Effect of reprocessing and clay concentration on the degradation of polypropylene/montmorillonite nanocomposites during twin screw extrusion

Polymer Degradation and Stability

Volumn 98, Issue 3, 2013, Pages 801-808

  Da R Silvano, Josiane ^a   Rodrigues, Sabrina A ^b   Marini, Juliano ^b,c   Bretas, Rosario E S ^c   Canevarolo, Sebastião V ^c   De M Carvalho, Benjamim ^a   Pinheiro, Luís A ^a  

^a STATE UNIVERSITY OF PONTA GROSSA   (Brazil)

^b FEDERAL UNIVERSITY OF PARANÁ   (Brazil)

^c FEDERAL UNIVERSITY OF SÃO CARLOS   (Brazil)

Author keywords

Clay polymer nanocomposite; Degradation; Montmorillonite; Polypropylene; Reprocessing

Indexed keywords

CLAY MINERALS; DEGRADATION; EXTRUSION; FOURIER TRANSFORM INFRARED SPECTROSCOPY; METAL IONS; NANOCOMPOSITES; SCRAP METAL REPROCESSING; VISCOSITY; X RAY DIFFRACTION;

CLAY CONCENTRATION; CLAY INTERCALATION; INTERPLANAR DISTANCE; MONTMORILLONITE (MMT); POLYPROPYLENE GRAFTED WITH MALEIC ANHYDRIDE; REPROCESSING CYCLES; RHEOLOGICAL MEASUREMENTS; TWIN SCREW EXTRUSION;

POLYPROPYLENES;

EID: 84875431939     PISSN: 01413910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.polymdegradstab.2012.12.009     Document Type: Article

References (32)

