Study of the degradation mechanisms of polyethylene during reprocessing

Polymer Degradation and Stability

Volumn 96, Issue 6, 2011, Pages 1125-1133

  Mendes, A A ^a   Cunha, A M ^b   Bernardo, C A ^b  

^a POLYTECHNIC INSTITUTE OF LEIRIA   (Portugal)

^b UNIVERSITY OF MINHO   (Portugal)

Author keywords

Degradation mechanisms; Plastics waste; Polyethylene; Primary recycling; Processing structure properties relationships; Reprocessing

Indexed keywords

BRANCHED POLYMER; CHAIN SCISSION; CONTROLLED CONDITIONS; DEGRADATION MECHANISM; EXPERIMENTAL TECHNIQUES; INJECTION MOULDING; LOW SENSITIVITY; MATERIAL PROPERTY; MATERIAL STRUCTURE; PLASTICS WASTE; PRIMARY RECYCLING; PROCESSING CONDITION; PROPERTY CHANGES; RELATIVE IMPORTANCE; REPROCESSING; STRUCTURAL MODIFICATIONS; THERMO-DEGRADATION; THERMO-OXIDATIVE;

DEGRADATION; ELASTOMERS; INJECTION MOLDING; POLYMERS; RECYCLING; STRUCTURAL PROPERTIES; THERMOPLASTICS;

POLYETHYLENES;

EID: 79955595446     PISSN: 01413910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.polymdegradstab.2011.02.015     Document Type: Article

References (27)

1. Directive 2008/98/EC of the European Parliament and the Council, Waste Framework Directive revised, Brussels, 2008.
2. J. Leidner Plastics waste 1981 Marcel Dekker Inc New York
3. Abbs KB, Knutsson AB, Berglund, SH. Reprocessing of thermoplastics. Models predicting the effect of physical properties. Proceedings of the American Chemical Society Meeting 1977; 383-88.
4. G. Glockner Polycarbonate degradation under processing conditions Plaste und Kautschuk 15 1968 632 635
5. N.R. Schott, L. Lak, and G. Smoluk Recycling calculations in plasticating extrusion SPE ANTEC Tech Papers 32 1974 43 46
6. J.W. Shea, C.J. Nelson, and R.R. Cammons The effects of recycling on the properties of injection molded polycarbonate SPE ANTEC Tech Papers 33 1975 614 617
7. J.W. Shea, C.J. Aloisio, and R.R. Cammons Effects of composition, processing and environmental exposure on mechanical integrity of polycarbonate connectors SPE ANTEC Tech Papers 35 1977 326 329
8. K.B. Abbs, A.B. Knutsson, and S.H. Berglund New thermoplastics from old Chemtech 8 8 1978 502 508
9. J.M. Pérez, J.L. Vilas, J.M. Laza, S. Arnáiz, F. Mijangos, and E. Bilbao Effect of reprocessing and accelerated ageing on thermal and mechanical polycarbonate properties J Mat Process Technol 210 5 2010 727 733
10. S. Moss, and H. Zweifel Degradation and stabilization of high density polyethylene during multiple extrusions Polym Degrad Stab 25 24 1989 217 245
11. C.N. Kartalis, C.D. Papaspyrides, R. Pfaendner, K. Hoffmann, and H. Herbst Mechanical recycling of post-used high-density polyethylene crates using the restabilization technique. I. Influence of reprocessing J Appl Polym Sci 73 9 1999 1775 1785 (Pubitemid 129578609)
12. C.A. Bernardo, A. Cunha, and M.J. Oliveira The recycling of thermoplastics. Prediction of the properties of mixtures of virgin and reprocessed polyolefins Polym Eng Sci 36 4 1996 511 519 (Pubitemid 126594062)
13. A.S.F. Santos, J.A.M. Agnelli, D.W. Trevisan, and S. Manrich Degradation and stabilization of polyolefins from municipal waste during multiple extrusions under different reprocessing conditions Polym Degrad Stab 77 3 2002 441 447 (Pubitemid 35382199)
14. F. Gugumus Physico-chemical aspects of polyethylene processing in an open mixer. 2. Functional group formation on PE-LD processing Polym Degrad Stab 67 1 2000 35 47 and subsequent studies (Pubitemid 30529228)
15. S.A. Cruz, and M. Zanin Evaluation and identification of degradative processes in post-consumer recycled high-density polyethylene Polym Degrad Stab 80 1 2003 31 37
16. W. Camacho, and S. Karlsson Assessment of thermal and thermo-oxidative stability of multiextruded recycled PP, HDPE and a blend thereof Polym Degrad Stab 78 2 2002 385 391
17. N. Nakajima, and M. Shida Viscoelastic behavior of polyethylene in capillary flow expressed with three material functions J Rheol 10 1 1966 299 316
18. A.T.P. Zahavich, B. Latto, E. Takacs, and J. Vlachopoulos The effect of multiple extrusion passes during the recycling of high density polyethylene Advan Polym Technol 16 1 1997 11 24 (Pubitemid 127551316)
19. M.J. Abad, A. Ares, L. Barral, J. Cano, F.J. Díez, and S. García-Garabal Effects of a mixture of stabilizers on the structure and mechanical properties of polyethylene during reprocessing J Appl Polym Sci 92 6 2004 3910 3916 (Pubitemid 38677495)
20. L.A. Pinheiro, M.A. Chinelatto, and S.V. Canevarolo The role of chain scission and chain branching in high density polyethylene during thermomechanical degradation Polym Degrad Stab 86 3 2004 445 453
21. I. Rex, B.A. Graham, and M.R. Thompson Studying single-pass degradation of a high-density polyethylene in an injection molding process Polym Degrad Stab 90 1 2005 136 146 (Pubitemid 41013943)
22. R. Scaffaro, F.P. La Mantia, L. Botta, M. Morreale, NTz Dintcheva, and P. Mariani Competition between chain scission and branching formation in the processing of high-density polyethylene: effect of processing parameters and of stabilizers Polym Eng Sci 49 7 2009 1316 1325
23. N.T. Dintcheva, F.P. La Mantia, D. Acierno, L. Di Maio, G. Camino, and F. Trotta Characterization and reprocessing of greenhouse films Polym Degrad Stab 72 1 2001 141 146 (Pubitemid 32284743)
24. L. Mandelkern, and R.G. Alamo Thermodinamics quantities governing melting J.E. Mark, Physical properties of polymers handbook 1996 AIP Press New York
25. E.B. Rabinovitch Weathering of PVC compounds C.E. Wilkes, J.W. Summers, C.A. Daniels, PVC handbook 2005 Carl Hanser Verlag Munich 483 486
26. C.A. Bernardo Derivation and validation of models to predict the properties of mixtures of virgin and recycled polymers G. Akovali, C.A. Bernardo, J. Leidner, L.A. Utracki, M. Xanthos, Frontiers in the science and technology of polymer recycling 1998 Kluwer Academic Publishers Dordrecht 215 247
27. O. Delgadillo-Velázquez, S.G. Hatzikiriakos, and M. Sentmanat Thermorheological properties of LLDPE/LDPE blends Rheol Acta 47 1 2008 19 31