Extraction of fibers from saccharum munja grass and its application in composites

Singh, Girendra Pal; Madiwale, Pallavi; Jagtap, R. N.; Adivarekar, Ravindra V.

doi:10.1002/app.40829

Cited by 12 publications

(5 citation statements)

References 12 publications

(10 reference statements)

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“…Among chemical approaches, the most widely adopted is the alkali treatment also called mercerization. Several papers are available in the literature concerning the effects of this treatment on the composites properties as a function of solution concentration, temperature and immersion time [13,14,15,16].…”

Section: Introductionmentioning

confidence: 99%

Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites

Fiore

Calabrese

2019

Materials

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The present paper deals with the investigation of quasi-static and dynamic mechanical response of epoxy-based composites reinforced with flax and/or jute plain weave fabrics. In order to evaluate the influence of the stacking sequence, two monolithic laminates reinforced with flax or jute fibers and two hybrid flax/jute laminates were manufactured through the vacuum infusion technique. Furthermore, an eco-friendly and cost-effective surface treatment based on fiber soaking in a sodium bicarbonate solution was employed to improve the fiber-matrix adhesion. The mechanical characterization (by means of quasi-static flexural, dynamic mechanical thermal analysis and Charpy impact tests) allowed to evidence that the sodium bicarbonate treatment leads to noticeable improvement of the mechanical performances of flax reinforced composites, whereas jute composites experience a slight decrease of their mechanical properties. Overall, the hybridization allows to achieve intermediate mechanical properties among those of monolithic composites. Furthermore, the coupled action of hybridization and surface treatment does not lead to a beneficial and reliable effect on the mechanical response of the resulting composites.

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Section: Introductionmentioning

confidence: 99%

Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites

Fiore

Calabrese

2019

Materials

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“…At the best of our knowledge, several studies were focused on the effect of mercerization treatment on the mechanical properties of natural fiber-reinforced composites by varying both the concentration of the NaOH solution and the immersion time. 20–25 In particular, abaca fibers were immersed in 5, 10, and 15 wt% NaOH solutions for 2 h, and the effect of the alkali treatments on the interfacial adhesion with an epoxy matrix was evaluated by Cai et al. 20 They showed that stronger alkali treatments negatively influenced the fiber–matrix compatibility so that mild alkali treatments (i.e.…”

Section: Introductionmentioning

confidence: 99%

Effect of sodium bicarbonate treatment on mechanical properties of flax-reinforced epoxy composite materials

Fiore

Scalici

Valenza

2017

Journal of Composite Materials

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This paper deals with the evaluation of the effect of an eco-friendly and cost-effective surface treatment based on the use of sodium bicarbonate on the mechanical properties of flax-reinforced epoxy composites. To this aim, unidirectional fabrics were soaked for five days in 5 and 10% in weight of sodium bicarbonate solution at 25℃. Quasi-static and dynamic mechanical tests were performed and the fracture surfaces of the composites were analyzed through scanning electron microscopy. Results evidenced that this treatment improves the fiber–matrix adhesion thus increasing the performances of the composites. Treating the fabrics with 10% w/w of bicarbonate solution leads to improvements of ∼20 and ∼45% in tensile strength and modulus of the composites, respectively, compared to untreated ones. Furthermore, by increasing the concentration, negligible changes in the glass transition temperature and reductions in the tanδ peak heights were found. The observation of the fracture surfaces confirmed the beneficial effect of the proposed treatment.

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“…It has the potential to be used as an adsorbent. Adsorbents derived using cellulose are affordable and renewable, [31] and have been the subject of many recent studies on modification to boost adsorption capacity.…”

Section: Introductionmentioning

confidence: 99%

A Cellulose‐Based Adsorbent using Box‐Behnken Design for the Adsorption of Reactive Blue 19 Dye from Simulated Wastewater

Yadav,

Rajput,

Yadav

et al. 2024

ChemistrySelect

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This study attempts a successful synthesis of a cellulose‐based adsorbent using orthophosphoric acid as a chemical activating agent followed by pyrolysis. A detailed characterization of synthesized adsorbent in terms of its morphology, material crystallinity, and surface area was studied. Batch studies were performed to remove reactive blue 19 dye from its simulated wastewater. The impact of various adsorption parameters such as adsorbent dosage (A: 0.1 to 0.5 g), initial dye concentration (B: 100 to 500 mg/L), contact time (C: 10 to 180 min), pH (D: 2 to 10), temperature (E: 35 to 60 °C) were examined and optimized using on Box‐Behnken method with Response Surface Methodology. The experimentally obtained adsorption data were fitted to different isotherms and kinetic models. The findings prove that more than 96 % of 400 mg/L of RB19 dye removal is possible with 4 g/L dosage in 18.5 min at 50 °C with its original pH of 6.8. Also, three cycles of regenerability and reusability of CBA gives 51.88 % of RB19 dye removal. Moreover, the possibility of using spent adsorbent in the boiler as a fuel was explored. Consequently, this research will contribute to SDG6 by maintaining circularity and sustainability in the entire process.

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Extraction of fibers from saccharum munja grass and its application in composites

Cited by 12 publications

References 12 publications

Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites

Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites

Effect of sodium bicarbonate treatment on mechanical properties of flax-reinforced epoxy composite materials

A Cellulose‐Based Adsorbent using Box‐Behnken Design for the Adsorption of Reactive Blue 19 Dye from Simulated Wastewater

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