Thermal insulating and fire-retarding behavior of treated cotton fabrics with a novel high water-retaining hydrogel used in thermal protective clothing

Yu, Zhicai; Liu, Jinru; Suryawanshi, Abhijeet; He, Hualing; Wang, Yushu; Zhao, Yuhang

doi:10.1007/s10570-021-03696-y

Cited by 16 publications

(13 citation statements)

References 31 publications

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“…The enhanced water retention capacity of organohydrogels might owe to the in situ heterophase structure 13 and hydratable salt (CaCl 2 ). 53 The gelation process is monitored through rheological study, reflecting a delayed sol−gel transition from the crossover of storage modulus (G′) and loss modulus (G′′) curves after phase-change microinclusions are introduced (Figure 2c). 52,54 For example, the G′ and G′′ curves of OH-0 intersect at around 20 s, while the overlap point of OH-5, OH-20, and OH-40 appears at about 65, 50, and 55 s, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…In the case of organohydrogels, the water loss is rapidly decreased in range of 30 from 100 °C, in particular, the mass loss is about 25, 10, and 5 wt % for OH-5, OH-20 and OH-40 in which the original water content is around 93, 77, and 57 wt %, respectively. The enhanced water retention capacity of organohydrogels might owe to the in situ heterophase structure and hydratable salt (CaCl 2 ) . The gelation process is monitored through rheological study, reflecting a delayed sol–gel transition from the crossover of storage modulus ( G ′) and loss modulus ( G ′′) curves after phase-change microinclusions are introduced (Figure c). , For example, the G ′ and G ′′ curves of OH-0 intersect at around 20 s, while the overlap point of OH-5, OH-20, and OH-40 appears at about 65, 50, and 55 s, respectively.…”

Section: Results and Discussionmentioning

confidence: 99%

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Temperature-Sensitive Anti-Inflammatory Organohydrogels Containing Janus Particle Stabilized Phase-Change Microinclusions

Gui

Yang

et al. 2022

ACS Nano

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A fabrication strategy for multifunctional organohydrogels is proposed, which combines phase-change microinclusions within a double-network (DN) hydrogel under the stabilization of Janus particles. Janus particles possess reactivity and colloidal stability for more robust organohydrogels, while the interstice among Janus particles enhances the mass transfer between the phase interfaces. Moreover, DN hydrogels are achieved through dynamic cross-linking networks, endowing organohydrogels with injectability and self-healing performance. Phase-change microinclusions are beneficial to the organohydrogels with temperature-responsive mechanical property and temperature-programed shape-memory performance. Organohydrogels can be employed for temperature therapy through the melting-crystallization process of phase-change microinclusions. Simultaneously, the payloads within microinclusions can be released for antibacteria upon melting the encapsulated wax. The organohydrogels can be served as an ideal dressing with temperature-responsive mechanical property, temperature therapy effectiveness, and temperaturetriggered antibacterial ability.

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Section: Resultsmentioning

confidence: 99%

Section: Results and Discussionmentioning

confidence: 99%

Temperature-Sensitive Anti-Inflammatory Organohydrogels Containing Janus Particle Stabilized Phase-Change Microinclusions

Gui

Yang

et al. 2022

ACS Nano

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“…E M , E Kj is the elastic modulus of the spring in Maxwell and the j unit Kevin, N =mm, respectively. g M , η Kj are the viscosity coefficients in Maxwell and the j Kevin unit, N Á s=mm, respectively [9]. The subscript M represents Maxwell unit.…”

Section: Tensile Performancementioning

confidence: 99%

A Research on the Air Permeability of High Polymer Materials Used to Produce Sports Clothing Fabrics

Gao¹,

Li²,

Liu³

2023

Fluid Dynamics &Amp; Materials Processing

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Composite fabrics based on Polytetrafluoroethylene (PTFE) polymer displays several notable properties. They are waterproof, windproof, permeable to moisture and thermally insulating at the same time. In the present study, PTFE fibers are used as raw material to make fiber membranes. The film is formed by crisscrossing interconnected fiber filaments and the related air permeability: tensile creep characteristics and other properties are tested. The results show that the pore size, thickness, and porosity of the film itself can affect the moisture permeability of the film. The water pressure resistance of the selected fabric is 8.5 kPa, and the moisture permeability is 7038 g/(m 2 •24 h).

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“…Thermally insulating fibrous materials have long been used to protect humans from the damage of high temperature and chilliness and maintain a suitable human body temperature. − Because of their unique morphology, fibrous materials usually display outstanding thermal insulation effects and knittability to meet the requirements of diverse application conditions, which are widely applied in thermally insulating clothing. − To date, a series of thermally insulating fibrous materials have been exploited, including cellulose, , protein, , synthetic fibers, , etc. However, owing to their inferior heat resistance and unsatisfactory thermal insulation effect, these traditional fibrous materials are incapable of satisfying the need for thermal insulation in extreme conditions, such as aerospace, fire scene, and polar regions, which severely restricts the expansion of scientific research and the living environment. − Hence, for achieving thermal insulation on the human body under harsh environments, developing novel and efficient thermally insulating fibers is a matter of great urgency.…”

Section: Introductionmentioning

confidence: 99%

Mechanically Strong and Thermally Insulating Polyimide Aerogel Fibers Reinforced by Prefabricated Long Polyimide Fibers

Zhu

Xue

et al. 2023

ACS Appl. Mater. Interfaces

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Aerogel fibers inherit the merits of aerogel and fibrous materials, such as high porosity and satisfactory knittability, demonstrating great potential as thermal protective materials applied in harsh environments. Nevertheless, the inferior mechanical property resulting from the porous structure immensely hampers the practical application of aerogel fibers. Herein, we develop robust and thermally insulating long polyimide fiber-reinforced polyimide composite aerogel fibers (LPF-PAFs). The porous crosslinked polyimide aerogel as the sheath endows LPF-PAFs with good thermal insulation performance, while the long polyimide fibers as the core provide LPF-PAFs with superior mechanical strength. Due to the introduction of the high-strength long polyimide fibers to undertake significant stress, LPF-PAFs display outstanding strength surpassing 150 MPa without obvious mechanical performance degeneration in a wide range of temperatures from −100 to 300 °C. Moreover, the textile woven by LPF-PAFs exhibits a superior thermal insulation ability and stability to cotton textile at 200 and −100 °C, indicating its potential application in thermal protective clothing under extreme environments.

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Thermal insulating and fire-retarding behavior of treated cotton fabrics with a novel high water-retaining hydrogel used in thermal protective clothing

Cited by 16 publications

References 31 publications

Temperature-Sensitive Anti-Inflammatory Organohydrogels Containing Janus Particle Stabilized Phase-Change Microinclusions

Temperature-Sensitive Anti-Inflammatory Organohydrogels Containing Janus Particle Stabilized Phase-Change Microinclusions

A Research on the Air Permeability of High Polymer Materials Used to Produce Sports Clothing Fabrics

Mechanically Strong and Thermally Insulating Polyimide Aerogel Fibers Reinforced by Prefabricated Long Polyimide Fibers

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