1. Hinsken H, Moss S, Pauquet JR, Zweifel H. Degradation of polyolefins during melt processing. Polym Degrad Stab 1991;34:279-93.
2. Caceres CA, Canevarolo SV. Scission in the thermo mechanical degradation of polystyrene under multiple extrusions. Polímeros 2008;18(4):348-52.
3. Pinheiro LA, Chinelatto MA, Canevarolo SV. The role of chain scission and chain branching in high density polyethylene during thermo-mechanical degradation. Polym Degrad Stab 2004;86(3):445-53.
4. Babetto AC, Canevarolo SV. Effect of screw element on the polypropylene degradation during multiple extrusions. Polímeros 2000;10(2):90-9.
5. Canevarolo SV. Chain scission distribution function for polypropylene degradation during multiple extrusions. Polym Degrad Stab 2000;709:71-6.
6. Paiva LB, Morales AR, Guimarães TR. Mechanical properties of polypropylene and organophilic montmorillonite nanocomposites. Polímeros 2006;16(2): 136-40.
7. Alexandre M, Dubois P. Polymer-layered silicate nanocomposites: Preparation, properties and uses of a new class of materials. Mater Sci Eng 2000;28: 1-63.
8. Souza MA, Pessan LA, Rodolfo A. Nanocomposites of poly(vinyl chloride) (PVC)/organoclay. Polímeros 2006;16:257-62.
9. Lonkar SP, Therias S, Caperaa N, Leroux F, Gardette JL. Photooxidation of polypropylene/layered double hydroxide nanocomposites: Influence of intralamellar cations. Eur Polym J 2010;46:1456-64.
10. Ramos FG, Melo TJA, Rabello MS, Silva SML. Thermal stability of nanocomposites based on polypropylene and bentonite. Polym Degrad Stab 2005; 89:383-92.
11. Gutiérrez G, Fayolle A, Régnier G, Medina J. Thermal oxidation of claynanoreinforced polypropylene. Polym Degrad Stab 2010;95:1708-15.
12. Xie W, Gao Z, Pan W, Hunter D, Singh A, Vaia RA. Thermal degradation chemistry of alkyl quaternary ammonium montmorillonite. Chem Mater 2001;13:2979-90.
13. Davis RD, Gilman JW, Vanderhart DL. Processing degradation of polyamide 6/montmorillonite clay nanocomposites and clay organic modifier. Polym Degrad Stab 2003;79:111-21.
14. Shah RK, Paul DR. Organoclay degradation in melt processed polyethylene nanocomposites. Polymer 2006;47:4075-84.
15. Langat J, Bellayer S, Hudrlik P, Hudrlik A, Maupin PH, Gilmam JW, et al. Synthesis of imidazolium salts and their application in epoxy montmorillonite nanocomposites. Polym Sci 2006;47:6698-709.
16. Yoon PJ, Hunter DL, Paul DR. Polycarbonate nanocomposites: Part 2. Degradation and color formation. Polymer 2003;44(18):5341-54.
17. Delozier DM, Orwoll RA, Cahoon JF, Johnston NJ, Smith JG, Connell JW. Thermal degradation chemistry of alkyl quaternary ammonium montmorillonite. Polymer 2002;43(3):813-22.
18. Touati N, Kaci M, Bruzaud S, Grohens Y. The effects of reprocessing cycles on the structure and properties of isotactic polypropylene/cloisite 15A nanocompósitos. Polym Degrad Stab 2011;96:1064-73.
19. Pinheiro LA, Hu G-H, Pessan LA, Canevarolo SV. In-line measurements of the morphological parameters of PP/PA6 blends during extrusion in the transient mode. Polym Eng Sci 2008;48:806-14.
20. Pinheiro LA, Bittencourt CS, Canevarolo SV. Real time assessment of the compatibilization of polypropylene/polyamide 6 blends during extrusion. Polym Eng Sci 2010;50:826-34.
21. Sclavons M, Laurent M, Devaux J, Carlier V. Maleic anhydride-grafted polypropylene: FTIR study of a model polymer grafted by ene-reaction. Polymer 2005;46:8062-7.
22. Melo TJA, Canevarolo SV. In line optical detection in the transient state of extrusion polymer blending and reactive processing. Polym Eng Sci 2005; 45(1):11-9.
23. Melo TJA, Pinheiro LA, Canevarolo SV. Factorial design to quantify the influence of extrusion parameters in the mean residence time. Polímeros 2000; 20(4):322-6.
24. de Paoli MA. Polymer degradation and stabilization. São Paulo: Artliber; 2008.
25. Fornes TD, Yoon PJ, Paul DR. Polymer matrix degradation and color formation in melt processed nylon 6/clay nanocompósitos. Polymer 2003;44:7545-56.
26. Reis KC, Canevarolo SV. Evaluation of the structure of polypropylene/montmorillonite nanocomposite by in-line light extinction and color measurements during multiple extrusions. Polym Eng Sci 2012;52(8):1784-94.
27. Zhao J, Morgan AB, Harris JD. Rheological characterization of polystyrene-clay nanocomposites to compare the degree of exfoliation and dispersion. Polymer 2005;46:8641-860.
28. Russo GM, Simon GP, Incarnato L. Correlation between rheological, mechanical, and barrier properties in new copolyamide-based nanocomposite films. Macromolecules 2006;39:3855-64.
29. Russo GM, Nicolais V, Di Maio L, Montesano S, Incarnato L. Rheological and mechanical properties of nylon 6 nanocomposites submitted to reprocessing with single and twin screw extruders. Polym Degrad Stab 2007;92: 1925-33.
30. Wagener R, Reisinger TJG. A rheological method to compare the degree of exfoliation of nanocomposites. Polymer 2003;44:7513-8.
31. Cáceres CA, Canevarolo SV. Correlation between melt flow índex and chain scission distribution function during the thermo-mechanical degradation of polypropylene. Polímeros 2006;16:294-8.
32. Peterson JD, Vyazovkin JD, WIGHT CA. Kinetics of the thermal and thermooxidative degradation of polystyrene, polyethylene and poly(propylene). Macromol Chem Phys 2001;202:775-84.