Search Results - "GREENBERG, ALAN R."

Polymeric membranes for the hydrogen economy: Contemporary approaches and prospects for the future by Shao, Lu, Low, Bee Ting, Chung, Tai-Shung, Greenberg, Alan R.

“…Driven by the concerns over the dwindling supplies of petroleum and the dire consequences of global warming, the emergence of a hydrogen economy appears…”
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Surface-patterning of polymeric membranes: fabrication and performance by Heinz, Ozge, Aghajani, Masoud, Greenberg, Alan R, Ding, Yifu

“…•Surface patterning of polymer membranes can be an effective strategy to improve the device performances.•Both porous and dense membranes can be patterned via…”
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Influence of substrate processing and interfacial polymerization conditions on the surface topography and permselective properties of surface-patterned thin-film composite membranes by Maruf, Sajjad H., Greenberg, Alan R., Ding, Yifu

“…The influence of substrate topography and interfacial polymerization (IP) conditions were investigated during the fabrication of patterned thin-film composite…”
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Fabrication and characterization of a surface-patterned thin film composite membrane by Maruf, Sajjad H., Greenberg, Alan R., Pellegrino, John, Ding, Yifu

“…Thin film composite (TFC) membranes are critical components for reverse osmosis (RO) and nanofiltration (NF) processes. Similar to other liquid-based…”
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Surface patterning of polymeric membranes and its effect on antifouling characteristics by Ding, Yifu, Maruf, Sajjad, Aghajani, Masoud, Greenberg, Alan R.

“…Surface roughness of membranes is often perceived by many as a factor that promotes fouling during filtration, and thus is undesirable. Almost all liquid-based…”
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Thermomechanics of shape memory polymers: Uniaxial experiments and constitutive modeling by Liu, Yiping, Gall, Ken, Dunn, Martin L., Greenberg, Alan R., Diani, Julie

“…Shape memory polymers (SMPs) can retain a temporary shape after pre-deformation at an elevated temperature and subsequent cooling to a lower temperature. When…”
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Poly(ethylene chlorotrifluoroethylene) membrane formation via thermally induced phase separation (TIPS) by Roh, Il Juhn, Ramaswamy, Senthilkumar, Krantz, William B., Greenberg, Alan R.

“…▶ Flat sheet ECTFE membranes continuously TIPS-cast using dibutyl phathalate as the latent solvent. ▶ Morphologies produced ranging from isotropic to…”
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Real-Time Detection of Reverse-Osmosis Membrane Scaling via Raman Spectroscopy by Supekar, Omkar D, Brown, Joseph J, Greenberg, Alan R, Gopinath, Juliet T, Bright, Victor M

“…Scaling remains a serious barrier to membrane-based desalination. While some real-time techniques have proven effective for scaling detection, none provides…”
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Synthesis and characterization of interfacially polymerized polyamide thin films by Roh, Il Juhn, Greenberg, Alan R., Khare, Vivek P.

“…A homologous series of thin film composite (TFC) membranes was made by interfacial polymerization (IP) of trimesoyl chloride (TMC) and m-phenylenediamine…”
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Ultrasonic sensor control of flow reversal in RO desalination—Part 1: Mitigation of calcium sulfate scaling by Lu, Xiaoyun, Kujundzic, Elmira, Mizrahi, Guy, Wang, Jay, Cobry, Keith, Peterson, Michael, Gilron, Jack, Greenberg, Alan R.

“…Reverse osmosis (RO) desalination is a well-established process that removes salt from sea water or brackish water sources. However, scaling by sparingly…”
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The thermal properties of beeswaxes: unexpected findings by Buchwald, Robert, Breed, Michael D, Greenberg, Alan R

“…Standard melting point analyses only partially describe the thermal properties of eusocial beeswaxes. Differential scanning calorimetry (DSC) revealed that…”
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Ultrasonic sensor control of flow reversal in RO desalination. Part 2: Mitigation of calcium carbonate scaling by Mizrahi, Guy, Wong, Kevin, Lu, Xiaoyun, Kujundzic, Elmira, Greenberg, Alan R., Gilron, Jack

“…The use of ultrasonic time-domain reflectometry (UTDR) in combination with statistically based analysis has been utilized to provide timely warning of the…”
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Structure-property relationships in photopolymerizable polymer networks: Effect of composition on the crosslinked structure and resulting thermomechanical properties of a (meth)acrylate-based system by Ortega, Alicia M., Kasprzak, Scott E., Yakacki, Christopher M., Diani, Julie, Greenberg, Alan R., Gall, Ken

“…Photoinitiated polymer networks were formed by copolymerization of tert‐butyl acrylate with di(ethylene glycol) dimethacrylate (DEGDMA) or poly(ethylene…”
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Oxidative degradation of polyamide reverse osmosis membranes: Studies of molecular model compounds and selected membranes by Soice, Neil P., Maladono, Adrian C., Takigawa, Doreen Y., Norman, Arlan D., Krantz, William B., Greenberg, Alan R.

“…Selected aromatic amides were used to model the chemical reactivity of aromatic polyamides found in thin‐film composite reverse osmosis (RO) membranes…”
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Critical flux of surface-patterned ultrafiltration membranes during cross-flow filtration of colloidal particles by Maruf, Sajjad H., Greenberg, Alan R., Pellegrino, John, Ding, Yifu

“…Previous work has suggested that membrane patterning is a promising approach to fouling mitigation. In this systematic study, we describe performance metrics…”
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Influence of support-layer deformation on the intrinsic resistance of thin film composite membranes by Aghajani, Masoud, Wang, Mengyuan, Cox, Lewis M., Killgore, Jason P., Greenberg, Alan R., Ding, Yifu

“…It is commonly believed that the overall permeation resistance of thin film composite (TFC) membranes is dictated by the crosslinked, ultrathin polyamide…”
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Use of nanoimprinted surface patterns to mitigate colloidal deposition on ultrafiltration membranes by Maruf, Sajjad H., Wang, Liang, Greenberg, Alan R., Pellegrino, John, Ding, Yifu

“…Flux decline due to membrane fouling prevails in almost all pressure-driven liquid separations. The factors controlling fouling, ranging from surface chemistry…”
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Monitoring protein fouling on polymeric membranes using ultrasonic frequency-domain reflectometry by Kujundzic, Elmira, Greenberg, Alan R, Fong, Robin, Hernandez, Mark

“…Novel signal-processing protocols were used to extend the in situ sensitivity of ultrasonic frequency-domain reflectometry (UFDR) for real-time monitoring of…”
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Use of capacitive microsensors and ultrasonic time-domain reflectometry for in-situ quantification of concentration polarization and membrane fouling in pressure-driven membrane filtration by Zhang, Zhongxia, Bright, Victor M., Greenberg, Alan R.

“…In membrane separation processes, the presence of the concentration polarization boundary layer (CPBL) often leads to a decline in the permeate flux and an…”
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Real-time measurement of inorganic fouling of RO desalination membranes using ultrasonic time-domain reflectometry by Mairal, Anurag P, Greenberg, Alan R, Krantz, William B, Bond, Leonard J

“…Fouling is a major problem that limits the wider application of membranes for liquid separations. Progress towards improved methods for the control of this…”
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