Abstract

The subject of this paper was to examine the impact of mechanical rubbing on the rate of colour change of thermochromic ink on textile samples. Textile samples made of polyester and cotton were printed using a manual screen printing technique with a reversible magenta leuco ink, with an activation temperature of 31°C. This paper aims to investigate how the process of mechanical rubbing affects the colour change of thermochromic samples during their cooling period, with varying numbers of rubbing cycles. To determine the relationship between the rubbing process and the rate of colour change, thermal, colorimetric, and spectrophotometric values were measured on the samples. The results indicate greater resistance of polyester compared to cotton, providing guidelines for improving the durability and resistance of thermochromic textile products. These findings have a significant impact on the development of more durable, functional textile products, reducing waste and costs and enhancing the sustainability of the textile industry.

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