Composite materials with bast fibres: Structural, technical, and environmental properties

George, Michael; Chae, Michael; Bressler, David C.

doi:10.1016/j.pmatsci.2016.04.002

Cited by 120 publications

(73 citation statements)

References 84 publications

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“…In most polymer composites, a poor interfacial interaction between the polymer and the filler appears to be the most limiting factor to obtain high‐performance materials. In this context, various research groups have attempted to improve the interfacial adhesion between the PPC matrix and fillers via pretreatment of fillers or incorporating compatibilizers . When composites are prepared with fillers beyond the critical level of loading, a detrimental effect on the performances of the composites will be observed because of filler agglomerations.…”

Section: Ppc Compositesmentioning

confidence: 99%

Carbon Dioxide–Derived Poly(propylene carbonate) as a Matrix for Composites and Nanocomposites: Performances and Applications

Muthuraj

Mekonnen

2018

Macro Materials & Eng

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The conversion of CO2 into polymers such as poly(propylene carbonate) (PPC) can contribute to the reduction of dependence on fossil fuel resourced polymers. PPC is a polymer synthesized from the catalyzed copolymerization between CO2 and propylene oxide. The global demand for renewable and biodegradable polymers coupled with the recent success in catalysis for the copolymerization of CO2 with epoxides has paved the way for an increased interest and growth in PPC polymers. On the contrary, the extensive utilization of PPC in many applications is still challenging due to its poor thermal stability, mechanical strength, and dimensional stability. Thus, many research efforts currently focus on improving these limitations. On the other hand, polymer processing and application development efforts have continued to utilize the existing PPC. This article presents a comprehensive review of PPC polymer as a matrix component of polymer composites and nanocomposites. Progress in current research on PPC‐based material applications, including industrial packaging, electromagnetic shielding, energy storage, and biomedical applications are included. A critical review of the biodegradability, compostability, and overall sustainability of PPC is also conducted. Finally, challenges that limit the extensive use of such materials, and future research and development directions are highlighted.

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Section: Ppc Compositesmentioning

confidence: 99%

Carbon Dioxide–Derived Poly(propylene carbonate) as a Matrix for Composites and Nanocomposites: Performances and Applications

Muthuraj

Mekonnen

2018

Macro Materials & Eng

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“…The incorporation of natural lignocellulosic fibers, which are mainly made up of hydrophilic cellulose, into starch-based matrix is responsible for the reduction of moisture absorption of the resultant composite. This reduction in the moisture absorption of the two hydrophilic materials is attributed to the good interfacial adhesion between starch and cellulose which leads to decreasing the free volume of the starch molecular chains and thus reduce the water absorption; the less hygroscopicity of cellulose when compared with starch; formation of fibrous network around starch thus hinder the moisture penetration; and the high crystallinity of cellulose when compared with starch [26][27][28][29]. Composites from Renewable and Sustainable Materials…”

Section: Moisture Absorption Behaviormentioning

confidence: 99%

High-Content Lignocellulosic Fibers Reinforcing Starch-Based Biodegradable Composites: Properties and Applications

Mehanny¹,

Darwish²,

Ibrahim³

et al. 2016

Composites From Renewable and Sustainable Materials

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Natural source-based composites became promising substitutes and synthetic petrochemical-based counterparts. So far, thermoplastic starch and lignocellulosic fibers are the most common materials for making such eco-friendly "green" materials. Low cost, abundance, and renewability are the factors that lead to deploying these two types of materials. In this chapter, we are conducting further analysis for previously published results of six types of high-content natural fiber-reinforced starch-based composites. All composites were prepared by compression molding under pressure from 5 to 20 MPa and temperature from 130 to 160°C. Composites exhibited highest tensile strength and modulus of elasticity at fiber weight content from 50 to 70%, and then mechanical properties deteriorated significantly at 80% fiber content due to the insufficient starch resin. For instance, the tensile strength was boosted up from 2-12 MPa for thermoplastic starch to reach 55,45,32,28,44, 365 MPa for flax, bagasse, date palm fiber (DPF), banana, bamboo, and hemp composites, when fiber content was increased from 0% to the optimum fiber content (50-70%). Kelly-Tyson (random 2d) was the optimum model to predict random fiber composite. Increasing the fiber content and choosing a fiber with high cellulose content significantly improve the moisture resistance of the composites. Fick's law of diffusion predicted the water uptake property successfully. The thermal stability of composites was improved with increasing the fiber weight content as well. This is attributed to the high thermal stability of cellulose when compared to starch. Properties exhibited by starch-based high-content natural fiber composite are promising for many industrial and biomedical applications.

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“…Natural fiber‐reinforced composites have been used for many applications, such as automotive components, aerospace parts, sporting goods, and construction industry. Natural fibers have many advantages over synthetic fibers, for instance, environmental friendliness, cost‐effectiveness, light weight, biodegradability, and acceptable mechanical properties . However, these fibers are highly hydrophilic in nature.…”

Section: Introductionmentioning

confidence: 99%

“…Jute appears to be inexpensive and easily available compared to the other natural fibers. The low cost and nonabrasiveness of jute fiber allow high filling levels resulting in cost‐saving in composite manufacture .…”

Section: Introductionmentioning

confidence: 99%

Effect of surface modification of jute fiber on the mechanical properties and durability of jute fiber‐reinforced epoxy composites

et al. 2018

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In this article, the effect of various surface modifications on the properties and durability of jute fiber‐reinforced epoxy composites (JFRECs) was studied. Jute fiber was surface modified to improve its compatibility with the hydrophobic epoxy matrix. The surface modifications investigated include alkali treatment, silane treatment, and the combined effect of alkali and silane treatments. JFRECs were prepared by vacuum‐assisted resin infusion (VARI) process. The surface topography of the untreated and modified fibers was examined by means of scanning electron microscopy (SEM). The mechanical properties, such as flexural properties and interfacial shear strength (IFSS), and thermomechanical properties, such as dynamic mechanical analysis (DMA) of the composites of untreated and modified fibers were determined. The durability studies such as water uptake as well as the effect of moisture on the mechanical and thermomechanical properties of the untreated and combined chemically treated fiber composites were examined. It was found that the combined modification provided better mechanical and thermal properties of composites in comparison with untreated composite due to strong fiber–matrix interfacial adhesion. The rate of water absorption for chemically treated fiber composite was found to be lesser than the untreated fiber composite. There was a significant drop in the mechanical and thermomechanical properties of the composites after exposure to moisture. This could be due to the fiber degradation and de‐bonding at the interface during the immersion of the composite samples in water. POLYM. COMPOS., 39:E2519–E2528, 2018. © 2018 Society of Plastics Engineers

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Composite materials with bast fibres: Structural, technical, and environmental properties

Cited by 120 publications

References 84 publications

Carbon Dioxide–Derived Poly(propylene carbonate) as a Matrix for Composites and Nanocomposites: Performances and Applications

Carbon Dioxide–Derived Poly(propylene carbonate) as a Matrix for Composites and Nanocomposites: Performances and Applications

High-Content Lignocellulosic Fibers Reinforcing Starch-Based Biodegradable Composites: Properties and Applications

Effect of surface modification of jute fiber on the mechanical properties and durability of jute fiber‐reinforced epoxy composites

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