Fundamental mechanisms of cell nucleation in polypropylene foaming with supercritical carbon dioxide—Effects of extensional stresses and crystals

A Wong, Y Guo, CB Park - The Journal of Supercritical Fluids, 2013 - Elsevier
This study aims to elucidate the fundamental mechanisms of extensional stress-induced
foaming phenomena by in situ observation of polypropylene foaming processes using a …

The synergy of supercritical CO2 and supercritical N2 in foaming of polystyrene for cell nucleation

A Wong, LH Mark, MM Hasan, CB Park - The Journal of Supercritical Fluids, 2014 - Elsevier
This study examines the foaming behaviour of polystyrene (PS) blown with supercritical CO
2–N 2 blends. This is achieved by observing their foaming processes in situ using a …

Rheological properties of HDPE and LDPE at the low-frequency range under supercritical CO2

C Wan, G Sun, T Liu, M Esseghir, L Zhao… - The Journal of …, 2017 - Elsevier
The effects of temperature, pressure (using helium as the pressurizing medium) and
dissolved CO 2 concentration on the rheological properties of linear high-density …

In situ observation of plastic foaming under static condition, extensional flow and shear flow

AST Wong - 2012 - library-archives.canada.ca
Abstract<? Pub Inc> Traditional blowing agents (eg, hydrochlorofluorocarbons) in plastic
foaming processes has been phasing out due to environmental regulations. Plastic foaming …

Development of innovative gas-assisted foam injection molding technology

PU Jung - 2013 - library-archives.canada.ca
Injection molding technology is utilized for a wide range of applications from mobile phone
covers to bumper fascia of automotive vehicles. Foam injection molding (FIM) is a branched …

Fundamental mechanisms of cell nucleation in plastic foam processing

A Wong, CB Park - Foam extrusion: principles and practice, 2014 - api.taylorfrancis.com
Nucleation is the formation of a new phase from a bulk phase and is a commonly observed
phenomenon in both nature and technology. It can be considered as the first-order phase …

[CYTOWANIE][C] 微发泡聚合物材料的研究进展

赵**创, 欧阳春发, 相旭, 高群 - 化工进展, 2016