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Investigation into the Strength Properties of Plain Cotton Fabrics after Water Immersion for Upcycling Textiles

Yang Chen, Lin Yanping, Zhu Chunyan

Fibres & Textiles in Eastern Europe

2023

Vol. 31, no. 3

46--55

This study utilized SEM to examine the fiber structure of cotton stock fabrics and tested their durability based on ISO standards. Two types of cotton stock fabrics were evaluated: natural-colored (162 cm width, 120.8 g/m2 weight, 281/10 in × 252/10 in density) and black-colored (157 cm width, 136.1 g/m2 weight, 482/10 in × 210/10 in density). Prolonged water immersion caused surface yarns to loosen, fibers to expand, and the cross-sectional area to increase. Residual pulp and impurities on the fabric adhered to fibers. After 27 days, fiber looseness peaked, leading to complete breakdown after 30 days. Natural-colored fabric experienced significant weft strength loss within 12 days, while black fabric showed slightly higher weft strength loss after 36 days. Color changes were prominent in natural-colored fabric during the initial 21 days, while black fabric displayed noticeable changes after 12 days of immersion.

Study on the Properties of Plain Cotton Fabric Strength in a Natural Environment for Upcycling Textiles

Yang Chen, Song Ha-young

Fibres & Textiles in Eastern Europe

2022

Vol. 30, no. 5

28--38

The research primarily aimed to observe the fibre structure of cotton stock fabric through a scanning electron microscope (SEM). Then, textile durability, appearance, and comfort were tested in line with the international standards organization’s (ISO) guidelines. For this, the storage time and a series of performance indicators including breaking strength, tensile strength, colour fastness to soap washing, colour fastness to dry rubbing as well as wet rubbing were evaluated, tested and analysed. Finally, through statistically analysing the data obtained, the limit value of the physical performance index and storage time of the fabrics were acquired, and further forming of the upcycling standards of cotton stock fabric. In this study, two cotton fabrics were selected, namely, natural-coloured cotton fabric (width 162 cm, weight 120.8 g/dm2, density 281 / 10 cm × 252 / 10 cm) and black-coloured cotton fabric (width 157 cm, weight 136.1 g/dm2, density 482 / 10 cm × 210 / 10 cm). The research experiments showed that when cotton stock fabrics were stored in a natural environment (temperature 20℃, humidity 65%), as the storage time increased, the surface yarns gradually began to loosen, with some loose yarns appearing on the surface. After 90 days the loosening intensified, and after 270 days the yarn looseness was obvious. After 330 days, a break in the fibrous structure on the surface of the natural-coloured cotton stock fabric could be observed. When natural-coloured cotton stock fabric was stored in a natural environment for 360 days, it lost 4.4% of its warp-breaking strength and 12.56% of its weft-breaking strength. For black cotton stock fabric, the figures were 5.66% and 20.54% for the warp-breaking and weft-breaking strength, respectively.