Development of Thermochromic Pigment Based Sportswear for Detection of Physical Exhaustion

Potuck, Alicia; Meyers, Sarah; Levitt, Ariana; Beaudette, Eric; Xiao, Hong; Chu, Chih-Chien; Park, Huiju

doi:10.1080/17569370.2016.1216990

Cited by 14 publications

(8 citation statements)

References 18 publications

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“…There are many morphological forms and phases in which thermochromism can manifest: inorganic transition metals complexes, pigments, leuco dyes, natural dyes, liquid crystals, conjugated polymers, hydrogels, fibers, and composites. [1,3,9,11,[13][14][15]18,20,30,[35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50] Each of these materials can be categorized in one of two main categories: intrinsic and doped systems. Intrinsic thermochromic systems are those that can self-assemble into certain phases, configurations, or conformations which upon external thermal stimulation, shift into a form that exhibits a different color or spectral characteristics.…”

Section: Types Of Thermochromic Materialsmentioning

confidence: 99%

“…Additives such as pigments and dyes are commonly used to add thermochromic characteristics to materials such as inks and textiles. [15,30,35,58,78] Chromophores are chemical groups on molecules that are responsible for exhibiting color and consist of arrangements with conjugated pi systems. [33] Many natural dyes are made from organic compounds such as ß-carotene, as shown in Figure 3, which is found in carrots and exhibits a yellow-orange color and anthocyanidin, shown in Figure 4, which is found in select fruits and vegetables exhibits a violet color.…”

Section: Thermochromic Additives: Pigments and Dyesmentioning

confidence: 99%

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Green Thermochromic Materials: A Brief Review

Crosby

Netravali

2022

Advanced Sustainable Systems

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common thermochromic systems studied are leuco dyes and pigments, liquid crystalline polymers, and transition metal inorganic complexes. [2,15,[16][17][18][19][20][21][22][23] However, finished thermochromic materials commonly consist of or are incorporated into media that are or contain toxic, hazardous, or nondegradable components. [8,15,24] This limits their usage in applications that can pose the risk of cytotoxicity to the human body, such as food packaging or body temperature sensing devices for infants. Further, such hazardous and nondegradable materials exhibit high levels of persistence in soil as well as water systems and can pollute and disrupt these critical ecological systems. [24][25][26] "Green" thermochromic materials is a new and emerging field of research. Breakthroughs in this field will seek to replace toxic or inorganic materials which dominate the current thermochromic literature and applications with newly developed greener ones. Being a field in its infancy, there has yet to be a body of work that accumulates the current state of research in this field. This brief review seeks to explore and identify the constituent requirements for green materials as well as equip researchers to design thermochromic systems utilizing green chemistry. The history of thermochromism is reviewed in this paper. The mechanisms of thermochromism in common solids, liquids, and mesophases are considered as well as how the mechanistic pathway translates into their current applications. A general distinction between reversible and irreversible thermochromism is also discussed. Recent advances in the emerging field of green thermochromic materials are discussed critically and future applications mentioned.

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Section: Types Of Thermochromic Materialsmentioning

confidence: 99%

Section: Thermochromic Additives: Pigments and Dyesmentioning

confidence: 99%

Green Thermochromic Materials: A Brief Review

Crosby

Netravali

2022

Advanced Sustainable Systems

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“…Potuck et al [17] applied thermochromic pigments to sportswear to visually spot muscle fatigue by observing colour changes in the garment as the skin temperature rises. A thermal manikin set in a controlled environment validated the pigment colour change.…”

Section: Introductionmentioning

confidence: 99%

Thermochromic Yarns’ Application in Fever Detection for Young Children

Xia,

Liu,

Zhang

et al. 2024

Applied Sciences

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The existing literature emphasizes the significance of and needs for developing body temperature monitoring devices that can consistently and discreetly assess the temperatures of young children. Such products could offer a method to check children’s body temperature and alleviate parents’ concerns over fever. However, research gaps and challenges exist in preserving material flexibility, conducting tests in a controlled setting that mimics body temperature, and investigating consumer perceptions of this type of functional textile product. Therefore, this research aimed to investigate functional textiles using thermochromic yarns for young children’s body temperature detection, particularly focusing on testing prototypes in a controlled environment and empirically investigating target consumers’ perceptions of such products. Experimental prototype testing and a consumer survey were conducted in this study. The findings validate the practicality and market potential of such products. We also proposed alternative mediums for implementing the functional yarn and recommendations for developing these products based on target consumers’ concerns and suggestions. This research helped identify potential economic development possibilities for functional textiles.

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“…The physiological skin temperature is between 33 and 38 °C. An increased average skin temperature is also linked to physical fatigue [ 7 ]. Thermochromic pigments are used in fabrics to detect this fatigue [ 6 ].…”

Section: Introductionmentioning

confidence: 99%