Properties of cellulose/PAN blend membrane

He, Chunju; Pang, Fengjian

doi:10.1002/app.10021

Cited by 7 publications

(5 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The lowest amount of Δb occurred at 30% and 60% of CA content, so it agrees with the previous results. [16][17][18] All the Δb values listed in Table II are negative, which indicate that these blends are not miscible 19 and prove that Δb can be a good criterion for this blend solution.…”

Section: Resultsmentioning

confidence: 99%

Investigation on polyacrylonitrile/cellulose acetate blends

Barani

Bahrami

2007

Macromol. Res.

View full text Add to dashboard Cite

The molecular interactions of polyacrylonitrile (PAN) and cellulose acetate (CA) were investigated thoroughly via dilute solution viscometry in dimethylformamide (DMF) as a common solvent at 30 o C. The intrinsic viscosities and viscometric interaction parameters were experimentally determined for both binary (polymer/ dimethylformamide) and ternary (PAN/CA/dimethylformamide) systems. As all investigated PAN/CA ternaries evidenced negative viscometric interaction parameter values (Δb & Δk < 0), the existence of repulsive intermolecular interactions was deduced, and PAN/CA blends were assigned as immiscible. Moreover, the results of microscopy photograph analysis indicated that pure PAN film evidences a homophasic structure, and the size of the phase domain increases gradually with increases in CA. In DSC analysis, it was determined that the glass transition temperature of the blend film increased slightly with increases in the CA content of the blend film.

show abstract

Section: Resultsmentioning

confidence: 99%

Investigation on polyacrylonitrile/cellulose acetate blends

Barani

Bahrami

2007

Macromol. Res.

View full text Add to dashboard Cite

show abstract

“…with polyethylvinylacetate (Girija et al 2010). Likewise, regenerated cellulose grades are blended with synthetic polymers in solutions using new kinds of non-aqueous solvent systems, like N-methyl-2-pyrrolidinone/Lithium chloride (Schartel et al 1996) or N,N-dimethylacetamide/Lithium chloride (Nishio and Manley 1988;Nishio et al 1989) for blending cellulose with polyvinylalcohol, and dimethyl sulfoxide/para-formaldehyde for blending cellulose with poly-vinylpyrrolidone (Masson and Manley 1991a), poly-4-vinylpyridine (Masson and Manley 1991b), or polyacrylonitrile (He et al 2002).…”

Section: Introductionmentioning

confidence: 99%

Blending cellulose with polyethylene-co-acrylic acid in alkaline water suspension

et al. 2012

View full text Add to dashboard Cite

Alkaline solutions of cellulose and polyethylene-co-acrylic acid (PE-co-AA) were mixed in order to prepare homogeneous cellulose/PE-co-AA blends. Different mixing methods were tested and the evolution of solutions was characterized by rheological methods and optical microscopy. In addition to the solution stage studies, the precipitated dry blends were characterized by Differential Scanning Calorimetry, Scanning Electron Microscopy, Fourier Transform Infrared and Dynamic Mechanical Analysis. Mixing the solutions led to the formation of a suspension, consisting of PE-co-AA particles dispersed evenly throughout the cellulose solution. Based on the conducted studies, it became clear that a uniform quality and the best mixing were attained with a method in which the suspension was frozen and melted between the mixing. In dry blends the polymers were found to be mixed on 1 lm scale, and the crystallization temperature of the PE-co-AA phase was increased *6°C due to the nucleation ability of the cellulose phase.

show abstract

“…As seen in this figure, the MC-g-MMA copolymer membrane has about 30%, 70%, and 60% higher FRR values than the PAN, PES, and PVDF control membranes, respectively. [26,27] These results indicate that the MC-g-MMA copolymer membrane has an enhanced protein resistance because of a reduction in protein adsorption, brought about by an increase in water affinity arising from the greater hydrophilicity of MC-g-MMA. The results also prove that the MC-g-MMA copolymer could be a good alternative high-performance material for the fabrication of separation membranes.…”

Section: Mc-g-mma Ultrafiltration Membranesmentioning

confidence: 93%

Preparation of a Methylcellulose‐graft‐Methyl Methacrylate Copolymer as an Ultrafiltration Membrane Material

Ahn

Tak

Kwon

2015

Macromolecular Symposia

View full text Add to dashboard Cite

Summary: A porous membrane was successfully prepared via the phase-inversion process from casting solutions consisting of a methylcellulose-graft-methyl methacrylate (MCMMA) copolymer, N,N-dimethylacetamide, and polyvinylpyrrolidone (PVP). The copolymer MCMMA was synthesized by cerium ion-initiated redox polymerization and then used in the preparation of ultrafiltration membranes. Successful graft copolymerization was confirmed by Fourier transform infrared spectrometry (FT-IR), 1 H nuclear magnetic resonance spectroscopy (NMR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The grafting of methycellulose rendered the polymer soluble in organic solvents such as DMAc, which aided the preparation of the membrane dope solution. Membranes were fabricated with different proportions of PVP as the pore-forming agent, and bovine serum albumin rejection and resistance of the membranes to protein solutions were investigated. Thus, a novel membrane material is proposed for fabricating ultrafiltration membranes used in water treatment.

show abstract

Properties of cellulose/PAN blend membrane

Abstract: ABSTRACT:The water flux of a cellulose/PAN blend membrane increased with the PAN content, while retention to glucosan T40 decreased. The water flux decreased and the retention increased with the whole solid content. The membrane obtained had a high ability to remove creatinine and urea.

Cited by 7 publications

References 15 publications

Investigation on polyacrylonitrile/cellulose acetate blends

Investigation on polyacrylonitrile/cellulose acetate blends

Blending cellulose with polyethylene-co-acrylic acid in alkaline water suspension

Preparation of a Methylcellulose‐graft‐Methyl Methacrylate Copolymer as an Ultrafiltration Membrane Material

Contact Info

Product

Resources

About