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      A Comparison of CO 2 and N 2 Foaming Behaviors of PP in a Visualization System

      1, , 2 , 2, , 3 , , 2 ,

      International Polymer Processing

      Carl Hanser Verlag

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          Abstract

          Understanding of polypropylene (PP) foaming is critically important to reduce the weight of automotive parts. In this study, we used a batch foaming simulation system with visualization cell, to observe the foaming behaviors of PP that is blown with CO 2 and N 2 under various experimental conditions. We found that the nucleating agent content, initial temperature, pressure (i. e., gas content), and pressure drop rate during foaming have a significant effect on cell nucleation and cell growth. The cell density and the void fraction of PP foamed with CO 2 and N 2, respectively, were separately observed and compared. It was found that under the same experimental conditions, the maximum cell density of PP foamed with CO 2 was higher than that of PP foamed with N 2. However, the maximum cell density of PP foamed with CO 2 was determined to be lower than that of PP foamed with N 2, when the same gas mole numbers were employed. Based on the experimental results, optimum foaming conditions and effective processing strategies for PP-CO 2 system are suggested.

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          Most cited references 31

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          A study of cell nucleation in the extrusion of polypropylene foams

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            Strategies for achieving ultra low-density polypropylene foams

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              • Record: found
              • Abstract: not found
              • Article: not found

              Fundamental foaming mechanisms governing the volume expansion of extruded polypropylene foams

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                Author and article information

                Journal
                ipp
                International Polymer Processing
                Carl Hanser Verlag
                0930-777X
                2195-8602
                20 November 2020
                : 35
                : 5
                : 503-517
                Affiliations
                1 EHC Canada, Inc., Oshawa, ON, Canada
                2 Microcellular Plastics Manufacturing Laboratory Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada
                3 The Dow Chemical Company, Midland, MI, USA
                Author notes
                [] Correspondence address, Mail address: Chul B. Park, Microcellular Plastics Manufacturing Laboratory Department of Mechanical & Industrial Engineering University of Toronto, Toronto, Ontario, Canada M5S 3G8, E-mail: park@ 123456mie.utoronto.ca
                Article
                IPP3993
                10.3139/217.3993
                © 2020, Carl Hanser Verlag, Munich
                Page count
                References: 32, Pages: 15
                Product
                Self URI (journal page): http://www.hanser-elibrary.com/loi/ipp
                Categories
                Regular Contributed Articles

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