The effects of extensional stresses on the foamability of polystyrene-talc composites blown with carbon dioxide

Chemical Engineering Science

Volumn 75, Issue , 2012, Pages 49-62

  Wong, Anson ^a   Park, Chul B ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

Extensional stress; Nucleation; Plastic foam; Polystyrene; Talc; Visualization

Indexed keywords

CELL DENSITY; EXTENSIONAL STRAIN; EXTENSIONAL STRESS; FOAMABILITY; FOAMING PROCESS; HETEROGENEOUS NUCLEATION; IN-SITU; TALC PARTICLES; WEIGHT CONTENT;

CARBON DIOXIDE; CELLS; CYTOLOGY; FLOW VISUALIZATION; FOAMED PLASTICS; NUCLEATION; POLYSTYRENES; STRAIN RATE; SURFACE TREATMENT; VISUALIZATION;

TALC;

EID: 84860572338     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2012.02.040     Document Type: Article

References (50)

1. Albalak R.J., Tadmor Z., Talmon Y. Polymer melt devolatilization mechanisms. AIChE J. 1990, 36:1313-1320.
2. Apfel R.E. Vapor nucleation at a liquid-liquid interface. J. Chem. Phys. 1971, 54:62-63.
3. Blander M., Katz J.L. Bubble nucleation in liquids. AIChE J. 1975, 21:833-848.
4. Chen L., Blizard K., Straff R., Wang X. Effect of filler size on cell nucleation during foaming process. J. Cell. Plast. 2002, 38:139-148.
5. Cole R. Boiling nucleation. Adv. Heat Transfer 1974, 85-166.
6. Collias D.I., Baird D.G. Impact behavior of microcellular foams of polystyrene and styrene-acrylonitrile copolymer, and single-edge-notched tensile toughness of microcellular foams of polystyrene, styrene-acrylonitrile copolymer, and polycarbonate. Polym. Eng. Sci. 1995, 35:1178-1183.
7. Colton J.S. Nucleation of microcellular foams in semi-crystalline thermoplastics. Mater. Manuf. Processes 1989, 4:253-262.
8. Colton J.S., Suh N.P. Nucleation of microcellular thermoplastic foam with additives: part I: theoretical considerations. Polym. Eng. Sci. 1987, 27:485-492.
9. Colton J.S., Suh N.P. Nucleation of microcellular thermoplastic foam with additives: part II: experimental results and discussion. Polym. Eng. Sci. 1987, 27:493-499.
10. Doroudiani S., Park C.B., Kortschot M.T. Processing and characterization of microcellular foamed high-density polyethylene/isotactic polypropylene blends. Polym. Eng. Sci. 1998, 38:1205-1215.
11. Fisher J.C. The fracture of liquids. J. Appl. Phys. 1948, 19:1062-1067.
12. Fletcher N.H. Size effect in heterogeneous nucleation. J. Chem. Phys. 1958, 29:572-576.
13. Gibbs J.W. The Scientific Papers of J. Willard Gibbs, Volume 1 1961, Dover Publications Inc., New York.
14. Han C.D., Kim Y.W., Malhotra K.D. Study of foam extrusion using a chemical blowing agent. J. Appl. Polym. Sci. 1976, 20:1583-1595.
15. Hansen R.H., Martin W.M. Novel methods for the production of foamed polymers: nucleation of dissolved gas by localized hot spots. Ind. Eng. Chem. Prod. Res. Dev. 1964, 3:137-141.
16. Jiang X.L., Bao J.B., Liu T., Zhao L., Xu Z.M., Yuan W.K. Microcellular foaming of polypropylene/clay nanocomposites with supercritical carbon dioxide. J. Cell. Plast. 2009, 45:515-538.
17. Kabumoto, A., Yoshida, N., Itoh, M., Okada, M., 1998. Light Reflection Plate. US Patent 5844731.
18. 2 foaming. Chem. Eng. Sci. 2011, 66:3675-3686.
19. Kuboki T., Lee Y.H., Park C.B., Sain M. Mechanical properties and foaming behavior of cellulose fiber reinforced high-density polyethylene composites. Polym. Eng. Sci. 2009, 49:2179-2188.
20. Lee J.W.S., Park C.B. Use of nitrogen as a blowing agent for the production of fine-celled high-density polyethylene foams. Macromol. Mater. Eng. 2006, 291:1233-1244.
21. Lee S.H., Zhang Y., Kontopoulou M., Park C.B., Wong A., Zhai W.T. Optimization of dispersion of nanosilica particles in a PP matrix and their effect on foaming. Int. Polym. Process. 2011, 26:11.
22. 2. J. Cell. Plast. 2005, 41:487-502.
23. Leung S.N., Park C.B., Li H. Numerical simulation of polymeric foaming processes using modified nucleation theory. Plast. Rubber Compos. 2006, 35:93-100.
24. Leung S.N., Wong A., Park C.B., Zong J.H. Ideal surface geometries of nucleating agents to enhance cell nucleation in polymeric foaming processes. J. Appl. Polym. Sci. 2008, 108:3997-4003.
