Spontaneous water cleanup using an epoxy-based polymer monolith

Kubo, Takuya; Tominaga, Yoshihiro; Yasuda, Koji; Fujii, Sota; Watanabe, Fuminori; Mori, Tomoko; Kakudo, Yuzuru; Hosoya, Ken

doi:10.1039/c0ay00102c

Cited by 10 publications

(8 citation statements)

References 18 publications

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“…For example, the mixture of 1-decanol and cyclohexanol was extensively used for preparation of polymer monoliths based on copolymer of methacrylate 7 or styrene. The solubility parameter of PEG had an inuence on the formation of 3D bicontinuous skeleton, however, it was not the only factor that determined the exact mechanism of morphology variety; Takuya et al 17 have tried to control the structures of epoxy-based monoliths by changing the polymerization conditions such as the monomer to porogen ratio, content of the curing agent, and polymerization temperature. The change of the ratio of these two compounds caused the shi of the pore size distribution, which was an effective method for controlling the pore diameters.…”

Section: Introductionmentioning

confidence: 99%

Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure

Zhou

et al. 2015

RSC Adv.

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To explore a clear formation mechanism of a three-dimensional (3D) bicontinuous skeleton and control the structure of an epoxy-based monolith, we have prepared the monolith using a mixture of good and poor solvents. The influences of reaction and phase separation parameters, such as molecular weights and content of porogenic poor solvents, porogenic good solvent concentration, equivalent ratio of epoxy group to amine and reaction temperature on the final morphology are systematically studied by monitoring the reaction process with differential scanning calorimetry (DSC) and observing the cloud points (CP). Depending on the above parameters, the resultant morphology can be varied ranging from closed pore structure to globules aggregated structure, which was controlled by the competitive kinetics between the domain coarsening and the structure freezing. The optimized monoliths with uniform and controllable pores have great potential for application in chromatographic separation, membrane filters, and membrane emulsification.

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Section: Introductionmentioning

confidence: 99%

Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure

Zhou

et al. 2015

RSC Adv.

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“…Usually, epoxide‐functionalized monoliths are mainly synthesized from glycidyl methacrylate and ethylene glycol dimethacrylate by free radical polymerization, which leads to throughpores with widths in the range of 1–2 μm 4, 6, 8, 26. However, Hosoya and co‐workers27–33 prepared monoliths by a polycondensation reaction of an polyglycidyl ether as epoxy compound with an amine and even monoliths synthesized by ring‐opening metathesis polymerization are known 34. Weller et al35 introduced a new method based on self‐polymerization of polyglycidyl ethers (Figure 1), whose simplified reaction scheme is sketched in Figure 2.…”

Section: Introductionmentioning

confidence: 99%

Oligoepoxide‐Based Monoliths: Synthesis and Application as Affinity Capillary Column for Enrichment of Immunoglobulin G

Pecher

Zimathies

Weller

2012

Macro Chemistry & Physics

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A series of new epoxide‐based monoliths is synthesized by self‐polymerization of polyglycerol polyglycidyl ether as porous support for affinity chromatography. Porosity and mean pore sizes are investigated as a function of the porogen ratio and analyzed by mercury porosimetry. The morphologies are visualized by environmental scanning electron microscope. With a particularly rigid monolith prepared with 75 vol% porogen (66% porosity and 12 μm mean pore size), a capillary column (0.5 mm ID) is prepared and directly functionalized with recombinant protein A to extract immunoglobulin G from rabbit serum.

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“…This is unimaginable from nicely controlled 3D skeletal structure, The monolithic polymer did not directly contribute the improvement in high column efficiency. However a kind of joke revealed that reverse "J" letter shape of the rod type monolithic polymer purified dirty water including sludge spontaneously involving anti−bacterial effect [57]. The driving power of liquid flow was capillary action and rather large sand or sludge was excluded by micron−size through pores by filtration.…”

Section: Contribution Of Molecularly Imprinted Packing Materialsmentioning

confidence: 99%

Simple LC using New Macroporous Polymers

Hosoya

2013

Chromatography

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New macroporous polymers have been prepared based on two different "platforms" to simplify rather complicated pretreatment processes for LC analyses. For example, uniformly sized, molecularly imprinted polymer particles modified with sulfonic acids on outer surface easily removed humic acids in environmental water sample to improve detectability of really low level of the target molecule. Nicely controlled, 3D skeletal co−continuous polymers (monolithic polymer) have been prepared using visco−elastic phase separation mechanism as well as the utilization of epoxy monomers and a diamine. In addition, a hydrophilic monolithic media based on ethylene oxide units simplified affinity chromatography through avoiding non−specifically bound proteins even if those were utilized in protein lysate. All the macroporous polymers have contributed to simple and accurate LC analyses.

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Spontaneous water cleanup using an epoxy-based polymer monolith

Cited by 10 publications

References 18 publications

Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure

Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure

Oligoepoxide‐Based Monoliths: Synthesis and Application as Affinity Capillary Column for Enrichment of Immunoglobulin G

Simple LC using New Macroporous Polymers

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