Investigation of thermal, mechanical and gas barrier properties of polypropylene-modified clay nanocomposites by micro-compounding process

Bunekar, Naveen; Tsai, Tsung‐Yen; Huang, Je-Yu; Chen, Sijing

doi:10.1016/j.jtice.2018.04.016

Cited by 21 publications

(11 citation statements)

References 22 publications

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“…Many researchers have revealed that several types of fillers including multiwalled CNTs, clay, and GNPs can be used as nucleation agents that introduce other forms of crystals, often increasing crystallinity .…”

Section: Resultsmentioning

confidence: 99%

“…Better results can be seen with the use of PP‐ g ‐MA as a compatibilizer . In fact, PP‐ g ‐MA is the most convenient compatibilizer to use since it changes the internal structure and morphology of the GNPs‐based nanocomposite, as well as enhances the filler–matrix interaction .…”

Section: Methodsmentioning

confidence: 99%

“…However, the applications of PP are limited due to its high molding shrinkage, low stiffness, and poor impact toughness. For several decades, attention has been paid to improve PP properties by adding nanofillers .…”

Section: Introductionmentioning

confidence: 99%

“…GNPs are considered the most promising fillers for improving the intrinsic properties of polymers, giving rise to a novel class of polymeric nanocomposites that could be used in different application fields, including electronics, aerospace, automotive, and green energy industry .…”

Section: Introductionmentioning

confidence: 99%

“…Among them, PP‐grafted‐maleic anhydride (PP‐ g ‐MA) is the most convenient compatibilizer to be used. However, little effort is devoted to investigating the PP/GNPs nanocomposites in the presence of a compatibilizer .…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of nanocomposites containing graphene nanoplatelets: Mechanical properties and combustion behavior

Trusiano

Matta

Bianchi³

et al. 2019

Polymer Engineering & Sci

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Polypropylene (PP) nanocomposites containing graphene nanoplatelets (GNPs) with different loadings were fabricated via masterbatch compounding-melt blending processing technique. Morphological studies showed that the method employed provided uniform GNPs dispersion in the matrix, orienting the nanoplatelets along the same direction the flow of matter. Enhancements of storage and Young's modulus occurred, increasing GNP content, and the improvement was more obvious when a compatibilizer, the PP-grafted-maleic anhydride, was introduced to achieve a better GNP dispersion and distribution within the matrix. For all the nanocomposites, even for those compatibilized, it was not possible to fully exploit the GNP toughening effect since a stiffening and embrittling effect prevailed. Thermogravimetric analysis showed that GNP incorporation has improved the thermal stability of the nanocomposites. In addition, cone calorimetry results showed that GNPs can act as intumescent flame retardant and significantly reduced the heat release rate, thus improving the flame retardancy of the PP matrix. POLYM. ENG. FIG. 2. SEM images representing the ability of the nanocomposite production method to disperse and orientate the GNPs: The magnifications show how the nanoplatelets perfectly follow the direction of the flow of matter established during the manufacture of the specimens. [Color figure can be viewed at wileyonlinelibrary.com]

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Evaluation of nanocomposites containing graphene nanoplatelets: Mechanical properties and combustion behavior

Trusiano

Matta

Bianchi³

et al. 2019

Polymer Engineering & Sci

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Green Nanocomposites

Bunekar

Tsai

2020

Emerging Carbon‐Based Nanocomposites for Environmental Applications

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Cotton waste and nanoclay‐based phenolic novolac epoxy composites and evaluation of their properties

Soydal

2022

J of Applied Polymer Sci

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In this study, two types of biobased epoxy composites were prepared by using only alkali-treated cotton waste (CtW), or with the nanoclay (NC) in the form of hybrid reinforcement. Phenol novolac-type epoxy resin (EPN) was used as a matrix. Untreated (CtW) and alkali-treated (NaOH-CtW) particles were characterized by scanning electron microscopy (SEM)/energy-dispersive X-ray spectroscopy (EDX). The average size for NC was determined as 3838 nm.Composites were prepared at 10-50 wt% NaOH-CtW and 20 wt% NaOH-CtW/ (1-2-3-4-5) wt% NC ratios. The morphology of the composites was investigated using SEM. The composites' properties were determined by applying thermogravimetric analysis (TGA), and various tests (tensile, hardness, water sorption, and surface contact angle measurement). The tensile strength of pure EPN was 96.6 MPa, while it changed in the range of 74-98 and 81-106 MPa for NaOH-CtW and hybrid composites, respectively. All hybrid composites exhibited higher Young's modulus values (7.7-8.9 GPa). Thermal values of hybrid composites were found higher and their char percentages varied in the range of 28.9-30.3%. NaOH-CtW increased the water sorption of the epoxy matrix from 0.59% up to 6% by 50 wt%. In contrast, a decrease in water sorption of NC composites was observed.

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Investigation of thermal, mechanical and gas barrier properties of polypropylene-modified clay nanocomposites by micro-compounding process

Cited by 21 publications

References 22 publications

Evaluation of nanocomposites containing graphene nanoplatelets: Mechanical properties and combustion behavior

Evaluation of nanocomposites containing graphene nanoplatelets: Mechanical properties and combustion behavior

Green Nanocomposites

Cotton waste and nanoclay‐based phenolic novolac epoxy composites and evaluation of their properties

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