A review of self-healable natural rubber based on reversible bonds: fundamental, design principle and performance

Kanafi, Nafeesa Mohd; Ghani, Anis Abdul; Rahman, Norizah Abdul; Aziz, Azlan Abdul; Sapuan, S. M.

doi:10.1007/s10853-022-08062-2

Cited by 10 publications

(3 citation statements)

References 100 publications

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“…This is reflected later in the waste stream: waste tires are a major part of elastomer waste 2–4 . These materials are difficult to recycle due to their cross‐linked structure, making it impossible to process them with traditional mass production technologies (extrusion, injection molding) 5,6 . Therefore, new solutions need to be developed for recycling.…”

Section: Introductionmentioning

confidence: 99%

Improving the mechanical properties of vulcanizates containing ground tire rubber: Recipe optimization with the Taguchi method

Kiss,

Molnár,

Mészáros

2024

Polymers for Advanced Techs

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In this study, we optimized the recipe of ground tire rubber (GTR) containing natural rubber–based vulcanizates using the Taguchi method. We examined the effect of the amount of different components on the mechanical properties of natural rubber–based vulcanizates containing GTR. We determined the individual impact of each component on the tensile strength, elongation at break, modulus, tear strength, and hardness of the vulcanizates. However, when multiple components are changed simultaneously, understanding the underlying processes can be challenging. Nevertheless, using the Taguchi method, we were able to decide which component quantity we needed to modify to enhance a specific mechanical property. With the Taguchi method, we determined how and to what extent each component influences the tensile strength of vulcanizates in a sulfur‐based vulcanization system. Finally, based on the results, we formulated a recipe to produce a vulcanizate with approximately 43% higher tensile strength compared to the reference.

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Section: Introductionmentioning

confidence: 99%

Improving the mechanical properties of vulcanizates containing ground tire rubber: Recipe optimization with the Taguchi method

Kiss,

Molnár,

Mészáros

2024

Polymers for Advanced Techs

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“…In addition, a newly engineered attribute of elastomer materials, self‐healing, has been granted as a unique and favorable function for soft electronics and mechanics. [ 12–14 ] Self‐healing of materials refers to the inbuilt capacity to undertake structural renewal after impairments. [ 15 ] It can significantly reinforce the environmental adaptability and robustness of materials.…”

Section: Introductionmentioning

confidence: 99%

Self‐Healable Spider Dragline Silk Materials

Chen

Wang

et al. 2023

Adv Funct Materials

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Developing materials with structural flexibility that permits self‐repair in response to external disturbances remains challenging. Spider silk, which combines an exceptional blend of strength and pliability in nature, serves as an ideal dynamic model for adaptive performance design. In this work, a novel self‐healing material is generated using spider silk. Dragline silk from spider Nephila pilipes is demonstrated with extraordinary in situ self‐repair property through a constructed thin film format, surpassing that of two other silks from spider Cyrtophora moluccensis and silkworm Bombyx mori. Subsequently, R2, a key spidroin associated with self‐healing, is biosynthesized, with validated cohesiveness. R2 is further programmed with tunable healability (permanent and reversible) and conductivity (graphene doping; R2G) for electronics applications. In the first demonstration, film strips from R2 and R2G are woven manually into multidimensional (1D‐3D) conductive fabrics for creating repairable logic gate circuits. In the second example, a reversibly‐healable R2/R2G strip is fabricated as a re‐configurable wearable ring probe to fit fingertips of varying widths while retaining its detecting capabilities. Such a prototype displays a unique conformable wearable technology. Last, the remarkable finding of self‐healing in spider silk can offer a new material paradigm for developing future adaptive biomaterials with tailored performance and environmental sustainability.

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“…14–16 However, there is a tradeoff between mechanical strength and healability for most healable polymers, which creates challenges for their utilization in TENGs. 17–23 For instance, autonomous-healable polymers with high molecular chain mobility can heal without an external trigger. But they usually present relatively low mechanical strength, which cannot withstand the high mechanical loading applied on TENGs.…”

Section: Introductionmentioning

confidence: 99%

Robust and durable triboelectric nanogenerators enabled by a mechanically strong and mildly healable polymer

Wang¹,

Liu²,

Wong³

et al. 2023

J. Mater. Chem. A

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A review of self-healable natural rubber based on reversible bonds: fundamental, design principle and performance

Cited by 10 publications

References 100 publications

Improving the mechanical properties of vulcanizates containing ground tire rubber: Recipe optimization with the Taguchi method

Improving the mechanical properties of vulcanizates containing ground tire rubber: Recipe optimization with the Taguchi method

Self‐Healable Spider Dragline Silk Materials

Robust and durable triboelectric nanogenerators enabled by a mechanically strong and mildly healable polymer

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