Importance of Nanomaterials in Engineering Application

Jun, Lau Yien; Khan, Fahad; Mubarak, Nabisab Mujawar; Yon, Lau Sie; Bing, Chua Han; Khalid, Mohammad; Abdullah, Ezzat Chan

doi:10.1007/978-3-030-62761-4_1

Cited by 9 publications

(3 citation statements)

References 90 publications

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“…Another important parameter in asphaltic binder is fatigue resistance which simulates repeated loading cycles of vehicle on pavement road. The role of nanoclay in fatigue resistance of asphaltic binder has been researched extensively [154][155][156][157]. Saboo et al [152] performed the effect of nanoclay on physical and rheological properties of waste cooking oil-modified asphalt binder.…”

Section: Nanoclays In Modification Of Asphaltic Bindermentioning

confidence: 99%

Nanoclays as fillers for performance enhancement in building and construction industries: State of the art and future trends

Bantie,

Tezera,

Abera

et al. 2024

Developments in Clay Science and Construction Techniques

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In construction engineering, there is currently a strong emphasis on finding construction materials, mainly the binder which plays a crucial role, that meet multiple criteria, including sustainability, cost-effectiveness, durability, and reduced environmental impact. However, there is a growing interest in exploring alternatives to traditional binders to address the limitations associated with their production and use. One such alternative is the use of naturally occurring materials like clay. Clay deposits are abundant and widely available, making them a sustainable resource for construction applications. Moreover, clay contains significant amounts of silica and alumina, which are key components for inducing pozzolanic reactions that contribute to the strength and durability of concrete. In recent studies, nanoclays (NCs) have emerged as a promising addition to construction materials as supplementary cementitious materials. These nanoparticles possess unique properties that can enhance the performance of concrete. Nanoclays significantly improve the compressive strength, sustainability, and durability of concrete structures. The high surface area and reactivity of nanoclays facilitate better bonding between cement particles, resulting in enhanced mechanical properties. This chapter aims to discuss the state of the art on performance enhancements of building materials that employ different types of nanoclays in place of conventional binders and the future trends.

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Section: Nanoclays In Modification Of Asphaltic Bindermentioning

confidence: 99%

Nanoclays as fillers for performance enhancement in building and construction industries: State of the art and future trends

Bantie,

Tezera,

Abera

et al. 2024

Developments in Clay Science and Construction Techniques

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“…Results of the study indicated that optimized conditions for the acid functionalization of MWCNTs is by using a concentrated acid mixture of HNO 3 / H 2 SO 4 (1:3 v/v ratio), via ultrasonication technique. It is also found that sonication method was more efficient for the acid functionalization of CNT than reflux method because of the simplicity for the experimental set up, high yield and desirable properties of CNT (Jun and Mubarak, 2018). Carboxylic acid functional group on CNT surface can be modified by various chemical reactions such as Amidation-Formation of Carbon Nanotube-Acyl Amides (Seo et al, 2017), Ester formation (Hamon et al, 2002), Thiolation (Lim et al, 2003) etc.…”

Section: Covalent Functionalizationmentioning

confidence: 99%

Carbon nanotube filled rubber nanocomposites

K. C,

Abraham,

Thomas

et al. 2024

Front. Carbon

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Rubber (elastomer) based polymer nanocomposites have attracted wide range of attention from industries and other fields due to its exceptionally good mechanical, thermal and electrical properties. One of the promising candidates of this category is CNT filled rubber nanocomposites. This review throws light on the historical trajectory of development of CNT filled rubber nanocomposites. Various fabrication methods, detailed explanation of reinforcement mechanism in CNT/rubber nanocomposites and the relationship between the structure and properties are reviewed. The next part of the review discusses about the morphological and interface characteristics. An attempt to investigate the versatile mechanical, thermal, and electrical properties also included in the review. The final part of the review includes the applications of CNT filled rubber nanocomposites. Major applications in fields like electronics, sustainable biomedical and EMI shielding are discussed in detail. The review also focuses on the key challenges that arises while incorporating CNTs into rubber matrices.

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“…Precious metal nanoparticles are particularly popular due to their unique optical properties (e.g., silver [ 3 ], gold nanoparticles), catalytic properties (platinum [ 4 ], palladium [ 5 ]), and their susceptibility to surface modification by adding a reagent, which is required, for example, for medical purposes [ 6 ]. This makes nanoparticles useful in almost every field from engineering [ 7 ], energy [ 8 ], catalysis [ 9 , 10 ] to pharmacy and medicine [ 6 , 11 ]. However, each of these areas generates dangerous nano-waste [ 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Batch Reactor vs. Microreactor System for Efficient AuNP Deposition on Activated Carbon Fibers

et al. 2021

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The process of noble metals ions recovery and the removal small fraction of nanoparticles from waste solution is an urgent topic not only from the economic but also ecology point of view. In this paper, the use of activated carbon fibers (ACF) as a “trap” for gold nanoparticles obtained by a chemical reduction method is described. The synthesized nanoparticles were stabilized either electrostatically or electrosterically and then deposited on carbon fibers or activated carbon fibers. Moreover, the deposition of metal on fibers was carried out in a batch reactor and a microreactor system. It is shown, that process carried out in the microreactor system is more efficient (95%) as compared to the batch reactor and allows for effective gold nanoparticles removal from the solution. Moreover, for similar conditions, the adsorption time of the AuNPs on ACF is shortened from 11 days for the process carried out in the batch reactor to 2.5 min in the microreactor system.

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Importance of Nanomaterials in Engineering Application

Cited by 9 publications

References 90 publications

Nanoclays as fillers for performance enhancement in building and construction industries: State of the art and future trends

Nanoclays as fillers for performance enhancement in building and construction industries: State of the art and future trends

Carbon nanotube filled rubber nanocomposites

Batch Reactor vs. Microreactor System for Efficient AuNP Deposition on Activated Carbon Fibers

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