MAgPP an Effective Coupling Agent in Rice Husk Flour Filled Polypropylene Composites

Czél, György; Kanyok, Zoltán

doi:10.4028/www.scientific.net/msf.537-538.137

Cited by 6 publications

(4 citation statements)

References 7 publications

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“…However, a negative correlation between fiber content and NI strength has also been reported in other many NFTC studies (Li et al, 2001(Li et al, , 2012Marcovich and Villar, 2003;Yang et al, 2006;Czél and Kanyok, 2007;Ashori et al, 2008;He et al, 2008;Nourbakhsh and Ashori, 2008;Yao et al, 2008;Liu et al, 2009;Guo et al, 2010). The reasons proposed for this included: 1) a change in the nature of the fracture from ductile to brittle reduction of the deformability of the polymer (Mohanty and Nayak, 2010).…”

Section: Discussion Of Fiber Content Effectsmentioning

confidence: 65%

“…The initial addition of filler led to a significant drop in the impact properties, particularly in the case of NI and UI strength of wood flour composites and UI strength of rice husk flour composites. Czél and Kanyok (2007) studied the effect of fiber content (0-50 wt%) on injection molded rice husk flour reinforced PP with MAPP as coupling agent. Results showed that the Izod NI strength decreased with increasing reinforcement content.…”

Section: Fiber Content Effectsmentioning

confidence: 99%

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A Review of the Impact Performance of Natural Fiber Thermoplastic Composites

Thomason

Fernández

2018

Front. Mater.

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Many academic studies continue to conclude that natural fiber reinforced thermoplastic composites (NFTCs) have some potential to compete with mineral/inorganic fiber and filler reinforced composites in certain applications due to their distinctive characteristics. NFTCs are often presented as a more environmentally friendly product which may, in some cases, offer useful levels of specific strength and stiffness with an overall reduced carbon footprint. However, from an end-use composite performance viewpoint, issues with impact resistance (notched and un-notched) continue to hold back the large-scale implementation of these composites. This paper presents a review of the recent work on impact properties of NFTCs, analysing the effects of fundamental composite parameters and potential routes to improvement.

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Section: Discussion Of Fiber Content Effectsmentioning

confidence: 65%

Section: Fiber Content Effectsmentioning

confidence: 99%

A Review of the Impact Performance of Natural Fiber Thermoplastic Composites

Thomason

Fernández

2018

Front. Mater.

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“…In the case of the 6 wt% MAPP composite, the regression curve seem to stabilize, but in the case of the 8 wt%, MAPP content the curve shows a tendency to descent. A strong interface can reduce the deformability of the material and increase its fragility, this phenomenon increases with increasing percentages of reinforcement [ 36 ]. Some authors announce that high percentages of coupling agents can promote self-entanglement between the compatibilizer and cause a descent of the impact strength [ 37 ].…”

Section: Resultsmentioning

confidence: 99%

Response of Polypropylene Composites Reinforced with Natural Fibers: Impact Strength and Water-Uptake Behaviors

et al. 2023

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Composites from polypropylene (PP) reinforced with hemp strands (HS) are prepared in the current work with the aim of deepening on the influence of this reinforcement on the impact performance of these specific composites. Despite all the research conducted in this field, the effect of this natural reinforcement on the absorbed energy during crack formation and propagation is not fully tackled in previous research works. From the methodology and samples’ geometry, the results concluded that the quality of the interface has a noticeable role in the impact resistance of these materials. The interface strength, fiber dispersion and fiber pullout are the main contributors to crack formation, whereas fiber pullout is the main one responsible for crack propagation. Maximum values of absorbed energy were found for PP composites comprising 20–30 wt% of HS and 8 wt% of the coupling agent for the un-notched samples, whereas maximum absorbed energy values corresponded to PP composites with 40 wt% of HS and 4 wt% of coupling agent for the notched samples. The water-absorption behavior in different humid environments is also examined. From the kinetic study, the water diffusion followed a Fickean behavior showing low-diffusion coefficients, increasing with fiber content. This systematic investigation represents a contribution to the analysis of the potential of reinforcing conventional polymers with natural materials, as a strategy towards more sustainable development.

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“…Maleic anhydride polyethylene (MAPE) on RH/PE composites significantly improves the mechanical and physical properties, with the best properties at 6 wt% (Yang et al 2005, Chen et al 2015, Ab Ghani et al 2014, Ghofrani 2011, Tong et al 2014. Using maleic anhydride polypropylene as a binding agent improves tensile mechanical and physical properties of the composite, with the best properties at 5 wt% (Yang et al 2005, Kim et al 2007, Aminullah et al 2010, Rosa et al 2009b, Czél and Kanyok 2007. Scanning electron microscopy (SEM) micrographs indicate that using a binding agent improves interfacial adhesion in the composite (Yang et al 2005, Aminullah et al 2010, Rosa et al 2009b, Ab Ghani et al 2014, Ghofrani 2011.…”

Section: Introductionmentioning

confidence: 99%

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2022

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MAgPP an Effective Coupling Agent in Rice Husk Flour Filled Polypropylene Composites

Cited by 6 publications

References 7 publications

A Review of the Impact Performance of Natural Fiber Thermoplastic Composites

A Review of the Impact Performance of Natural Fiber Thermoplastic Composites

Response of Polypropylene Composites Reinforced with Natural Fibers: Impact Strength and Water-Uptake Behaviors

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