期刊
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
卷 51, 期 6, 页码 385-391出版社
WILEY
DOI: 10.1002/polb.23235
关键词
crosslinking; desalination; gels; hydrogels; membranes; swelling; thermosets; thin films; water purification; X-ray
资金
- NIST Summer Undergraduate Research Fellowship
- National Research Council of Science & Technology (NST), Republic of Korea [2E23900] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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 FloryRehner 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. (c) 2012 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2013
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