The effect of surface modification of (micro/nano)-calcium carbonate particles at various ratios on mechanical properties of poly(vinyl chloride) composites

Jazi, Seyyd Hamid Sajjadi; Bagheri, Rouhollah; Esfahany, Mohsen Nasr

doi:10.1177/0892705713486128

Cited by 8 publications

(2 citation statements)

References 32 publications

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“…The shoulder peaks at 950 and 1200 cm �1 wave numbers in IR spectrum of HH (S) arises from the Si-O-Si stretching vibrations of siloxane groups. [42][43][44] These peaks can be seen only for HH (S) sample which are attributed to Si-O vibrations. This finding implies that the formation of aminosilane-oxide layer on the interface of HH after silane treatment.…”

Section: Resultsmentioning

confidence: 99%

Improvement of mechanical and physical performance of poly (lactic acid) biocomposites by application of surface silanization for huntite–hydromagnesite mineral

Dike

2020

Journal of Thermoplastic Composite Materials

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Silanization process was applied to huntite–hydromagnesite (HH) mineral in for improve its adhesion to poly (lactic acid) (PLA) matrix. Surfaces of HH samples were examined by infrared spectroscopy and energy-dispersive X-ray spectroscopy analysis. HH was compounded with PLA using melt-blending technique. Modified HH incorporations led to nearly 19% and 20% increase in tensile strength and modulus of PLA, respectively. The maximum improvement for tensile strength value is obtained for 15 wt% of modified HH containing composite sample. On the other hand, percentage strain of PLA decreases nearly 22% with the addition of HH. Silane-modified HH-containing composites yield higher impact energy compared to untreated HH. Impact performance of composites increases nearly 18% with the increase in loading ratio of HH. Silane-modified HH displays higher storage modulus than HH, and glass transition temperature of PLA shifts to higher levels with the inclusion of HH. HH-filled composites exhibit no significant difference with melt flow rate value of PLA. Water resistance of silane-treated HH-containing composites are found to be higher than untreated HH attribitued to hydrophobicity of silicon-rich surface. Accordingly, composites that include modified HH are suitable for outdoor applications. Morphological investigations confirm that dispersion homogeneity and strong adhesion are achieved due to the improvement of surface interactions between HH and PLA phases after silane treatment process.

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Section: Resultsmentioning

confidence: 99%

Improvement of mechanical and physical performance of poly (lactic acid) biocomposites by application of surface silanization for huntite–hydromagnesite mineral

Dike

2020

Journal of Thermoplastic Composite Materials

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“…The steps as explained below has been widely used by researchers to prepare a useful composite material for feestsock filament development for FFF applications. [92][93][94][95][96][97][98][99][100]…”

Section: Nano-compositesmentioning

confidence: 99%

Fused filament fabrication: A comprehensive review

Kumar

Singh

et al. 2020

Journal of Thermoplastic Composite Materials

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Fused filament fabrication (FFF) is one of the low cost additive manufacturing (AM) techniques capable of printing complex design (both with commercial and non-commercial feedstock filaments by using different processing parameters). In this paper a comprehensive review has been prepared on FFF operating capabilities from thermoplastics material’s view point. Various thermoplastic materials and composites available commercially and prepared at laboratory scale have been categorized based upon the reported studies performed (for thermal stability, mechanical properties etc.). It was observed that the nano composite based feed stock filament (prepared at lab scale) have edge over the micro-composites from thermo-mechanical properties view point. Further it has been noticed that the 3D printing is in changing phase and moving towards 4D printing of smart composites and designs. But hitherto little has been reported on printing of smart material with FFF platform. Further studies may be focused on printing of smart materials (both micro and nano composites) with FFF, as the low cost 3D printing solution in different engineering applications.

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Sustainable approach toward novel poly(vinyl chloride) composite using calcite‐rich waste particulates

Chaturvedi

Tyagi

Gupta

et al. 2022

Vinyl Additive Technology

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In this study, flexible poly(vinyl chloride) (PVC) composites with two different types of fillers, precipitated calcium carbonate (PCC) and marble waste (MW) particulates, were prepared via melt processing. The MW collected from a dumping site, had a particle size of approximately 60 μm and high calcite content. The content of fillers and plasticizer was varied to study the effect on the properties of the composites. It was found that at higher plasticizer content (30 phr), MW afforded up to 9% higher tensile strength compared to PCC, indicating a better interfacial adhesion of MW particulates with the matrix. However, at lower plasticizer content (15 phr), composites with PCC exhibited slightly higher tensile strength. Additionally, at high plasticizer content, the addition of MW up to 10 phr afforded better tensile strength than pure PVC.When the composites were fully submerged in the water for 48 h at elevated temperature (60 C), composite with MW had a slightly higher water absorption (0.4-1.4%) compared to PCC-filled composites. Also, composite with higher plasticizer showed elevated water uptake at any particular filler content. The study categorically proves the potential of MW in flexible PVC formulations as a cost-effective sustainable filler.

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The effect of surface modification of (micro/nano)-calcium carbonate particles at various ratios on mechanical properties of poly(vinyl chloride) composites

Cited by 8 publications

References 32 publications

Improvement of mechanical and physical performance of poly (lactic acid) biocomposites by application of surface silanization for huntite–hydromagnesite mineral

Improvement of mechanical and physical performance of poly (lactic acid) biocomposites by application of surface silanization for huntite–hydromagnesite mineral

Fused filament fabrication: A comprehensive review

Sustainable approach toward novel poly(vinyl chloride) composite using calcite‐rich waste particulates

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