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Composite of low‐density polyethylene and aluminum obtained from the recycling of postconsumer aseptic packaging
Author(s) -
Lopes Cristina M. A.,
Felisberti Maria Isabel
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.23406
Subject(s) - low density polyethylene , materials science , composite number , crystallinity , composite material , polyethylene , ultimate tensile strength , aluminium , polymer , izod impact strength test
The recycling process of postconsumer aseptic packaging composed of paper, low‐density polyethylene (LDPE), and aluminum consists of recovering paper, the major component, through centrifugation. The remaining mixture of LDPE and aluminum, a recycled composite called PEAL, offers an interesting combination of properties, especially because of the presence of a small amount of poly(ethylene‐ co ‐methacrylic acid (EMAA). In this work, this composite is characterized, and the properties are compared with those of pure LDPE and EMAA, the polymers that constitute the recycled material. PEAL is around 15% aluminum particles with different shapes and sizes. The composite presents higher thermooxidative stability, higher crystallinity, lower impact resistance, and higher tensile strength than the other olefin polymers. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 101: 3183–3191, 2006