Facile preparation of poly(acrylic acid–acrylamide) hydrogels by frontal polymerization and their use in removal of cationic dyes from aqueous solution

Li, Shengfang; Hong, Zhigang; Feng, Jiangtao; Xu, Rui; Liu, Xianli

doi:10.1016/j.desal.2011.06.056

Cited by 76 publications

(45 citation statements)

References 20 publications

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“…It is clearly discernable that the swelling proficiencies of hydrogels improved by increasing molar feed percent ratios of AM in the polymeric chains of P(AA-co-AM). Such swelling results are in compliance with previous works [5,6]. Implementing of AM monomer inside the PAA chains probably extends the polymeric fragments aligning series of amide and carboxylic functional groups contiguous as far as possible.…”

Section: Microstructural Propertiessupporting

confidence: 91%

“…Conventionally, the original PAA hydrogel possessed poor saturation adsorption capacity toward MB removal from aqueous medium just achieving 17 mg/g (inset in Fig. 1 B), as being evidenced by recent research [6]. Fascinatingly, P(AA-co-AM) hydrogels owed grand saturation adsorption capacities (AA-co-AM-20, 950 mg/g; AA-co-AM-50, 1315 mg/g; AA-co-AM-80, 1270 mg/g) exceeding that of PAA by fifty, thirty and forty folds, respectively, giving these hydrogels a priority to be super adsorbents.…”

Section: Ph Dependence and Adsorption Dynamic Studiesmentioning

confidence: 66%

“…(6) (b) t/q t = 1/(k 2 q e 2 ) + t/q e …………………………………………………………………… (7) where k 1 and k 2 represent the pseudo-first order rate constant (h -1 ) and pseudo-second order rate constant (g mg -1 h -1 ), respectively.…”

Section: Page 9 Of 46mentioning

confidence: 99%

“…A c c e p t e d M a n u s c r i p t 6 Scanning electron microscopy (SEM; JEOL JSM 840A, Japan) and atomic force microscopy (AFM; Agilent AFM 5500, USA) were used to demonstrate the morphology of various P(AA-co-AM) hydrogels.…”

Section: Morphological and Surface Charges Analysismentioning

confidence: 99%

“…For ameliorating the adsorptive behavior of poly (acrylic acid) hydrogel, acrylamide monomer had been implemented into the poly(acrylic acid) chain [4][5][6]. To our knowledge, literature suffers great leakage in discerning the influence of acrylamide feed ratios onto the physicochemical characteristics of poly(acrylic acid-co-acrylamide).…”

Section: Introductionmentioning

confidence: 98%

See 4 more Smart Citations

Does poly(acrylic acid-co-acrylamide) hydrogel be the pluperfect choiceness in treatment of dyeing wastewater? “From simple copolymer to gigantic aqua-waste remover”

Mekewi

Madkour

Darwish

et al. 2015

Journal of Industrial and Engineering Chemistry

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Section: Microstructural Propertiessupporting

confidence: 91%

Section: Ph Dependence and Adsorption Dynamic Studiesmentioning

confidence: 66%

Section: Page 9 Of 46mentioning

confidence: 99%

Section: Morphological and Surface Charges Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

See 3 more Smart Citations

Does poly(acrylic acid-co-acrylamide) hydrogel be the pluperfect choiceness in treatment of dyeing wastewater? “From simple copolymer to gigantic aqua-waste remover”

Mekewi

Madkour

Darwish

et al. 2015

Journal of Industrial and Engineering Chemistry

View full text Add to dashboard Cite

3‐Mercaptopropionic Acid–Ce(IV) Redox Couple for Preparing Cross‐Linked Gels with Moderate Swelling Ratios

Özeroğlu¹,

Özduğancι²

2012

Adv Polym Technol

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3-Mercaptopropionic acid-Ce(IV) redox couple has been demonstrated to be useful for cross-linking polymerization of acrylamide (AAm) with N,N -methylene bis(acrylamide) (MBAA). Effects of the cross-linker ratio, acid concentration, and Ce(IV) molar ratios on swelling behavior of the resulting hydrogels have been studied. These experiments show that increasing cross-linker content has greatly reduced the equilibrium swelling ratios as expected. Interestingly, the increase in the Ce(IV) concentration (n Ce(IV) = n MPA ) has resulted in a decrease in the swelling ratio. Because the thiol group in 3-mercaptosuccinic acid acts as a cross-linking agent, more cross-linking occurs with an increase in the Ce(IV) concentration and Ce(III) forming in the cross-linking polymerization reaction of AAm with MBAA may provide the formation of intermolecular complexes between amide groups in polymer chains; the swelling equilibrium ratio and swelling rate decrease with an increase in their concentrations in the cross-linking polymerization reaction of AAm with MBAA. Kinetics and equilibrium swelling values have been discussed in terms of reaction parameters. C 2012 Wiley Periodicals, Inc. Adv Polym Techn 32: E241-E248, 2013; View this article online at wileyonlinelibrary.com.

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Penicillamine–cerium(IV) initiator system for synthesis of hydrogel containing lithium methacrylate ionic groups

Özeroğlu

İpek

2018

Adv Polym Technol

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In this study, the synthesis of hydrogels of acrylamide or acrylamide and lithium methacrylate in the presence of N,N′‐methylene bis(acrylamide) as crosslinker by using penicillamine–cerium(IV) sulfate redox initiator system was studied. The effects of the amounts of lithium methacrylate at constant crosslinker concentration and the mole ratios of total monomer/crosslinker on the swelling behaviors of hydrogels in distilled water were investigated. The hydrogels containing various ionic groups, such as, LiMA, NaMA, and KMA which were used in the copolymerization reaction at constant molar ratio of ionic monomer/acrylamide = 0.67 at different ratios of nM/nMBAAm = 25, 50, 200, and 400 (nM = nIM + nAAm), were synthesized. The swelling ratios and equilibrium swelling values were compared for the hydrogels. The swelling behaviors of hydrogels were also examined in the salt and phosphate buffer solutions.

show abstract

Facile preparation of poly(acrylic acid–acrylamide) hydrogels by frontal polymerization and their use in removal of cationic dyes from aqueous solution

Cited by 76 publications

References 20 publications

Does poly(acrylic acid-co-acrylamide) hydrogel be the pluperfect choiceness in treatment of dyeing wastewater? “From simple copolymer to gigantic aqua-waste remover”

Does poly(acrylic acid-co-acrylamide) hydrogel be the pluperfect choiceness in treatment of dyeing wastewater? “From simple copolymer to gigantic aqua-waste remover”

3‐Mercaptopropionic Acid–Ce(IV) Redox Couple for Preparing Cross‐Linked Gels with Moderate Swelling Ratios

Penicillamine–cerium(IV) initiator system for synthesis of hydrogel containing lithium methacrylate ionic groups

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