PP/PS/PMMA Ternary Blend Foaming Using Supercritical CO2

Rahida Wati Sharudin; Habsah Alwi; Masahiro Ohshima

doi:10.4028/www.scientific.net/AMR.701.17

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 701PP/PS/PMMA Ternary Blend Foaming Using...

PP/PS/PMMA Ternary Blend Foaming Using Supercritical CO₂

Abstract:

The aim of this work is to study controllability of cell structure of foam by a Polypropylene (PP)/Polystyrene (PS)/ Polymethyl methacrylate (PMMA) ternary polymer blend. The effects of different polymer matrix, its blend morphology, and rheology on the cell structure of the ternary blend foam were investigated. The batch pressure quenched foaming of the ternary blend with supercritical carbon dioxide (CO₂) was conducted in the temperature range from 60 to 160°C for PP matrix and 60 to 140°C for PS and PMMA matrices to observe the controllability of bubble location and size. The experimental results showed that interfacial tension, foaming temperature, and viscoelasticity are the important factors to control the cellular structure in ternary blend system.

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Periodical:

Advanced Materials Research (Volume 701)

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17-22

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.701.17

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Online since:

May 2013

Authors:

Rahida Wati Sharudin, Habsah Alwi, Masahiro Ohshima

Keywords:

Bubble Nucleation, Foaming, Interfacial Tension, Ternary Polymer Blend

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