Enhancement of the Physical, Mechanical, and Thermal Properties of Epoxy-based Bamboo Nanofiber Nanocomposites

Rizal, Samsul; Mustapha, Asniza; Khalil, H. P. S. Abdul; Tye, Ying Ying; Fizree, H. M.; Abdullah, C. K.; Kumar, U. Seeta Uthaya; Paridah, M. T.

doi:10.15376/biores.13.4.7709-7725

Cited by 12 publications

(3 citation statements)

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“…Filler content in UV-composite resins impacts the photopolymerization process, which raises composite homogeneity and structural defects Figure c reveals that experimental densities vary from 1.1 to 1.3 g/cm 3 .…”

Section: Resultsmentioning

confidence: 99%

New Reinforcing Approach for Biobased UV-Curing Resins: Hybrid Lignocellulose Fillers with Improved Synergy and Wood Structure Mimics

Barkāne

Kampe

Gaidukovs

2023

ACS Sustainable Chem. Eng.

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Lignocellulosic fillers have been widely investigated for various polymer resin applications since they have great potential for using wood biomass and recycled plastics. However, besides cellulose nanocrystals (CNC) and nanofibrils (CNF), not much of the other lignocellulose has been used for UV-curing resins. Even more so, none has been used in hybrid lignocellulose combination compositions. In the present work, the effects of hybrid lignocellulose fillers such as lignin (LN)/CNC/CNF/hemicellulose (HC) with ratio-varying compositions on UV-curing biobased resins have been investigated for wood-mimic material coating applications. The hybrid filler effects on the macromolecular chain network, surface morphology, thermomechanical properties, and thermostability were carefully studied. A combination of scanning electron microscopy, DMA Cole–Cole plot, contact angle, etc., allowed getting a sense of hybrid filler distribution and interaction within the polymer matrix. It was identified that an increase in the HC content of up to 38% contributes to more even particle distribution and achieves a maximum double bond conversion rate of about 80%. HC also contributes to porous surface structure, while CNC smooths surface morphology, and, in turn, CNF increases defects. Thermomechanical testing revealed the unique benefit of hybrid reinforcement, showing higher results than single-filler compositions despite the general decrease after incorporation of 5 wt % LN. The storage modulus showed a fourfold increase for 5 wt % LN composition. The observed enormous property enhancement has been attributed to the benefits of hybrid fillers, which mitigate characteristic radical scavenging properties of LN and strongly reduce general filler aggregation, allowing more even filler dispersion while also improving filler–matrix interface synergy. Seventeen different compositions clearly, in comparison to single fillers, show the benefit of hybrid lignocellulosic reinforcement and testify to the ability to precisely tune up material performance and achieve wood structure-mimicking coating materials.

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Section: Resultsmentioning

confidence: 99%

New Reinforcing Approach for Biobased UV-Curing Resins: Hybrid Lignocellulose Fillers with Improved Synergy and Wood Structure Mimics

Barkāne

Kampe

Gaidukovs

2023

ACS Sustainable Chem. Eng.

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“…However, when the loading of SCNFs exceeds the optimum value, a slight decrease in tensile strength is observed, as illustrated in Fig. 3a This reduction occurred as the aggregation of the SCNFs network in epoxy increased, and the reinforcement effect decreased as a result of the formation of voids and clusters in the epoxy matrix's interfacial regions (Rizal et al, 2018).…”

Section: Tensile Propertiesmentioning

confidence: 98%

Effect of Agro Waste Saline Treated Cellulose Nanofiller on Mechanical, Visco Elastic and Thermal Behaviour of Epoxy Nanocomposites

Rajan¹,

Nagarajan²,

Balaji³

et al. 2021

Preprint

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A comparably novel strategy to develop sustainable nano composites is presented, in which cellulose nano fibers (CNFs) reinforcement derived from red banana empty fruit bunches is employed to solve issues related to landfill gas emissions and the simultaneous utilisation of organic wastes. The impact of saline treatment on the physicochemical, thermal, and morphological of CNFs is examined. Compression moulding was utilised to make five different loading levels of SCNFs reinforced epoxy nano composites. The resultant nano composites were evaluated by using mechanical and thermal analysis. The incorporation of SCNFs with a large surface area in epoxy allowed for mechanical interlocking and improved mechanical and thermal characteristics. The composite with the highest strengths and thermal stability was discovered to include 3% wt.% SNCFs. This research shows that combining epoxy with SCNFs has the potential to reduce agro waste while also developing sustainable nano composites with qualities that might be valuable for light-weight structural applications.

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“…Although starch-based films are transparent, odourless and oxygen-impermeable, the fact that they are brittle and hydrophilic in nature has restricted their use in many applications. 6 An effective way to overcome these drawbacks is by mixing the films with other natural polymers that have compatible interactions with starch. 7 To fulfil the surging demand for natural and renewable materials, bio-based material from the marine environment especially seaweed, has received plenty attention recently.…”

Section: Introductionmentioning

confidence: 99%

Techno-functional Properties of Edible Packaging Films at Different Polysaccharide Blends

Khalil¹,

Yap²,

Haafiz³

et al. 2019

JPS

Self Cite

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Consequent to the recent global interest in biodegradable packaging in food and allied industries, this study investigated effect of blend ratio of the hybrid polysaccharide of corn starch and red seaweed on the properties of the developed film. The properties investigated include physical properties (thickness and water vapour permeability), mechanical properties (tensile strength, elongation and modulus) and optical properties while the complementary properties such as scanning electron microscope (SEM) and Fourier transform infrared (FTIR) spectroscopy were used to analyse possible chemical interactions within the films. Films manufactured with 100% corn starch (CS) exhibited the lowest quality while the films developed from seaweed (SE) blend exhibited higher quality. Based on complementary analysis result, there was an excellent blend of the filler and the polysaccharide matrix. The overall film properties improved with the increase of the blend ratio. The results of the Young's modulus (YM) complemented the results obtained for the tensile strength (TS) and the percentage elongation (E). The solubility value of the composite films justifies them as good candidate for the food packaging applications.

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Enhancement of the Physical, Mechanical, and Thermal Properties of Epoxy-based Bamboo Nanofiber Nanocomposites

Cited by 12 publications

References 0 publications

New Reinforcing Approach for Biobased UV-Curing Resins: Hybrid Lignocellulose Fillers with Improved Synergy and Wood Structure Mimics

New Reinforcing Approach for Biobased UV-Curing Resins: Hybrid Lignocellulose Fillers with Improved Synergy and Wood Structure Mimics

Effect of Agro Waste Saline Treated Cellulose Nanofiller on Mechanical, Visco Elastic and Thermal Behaviour of Epoxy Nanocomposites

Techno-functional Properties of Edible Packaging Films at Different Polysaccharide Blends

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