Cell structure evolution and the crystallization behavior of polypropylene/clay nanocomposites foams blown in continuous extrusion

Industrial and Engineering Chemistry Research

Volumn 49, Issue 20, 2010, Pages 9834-9845

  Zhai, Wentao ^a   Kuboki, Takashi ^a   Wang, Lilac ^a   Park, Chul B ^a   Lee, Eung K ^a   Naguib, Hani E ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CELL DENSITY; CELL DISTRIBUTION; CELL MORPHOLOGY; CELL STRUCTURE; CELL WALLS; CELL-WALL THICKNESS; CLAY CONTENT; CONTINUOUS EXTRUSION; CRYSTAL SIZE; CRYSTALLIZATION BEHAVIOR; DIE TEMPERATURES; EXPANSION RATIO; EXTRUSION FOAMING; FOAMING BEHAVIOR; FOAMING PROCESS; HEAT OF FUSION; HIGH CELL DENSITY; LOW TEMPERATURES; MATRIX; NANO CLAYS; NANOCOMPOSITE FOAMS; PHYSICAL BLOWING AGENTS; SEM; TEMPERATURE GRADIENT; VISCOELASTIC PROPERTIES;

BLOWING AGENTS; CELLS; COALESCENCE; CRYSTALS; DIES; EXTRUSION; FOAMS; MICROSTRUCTURE; MORPHOLOGY; NANOCOMPOSITES; NANOSTRUCTURED MATERIALS; SCANNING ELECTRON MICROSCOPY;

CYTOLOGY;

EID: 77958018025     PISSN: 08885885     EISSN: 15205045     Source Type: Journal    
DOI: 10.1021/ie101225f     Document Type: Article

References (61)

