Determination of Swelling Ratio on Carboxymethyl Cellulose-Based Hydrogel Using A Central Composite Design

Abstract

This study, it was aimed to synthesize carboxymethyl cellulose-based hydrogel using citric acid as a cross linker and to evaluate its water-holding ability. The central composite design method was used to determine the optimal amounts for the synthesis of the hydrogel with its maximum water absorption capacity and to examine the main effect and interaction effect of the factors involved in the synthesis of the hydrogel. The effect of main factors such as polymer composition, sodium carboxymethyl cellulose, citric acid, and polyethylene glycol concentration (w/v%) on swelling rate was evaluated. Optimization of the product component and statistical evaluation of all data were carried out with the Minitab Statistical Software program. When the results were evaluated, it showed that the super absorbent hydrogel was produced under optimum conditions.

Keywords

• Hydrogel
• Swelling behavior
• Optimization
• Central composite design

Merkezi Bir Kompozit Tasarım Kullanılarak Karboksimetil Selüloz Temelli Hidrojelin Şişme Oranının Belirlenmesi

Abstract

Bu çalışmada, çapraz bağlayıcı olarak sitrik asit kullanılarak karboksimetil selüloz temelli hidrojel sentezlenmesi ve su tutma kabiliyetinin değerlendirilmesi amaçlanmıştır. Maksimum su emme kapasitesine sahip hidrojelin sentezi için en uygun miktarları belirlemek ve hidrojelin sentezinde yer alan faktörlerin ana etkisini ve etkileşim etkisini incelemek için merkezi kompozit tasarım metodu kullanılmıştır. Polimer bileşimi, sodyum karboksimetil selüloz, sitrik asit ve polietilen glikol 6000/10000 konsantrasyonu (%w/v) gibi ana faktörlerin şişme hızı üzerindeki etkisi değerlendirilmiştir. Ürün bileşeninin optimizasyonu ve tüm verilerin istatistiksel olarak değerlendirilmesi Minitab 17 İstatistik Yazılımı programı ile yapılmıştır. Elde edilen sonuçlar değerlendirildiğinde süper emici hidrojelin optimum koşullar altında üretildiğini göstermiştir.

Keywords

• Hidrojel
• Şişme davranışı
• Optimizasyon
• Merkezi kompozit dizayn

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