2022
DOI: 10.1002/pc.27125
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Abstract: Toughness modification of polypropylene (PP), a widely used polymer in industry, is an important factor in overcoming mechanical limitations and extending its scope of application. In the present work, we utilized a combination of nanoparticle and elastomer techniques to enhance the toughness of PP. Accordingly, the nanocomposite blends, including PP, ethylene octene copolymer (EOC), and multi-walled carbon nanotubes (MWCNTs), were pre-

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Cited by 9 publications
(13 citation statements)
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“…In contrast, the elongation at the break of nanocomposites containing larger size ZnO particles was lower. This is because the nanoparticles under the applied stress were subjected to stress concentration, leading to debonding and cavitation at their interface with the matrix, consuming abundant energy and thus producing a toughening effect 20 . The number of cavities increased with the increment in stress.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In contrast, the elongation at the break of nanocomposites containing larger size ZnO particles was lower. This is because the nanoparticles under the applied stress were subjected to stress concentration, leading to debonding and cavitation at their interface with the matrix, consuming abundant energy and thus producing a toughening effect 20 . The number of cavities increased with the increment in stress.…”
Section: Resultsmentioning
confidence: 99%
“…This is because the nanoparticles under the applied stress were subjected to stress concentration, leading to debonding and cavitation at their interface with the matrix, consuming abundant energy and thus producing a toughening effect. 20 The number of cavities increased with the increment in stress. When the smaller size ZnO particles were more uniformly stressed, the larger size ZnO particles were more likely to act as a microcrack initiation point in the matrix, leading to fractures in the material.…”
Section: Thermal and Mechanical Performancementioning
confidence: 96%
“…The interfacial energy between the phases in the blends can be obtained by calculating the surface energy obtained from Equations ( 3) and ( 4), and the ω a is obtained using Equation (2), and the results are listed in Table 4. The ω a > 1 calculated according to Equation (2) indicates that the LDH particles are selectively localized in the EVA elastomer phase during the melt blending process from the thermodynamic aspect. However, the actual distribution needs to be further explored based on the SEM observations.…”
Section: Theoretical Evaluation Of Wetting Coefficient (ω a )mentioning
confidence: 99%
“…[ 1 ] However, the notch sensitivity and poor low‐temperature brittleness of PP make it difficult to be applied alone as one kind of functional materials with increasing performance requirements. [ 2,3 ] Especially, the freezing of PP molecular chains and the concentration of internal stresses lead to defective cracks in low‐temperature environments. Therefore, the investigation on mechanical toughening of PP is imminent to enhance its usefulness for expanding its applications.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, although thermodynamics is a necessary factor in determining nano-localization, kinetic factors can also practically influence the final localization of nanoparticles. 29 As rheology is a powerful tool for identifying nanocomposite blends' microstructure, frequency sweep tests at small strain amplitudes are used to investigate the linear viscoelastic response. Figure 5 shows the rheological frequency sweep measurements for the neat samples, as well as their nanocomposites containing 1, 3, and 5 phr nanoclay.…”
Section: Localization Of Nanoclay In the Blend Nanocompositesmentioning
confidence: 99%