Cell Morphology and Open-cell Behavior of PS in Compound Force Field

doi:10.19491/j.issn.1001-9278.2008.08.014

China Plastics ›› 2008, Vol. 22 ›› Issue (08): 63-67 .DOI: 10.19491/j.issn.1001-9278.2008.08.014

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Cell Morphology and Open-cell Behavior of PS in Compound Force Field

LI Bing，ZHOU Nan-qiao，WEN Sheng-ping

1 .Machine and Vehicle Institute, Zhuhai Campus of Beijing Institute of Technology, Zhuhai 519085，China;2. The Key Lab of Polymer Processing Engineering, Ministry of Education, National Engineering Research Center ofNovel Equipment for Polymer Processing, South China University of Technology, Guangzhou 510641，China

Received:2008-01-28 Revised:1900-01-01 Online:2008-08-26 Published:2008-08-26

Abstract

Abstract: Using a home-made dynamic simulation foaming extrusion equipment，experiments of PS micro-foaming were carried out with different temperature, pressure, and force fields. Microccllular structure of PS was obtained at 8 MPa. The temperature necessary for producing open-cells was found to be
150℃，160℃，and 165℃for pressures of 16 MPa,12 MPa, and 10 MPa, respectively. The addition of a vibration force field improved the cell nucleation.八t the same time, the vibration lowered the opcncell temperature. The open-cell temperature would be lower when the amplitude and frequency wereimproved.

Key words: polystyrene, microccllular plastics, cell morphology, vibration force field

LI Bing, ZHOU Nan-qiao, WEN Sheng-ping. Cell Morphology and Open-cell Behavior of PS in Compound Force Field[J]. China Plastics, 2008, 22(08): 63-67 .

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Cell Morphology and Open-cell Behavior of PS in Compound Force Field

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