Synthesis of polyethylene/nickel–carbon stimuli-responsive material under magnetic field at room temperature: Effect of the filler on the properties

Nisar, Muhammad; Thue, Pascal S.; Heck, Cesar A.; Cuaila, J.L. Salazar; Geshev, J.; Lima, Éder C.; Jacobi, Marly Antônia Maldaner

doi:10.1016/j.eurpolymj.2017.12.044

Cited by 13 publications

(14 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The highest increase in the modulus was shown by PE‐Fe‐C‐2% and PE‐Ni‐C‐2%, exhibiting an enhancement of 33% (from 607 to 893 and 906 MPa, respectively); similar enhancements are reported by other researchers using graphene nanosheets and carbon nanotubes . The improvement in the modulus is attributed to the filler loading and their uniform dispersion in the PE matrix, leading to strong interfacial adhesion, which results in an actual load transmission from the nanoparticles to the polymer . These effects indicate an increase in the nanocomposites' rigidity because of the presence of the filler .…”

Section: Resultssupporting

confidence: 76%

“…The images display that the nanofiller is consistently distributed in the polymer matrix. The presence of the black spots, which is most prominent in the case of PE‐Ni‐C‐2%, as a result of the existence of metal particles in the polymer matrix, comparable morphology, and the presence of black spots is reported as metal particles by other researchers . No aggregation was observed in the micrographs.…”

Section: Resultssupporting

confidence: 54%

“…Figure illustrates that with the incorporation of filler, a decrease in the elongation at break occurs, increasing the stiffness of the material . Nanoparticles intensely limit the effort of the polymer chain to move, avoiding it from elongating when beneath tension, which decreases the elongation at break . A decrease of almost 25%–30% was observed for all samples except for PE‐Fe‐C‐2%.…”

Section: Resultsmentioning

confidence: 90%

“…The focus of our research group is to prepare polyolefin nanocomposites by melt mixing and in situ polymerization techniques. Recently, we reported the synthesis of polyolefins‐carbon nanotubes magnetic nanocomposites (PE‐CNT‐Fe and PP‐CNT‐Fe), obtaining a uniform dispersion of the nanoparticles in the polyolefin matrices . More recently, we studied the introduction of Ni‐carbonized magnetic nanoparticles produced from the wood biomass (cost‐effective materials), using the microwave for the pyrolysis to carbonize the material, and used as filler in PE nanocomposites .…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Nisar

Thue

Heck

et al. 2020

Polymer Engineering & Sci

Self Cite

View full text Add to dashboard Cite

In the present study, the effect of Ni, Co, and Fe carbonbased magnetic fillers (Ni-C, Co-C, and Fe-C) was investigated on the magnetic, mechanical, thermal, and morphological properties of polyethylene nanocomposites. The in situ polymerization technique was used to prepare nanocomposites of polyethylene from the ethylene monomer introducing small amounts of filler ranging from 1 to 2 wt.%. The metal-carbonized fillers were obtained by pyrolysis of wood sawdust activated by Ni, Co, or Fe salts. X-ray diffraction showed that the fillers were of nanometric size. Thermogravimetric analysis was executed to investigate the thermal strength of the materials as well as to calculate the metal content in the carbon-based fillers. The onset degradation temperature showed an enhancement of 17 C, whereas the maximum degradation temperatures increased 4 C with the introduction of the filler. Differential scanning calorimetry indicated an improvement of 3 C in crystallization temperature, whereas the melting temperature remained unchanged compared to neat polyethylene. The filler was shown to increase the modulus of elasticity of the nanocomposites. The addition of 1.0 wt.% of the metal-carbonized material in the diamagnetic polymer matrix resulted in a thermoplastic nanocomposite with ferromagnetic behavior. POLYM. ENG. SCI., 60:988-995, 2020. 989 e C.A. = catalytic activity [kgPE [Zr] −1 h −1 bar −1 ]. f X c = degree of crystallinity calculated from the DSC curve.

show abstract

Section: Resultssupporting

confidence: 76%

Section: Resultssupporting

confidence: 54%

Section: Resultsmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Nisar

Thue

Heck

et al. 2020

Polymer Engineering & Sci

Self Cite

View full text Add to dashboard Cite

show abstract

“…The existence of the metal as a block spot in the polymer and a similar morphology have been reported in other studies. [40][41][42] The micrographs do not present ller aggregation.…”

Section: Morphological Analysismentioning

confidence: 89%

Polysulfone metal-activated carbon magnetic nanocomposites with enhanced CO₂capture

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

Different aspects of polymer films based on low‐density polyethylene using graphene as filler

Medeiros

Nisar

Peter

et al. 2023

J of Applied Polymer Sci

Self Cite

View full text Add to dashboard Cite

The focus of the present work is to prepare low‐density polyethylene (LDPE)‐graphene (G) nanocomposite films with improved gas barrier properties by melt extrusion. A narrow range of the graphene (0.05–0.3 wt.%) as filler was used in the LDPE matrix. The rheological analysis indicating that there is no significant influence on the LDPE chains mobility with the addition of filler. The nanocomposites percent crystallinity (Xc%) increase from 25.0% to 31.6% compared to neat LDPE. The X‐ray diffractogram shows a change in width half height of the peak positioned at 26° ((002) plane) from 0.69 (graphite) to 1.24 (graphene), revealing the asymmetry of this plane. The optical microscopy images show a good dispersion of the nanoparticles in the polymer matrix. The mechanical properties of the nanocomposites in longitudinal direction demonstrate better improvement with addition of the filler as compared to the transverse direction. The contact angle measurements of nanocomposites for water and ethylene glycol do not shows a significant variation in comparison to neat LDPE. The nanocomposites show 26% enhancement in the oxygen barrier property. Thus, here we present the cost‐effective LDPE‐graphene nanocomposites with improve oxygen barrier property, which can be used in different industrial application especially in food packaging.

show abstract

Synthesis of polyethylene/nickel–carbon stimuli-responsive material under magnetic field at room temperature: Effect of the filler on the properties

Cited by 13 publications

References 55 publications

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Polysulfone metal-activated carbon magnetic nanocomposites with enhanced CO₂capture

Different aspects of polymer films based on low‐density polyethylene using graphene as filler

Contact Info

Product

Resources

About

Synthesis of polyethylene/nickel–carbon stimuli-responsive material under magnetic field at room temperature: Effect of the filler on the properties

Cited by 13 publications

References 55 publications

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Polyethylene Nanocomposites with Ni, Co, and Fe Carbon‐Based Magnetic Fillers

Polysulfone metal-activated carbon magnetic nanocomposites with enhanced CO2capture

Different aspects of polymer films based on low‐density polyethylene using graphene as filler

Contact Info

Product

Resources

About

Polysulfone metal-activated carbon magnetic nanocomposites with enhanced CO₂capture