Improvement of cell opening by maintaining a high temperature difference in the surface and core of a foam extrudate

Journal of Cellular Plastics

Volumn 43, Issue 6, 2007, Pages 431-444

  Lee, Patrick C ^a   Li, Guangming ^a   Lee, John W S ^a   Park, Chul B ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

Cell opening; CO2.; Low density; Microcellular foam; Polymer blending; Pressure drop rate

Indexed keywords

CARBON DIOXIDE; CROSSLINKING; POLYCARBONATES; POLYMER BLENDS; POLYSTYRENES; PRESSURE DROP;

CELL OPENING; EXTRUDATE TEMPERATURE; MICROCELLULAR FOAMS; SECONDARY BLOWING AGENTS;

FOAMS;

EID: 36549048061     PISSN: 0021955X     EISSN: 15307999     Source Type: Journal    
DOI: 10.1177/0021955X07079150     Document Type: Article

References (15)

1. Klempner, D. and Frisch, K.C. (1991). Handbook of Polymeric Foams and Foam Technology, Hanser Publishers, Munich, Vienna, New York, Barcelona.
2. Thomas, C.R. (1965). Br. Plastics Moulded Prod. Trader, 38: 552 - 558.
3. Chaudhary, B.I. and Barry, R.P. (1999). Extruded Noncrosslinked Foams Made From Ethylene-Stylene Interpolymer, Foams, 99: 19 - 33.
4. Kaji, K., Hatada, M., Yoshizawa, I. and Kohara, C. (1989). Preparation of Hydrophilic Polyethylene Foam of Open Cell Type by Radiation Grafting of Acrylic Acid, J. Appl. Polym. Sci., 37: 2153 - 2164.
5. Kozma, M.L., Bambara, J.D. and Hurley, R.F. (1999). U.S. Patent 5,859,076.
6. Chaudhary, B.I. and Malone, B.A. (1999). U.S. Patent 5,962,545.
7. Abe, S. (2002). U.S. Patent 6,414,047 B1.
8. Browers, S.D. and Wiegand, D.E. (1980). U.S. Patent 4,183,984.
9. Hale, W.R., Dohrer, K.K., Tant, M.R. and Sand, I.D. (2001). A Diffusion Model For Water Vapor Transmission Through Microporous Polyethylene/ CaCO3 Films, Colloids Surf. A, 187: 483.
10. Huang, Q., Seibig, B. and Paul, D. (1999). Polycarbonate Hollow Fiber Membranes by Melt Extrusion, J. Membrane Sci., 161: 287 - 291.
11. Huang, Q., Seibig, B. and Paul, D. (2000). Melt Extruded Open-Cell Mircocellular Foams for Membrane Separation: Processing and Cell Morphology Relationship, J. Cellular Plast., 36: 112 - 125.
12. Park, C.B., Padareva, V., Lee, P.C. and Naguib, H.E. (2005). Extruded Open-Celled LDPE and LDPE/PS Foams Using Non-Homogeneous Melt Structure, J. Polym. Eng., 25: 239 - 260.
13. Lee, P.C., Naguib, H.E., Park, C.B. and Wang, J. (2005). Increase of Open-Cell Content by Introducing a Secondary Blowing Agent, Polym. Eng. Sci., 45: 1445 - 1451.
14. Lee, P.C., Wang, J. and Park, C.B. (2006). Extruded Open-Cell Foams Using Two Semicrystalline Polymers with Different Crystallization Temperatures, Ind. Eng. Chem. Res., 45: 175 - 181.
15. Lee, P.C., Wang, J. and Park, C.B. (2006). Extrusion of Microcellular Open-Cell LDPE-Based Sheet Foams, J. Appl. Polym. Sci., 102: 3376 - 3384.