Influence of Gamma Radiation Treatment on the Mechanical Properties of Sisal Fibers to Use into Composite Materials

Castro, Bruno Dorneles de; Silva, Kláudia Maria Machado Neves; Maziero, Rômulo; Faria, Paulo Eustáquio de; Silva-Caldeira, Priscila Pereira; Rubio, Juan Carlos Campos

doi:10.1007/s12221-020-1106-z

Cited by 13 publications

(4 citation statements)

References 28 publications

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“…This type of information will help to identify the presence of foreign particles in the fiber. Previous researchers studied chemically treated wood, sisal, kenaf, and hemp fibers using FTIR [28,29]. However, the information of cellulose (particularly holo-cellulose) and other content (cellulose, lignin) [28] distribution, and the influence of chemical treatment on crystallinity [30,31] has not yet been explained for the untreated and treated jute fibers.…”

Section: Introductionmentioning

confidence: 99%

Effect of Rot-, Fire-, and Water-Retardant Treatments on Jute Fiber and Their Associated Thermoplastic Composites: A Study by FTIR

et al. 2021

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Natural renewable materials can play a big role in reducing the consumption of synthetic materials for environmental sustainability. Natural fiber-reinforced composites have attracted significant research and commercial importance due to their versatile characteristics and multi-dimensional applications. As the natural materials are easily rotten, flammable, and moisture absorbent, they require additional chemical modification for use in sustainable product development. In the present research, jute fibers were treated with rot-, fire-, and water-retardant chemicals and their corresponding polymer composites were fabricated using a compression molding technique. To identify the effects of the chemical treatments on the jute fiber and their polymeric composites, a Fourier transformed infrared radiation (FTIR) study was conducted and the results were analyzed. The presence of various chemicals in the post-treated fibers and the associated composites were identified through the FTIR analysis. The varying weight percentage of the chemicals used for treating the fibers affected the physio-mechanical properties of the fiber as well as their composites. From the FTIR analysis, it was concluded that crystallinity increased with the chemical concentration of the treatment which could be contributed to the improvement in their mechanical performance. This study provides valuable information for both academia and industry on the effect of various chemical treatments of the jute fiber for improved product development.

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Section: Introductionmentioning

confidence: 99%

Effect of Rot-, Fire-, and Water-Retardant Treatments on Jute Fiber and Their Associated Thermoplastic Composites: A Study by FTIR

et al. 2021

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“…Fibers mercerized with 0.1 M KOH solution on other fibers demonstrated an enhancement in the mechanical properties [23]. Sisal fibers from the literature showed an improved hydrophobic behavior while treated with same molarity of alkali solution [24]. Alkali-treated fibers are proceeded with vacuum desiccating for 2 days [25].…”

Section: Materials Extractionmentioning

confidence: 99%

Investigating the Mechanical, Thermal, and Crystalline Properties of Raw and Potassium Hydroxide Treated Butea Parviflora Fibers for Green Polymer Composites

Mohan,

Priya,

Arunachalam

et al. 2023

Polymers

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The only biotic factor that can satisfy the needs of human species are plants. In order to minimize plastic usage and spread an immediate require of environmental awareness, the globe urges for the development of green composite materials. Natural fibers show good renewability and sustainability and are hence utilized as reinforcements in polymer matrix composites. The present work concerns on the usage of Butea parviflora fiber (BP), a green material, for high end applications. The study throws light upon the characterization of raw and potassium hydroxide (KOH)–treated Butea Parviflora plant, where its physical, structural, morphological, mechanical, and thermal properties are analyzed using the powder XRD, FTIR spectroscopy, FESEM micrographs, tensile testing, Tg-DTA, Thermal conductivity, Chemical composition, and CHNS analysis. The density values of untreated and KOH-treated fibers are 1.238 g/cc and 1.340 g/cc, respectively. The crystallinity index of the treated fiber has significantly increased from 83.63% to 86.03%. The cellulose content of the treated fiber also experienced a substantial increase from 58.50% to 60.72%. Treated fibers exhibited a reduction in both hemicelluloses and wax content. Spectroscopic studies registered varying vibrations of functional groups residing on the fibers. SEM images distinguished specific changes on the raw and treated fiber surfaces. The Availability of elements Carbon, Nitrogen, and Hydrogen were analyzed using the CHNS studies. The tensile strength and modulus of treated fibers has risen to 192.97 MPa and 3.46 Gpa, respectively. Thermal conductivity (K) using Lee’s disc showed a decrement in the K values of alkalized BP. The activation energy Ea lies between 55.95 and 73.15 kJ/mol. The fibers can withstand a good temperature of up to 240 °C, presenting that it can be tuned in for making sustainable composites.

