Batch adsorption performance of methyl methacrylate/styrene copolymer membranes

Chiu, Hsin-Chieh; Huang, Junjie; Liu, Chia-Hung; Suen, Shing‐Yi

doi:10.1016/j.reactfunctpolym.2006.04.011

Cited by 15 publications

(7 citation statements)

References 23 publications

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“…The signals of phenyl’s protons of 3#, 2#, and 1# became weaker in comparison with the one of 4#, indicating that the phenyls of 3#, 2#, and 1# had a chemical environment different from the one of 4#. The protons of CH 2 and CH (b, a) made the polymer 4# exhibit another two clear peaks at 1.8 and 1.5 ppm (Kowalewska 2008 ); however, these protons’ chemical environments changed with the introduction of BA, and the peaks of the protons of CH and CH 2 (f, g) appeared near 1.5 ppm, which was in accordance with the findings of Chiu et al ( 2006 ). There were no peaks within the range of 3.3–4.3 ppm for the polymer 4#.…”

Section: Resultssupporting

confidence: 90%

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

Cao

2016

SpringerPlus

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Electrospun polystyrene materials have been employed as oil absorbents, but they have visible drawbacks such as poor strength at low temperature and unreliable integrity because of brittleness and insufficient cohesive force among fibers. Butyl acrylate can polymerize into flexible chains, and its polymer can be used as elastomer and adhesive material. Thereby it is possible to obtain the material that has better performance in comparison with electrospun polystyrene material through the electrospinning of the copolymer of styrene and butyl acrylate. In this work, a polymer was synthesized through suspension polymerization by using styrene and butyl acrylate as comonomers. The synthesis of the copolymer of styrene and butyl acrylate was verified through dissolution and hydrolysis experimental data; as well through nuclear magnetic resonance spectrometry. The viscous flow activation energy of the solution consisting of copolymer and N, N-dimethylformamide was determined via viscosity method and then adopted to establish the entanglement characteristics of butyl acrylate’s chain segments. Finally, in order to electrospin the copolymer solution into fibrous membrane, the effects of monomer feed ratio and spinning parameters were investigated. The prepared fibrous membrane was found to have a potential use as oil absorbent.

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Section: Resultssupporting

confidence: 90%

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

Cao

2016

SpringerPlus

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“…The dry flow ( F D ) and wet flow ( F W ) were measured. The filter flow ( F ) can be measured through Equation (4), and the pore diameter distribution ( B ) was defined by Equation (5) [19]:Ffalse(%false)=FWFD×100% Bfalse(%false)=FC−FPDP−DC×100% where D C is the permeation flux of the membrane, D P is the pore diameter of the previous operating pressure, F C is the filter flow of the current operating pressure and F P is the filter flow of the previous operating pressure.…”

Section: Experimental Methods and Materialsmentioning

confidence: 99%

Microstructure and Performance of a Porous Polymer Membrane with a Copper Nano-Layer Using Vapor-Induced Phase Separation Combined with Magnetron Sputtering

et al. 2017

Polymers

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Antibacterial metalized poly(vinylidene fluoride) (PVDF) porous membranes with a nano-layer were obtained via the method of vapor-induced phase separation combined with magnetron sputtering of copper. Magnetron sputtering has such advantages as high deposition rates, low substrate temperatures, and good adhesion of films on substrates. The influence brought by deposition time on the microstructure, hydrophobic property, copper distribution state, anti-biofouling, and permeation separation performance was investigated via atomic force microscopy (AFM), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectrometry, contact angle measurements, and capillary flow porometry, along with the porosity, water flux, protein solution flux, rejection rate, water flux recovery rate, and antibacterial property. The results showed that copper particles formed island-type deposits on the membrane surface and were embedded into cross-section pores near the surface owning to the interconnection of pores. Subsequently, the water flux and protein solution flux declined, but the rejection rate and water flux recovery rate increased. Meanwhile, Cu-coated PVDF membranes exhibited an excellent antibacterial ability.

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“…The pore diameter distribution (PDD) was measured using a capillary flow porosimetry system (CFP-1100-A*1 Porous Materials, USA) [19]. The dry flow (F d ) and wet flow (F w ) were measured and the filter flow (F f ) was calculated by equation ( 2)…”

Section: Pore Diameter Distribution Measurementmentioning

confidence: 99%

The Effect of Stretch on Multi-Pore-Structure of Ultrahigh Molecular Weight Polyethylene/SiO₂ Hybrid Hollow Fiber Membranes

Xiao

2010

High Performance Polymers

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Ultrahigh molecular weight polyethylene/SiO2 hybrid hollow fiber membranes were prepared by thermally induced phase separation (TIPS), using mineral oil as the diluent and SiO2 as the additive. The influences of heat-treatment, drawing ratio and drawing temperature on melting behavior, crystallization, multi-pore-structure (MPS) and porosity were investigated. The results of this study demonstrated that the original crystal grains became more perfect and that new micro crystallites were produced through heat treatment. Defects were more easily formed by the micro crystallites in cold stretching. Heat treatment also made the pores contract. The MPS including TIPS pore, stretching pore and interfacial microvoid was constructed after stretching. A model of interfacial microvoid was built. The model indicated that the area of interfacial microvoid increased as the drawing ratio became larger, reaching a maximum at a certain drawing ratio. Values above this maximum drawing ratio made no contribution to further increase the triangular area of interfacial microvoid but made many TIPS pores close. As the drawing ratio increased, the pore diameter ( PD) and total pore fraction ( TPF ) of the stretched pores increased whereas the TPF of the TIPS pores decreased. The pore diameter distribution ( PDD) and the porosity resulted from the joint effect of multiple pores. Without stretching, the porosity was slight due to the pores contracting, and it increased as the drawing ratio became larger, reaching a maximum at a drawing ratio of 5 times.

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Batch adsorption performance of methyl methacrylate/styrene copolymer membranes

Cited by 15 publications

References 23 publications

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

Microstructure and Performance of a Porous Polymer Membrane with a Copper Nano-Layer Using Vapor-Induced Phase Separation Combined with Magnetron Sputtering

The Effect of Stretch on Multi-Pore-Structure of Ultrahigh Molecular Weight Polyethylene/SiO₂ Hybrid Hollow Fiber Membranes

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Batch adsorption performance of methyl methacrylate/styrene copolymer membranes

Cited by 15 publications

References 23 publications

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

The electrospinning of the copolymer of styrene and butyl acrylate for its application as oil absorbent

Microstructure and Performance of a Porous Polymer Membrane with a Copper Nano-Layer Using Vapor-Induced Phase Separation Combined with Magnetron Sputtering

The Effect of Stretch on Multi-Pore-Structure of Ultrahigh Molecular Weight Polyethylene/SiO 2 Hybrid Hollow Fiber Membranes

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The Effect of Stretch on Multi-Pore-Structure of Ultrahigh Molecular Weight Polyethylene/SiO₂ Hybrid Hollow Fiber Membranes