1. Vasile, C. Seymour, R. B. Handbook of Polyolefins; Marcel Dekker: New York, 1993.
2. Colton, J. S. The Nucleation of Microcellular Foams in Semi Crystalline Thermoplastics Mater. Manuf. Processes 1989, 4, 253
3. Burt, J. G. The Elements of Expansion of Thermoplastics Part II J. Cell. Plast. 1978, 14, 341
4. Park, C. B.; Cheung, L. K. A Study of Cell Nucleation in the Extrusion of Polypropylene Foams Polym. Eng. Sci. 1997, 37, 1
5. Zhai, W. T.; Wang, H. Y.; Yu, J.; Dong, J. Y.; He, J. S. Cell Coalescence Suppressed by Crosslinking Structure in Polypropylene Microcellular Foaming Polym. Eng. Sci. 2008, 48, 1312
6. Rodriǵuez-Peŕez, M. A. Crosslinked Polyolefin Foams: Production, Structure, Properties, and Applications Adv. Polym. Sci. 2005, 184, 97
7. Spitael, P.; Macosko, C. Strain Hardening in Polypropylenes and Its Role in Extrusion Foaming Polym. Eng. Sci. 2004, 44, 2090
8. Naguib, H. E.; Park, C. B.; Panzer, U.; Reichelt, N. Strategies for Achieving Ultra Low-Density PP Foams Polym. Eng. Sci. 2002, 42, 1481
9. 2 Influenced by Phase Morphology via Chain Grafting Polymer 2008, 49, 3146
10. Liu, C.; Wei, D.; Zheng, A.; Li, Y.; Xiao, H. Improving Foamability of Polypropylene by Grafting Modification J. Appl. Polym. Sci. 2006, 101, 4114
11. Han, D. H.; Jang, J. H.; Kim, H. Y.; Kim, B. N.; Shin, B. Y. Manufacturing and Foaming of High Melt Viscosity of Polypropylene by Using Electron Beam Radiation Technology Polym. Eng. Sci. 2006, 46, 431
12. Danaei, M.; Sheikh, N.; Taromi, F. A. Radiation Cross-linked Polyethylene Foam: Preparation and Properties J. Cell. Plast. 2005, 41, 551
13. Ruinaard, H. Elongational Viscosity as a Tool to Predict the Foamability of Polyolefins J. Cell. Plast. 2006, 42, 207
14. Doroudiani, S.; Park, C. B.; Kortschot, M. T. Processing and Characterization of Microcellular Foamed High Density Polyethylene/Isotactic Polypropylene Blends Polym. Eng. Sci. 1998, 38, 1205
15. Zhai, W. T.; Wang, H. Y.; Yu, J.; Dong, J. Y.; He, J. S. Foaming Behavior of Polypropylene/Polystyrene Blends Enhanced by Improved Interfacial Compatibility J. Polym. Sci. B: Polym. Phys. 2008, 46, 1641
16. Okamoto, M.; Nam, P. H.; Maiti, P.; Kotaka, T.; Nakayama, T.; Takada, M.; Ohsima, M.; Usuki, A.; Hasegawa, N.; Okamoto, H. Biaxial Flow-Induced Alignment of Silicate Layers in Polypropylene/Clay Nanocomposite Foam Nano Lett. 2001, 1, 503
17. Nam, P. H.; Maiti, P.; Okamoto, M.; Kotaka, T.; Nakayama, T.; Takada, M.; Ohshima, M.; Usuki, A.; Hasegawa, N.; Okamoto, H. Foam Processing and Cellular Structure of Polypropylene/Clay Nanocomposites Polym. Eng. Sci. 2002, 42, 1907
18. Zheng, W. G.; Lee, Y. H.; Park, C. B. Use of Nanoparticles for Improving the Foaming Behaviors of Linear PP J. Appl. Polym. Sci. 2010, 117, 2972
19. Werner, P.; Verdejo, R.; Wöllecke, F.; Altstädt, V.; Sandler, J. K. W.; Shaffer, M. S. P. Carbon Nanofibers Allow Foaming of Semicrystalline Poly(ether ether ketone) Adv. Mater. 2005, 17, 2864
20. Naguib, H. E.; Park, C. B.; Lee, P. C.; Xu, D. L. A Study on the Foaming Behaviors of PP Resins with Talc as Nucleating Agent J. Polym. Eng. 2006, 26, 565
21. Lee, M.; Tzoganakis, C.; Park, C. B. Extrusion of PE/PS Blends with Supercritical Carbon Sioxide Polym. Eng. Sci. 1998, 38, 1112
22. Lee, P. C.; Wang, J.; Park, C. B. Extruded Open-Cell Foams Using Two Semicrystalline Polymers with Different Crystallization Temperatures Ind. Eng. Chem. Res. 2006, 45, 175
23. Rachtanapun, P.; Selke, S. E. M.; Matuana, L. M. Microcellular Foam of Polymer Blends of HDPE/PP and Their Composites with Wood Fiber J. Appl. Polym. Sci. 2003, 88, 2842
24. Rachtanapun, P.; Selke, S. E. M.; Matuana, L. M. Effect of the High-Density Polyethylene Melt Index on the Microcellular Foaming of High-Density Polyethylene/Polypropylene Blends J. Appl. Polym. Sci. 2004, 93, 364
25. Reichelt, N.; Stadlbauer, M.; Folland, R.; Park, C. B.; Wang, J. PP-Blends with Tailored Foamability and Mechanical Properties Cell. Polym. 2003, 22, 315
26. Zhai, W. T.; Leung, S. N.; Wang, L.; Kuboki, T.; Park, C. B. The Effect of Nanoparticles on the Foaming Behavior of Polyolefin-Based Nanocomposites: Fundamental Issues. Curr. Opin. Solid State Mater. Sci., manuscript submitted.
27. Wang, C.; Leung, S. N.; Bussmann, M.; Zhai, W. T.; Park, C. B. Numerical Investigation of Nucleating Agent-Enhanced Heterogeneous Nucleation. Ind. Eng. Chem. Res., manuscript submitted.
28. Lee, Y. H.; Wang, K. H.; Park, C. B.; Sain, M. Effects of Clay Dispersion on the Foam Morphology of LDPE/Clay Nanocomposites J. Appl. Polym. Sci. 2007, 103, 2129
29. 2 J. Cell. Plast. 2005, 41, 487
30. Guo, G.; Wang, K. H.; Park, C. B.; Kim, Y. S.; Li, G. Effects of Nanoparticles on Density Reduction and Cell Morphology of Extruded Metallocene Polyethylene/Wood Fiber Nanocomposites J. Appl. Polym. Sci. 2007, 104, 1058