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“…Therefore, to improve the mechanical properties, and widen the application of 3D printing in composite materials, it is essential to improve the interfacial performance of 3D-printed composites. 19 Currently, to improve the interfacial performance of composites, the common modification methods includes the introduction of active groups onto the surface of the fiber, like oxidation, [20][21][22] plasma, [23][24][25] and radiation 26,27 ; another method is to introduce interfacial phase, like coupling agents, 28,29 nano-coating, [30][31][32][33] and polymer-coating. [34][35][36] Tian et al 37 oxidized carbon fiber with concentrated nitric acid and prepared a carbon fiber-reinforced polypropylene composite.…”

Section: Introductionmentioning

confidence: 99%

“…Currently, to improve the interfacial performance of composites, the common modification methods includes the introduction of active groups onto the surface of the fiber, like oxidation, 20–22 plasma, 23–25 and radiation 26,27 ; another method is to introduce interfacial phase, like coupling agents, 28,29 nano‐coating, 30–33 and polymer‐coating 34–36 . Tian et al 37 oxidized carbon fiber with concentrated nitric acid and prepared a carbon fiber‐reinforced polypropylene composite.…”

Section: Introductionmentioning

confidence: 99%

Interfacial performance of phenolic‐sized continuous carbon fiber‐reinforced phenolic resin composites with different impregnation nozzle diameters via 3D printing

Dong,

Bao,

Liu

et al. 2023

Polymer Composites

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The interfacial bonding strength of the 3D‐printed composites was poor due to the inadequate impregnation. To improve the interfacial performance and mechanical properties of the 3D‐printed composites, carbon fiber (Original‐CF) was modified by oxidation combined with sizing, to obtain Sized‐CF, and continuous carbon fiber‐reinforced phenolic resin (Original‐CF/PF and Sized‐CF/PF) composites were fabricated via in situ‐curing 3D printing. The impregnation nozzle diameter influences the resin content and the impregnation effect of the resin into the fiber bundles. Mechanical properties with different impregnation nozzle diameters of Sized‐CF/PF composites all increased compared to that of Original‐CF/PF composites. The flexural strength of Sized‐CF/PF composites increased by 15.3% and interlaminar shear strength increased by 28.6%, compared to that of Original‐CF/PF composites, when the impregnation nozzle diameter was 0.40 mm. The fiber‐resin interface and the effect of interfacial performance on fracture mode of the composites were investigated systematically. The interfacial performance was improved, owing to the decrease of void defect volume and the increase of impregnation uniformity between the fiber and resin interface; the fracture mode was transferred from longer fiber pulling‐out for Original‐CF/PF composites to shorter fiber pulling‐out for Sized‐CF/PF composites, owing to the improvement of interfacial performance.Highlights Carbon fiber was modified to improve interfacial and mechanical properties. Nozzle diameter of 0.4 mm obtains adequate resin content and extrusion force. Defect volume reduced and impregnation uniformity improved after modification. Flexural strength of the composite increased by 15.3% after CF modification.

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Influence of Gamma Radiation Treatment on the Mechanical Properties of Sisal Fibers to Use into Composite Materials

Cited by 13 publications

References 28 publications

Effect of Rot-, Fire-, and Water-Retardant Treatments on Jute Fiber and Their Associated Thermoplastic Composites: A Study by FTIR

Effect of Rot-, Fire-, and Water-Retardant Treatments on Jute Fiber and Their Associated Thermoplastic Composites: A Study by FTIR

Investigating the Mechanical, Thermal, and Crystalline Properties of Raw and Potassium Hydroxide Treated Butea Parviflora Fibers for Green Polymer Composites

Interfacial performance of phenolic‐sized continuous carbon fiber‐reinforced phenolic resin composites with different impregnation nozzle diameters via 3D printing

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