Vişne Çekirdeği İçi ile Hazırlanmış Biyokompozit Filmler ve Bazı Özelliklerinin İncelenmesi

Bu çalışmanın temel amacı, doğal bir atık olan vişne çekirdeği içi (VSK) ile yenilenebilir doğal bir biyokompozit film elde etmektir. Matris olarak akrilatlanmış epoksitlenmiş soya yağı(AESO) kullanılmıştır. Elde edilen AESO/SCK kompozit filmlerin antibakteriyel aktivite testleri, şişme-çözünürlük-su içeriği ve pH özelliklerine katkı maddesi oranının etkisi incelenmiştir. Ayrıca film numunelerinin SEM ile yüzey morfolojileri incelenmiştir. AESO/SCK filmlerinin antibakteriyel özelliğe sahip olduğu gözlenmiştir. Ayrıca, AESO/SCK kompozit filmlerin şişme oranı %0.2433 ile %4.6343 arasında bulunmuştur. AESO’nun suda çözünürlük oranı kütlece %0.1103 olarak tespit edilmiştir. Bu oran SCK oranı arttıkça artmış ve %50 SCK oranı ile %0.7380’e ulaşmıştır. AESO/SCK kompozit filmlerinin su içeriği %0.660-2.1203 aralığında değer almıştır. Hazırlanan tüm biyokompozit filmlerin, pH'ı 72 saat sonunda 7.18-7.33 aralığında olup bu değerlerin cilt pH'ı ile uyumlu olduğu görülmüştür. AESO’nun su buharı geçirgenliği ortalama 1.382x10-07 g.m/(m2*Pa*s) olarak ölçülmüştür. Kütlece %50 SCK oranı ile bu değer 5.025x10-10 g.m/(m2*Pa*s)’ne düşmüştür

Anahtar Kelimeler:

Antibakteriyel aktivite, Biyokompozit film, Vişne çekirdeği içi.

Biocomposite Films Prepared with Sour Cherry Kernel and Investigation of Some Properties

The main purpose of this study is to obtain a renewable natural biocomposite film with the sour cherry kernel (SCK), a natural waste. Biobased acrylated epoxidized soybean oil (AESO) resin was used as a composite matrix. The effect of additive ratio on antibacterial activity tests, swelling-solubility-water content, and pH properties of the obtained AESO/SCK composite films were investigated. In addition, the surface morphologies of the film samples were examined by SEM. It has been observed that AESO/SCK films have antibacterial properties. In addition, the swelling ratio of AESO/SCK composite films was found to be between 0.2433% and 4.6343%. The water solubility rate of AESO was determined as 0.1103% by weight. This ratio increased as the SCK ratio increased and reached 0.7380% with a 50% SCK ratio. The water content of AESO/SCK composite films was in the range of 0.660-2.1203%. The pH of all prepared biocomposite films was between 7.18-7.33 after 72 hours, and these values were found to be compatible with skin pH. The water vapor permeability of AESO was measured as 1.382x10-07 g.m/(m2*Pa*s) on average. With 50% SCK by weight, this value decreased to 5.025x10-10 g.m/(m2*Pa*s).

Keywords:

Antibacterial activity, Biocomposite film, Sour cherry,

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