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|S.No.||Article Title & Authors (Volume 12, Issue 1, February - 2019)||Page Nos.||Status|
|1.||Recycling Cycle of Materials applied on Thermoplastic Polyurethane
Luis A. K. Bugin and Luis H. A. Candido
International Journal of Advances in Engineering & Technology (IJAET), Volume 12 Issue 1, pp. 1-10, February 2019.
The selection of tools for the management of footwear waste has currently become a concern to footwear designers, background studies demonstrated this professionals have little understanding on the end of life of applied materials. This study applied an Ecodesign tool named Recycling Cycle of Materials (RCM) on thermoplastic polyurethane (TPU) in three reprocessing cycles (RCM1, RCM 2, and RCM 3) of grinding, drying and injection molding. The samples were submitted to characterization techniques as TGA, FTIR, density, Shore A hardness, resistance to traction and compression, properties that could influence the TPU performance in product design applications. The TGA, FTIR and density results exhibited thermal and physical stability without mischaracterization after three reprocessing cycles. Reduced useful life of products was observed due to the gap of the maximum tensile stress from 21.08 MPa reference to 9.04 MPa in RCM 3. It was concluded that recycled TPU in RCM 1 had a performance compatible to its original application, in RCM 2 it was different from the original, and in RCM 3 there was high mechanical degradation.
|2.||Impact of the Microclimate in Printing Process
Svetlana Mijakovska, Roberto Pasic, Ivo Kuzmanov, Filip Popovski, Borce Jakimovksi
International Journal of Advances in Engineering & Technology (IJAET), Volume 12 Issue 1, pp. 11-17, February 2019.
Each printing process tends to reduce the disadvantage of the core material. The basic material in the printing houses is paper. ?icroclimate has a strong influence on the the paper disadvantage. This paper presents the study of the impact of the microclimate on the influence in a printing house for a certain period. The microclimate includes internal and external temperature, brightness and humidity. In this paper, we present the impact of each of these factors and their ideal values in order not to damage the paper.
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