Superabsorbent Fabric Based on Weft‐Back Weave Structure for Efficient Evaporative Cooling

Li, Xiaoyan; Javed, Muhammad; Luo, Ming; Cai, Zaisheng; Xu, Bi

doi:10.1002/admi.202001329

Cited by 16 publications

(10 citation statements)

References 30 publications

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“…[2] Therefore, developing sustainable and low-cost approaches without using ductwork, equipment, and electric power resource to reduce energy costs and greenhouse gas emissions are desirable. [3,4] In recent years, one promising alternative strategy is passive daytime radiative cooling (PDRC), which has attracted tremendous attention. PDRC is able to cool the object by spontaneously reflecting sunlight (𝜆 ≈ 0.3-2.5 μm) and radiating heat to the cold outer space through the atmospheric transparency window (𝜆 ≈ 8-13 μm).…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Hydrophobic Multilayered Fabric for Passive Daytime Radiative Cooling

Sun

Javed

et al. 2022

Macro Materials & Eng

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Passive daytime radiative cooling (PDRC) has attracted great attention recently due to its high potential for reducing global energy consumption. However, PDRC materials are easily contaminated in practical applications, which will seriously attenuate their long-term cooling performance. In this work, a multilayered PDRC fabric that is composed of polydimethylsiloxane (PDMS), polymethyl methacrylate (PMMA), and cotton is shown. This multilayered fabric displays a high solar reflectivity (0.94) and an appropriate atmospheric window emissivity (0.79). A practical application test demonstrates the glass covered by this PDRC fabric can lower the temperature up to 7.8 °C under a solar intensity of ≈495 W m −2 . Meanwhile, the multilayered PDRC fabric exhibits self-cleaning property due to its high water contact angle of 118°. Rolling water can effectively remove the contaminants on the fabric surface. It is believed that this multilayered fabric is a promising material to alleviate the energy crisis and reduce greenhouse gas emissions.

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Section: Introductionmentioning

confidence: 99%

Fabrication of Hydrophobic Multilayered Fabric for Passive Daytime Radiative Cooling

Sun

Javed

et al. 2022

Macro Materials & Eng

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“…High‐performance moisture management fibrous structures are categorized by considering two parameters: (1) antigravity directional water transport and (1) expedited evaporation 9 . In this regard, different strategies have been regarded to improve moisture and heat management of textile using profiled fiber, 13,12 spectrally selective fiber, 14 Tree‐like fiber assemblies 15,16 and changing the weave structure of fabric 17 …”

Section: Introductionmentioning

confidence: 99%

“…Focusing on ventilation of the microclimate between skin and next to skin clothing instead of the whole indoor space ventilation is one of the main trajectories to reduce the greenhouse gas emission, carbon footprint and global warming. [1][2][3][4][5][6] This concept has also driven researchers to devote continuous efforts to improve the performance of outdoor clothing towards enhanced smart heat and moisture management functionalities. 7,8 Fibrous structures with thermoregulating functions are in high demand for reducing energy consumption and improving human thermal comfort.…”

Section: Introductionmentioning

confidence: 99%

“…9 In this regard, different strategies have been regarded to improve moisture and heat management of textile using profiled fiber, 13,12 spectrally selective fiber, 14 Tree-like fiber assemblies 15,16 and changing the weave structure of fabric. 17 Smart textiles for thermal comfort applications should dynamically sense and respond to climate change in order to thermoregulate wearer body. 18 In one of the main categories of functional and smart textiles, the membrane is integrated with the clothing system to provide potentials such as wind and water-resistant, chemical and biological protection and intelligent temperature control while allowing water vapor molecules to pass through.…”

Section: Introductionmentioning

confidence: 99%

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A review on emerging developments in thermal and moisture management by membrane‐based clothing systems towards personal comfort

