Effect of polyHIPE porosity on its hydrodynamic properties

Several polymerized high internal phase emulsions (polyHIPE) of various porosity but the same pore diameter were prepared. It was demonstrated that the pore size distribution of void pores and interconnecting pores is similar and it can be described by a log-normal distribution. Flow-through porosit...

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Autores principales:	Rok Mravljak, Ožbej Bizjak, Matejka Podlogar, Aleš Podgornik
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	PolyHIPE Pore size distribution Hydrodynamics Permeability Pressure drop Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/aaa8922ab1554498a765519b44260a5d
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spelling	oai:doaj.org-article:aaa8922ab1554498a765519b44260a5d2021-11-24T04:23:28ZEffect of polyHIPE porosity on its hydrodynamic properties0142-941810.1016/j.polymertesting.2020.106590https://doaj.org/article/aaa8922ab1554498a765519b44260a5d2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820303330https://doaj.org/toc/0142-9418Several polymerized high internal phase emulsions (polyHIPE) of various porosity but the same pore diameter were prepared. It was demonstrated that the pore size distribution of void pores and interconnecting pores is similar and it can be described by a log-normal distribution. Flow-through porosity matches closely static porosity and the non-polymerizable fraction of initial emulsion, demonstrating an open structure of polyHIPE that allows flow through the entire porous polymer. Pulse response experiments demonstrated flow uniformity. Pressure drop analysis allowed estimation of porosity effect on permeability. Fitting of experimental data with different pressure drop models revealed that interconnecting pore diameter should be used as a characteristic dimension to describe pressure drop on polyHIPE accurately. Linear correlation between permeability and flow-through porosity demonstrated that the effect of the porous polymer structure on the flow properties is independent of porosity. This finding suggests that polyHIPE hydrodynamics does not change with porosity, facilitating prediction of their performance for various applications where flow-through mode is important.Rok MravljakOžbej BizjakMatejka PodlogarAleš PodgornikElsevierarticlePolyHIPEPore size distributionHydrodynamicsPermeabilityPressure dropPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106590- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	PolyHIPE Pore size distribution Hydrodynamics Permeability Pressure drop Polymers and polymer manufacture TP1080-1185
spellingShingle	PolyHIPE Pore size distribution Hydrodynamics Permeability Pressure drop Polymers and polymer manufacture TP1080-1185 Rok Mravljak Ožbej Bizjak Matejka Podlogar Aleš Podgornik Effect of polyHIPE porosity on its hydrodynamic properties
description	Several polymerized high internal phase emulsions (polyHIPE) of various porosity but the same pore diameter were prepared. It was demonstrated that the pore size distribution of void pores and interconnecting pores is similar and it can be described by a log-normal distribution. Flow-through porosity matches closely static porosity and the non-polymerizable fraction of initial emulsion, demonstrating an open structure of polyHIPE that allows flow through the entire porous polymer. Pulse response experiments demonstrated flow uniformity. Pressure drop analysis allowed estimation of porosity effect on permeability. Fitting of experimental data with different pressure drop models revealed that interconnecting pore diameter should be used as a characteristic dimension to describe pressure drop on polyHIPE accurately. Linear correlation between permeability and flow-through porosity demonstrated that the effect of the porous polymer structure on the flow properties is independent of porosity. This finding suggests that polyHIPE hydrodynamics does not change with porosity, facilitating prediction of their performance for various applications where flow-through mode is important.
format	article
author	Rok Mravljak Ožbej Bizjak Matejka Podlogar Aleš Podgornik
author_facet	Rok Mravljak Ožbej Bizjak Matejka Podlogar Aleš Podgornik
author_sort	Rok Mravljak
title	Effect of polyHIPE porosity on its hydrodynamic properties
title_short	Effect of polyHIPE porosity on its hydrodynamic properties
title_full	Effect of polyHIPE porosity on its hydrodynamic properties
title_fullStr	Effect of polyHIPE porosity on its hydrodynamic properties
title_full_unstemmed	Effect of polyHIPE porosity on its hydrodynamic properties
title_sort	effect of polyhipe porosity on its hydrodynamic properties
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/aaa8922ab1554498a765519b44260a5d
work_keys_str_mv	AT rokmravljak effectofpolyhipeporosityonitshydrodynamicproperties AT ozbejbizjak effectofpolyhipeporosityonitshydrodynamicproperties AT matejkapodlogar effectofpolyhipeporosityonitshydrodynamicproperties AT alespodgornik effectofpolyhipeporosityonitshydrodynamicproperties
_version_	1718416054159409152

Effect of polyHIPE porosity on its hydrodynamic properties

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