Poly(methyl methacrylate) organoclay composites; interactions of organic modifier with the polymer effecting thermal degradation behavior

Ozdemir, Esra; Hacaloğlu, Jale

doi:10.1016/j.eurpolymj.2017.08.041

Cited by 14 publications

(8 citation statements)

References 28 publications

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“…The onset temperature for weight loss is considered as beginning of the thermal decomposition. Moreover, the amount of volatile matter and ash content can be found by the help of TGA graphs [47,48]. TGA curves of PC and relevant composites are shown in Fig.…”

Section: Tga Studymentioning

confidence: 99%

Investigation of Mechanical, Thermal and Melt Flow Performance of Polycarbonate Hybrid Composites Containing Mica Flakes and Glass Fiber

et al. 2020

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Section: Tga Studymentioning

confidence: 99%

Investigation of Mechanical, Thermal and Melt Flow Performance of Polycarbonate Hybrid Composites Containing Mica Flakes and Glass Fiber

et al. 2020

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“…The nanocomposites had a significant increase in the thermal resistance of this step, highlighting the PMMA0.5 %ZnFe sample that reached 271±2 °C at the beginning of degradation. Finally, the third step corresponds to the breakage of the PMMA random chains [51] . The samples PMMA1.0 %ZnFe and PMMA1.0 %SiZnFe showed a slight increase of T3 max at approximately 8 °C.…”

Section: Resultsmentioning

confidence: 99%

“…Finally, the third step corresponds to the breakage of the PMMA random chains. [51] The samples PMMA1.0 %ZnFe and PMMA1.0 %SiZnFe showed a slight increase of T3 max at approximately 8 °C.…”

Section: Thermogravimetric Analysis (Tga) Of Compositesmentioning

confidence: 87%

“…As a result, it makes them susceptible to greater thermal stresses and distortions in the chain conformations, which can slightly favor scission and reduce T 10%. [51] Furthermore, it is noteworthy that the incorporation of nanoparticles can hinder the weight loss in the first and second degradation events compared to WL1 + WL2 of the pure polymer. Finally, an increase in filler concentration favors increased WL3 and residue at 700 °C.…”

Section: Thermogravimetric Analysis (Tga) Of Compositesmentioning

confidence: 99%

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Thermal, Magnetic and Electrical Properties of PMMA Nanocomposites with Manganese and Zinc Ferrite Nanoparticles and Their Functionalization

Marques

2022

ChemistrySelect

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Manganese (MnFe 2 O 4 ) and zinc (ZnFe 2 O 4 ) ferrite nanoparticles were synthesized by the combustion method. Furthermore, the modification of these particles with a silane compound was performed. Thus, the particles produced were analyzed for morphology using Scanning electron microscopy (SEM), thermal stability, and composition assisted by Thermogravimetric analysis (TGA). It is noteworthy that the present work used an unprecedented Far-Fourier-transform infrared spectroscopy (Far-FTIR) technique to differentiate the types of ferrites and their surface functionalization, as it is a simpler, more efficient, and high-resolution method. It is worth mentioning that there are few comparative studies of zinc and manganese ferrites in the literature, much less distinguishing these ferrites simply and efficiently. In addition, there is also a lack of scientific knowledge about its chemical functionalization as compatibilization, especially silanization. Novel PMMA nanocomposites were prepared with the different synthesized particles in the contents from 0.1 % to 1.0 wt.% by the in situ polymerization technique. The nanocomposites were characterized by the analysis of SEM, TGA, Differential scanning calorimetry (DSC), and FTIR mainly by their morphology, thermal resistance, glass transition temperature, proving the chemical interactions, electrical conductivity, capacitance, and dielectric constant. Furthermore, it was evidenced that, in addition to the improvements in thermal, electrical, and interface properties, the produced nanocomposites showed excellent electromagnetic shielding properties even at low filler contents. It is noteworthy that the capacitance increases 63 % for the composite with 1.0 % zinc ferrite and 43 % for manganese ferrite. Also, the electromagnetic absorption results proved that even the low filler contents tested in this work, up to 1.0 %, presented an excellent potential for applying as electromagnetic shielding materials, reaching up to 70 % attenuation with the use of zinc ferrite. Both ferrites showed excellent results, even superior to those found in the literature for other particles with the same purposes, and still needed a lower content to achieve excellent results.

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“…Various analysis methods are used to detect the degradation behavior of polymers [12]. It resulted that the polymer showed a remarkably different thermal pattern when heated in combination with a small amount of additive [13]. Both components of the system were shown a certain physical and chemical association.…”

Section: Introductionmentioning

confidence: 99%

The Effect of AlI3 Nanoadditive on the Thermal Behavior of PMMA Subjected to Thermoanalytical Py-GC-MS Technique

et al. 2021

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Thermal degradation of polymethylmethacrylate (PMMA) was studied by using inorganic salt of aluminum triiodide (AlI3). The composites of PMMA were prepared with AlI3 by changing the concentration of the AlI3 additive from 2% to 10% (w/w). The PMMA composites with AlI3 were characterized by TGA, DTG, SEM, FTIR, HBT, and Py-GC-MS techniques. The FTIR peaks of PMMA composite at 1316, 786, and 693 cm−1 justify the chemical association between PMMA and AlI3. TGA study shows that the stability of PMMA is enhanced by the addition of the AlI3 additive. SEM analysis represented that there is a relationship between polymer and additive when they are mixed at the molecular level. The horizontal burning test (HBT) also confirmed that the AlI3 additive produced the flame retarding properties in PMMA polymer. The burning rate of composite with 10% of AlI3 additive decreases five times as much as compared to pure PMMA polymer. Py-GC-MS analysis deduced that PMMA composite produced less toxic and environment-friendly substances (CO2) by the influence of AlI3 additive as compared to neat PMMA.

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Poly(methyl methacrylate) organoclay composites; interactions of organic modifier with the polymer effecting thermal degradation behavior

Cited by 14 publications

References 28 publications

Investigation of Mechanical, Thermal and Melt Flow Performance of Polycarbonate Hybrid Composites Containing Mica Flakes and Glass Fiber

Investigation of Mechanical, Thermal and Melt Flow Performance of Polycarbonate Hybrid Composites Containing Mica Flakes and Glass Fiber

Thermal, Magnetic and Electrical Properties of PMMA Nanocomposites with Manganese and Zinc Ferrite Nanoparticles and Their Functionalization

The Effect of AlI3 Nanoadditive on the Thermal Behavior of PMMA Subjected to Thermoanalytical Py-GC-MS Technique

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