Cell-to-cell Diffusion in Plastic Foaming

Modeling, Experiment, and Engineering Applications

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Pursuing advanced materials never stops. Due to small cell size, high cell population density, and uniform cell size distribution, plastic foams have been widely applied in the fields of MEMS, biomedical materials, automotive, construction, and so on. During the manufacturing of plastic foams, cell-to-cell diffusion governs the final nature, structure and density of foamed products. Thus, fundamental understanding of cell-to-cell diffusion in plastic foaming is essential. In this book, mechanisms of cell-to-cell diffusion are elucidated through the following studies. Firstly, a theoretical model was developed to simulate foam expansion and collapse of extruded filamentary foam. Secondly, the moving Finite Element Method was utilized to investigate the effects of cell-to-cell diffusion on cell coarsening and cell ripening. Thirdly, the concept of cell-to-cell diffusion was applied to predict long-term thermal insulation performance of polystyrene foam boards. This book should be useful for professionals to develop innovative foaming technology as well as for engineers to manufacture advanced foamed plastic materials.


Zhenjin Zhu


Mr. Zhenjin Zhu received his PhDs from University of Toronto,Canada and Zhejiang University, China. Before 2002, he worked as an associate Professor in Shanghai. His research focuses on plastics engineering and energy engineering. Currently, he is Chief Research Corrosion Engineer in Broadsword Corrosion Engineering, Ltd., Canada.

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LAP LAMBERT Academic Publishing


Cell-to-cell diffusion, plastic foaming, foam expansion and collapse, moving Finite Element Method, cell coarsening, cell ripening, thermal insulation performance, Modeling

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