scholarly journals Composites of Styrene-Butadiene Block-Copolymer Reinforced with Waste Printed Circuit Boards (WPCB)

2020 ◽  
Vol 57 (1) ◽  
pp. 92-99
Author(s):  
Paul Ghioca ◽  
Ramona Marina Grigorescu ◽  
Lorena Iancu ◽  
Rodica-Mariana Ion ◽  
Madalina-Elena David ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Printed Circuit Boards ◽  
Rapid Development ◽  
Mechanical Analysis ◽  
Circuit Boards ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards ◽  
Metals Recovery ◽  
Shoe Soles ◽  
Styrene Butadiene

In recent years, the rapid development of electronic equipment led to millions of tons of waste printed circuit boards (WPCB) generated in the entire world rising important concerns regarding its recycling. Besides the metals recovery, intensively studied, the reuse of the nonmetals is especially difficult. In this study, the non-metallic fraction from the waste of printed circuit boards is used as reinforcing filler of a styrene-butadiene block-copolymer. The composites were characterized by mechanical and dynamo-mechanical analysis and thermo-gravimetry. The study aimed the reintroduction into the economic circuit of WPCB as composites suitable for the production of shoe soles injected directly on the footwear faces and as bitumen modifiers for road coverings.

scholarly journals Composites of Styrene-Butadiene Block Copolymer Reinforced with Waste Printed Circuit Boards (WPCB)

Proceedings ◽  
2019 ◽  
Vol 29 (1) ◽  
pp. 19
Author(s):  
Paul Ghioca ◽  
Madalina Elena David ◽  
Mircea Ioan Filipescu ◽  
Ramona Marina Grigorescu ◽  
Lorena Iancu ◽  
...  
Keyword(s):  
Flame Retardants ◽  
Printed Circuit Boards ◽  
Printed Circuit Board ◽  
Circuit Board ◽  
Circuit Boards ◽  
Organic Part ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards ◽  
Waste Printed Circuit Board ◽  
Styrene Butadiene

The organic part of the waste printed circuit board (WPCB) contains mainly epoxy resin, fiberglass and brominated flame retardants, a composition that makes it quite difficult to reuse [1,2]. [...]

Progress in the Preparation of Composites Based on the Nonmetallic Fractions Recycled from Waste Printed Circuit Boards

2010 ◽  
Vol 160-162 ◽  
pp. 518-523 ◽  
Author(s):  
Wei Qiao Liu ◽  
Xing Xing Wang ◽  
Wei Ning Lei ◽  
Tong Ming Shang ◽  
Quan Fa Zhou
Keyword(s):  
Renewable Resources ◽  
Printed Circuit Boards ◽  
Circuit Boards ◽  
Research Directions ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards ◽  
Inorganic Composites ◽  
Metals Recovery ◽  
Waste Pcbs ◽  
Properties Of Composites

From the use of renewable resources and environmental protection, recycling of waste printed circuit boards (PCBs) receives wide concerns as the amounts of scrap PCBs increases dramatically. However, the recycle technology for waste PCBs in China is still immature. Previous studies focused on metals recovery, but resource utilization for nonmetallic fractions (NMFs) is relatively fewer. In this paper, the physical properties of the recovered nonmetallic powder is briefly introduced. The preparation of composites including organic and inorganic composites through the recycling NMFs was reviewed. In addition, the research directions of preparation of composites based on recycling NMFs were put forward. Firstly, the study on the reaction mechanism of composites preparation should be strengthened to explore the reasons why the additional quantity and particle size of NMFs powder have effects on the properties of composites. Secondly, a suitable coupling agent should be chosen to improve the the interface compatibility between the NMFs and matrix.

Metals recovery from dust derived from recycling line of waste printed circuit boards

2017 ◽  
Vol 165 ◽  
pp. 452-457 ◽  
Author(s):  
Fangfang Wang ◽  
Yuemin Zhao ◽  
Tao Zhang ◽  
Guangwen Zhang ◽  
Xing Yang ◽  
...  
Keyword(s):  
Printed Circuit Boards ◽  
Circuit Boards ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards ◽  
Metals Recovery

scholarly journals Composites of Styrene-butadiene Block-copolymers Reinforced with WEEE Polystyrene Fraction

2019 ◽  
Vol 56 (3) ◽  
pp. 510-513
Author(s):  
Ramona Marina Grigorescu ◽  
Paul Ghioca ◽  
Lorena Iancu ◽  
Madalina Elena Grigore ◽  
Ramona Elena Andrei ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Block Copolymers ◽  
Mechanical Testing ◽  
Mechanical Analysis ◽  
Reinforced Composites ◽  
Plastics Recycling ◽  
Metals Recovery ◽  
Reinforcing Agent ◽  
Shoe Soles ◽  
Styrene Butadiene

The high global production of electric and electronic equipment increases in the same manner the amount of the waste that needs to be recycled. Special attention is given to the plastics recycling from the waste in addition to the metals recovery that brings economic advantages. Considering that the plastic amount contains about 80% polystyrene polymers, the paper presents a recycling study of this fraction as reinforcing agent for a styrene-butadiene block copolymer. In order to reduce the melt viscosity, some of the composites were extended with paraffin-naphthenic �heavy white oil�. The blends were characterized by mechanical testing, thermal and dynamo-mechanical analysis. Based on the resulted properties, it can be concluded that the extended and reinforced composites can be used as material for shoe soles.

scholarly journals Hydrometallurgical Process for Selective Metals Recovery from Waste-Printed Circuit Boards

Metals ◽  
2018 ◽  
Vol 8 (6) ◽  
pp. 441 ◽  
Author(s):  
Željko Kamberović ◽  
Milisav Ranitović ◽  
Marija Korać ◽  
Zoran Andjić ◽  
Nataša Gajić ◽  
...  
Keyword(s):  
Printed Circuit Boards ◽  
Hydrometallurgical Process ◽  
Circuit Boards ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards ◽  
Metals Recovery

LEACHING OF METALS FROM WASTE PRINTED CIRCUIT BOARDS (WPCBs) USING SULFURIC AND NITRIC ACIDS

2014 ◽  
Vol 13 (10) ◽  
pp. 2601-2607 ◽  
Author(s):  
Jae-chun Lee ◽  
Manoj Kumar ◽  
Min-Seuk Kim ◽  
Jinki Jeong ◽  
Kyoungkeun Yoo
Keyword(s):  
Printed Circuit Boards ◽  
Circuit Boards ◽  
Printed Circuit ◽  
Waste Printed Circuit Boards
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