Ramiz BOY, Mohamed BOURHAM, Richard KOTEK

Selüloz ve Soya Proteininin Gama Işınlanmış Solüsyonlarından Hazırlanan Karışım Filmler

Selüloz ve soya proteini izolatının harman çözeltileri, bir amin/tuz çözücü sistemi kullanılarak hazırlandı. Gama ışınıyla ışınlanan çözeltilerden harman filmlerin oluşturulmuş ve ışınlanmamış filmlerden daha kararlı moleküler ağa sahip oldukları gözlenmiştir. Işınlama bağlı olarak, kızılötesi spektroskopi ile analiz edilen iki polimer arasındaki etkileşimler değişti ve yayıldı. Termal analiz, ışınlanmış ve ışınlanmamış çözeltilerden oluşturulan filmler arasında küçük termal kararlılık farkları gösterdi. 10 kGy ışınlama dozu uygulanan solüsyonlardan elde edilen filmler kopmada daha yüksek uzama göstermiştir. Dahası, filmlerin şeffaflıkları azaldığı gözlendi. Şeffaflıklarındaki değişime rağmen, filmler, gama ışımasının moleküler yapı üzerindeki etkisi dolayısıyla daha az su emdiler.

Anahtar Kelimeler:

Gama Işınımı, Karışım filmler, Selüloz, Soya Proteini

Blend Films of Cellulose and Soy Protein Isolate Prepared from Gamma Irradiated Solutions

Blend solutions of cellulose and soy protein isolate were prepared by utilizing an amine/salt solvent system. The solutions were gamma irradiated before casting blend films that have more stable molecular network than the ones cast from non-irradiated solutions. Due to irradiation, the interactions between the two polymers altered and shifted that were analyzed by infrared spectroscopy. The thermal analysis showed small differences of thermal stability between the films formed from irradiated and non-irradiated solutions. Up to 10 kGy irradiation dose on the solutions, the resulting films exhibited higher elongation at break. Furthermore, their transparency lowered. Despite their transparency, the films absorbed less water indicating the effect of gamma irradiation on the molecular structure.

Keywords:

Blend film, Cellulose, Gamma irradiation, Soy Protein,

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