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"Generally, when cloth gets wet, it becomes less breathable, and if you look at this cloth, it actually becomes more breathable when wet." Wuhan Textile University professor, intelligent textile designer Wang Dong recently in his studio to science and Technology Daily reporters show a smart textile fabric said. Wang's studio is like a textile "treasure cave" : a smart seat can sense and indicate pressure, a smart insole can sense and record walking data, and a smart T-shirt can judge and adjust its own comfort level.

When we are entangled in the advantages and disadvantages of cotton, chemical fiber, silk clothing, intelligent textiles have quietly out of the laboratory, "mixed" into our life.

Know your cloth best

"The concept of smart textiles was first proposed in the late 1970s, and its meaning was relatively broad and unclear. It was only gradually recognized in the late 1990s." Wang Dong said, intelligent textiles usually refers to the integration of textile, electronics, information, biology, medicine, new energy and other multidisciplinary integrated technology, can sense changes in human body or environmental signals, and actively respond through feedback mechanism, while retaining traditional textiles inherent style and technical characteristics of a new type of textiles.

From ancient times to modern times, cloth from leaves, cotton, silk to chemical fiber, textile from a single clothing to non-woven articles of daily use, industrial materials. The evolution of textiles also reflects the progress of human civilization and technology.

Wang Dong introduced, intelligent textile has the characteristics of multi-disciplinary cross, its cross industry application is very extensive, the difference of each index will lead to product performance completely different.

As people have more and more functional demands for wearable products such as comfort, the development of intelligent textiles has ushered in opportunities as well as challenges.

"The ingredients have changed, and the product design has to follow." Wang said that an intelligent textile product often contains a set of intelligent systems with multi-disciplinary applications. He and his team designed an exercise T-shirt that detects, analyzes and monitors heat and mass transfer to maintain user comfort in real time.

The state of the smart textile can be adjusted instantly. In the process of movement, the pores of this kind of clothing fabric can expand automatically according to the heat change of the human body, in order to help the human body to sweat quickly, when the temperature is appropriate, the pores are closed automatically. At the same time, it can also capture the body's physical characteristics during movement, recording heart rate, blood oxygen saturation and other data, and transmitted to the terminal.

Technology and Art "Hand in hand" on cloth

The application of intelligent textiles will bring us a completely different and wonderful life.

"At present, smart textiles are involved in health monitoring, personal protection, transportation energy, entertainment and music." Mr. Wang said such products have played a key role in some daily lives.

He introduced the emotional experience shirt designed by a foreign company, which uses digital printing technology to embed sensors in the shirt with streamlined texture design to capture the intensity, duration and location of touch and reproduce the feeling of hug. The phone App and shirt can be connected through Bluetooth to record the relevant parameters of the hug and transmit them to distant friends and relatives who also have the product, thus simulating the touch feeling of the hug.

The classification of intelligent textiles is generally divided into "passive" intelligent textiles and "active" intelligent textiles by the way of response to external stimuli. The former, such as shape memory materials, hydrophobic or hydrophilic textiles, can change their properties after being stimulated by the environment; The latter refers to textiles equipped with sensors and actuators that convert internal parameters into information.

"Smart textiles are a combination of technology and art." In Wang Dong's opinion, intelligent textile designers must have knowledge of materials, electronics, industrial design and other disciplines. Intelligence is the embodiment of personality, and designers need to design different products according to the characteristics of textiles to meet differentiated needs.

Intelligent textile is not an ordinary cloth, only with scissors, measuring ruler can not design a good product. Wang Dong believes that it is easier to accept intelligent textiles by implanting scientific connotation in art and expressing science and art.

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