Dursun SARAYDIN, Şenol KUBİLAY, Kadir SELÇUK

Farklı Çapraz Bağlayıcılar Kullanarak Şişme Davranışları Ayarlanabilen P (N-İzopropilakrilamid) Hidrojellerin Sentezi ve Karakterizasyonu

Bu çalışmada, bir dizi hidrojel, serbest radikal polimerizasyonu yoluyla çeşitli dozajlarda çeşitli çapraz bağlayıcılarla N-izopropilakrilamid kullanılarak sentezlendi. Sentezlenen hidrojellerin termal ve yapısal özellikleri, termogravimetrik analizör (TGA) ve Fourier Transformasyon Kızılötesi Radyasyon (FTKR) spektroskopisi ile karakterize edildi. N, N´- Metilenbisakrilamid, etilen glikol dimetakrilat (EGDMA) polietilen glikol dimetakrilat (p (EGDMA) ve polietilen glikol diakrilat (p (EGDA) (Mn: 258, Mn: 575, Mn: 700) gibi çapraz bağlayıcıların etkisi p (NIPAM) hidrojel preparasyonunda kullanıldı ve şişme davranışı üzerindeki etkileri araştırıldı. Kullanılan çapraz bağlayıcıların moleküler kütleleri azaldıkça şişme oranının arttığı, p (EGDA)-700 kullanılarak hazırlanan hidrojelin diğer p (EGDA) çapraz bağlı p (NIPAM) hidrojellerinden daha fazla şiştiği bulundu.

Synthesis and Characterization of P (N-Isopropylacrylamide) Hydrogels withTunable Swelling Behavior Using Different Crosslinkers

In the present study, a set of hydrogels were synthesized using N-isopropylacrylamide with various cross linkers atvarious dosages via free radical polymerization. Thermal and structural properties of the synthesized hydrogels werecharacterized via thermogravimetric analyzer (TGA) and Fourier Transformation Infrared Radiation (FTIR) spectroscopy.The effect of crosslinkers such as N,N´-Methylenebisacrylamide, ethylene glycol dimethacrylate (EGDMA) polyethyleneglycol dimethacrylate (p(EGDMA), and polyethylene glycol diacrylate (p(EGDA) (Mn: 258, Mn: 575, Mn: 700) were usedin p(NIPAM) hydrogel preparation and their effect on swelling behavior was investigated. It was found that the swellingrate was increased as the molecular masses of the cross-linkers used decreased, whereas the hydrogel prepared usingp(EGDA)-700 swelled more than the other p(EGDA) crosslinked p(NIPAM) hydrogels.

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