25. Leung S.N., Wong A., Wang C., Park C.B. Mechanism of extensional stress-induced cell formation in polymeric foaming processes with the presence of nucleating agents. J. Supercrit. Fluids 2012, 63:187-198.
26. Li, G., Wang, J., Park, C.B., Moulinie, P., Simha, R., 2004. Comparison of SS-based and SL-based estimation of gas solubility. In: Proceedings of the Annual Technical Conference. Society of Plastics Engineers, Chicago, IL, pp. 2566-2575.
27. Matuana L.M., Park C.B., Balatinecz J.J. Processing and cell morphology relationships for microcellular foamed PVC/wood-fiber composites. Polym. Eng. Sci. 1997, 37:1137-1147.
28. Michaeli W., Flórez L., Obeloer D., Brinkmann M. Improving the impact behaviour of structural foams. Cell. Polym. 2009, 28:269-287.
29. Naguib H.E., Park C.B., Lee P.C. Effect of talc content on the volume expansion ratio of extruded PP foams. J. Cell. Plast. 2003, 39:499-511.
30. Okamoto M., Nam P.H., Maiti P., Kotaka T., Nakayama T., Takada M., Ohshima M., Usuki A., Hasegawa N., Okamoto H. Biaxial flow-induced alignment of silicate layers in polypropylene/clay nanocomposite foam. Nano Lett. 2001, 1:503-505.
31. Park C.B., Baldwin D.F., Suh N.P. Effect of the pressure drop rate on cell nucleation in continuous processing of microcellular polymers. Polym. Eng. Sci. 1995, 35:432-440.
32. 2 and isopentane. Cell. Polym. 1998, 17:221-251.
33. Pilla S., Kim S.G., Auer G.K., Gong S., Park C.B. Microcellular extrusion-foaming of polylactide with chain-extender. Polym. Eng. Sci. 2009, 49:1653-1660.
34. Pilla S., Kramschuster A., Gong S., Chandra A., Turng L.S. Solid and microcellular polylactide-carbon nanotube nanocomposites. Int. Polym. Process. 2007, 22:418-428.
35. Pilla S., Kramschuster A., Lee J., Clemons C., Gong S., Turng L.S. Microcellular processing of polylactide-hyperbranched polyester-nanoclay composites. J. Mater. Sci. 2010, 45:2732-2746.
36. Ramesh N.S., Rasmussen D.H., Campbell G.A. Heterogeneous nucleation of microcellular foams assisted by the survival of microvoids in polymers containing low glass transition particles. Part I: mathematical modeling and numerical simulation. Polym. Eng. Sci. 1994, 34:1685-1697.
37. Ramesh N.S., Rasmussen D.H., Campbell G.A. Heterogeneous nucleation of microcellular foams assisted by the survival of microvoids in polymers containing low glass transition particles. Part II: experimental results and discussion. Polym. Eng. Sci. 1994, 34:1698-1706.
38. Saiz-Arroyo C., Escudero J., Rodriguez-Perez M.A., de Saja J.A. Improving the structure and physical properties of LDPE foams using silica nanoparticles as an additive. Cell. Polym. 2011, 30:63-78.
39. Seeler K.A., Kumar V. Tension-tension fatigue of microcellular polycarbonate: initial results. J. Reinf. Plast. Compos. 1993, 12:359-376.
40. Shen J., Han X., Lee L.J. Nanoscaled reinforcement of polystyrene foams using carbon nanofibers. J. Cell. Plast. 2006, 42:105-126.
41. Shimbo M., Baldwin D.F., Suh N.P. Viscoelastic Behavior of Microcellular Plastics 1992, ACS, Washington DC, USA, (pp. 512-513).
42. Shimbo M., Higashitani I., Miyano Y. Mechanism of strength improvement of foamed plastics having fine cell. J. Cell. Plast. 2007, 43:157-167.
43. Suh K.W., Park C.P., Maurer M.J., Tusim M.H., De Genova R., Broos R., Sophiea D.P. Lightweight cellular plastics. Adv. Mater. 2000, 12:1779-1789.
44. 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. 2010, 49:12783-12792.
45. Wilt P.M. Nucleation rates and bubble stability in water-carbon dioxide solutions. J. Colloid Interface Sci. 1986, 112:530-538.
46. Wong A., Chu R.K.M., Leung S.N., Park C.B., Zong J.H. A batch foaming visualization system with extensional stress-inducing ability. Chem. Eng. Sci. 2011, 66:55-63.
47. Wong A., Leung S.N., Li G.Y.G., Park C.B. Role of processing temperature in polystyrene and polycarbonate foaming with carbon dioxide. Ind. Eng. Chem. Res. 2007, 46:7107-7116.
48. 2. Polym. Eng. Sci. 2003, 43:1378-1390.
49. Yang H.-H., Han C.D. Effect of nucleating agents on the foam extrusion characteristics. J. Appl. Polym. Sci. 1984, 29:4465-4470.
50. Zhai W., Yu J., Wu L., Ma W., He J. Heterogeneous nucleation uniformizing cell size distribution in microcellular nanocomposites foams. Polymer 2006, 47:7580-7589.