Investigation of Swelling, Adsorption and Mechanical Properties of Sodium Acrylate Based Hydrogel and Cryogels

Bal, A. S.; Özkahraman, Bengi; Gök, Mehmet Koray; Acar, Işıl

doi:10.5505/pajes.2014.08370

Pamukkale J Eng Sci

2014

DOI: 10.5505/pajes.2014.08370

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Investigation of Swelling, Adsorption and Mechanical Properties of Sodium Acrylate Based Hydrogel and Cryogels

A. S. Bal¹,

Bengi Özkahraman²,

Mehmet Koray Gök³

et al.

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Cited by 2 publications

References 23 publications

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Removal of metal ions from aqueous solutions by chitosan-g-itaconic acid/hydrophilic nanoclay nanocomposites

Dönmez

Özyürek

Güçlü

2017

MGC

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In this work, chitosan-g-itaconic acid copolymer nanocomposites containing nanoclay (1-5%, weight ratio) were synthesized using cerium (IV) ammonium nitrate as initiator. The optimum reaction conditions were identified as chitosan/itaconic acid monomer weight ratio of 3/9 and initiator concentration of 0.003 mol/L. These reaction conditions were used as preparation of chitosan-g-itaconic acid copolymer nanocomposites. XRD analysis and grafting percentage determination were used for characterization of nanocomposites. XRD patterns of nanocomposites indicate that clay sheets are exfoliated. Grafting percentages of chitosan-g-itaconic acid copolymers were determined as about 30%. Chitosan-g-itaconic acid nanocomposites were used for the removal of heavy metal ions from aqueous solutions. The results showed that the second-order kinetic model was suitable for the adsorption of Cu(II) and Pb(II) onto chitosan-g-itaconic acid nanocomposites. The equilibrium adsorption data have been evaluated using Langmuir, Freundlich, Temkin, Dubinin-Raduskevich and Redlich-Peterson models. Langmuir isotherm model (Type 1) and Redlich-Peterson isotherms are the best-fit models for the adsorption process in this study.

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Removal of metal ions from aqueous solutions by chitosan-g-itaconic acid/hydrophilic nanoclay nanocomposites

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Özyürek

Güçlü

2017

MGC

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Hidrofilik Aşı Kopolimer Membranların Şişme Davranışının Kinetik İncelenmesi

Kurşun Baysak,

Geyik

2024

KLUJES

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Son yıllarda, çevreyle uyumlu malzeme ve süreçlerin kullanımı, biyolojik çeşitliliği koruma, su, toprak ve hava kirliliğini azaltma ve yenilenebilir kaynakları teşvik etme hedefleri doğrultusunda büyük önem kazanmıştır. Yeni çevresel sorunların ortaya çıkmasını engellemek ve mevcut problemlere çözüm bulmak da bu çabaların temel amaçları arasında yer almaktadır. Bu çalışmada, yeşil kimya malzemelerinden biyolojik olarak uyumlu polimer olarak bilinen poli (vinil alkol) (PVA), hazırlanan membranlarda destek polimer olarak tercih edilmiştir. Destek metaryeli olan PVA içerisine konulan aşı kopolimerler yine biyolojik uyumluluk gösteren polivinil alkol-aşı-poli(etilen glikol dimetakrilat) (PVA-aşı-ED) ve sodyum aljinat-aşı- poli(etilen glikol dimetakrilat) (ALG-aşı-ED) aşı kopolimerleri kullanılarak hazırlanmıştır. Termal çapraz bağlı membranların şişme davranışı pH 6’da çalışılmış, en iyi şişme oranı membran6’da %528,8 olarak bulunmuştur. Şişme sonuçlarından yararlanılarak kinetik hesaplamalar yapılmıştır.

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Investigation of Swelling, Adsorption and Mechanical Properties of Sodium Acrylate Based Hydrogel and Cryogels

Cited by 2 publications

References 23 publications

Removal of metal ions from aqueous solutions by chitosan-g-itaconic acid/hydrophilic nanoclay nanocomposites

Removal of metal ions from aqueous solutions by chitosan-g-itaconic acid/hydrophilic nanoclay nanocomposites

Hidrofilik Aşı Kopolimer Membranların Şişme Davranışının Kinetik İncelenmesi

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