Swelling of ultrathin crosslinked polyamide water desalination membranes

Edwin P. Chan; Allison P. Young; Jung Hyun Lee; Jun Young Chung; Christopher M. Stafford

doi:10.1002/polb.23235

Swelling of ultrathin crosslinked polyamide water desalination membranes

Edwin P. Chan, Allison P. Young, Jung Hyun Lee, Jun Young Chung, Christopher M. Stafford

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We study the water swelling behavior of semiaromatic crosslinked polyamide (PA) ultrathin films to characterize the network properties of the polymer. Specifically, we use X-ray reflectivity to measure film thickness increase and polymer density decrease of the PA films due to swelling. With the aid of a modified Flory-Rehner theory used to describe the constrained swelling behavior of polymer networks, we are able to extract the Flory interaction parameter and the monomer units between crosslinks by performing the swelling experiments at different levels of hydration.

Original language	English
Pages (from-to)	385-391
Number of pages	7
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	51
Issue number	6
DOIs	https://doi.org/10.1002/polb.23235
Publication status	Published - 2013 Mar 15
Externally published	Yes

Keywords

X-ray
crosslinking
desalination
gels
hydrogels
membranes
swelling
thermosets
thin films
water purification

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

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title = "Swelling of ultrathin crosslinked polyamide water desalination membranes",

abstract = "We study the water swelling behavior of semiaromatic crosslinked polyamide (PA) ultrathin films to characterize the network properties of the polymer. Specifically, we use X-ray reflectivity to measure film thickness increase and polymer density decrease of the PA films due to swelling. With the aid of a modified Flory-Rehner theory used to describe the constrained swelling behavior of polymer networks, we are able to extract the Flory interaction parameter and the monomer units between crosslinks by performing the swelling experiments at different levels of hydration.",

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AU - Chan, Edwin P.

AU - Young, Allison P.

AU - Lee, Jung Hyun

AU - Chung, Jun Young

AU - Stafford, Christopher M.

PY - 2013/3/15

Y1 - 2013/3/15

N2 - We study the water swelling behavior of semiaromatic crosslinked polyamide (PA) ultrathin films to characterize the network properties of the polymer. Specifically, we use X-ray reflectivity to measure film thickness increase and polymer density decrease of the PA films due to swelling. With the aid of a modified Flory-Rehner theory used to describe the constrained swelling behavior of polymer networks, we are able to extract the Flory interaction parameter and the monomer units between crosslinks by performing the swelling experiments at different levels of hydration.

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KW - crosslinking

KW - desalination

KW - gels

KW - hydrogels

KW - membranes

KW - swelling

KW - thermosets

KW - thin films

KW - water purification

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