Gorji

Mazinani

Gharehaghaji

2022

J of Applied Polymer Sci

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Enhanced heat and moisture management has become highly urgent to clothing systems due to the global need to personalize the ventilation process. As a significant sector of apparel industries, membrane‐based clothing systems offer protection and ventilation functionalities. This review aims at providing a new viewpoint on efforts to improve heat and moisture management in membrane‐based clothing systems according to the latest advances in this field. The study terminates with presenting a perspective on current challenges and opportunities for future research directions in personal thermal and moisture management technologies. In fact, membranes with different functionalities used in clothing systems such as photonic membranes with heating and cooling performances, unidirectional liquid transport membranes, waterproof‐breathable membranes, shape‐memory membranes, thermoregulating membranes, thermal conductive membranes and finally protective membranes are investigated. The essential functions associated to different categories of the investigated membranes along with the relationships between membrane structure and properties are presented.

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“…Evaporative cooling is a simple, inexpensive, and green strategy to cool the human and buildings without additional energy input. [26][27][28] Li et al [29] reported an evaporative cooling fabric by integrating superabsorbent…”

mentioning

confidence: 99%

Preparation of Passive Daytime Cooling Fabric with the Synergistic Effect of Radiative Cooling and Evaporative Cooling

Sun

Javed

et al. 2021

Adv Materials Technologies

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µm) and emitting thermal radiation into the chilly outer space through the atmospheric transparency window (8-13 µm). [3][4][5][6][7][8] To achieve desired cooling effect, PDRC structures should possess a sufficiently high solar reflectance (R solar ) to minimize the heat gain from the environment and a superior long-wave IR emittance (ε LWIR ) for releasing excess heat to the cold outer space. [9][10][11] A variety of PDRC coolers have been proposed and exhibit efficient cooling effect. [12][13][14][15][16][17][18][19][20] Raman et al. [16] presented a nanophotonic structured PDRC cooler consisting of seven alternating layers of hafnium dioxide (HfO 2 ) and silica (SiO 2 ), which could cool the rooftop 4.9 °C below ambient air temperature under direct sunlight irradiation (>850 W m −2 ). Zhai et al. [19] reported a randomized glass-polymer hybrid PDRC film by embedding SiO 2 microspheres in the polymethylpentene matrix and backing the film with a silver coating. It is claimed the prepared PDRC film exhibited a noontime radiative cooling power of 93 W m −2 under direct sunshine. Furthermore, textile as a high-strength flexible material has received widespread attention in many fields. [21,22] Some radiative cooling textiles have also been successfully prepared. Wang et al. [23] presented an electrospinning method to fabricate the flexible membrane radiator, which consists of polyvinylidene fluoride/tetraethyl orthosilicate fibers and SiO 2 microspheres randomly distributed across its surface. Cai et al. [24] reported a spectrally selective nanocomposite textile for radiative outdoor cooling by embedding zinc oxide (ZnO) nanoparticles into polyethylene (PE). Zeng et al. [25] developed a multilayer PDRC metafabric which could cool a human body ≈4.8 °C lower than that covered by a regular cotton fabric in the practical application tests. These PDRC systems show reliable daytime radiative cooling performance. However, most of the PDRC devices suffer from complex preparation process and high cost.Besides radiative cooling, evaporative cooling is also an effective alternative to achieve passive cooling by dissipating heat through water evaporation. Evaporative cooling is a simple, inexpensive, and green strategy to cool the human and buildings without additional energy input. [26][27][28] Li et al. [29] reported an evaporative cooling fabric by integrating superabsorbent

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Superabsorbent Fabric Based on Weft‐Back Weave Structure for Efficient Evaporative Cooling

Cited by 16 publications

References 30 publications

Fabrication of Hydrophobic Multilayered Fabric for Passive Daytime Radiative Cooling

Fabrication of Hydrophobic Multilayered Fabric for Passive Daytime Radiative Cooling

A review on emerging developments in thermal and moisture management by membrane‐based clothing systems towards personal comfort

Preparation of Passive Daytime Cooling Fabric with the Synergistic Effect of Radiative Cooling and Evaporative Cooling

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