ANDERSON DOS SANTOS MESQUITA

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    Capítulo IPEN-doc 25628
    Electron beam effect on the thermal and mechanical properties analysis of DGEBA/EPDM compound
    2019 - MESQUITA, ANDERSON dos S.; CAVALCANTE, IAN T.; SILVA, LEONARDO G. de A. e
    The aim of this work is to obtain, characterize and irradiate the DGEBA/EPDM compound and compare their thermal and mechanical properties with a non-irradiated DGEBA/EPDM compound. The DGEBA/EPDM compound may be used to cover other materials such as polymers and protect them against high thermal conditions and mechanical effort. The compounds have 0.0, 25.0 and 50.0 wt% of DGEBA. In addition, the compounds were irradiated at 30 and 60 kGy at a dose rate 22.41 kGy/s. The thermal properties (DMA and TGA) and mechanical analysis (tensile strength and elongation at break) were performed. In conclusion, the irradiated DGEBA/EPDM compounds may be used for several applications due to the improvement in their mechanical and thermal properties. Their properties are satisfactory for application that requires stronger material.
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    Capítulo IPEN-doc 24659
    Mechanical, thermal and electrical properties of polymer (Ethylene Terephthalate—PET) filled with carbon black
    2018 - MESQUITA, ANDERSON dos S.; SILVA, LEONARDO G. de A. e; MIRANDA, LEILA F. de
    This work seeks to understand if PET compounds with carbon black can be uses to replace polypropylene and polystyrene for anti-static packaging materials. PET compounds were fabricated containing 10.0; 11.0; 12.0 and 15.0 weight % of carbon black with a particle size 325 mesh. We determined the thermomechanical properties (Dynamic Mechanical Analysis—DMA, Tensile Properties, Fracture Toughness, and Hardness) and Electrical properties of the compounds. In conclusion the results show the compound based on PET filled with 15.0% carbon black might be used in the handling, transportation and storage of electronic components because their mechanical properties, thermal and resistivity are satisfactory for this purpose.