Strengthening and toughening sodium alginate fibers using a dynamically cross-linked network of inorganic nanoparticles and sodium alginate through the hydrogen bonding strategy

Yan, Ming; Shi, Junfeng; Tang, Song; Liu, Lingwei; Zhu, Haotong; Zhou, Guohang; Zeng, Jiexiang; Zhang, Hong; Yu, Yue; Guo, Jing

doi:10.1039/d1nj01423d

Cited by 15 publications

(7 citation statements)

References 48 publications

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“…The first stage is mainly due to the diffusion loss of internal free water and bound water. 45 The maximum weight loss temperature is delayed considerably in the second stage, mainly owing to the breaking of CA glycosidic bonds and the PAA backbone and the removal of water molecules from the adjacent hydroxyl groups in the SA chains and between the chains. The third stage corresponded to the temperature range from 350 to 550 °C.…”

Section: Resultsmentioning

confidence: 99%

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One-pot preparation of algae-based phase change fibers with a dynamic double network structure for enhanced strength and toughness

et al. 2023

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Section: Resultsmentioning

confidence: 99%

Section: Analysis Of Crystallization Properties Of the Peg/ca/ Paa-vs...mentioning

confidence: 99%

One-pot preparation of algae-based phase change fibers with a dynamic double network structure for enhanced strength and toughness

et al. 2023

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“…The wet spinning device is large and is not versatile enough for the fabrication of alginate fiber with a special shape and function. Therefore, a modified version, mini wet spinning device was proposed and developed by some researchers [ 33 , 34 ] as displayed in Figure 6 . During the fabrication, the alginate spinning dope in the syringe is extruded into the CaCl 2 solution to finish the ion exchange and then the primary fibers will be obtained without further stretching.…”

Section: Preparation Methods Of Calcium Alginate Fibermentioning

confidence: 99%

“…Moreover, the alginate porous scaffold can be acquired without ionic cross-linking, just by the freeze-drying technique. In order to enrich the application properties of the alginate scaffold, some other polymers such as gelatin [ 29 , 30 ], chitosan [ 31 , 32 ] and collagen [ 33 , 34 ] were also incorporated into the alginate polymer to lyophilize and form the hybrid multi-functional lyophilized scaffold.…”

Section: Introductionmentioning

confidence: 99%

Fabrication, Property and Application of Calcium Alginate Fiber: A Review

et al. 2022

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As a natural linear polysaccharide, alginate can be gelled into calcium alginate fiber and exploited for functional material applications. Owing to its high hygroscopicity, biocompatibility, nontoxicity and non-flammability, calcium alginate fiber has found a variety of potential applications. This article gives a comprehensive overview of research on calcium alginate fiber, starting from the fabrication technique of wet spinning and microfluidic spinning, followed by a detailed description of the moisture absorption ability, biocompatibility and intrinsic fire-resistant performance of calcium alginate fiber, and briefly introduces its corresponding applications in biomaterials, fire-retardant and other advanced materials that have been extensively studied over the past decade. This review assists in better design and preparation of the alginate bio-based fiber and puts forward new perspectives for further study on alginate fiber, which can benefit the future development of the booming eco-friendly marine biomass polysaccharide fiber.

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“…In this work, we attempt to introduce long-chain, phase-changed, saturated fatty acids and coumarin fluorophores into anhydrous fibers for thermochromic fluorescence and demonstrate their application potential. An alginate wet-spinning system − was chosen here as the fiber matrix to demonstrate that the self-crystallinity phase change can produce the thermochromic fluorescence behavior of polymeric fibers. The results show that the obtained thermochromic fluorescence fibers possess a fast response speed (<1 s), significant color change, high emission contrast, and good reversibility (>100 cycles).…”

Section: Introductionmentioning

confidence: 99%

Electro-Thermochromic Luminescent Fibers Controlled by Self-Crystallinity Phase Change for Advanced Smart Textiles

Duan

Wang

et al. 2021

ACS Appl. Mater. Interfaces

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Smart textiles with tunable luminescence have received special attention due to their great potential in various advanced photonic applications. Particularly, the development of one-dimensional, on-demand, responsive fluorescence fibers with excellent adaptability is of great significance. Herein, we propose electro-thermochromic fluorescence fibers regulated by a self-crystallinity phase change; that is, their tunable luminescence properties are derived from the reversible conversion of the dispersion state and fluorescence emission of fluorophore molecules during the crystallization/melting processes of phase-change materials. First results obtained with an alginate wet-spinning system demonstrate that the self-crystallinity phase change can produce polymeric fibers with thermochromic fluorescence behavior, which are prepared using microemulsion particles containing a phase-change fatty acid and coumarin fluorescent dyes. These thermochromic fluorescence fibers possess a fast response speed, high emission contrast, and good reversibility (>100 cycles). Particularly, the thermochromic fluorescent fibers can gain an electrotriggered capability by means of electric heating materials, and their great potential in precision operation applications is demonstrated. It is easy to adjust the switching point of the electro-thermochromic fluorescence fibers, highlighting their potential use in a diverse range of applications, the designs of which can be personalized. This work offers a simple yet versatile strategy for constructing electro-thermochromic fluorescence fibers for advanced smart textiles.

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Strengthening and toughening sodium alginate fibers using a dynamically cross-linked network of inorganic nanoparticles and sodium alginate through the hydrogen bonding strategy

Abstract: Nanoparticles were introduced to strengthen and toughen sodium alginate fibers through a dynamically cross-linked network by hydrogen bonding.

Cited by 15 publications

References 48 publications

One-pot preparation of algae-based phase change fibers with a dynamic double network structure for enhanced strength and toughness

One-pot preparation of algae-based phase change fibers with a dynamic double network structure for enhanced strength and toughness

Fabrication, Property and Application of Calcium Alginate Fiber: A Review

Electro-Thermochromic Luminescent Fibers Controlled by Self-Crystallinity Phase Change for Advanced Smart Textiles

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