12772/TSE.2017.54.377


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  Abstract

This research was conducted to analyze changes in physical properties of stretch material for compression ware after repeated laundry and to provide implications regarding management of compression wear. Five types of warp knit most frequently used in market were collected. Basic physical properties of the materials were analyzed. Each material had its % stretch (stretchability) measured. Based on the information, cylinder type were produced by applying 56% and 76% pattern reduction rate as a test specimen. Laundry was repeated for 10, 20 and 30 times. Afterward, area and clothing pressure of the test specimens were measured. Also, rate of measurement change after laundry and changes in stretching properties before and after 30 times of laundry was measured. The result confirmed that the areas of test specimens tend to change not proportionate to rate of measurement change after laundry. Clothing pressure remained without noticeable changes after 10 or 20 times of laundry. But 30 times of laundry decreased clothing pressure of every material by 0.1−0.3 kPa and deteriorated stretch characteristics. It implied that functions of compression ware could be lost or changed by repeated laundry over certain times.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)