A Microrheological Study of Poly(Methyl Methacrylate) Elastomer/Poly(Ethylene Terephthalate) (PMMAelast/PET) Blends

Ito, Edson N.; Reinaldo, Juciklécia da Silva; Damasceno, Igor Zumba; Ueki, Marcelo Massayoshi

doi:10.1590/1980-5373-mr-2016-0929

Cited by 8 publications

(6 citation statements)

References 18 publications

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“…Morphological studies performed by Reinaldo and coworkers [35,36] on RuO 4 -stained PMMA e (using TEM) revealed the shapes of the core-shell particles of the elastomeric phases in PMMA e and the presence of PS, since RuO 4 preferentially stains the aromatic rings of PS. However, the characteristic absorption bands of the styrene in the PBA-co-PS copolymer in PMMA e were not detected by FTIR spectroscopy, which is probably due to the shapes of the PBA-co-PS core-shell particles.…”

Section: Preliminary Characterizationsmentioning

confidence: 99%

Effect of the chemical structure on the linear viscoelastic behavior of acrylic and styrenic polymer blends

et al. 2018

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Section: Preliminary Characterizationsmentioning

confidence: 99%

Effect of the chemical structure on the linear viscoelastic behavior of acrylic and styrenic polymer blends

et al. 2018

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“…The experiments are conducted in a nitrogen (N 2 ) atmosphere using an aluminum pan, with a heating rate of 10°C/min. The X c 25 is calculated according to the following equation:…”

Section: Thermal Analysismentioning

confidence: 99%

Reinforcing effects of ground tyre rubber on physical, mechanical, and thermal properties of polyethylene terephthalate

Dasgupta,

Dutta

2024

Journal of Elastomers & Plastics

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This study examines the use of waste and recyclable polyethylene terephthalate (rPET) along with micro-sized ground tire rubber (GTR) to produce a polymer matrix composite (PMC) material. The PMC materials are made in a Twin-screw extruder, with different ratios of rPET to GTR ranging from 90:10 to 50:50. In order to assess the performance of the newly created rPET-GTR matrix composite materials, the physical, mechanical properties are empirically observed. The thermal properties and crystallinity (Xc) of PMC materials are analysed using DSC. SEM and microscopic imaging are used to determine the characteristics of rPET-GTR composite materials, including elemental compositions like carbon, oxygen, and silicon. The functional group and chemical structure are confirmed through IR spectra analysis using FTIR techniques. The inclusion of micro-sized GTR has shown a significant effect on the physical (density = 1.306 - 1.208 g/cm3, water absorption = 1.76%–10.74%, and melt flow index = 8.12 - 12.79 gm/10 min), mechanical (tensile strength = 52.78 – 73.58 MPa, impact strength = 110.64 - 138.44 J/m, hardness = 56.14 - 76.37, and flexural modulus = 66.23 - 106.32 MPa), and thermal (melting temperature = 220.25°C–192.57°C, Xc = 20.30 to 30.58%) properties of rPET. These studies all work together to improve the performance of waste rPET and GTR materials by repurposing them. It helps to promote sustainability, cost-effectiveness, and expands the range of applications (automotive parts, building materials, sports equipment, electrical insulation and prosthetics) for rPET-based composites with potential uses in the polymer industries.

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“…Cold crystallization is an exothermic crystallization process occurred before the melting and it takes place when the sample is cooled rapidly and has no time to crystallize during the cooling phase [60]. PET, from PTT's family, also shows cold crystallization phenomenon before melting, as reported in many works in literature [61][62][63].…”

Section: Characterization Of the Nanocompositesmentioning

confidence: 99%

Effect of Carbon Nanotubes (CNT) Functionalization and Maleic Anhydride-Grafted Poly(trimethylene terephthalate) (PTT-g-MA) on the Preparation of Antistatic Packages of PTT/CNT Nanocomposites

et al. 2020

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Electronic devices require the use of antistatic packing to prevent electrostatic discharge during their storage or transport. Poly (trimethylene terephthalate) (PTT) is a polyester with excellent properties and can be a good candidate for this application. To make this insulating polymer an extrinsic conductor, carbon nanotubes (CNT) can be added to reduce the electrical resistivity of the nanocomposites. In order to facilitate the CNT distribution on polymeric matrix, it was proposed a chemical functionalization using nitric acid for the creation of functional groups on its surface. Moreover, the PTT matrix was modified with a compatibilizer agent based on maleic anhydride grafted PTT (PTT-g-MA), to improve interfacial adhesion between the nanofiller and matrix. In this work, nanocomposites based on PTT/PTT-g-MA/CNT were prepared by extrusion process, with 0.5 wt% and 1.0 wt% of CNT and functionalized CNT. CNT was characterized by stability dispersion in water, Raman spectroscopy, FTIR and XPS analysis, which prove the success of functionalization. The nanocomposites were evaluated by thermal analysis, tensile tests, electrical conductivity, and morphological analysis. The CNT functionalization and the addition of PTT-g-MA increased the dispersion and distribution of CNT in the PTT matrix. The electrical properties show that this material can be used as an antistatic packaging.

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A Microrheological Study of Poly(Methyl Methacrylate) Elastomer/Poly(Ethylene Terephthalate) (PMMAelast/PET) Blends

Cited by 8 publications

References 18 publications

Effect of the chemical structure on the linear viscoelastic behavior of acrylic and styrenic polymer blends

Effect of the chemical structure on the linear viscoelastic behavior of acrylic and styrenic polymer blends

Reinforcing effects of ground tyre rubber on physical, mechanical, and thermal properties of polyethylene terephthalate

Effect of Carbon Nanotubes (CNT) Functionalization and Maleic Anhydride-Grafted Poly(trimethylene terephthalate) (PTT-g-MA) on the Preparation of Antistatic Packages of PTT/CNT Nanocomposites

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