31. 2 Polym. Eng. Sci. 2003, 43, 1261
32. Zeng, C. C.; Han, X. M.; Lee, L. J.; Koelling, K. W.; Tomasho, D. L. Polymer-Clay Nanocomposite Foams Prepared Using Carbon Dioxide Adv. Mater. 2003, 15, 1743
33. Shen, J.; Zeng, C. C.; Lee, L. J. Synthesis of Polystyrene-Carbon Nanofibers Nanocomposite Foams Polymer 2005, 46, 5218
34. Yuan, M. J.; Turng, L. S.; Gong, S. Q.; Caulfield, D.; Hunt, C.; Spindler, R. Study of Injection Molded Microcellular Polyamide-6 Nanocomposites Polym. Eng. Sci. 2004, 44, 673
35. Yuan, M. J.; Song, Q.; Turng, L. S. Spatial Orientation of Nanoclay and Crystallite in Microcellular Injection Molded Polyamide-6 Nanocomposites Polym. Eng. Sci. 2007, 47, 765
36. Zheng, W. G.; Lee, Y. H.; Park, C. B. The Effects of Exfoliated Nano-Clay on the Extrusion Microcellular Foaming of Amorphous and Crystalline Nylon J. Cell. Plast. 2006, 42, 271
37. Zhai, W. T.; Yu, J.; Wu, L. C.; Ma, W. M.; He, J. S. Heterogeneous Nucleation Uniformizing Cell Size Distribution in Microcellular Nanocomposites Foams Polymer 2006, 47, 7580
38. Okamoto, M.; Nam, P. H.; Maiti, P.; Kptaka, T.; Hasegawa, N.; Usuki, A. A House of Cards Structure in Polypropylene/Clay Nanocomposites Under Elongational Flow Nano Lett. 2001, 1, 295
39. Park, J. U.; Kim, J. L.; Kim, D. H.; Ahn, K. H.; Lee, S. J. Rheological Behavior of Polymer/Layered Silicate Nanocomposites under Uniaxial Extensional Flow Macromol. Res. 2006, 14, 318
40. Koo, C. M.; Kim, J. H.; Wang, K. H.; Chung, I. J. Melt-Extensional Properties and Orientation Behaviors of Polypropylene-Layered Silicate Nanocomposites J. Polym. Sci. B: Polym. Phys. 2005, 43, 158
41. Stange, J.; Münstedt, H. Rheological Properties and Foaming Behavior of Polypropylenes with Different Molecular Structures J. Rheol. 2006, 50, 907
42. Mandelkern, L. Crystallization of Polymers; McGraw-Hill: New York, 1964.
43. Becjman, E.; Porter, R. S. Crystallization of Bisphenol a Polycarbonate Induced by Supercritical Carbon Dioxide J. Polym. Sci. B: Polym. Phys. 1987, 25, 1511
44. 2 Macromolecules 2007, 40, 73
45. 2 Macromolecules 2004, 37, 6912
46. Naguib, H. E.; Park, C. B.; Song, S. W. Effect of Dupercritical Gas on Crystallization of Linear and Branched Polypropylene Resins with Foaming Additives Ind. Eng. Chem. Res. 2005, 44, 6685
47. Almanza, O.; Rodríguez-Pérez, M. A.; Chrnev, B.; de Saja, J. A.; Zipper, P. Comparative Study on the Lamellar Structure of Polyethylene Foams Eur. Polym. J. 2005, 41, 599
48. Wunderlich, B. Macromolecular Physics, Vol. 1, Crystal Structure, Morphology, Defects; Academic Press: NewYork, 1973.
49. Almanza, O.; Rodríguez-Pérez, M. A.; De Saja, J. A. The Microstructure of Polyethylene Foams Produced by a Nitrogen Solution Process Polymer 2001, 42, 7117
50. Lertwimolnun, W.; Vergnes, B. Influence of Compatibilizer and Processing Conditions on the Dispersion of Nanoclay in a Polypropylene Matrix Polymer 2005, 46, 3462
51. Paul, D. R.; Robeson, L. M. Polymer Nanotechnology: Nanocomposites Polymer 2008, 49, 3187
52. Dennis, H. R.; Hunter, D. L.; Chang, D.; Kim, S.; White, J. L.; Cho, J. W.; Paul, D. R. Effect of Melt Processing Conditions on the Extent of Exfoliation in Organoclay-Based Nanocomposites Polymer 2001, 42, 9513
53. Leung, S. N.; Wong, A.; Guo, Q.; Park, C. B.; Zong, J. H. Change in the Critical Nucleation Radius and Its Impact on Cell Stability During Polymeric Foaming Process Chem. Eng. Sci. 2009, 64, 4899
54. Bhattacharya, S. N.; Kamal, M. R.; Gupta, R. K. Polymeric Nanocomposites: Theory and Practice; Hanser Publishers: Cincinnati, OH, 2008.
55. Mihai, M.; Huneault, M. A.; Favis, B. D. Crystallinity Development in Cellular Poly(lactic acid) in the Presence of Supercritical Carbon Dioxide J. Appl. Polym. Sci. 2009, 113, 2920
56. Avella, M.; Cosco, S.; Volpe, G. D.; Errico, M. E. Crystallization Behavior and Properties of Exfoliated Isotactic Polypropylene/Organoclay Nanocomposites Adv. Polym. Technol. 2005, 24, 132
57. 2 on crystallization kinetics of polypropylene Polym. Eng. Sci. 2001, 41, 1938
58. Lee, S. T. Foam Extrusion: Principles and Practice; Technomic: Lancaster, PA, 2000.
59. Koronfield, J. A.; Kumaraswamy, G.; Issaian, A. M. Recent Advances in Understanding Flow Effects on Polymer Crystallization Ind. Eng. Chem. Res. 2002, 41, 6383
60. Janeschitz-Kriegl, H.; Ratajsli, E.; Stadlbauer, M. Flow as an Effective Promotor of Nucleation in Polymer Melts: A Quantitative Evaluation Rheol. Acta 2003, 42, 355
61. Alizadeh, A.; Sohn, S.; Quinn, J.; Marand, H. Influence of Structural and Topological Constraints on the Crystallization and Melting Behavior of Polymers. 1. Ethylene/1-Octene Copolymers Macromolecules 1999, 32, 6221