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Mechanical recycling of thermoplastic polymers from computer equipments waste

Grant number: 12/13715-5
Support type:Regular Research Grants
Duration: January 01, 2013 - December 31, 2014
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Clodoaldo Saron
Grantee:Clodoaldo Saron
Home Institution: Escola de Engenharia de Lorena (EEL). Universidade de São Paulo (USP). Lorena , SP, Brazil


The expressive use of computer equipments such as personal computers and peripherals has greatly contributed to the formation of so-called waste electrical and electronic equipment (WEEEs). Due to the constant advancement in the development of more modern and functional equipments, devices of new generation become obsolete in a few years after use, producing post-consumer waste that cause environmental and waste management in large cities. The composition of waste is varied, corresponds to about 20% of the polymeric materials which are used as the structural part or in the setting of electronic circuits. The copolymer acrylonitrile-butadiene-styrene (ABS) and the high impact polystyrene (HIPS) are the most abundant. This research project was aimed at studying the recycling of thermoplastic polymers used in the manufacture of computer equipment through the preparation of compatibilized blends from polymeric waste with the virgin HIPS. The use of virgin HIPS aims to improve the properties of the waste that is depreciated by degradation processes without affecting the basic composition of the waste, providing a viable alternative in terms of cost and performance of these recycled materials. Besides the economic aspect, WEEEs recycling is a way to minimize the environmental and management problems caused by the irregular disposal of solid waste. (AU)

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Scientific publications (8)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
RIBEIRO, GUILHERME LUIS; GANDARA, MEIRENE; PINZON MORENO, DIEGO DAVID; SARON, CLODOALDO. Low-density polyethylene/sugarcane fiber composites from recycled polymer and treated fiber by steam explosion. JOURNAL OF NATURAL FIBERS, v. 16, n. 1, p. 13-24, . (12/13715-5)
PINZON MORENO, DIEGO DAVID; SARON, CLODOALDO. Low-density polyethylene waste/recycled wood composites. COMPOSITE STRUCTURES, v. 176, p. 1152-1157, . (12/13715-5)
HIRAYAMA, DENISE; SARON, CLODOALDO. Characterisation of recycled acrylonitrile-butadiene-styrene and high-impact polystyrene from waste computer equipment in Brazil. WASTE MANAGEMENT & RESEARCH, v. 33, n. 6, p. 543-549, . (12/13715-5)
PINZON MORENO, DIEGO DAVID; SARON, CLODOALDO. Influence of compatibilizer on the properties of low-density polyethylene/polyamide 6 blends obtained by mechanical recycling of multilayer film waste. WASTE MANAGEMENT & RESEARCH, v. 36, n. 8, p. 729-736, . (12/13715-5)
MORENO, D. D. P.; HIRAYAMA, D.; SARON, C.. Accelerated aging of pine wood waste/recycled LDPE composite. Polymer Degradation and Stability, v. 149, p. 39-44, . (12/13715-5)
PINZON MORENO, DIEGO DAVID; SARON, CLODOALDO. Low-density polyethylene/polyamide 6 blends from multilayer films waste. Journal of Applied Polymer Science, v. 136, n. 18, . (12/13715-5)
HIRAYAMA, DENISE; NUNNENKAMP, LOTHAR ANDREAS; GUEDES BRAGA, FERNANDO HENRIQUE; SARON, CLODOALDO. nhanced mechanical properties of recycled blends acrylonitrile-butadiene-styrene/high-impact polystyrene from waste electrical and electronic equipment using compatibilizers and virgin polymer. Journal of Applied Polymer Science, v. 139, n. 13, . (12/13715-5)

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