PAAm-Kappa Carrageenan Composites: Drying and Swelling with Various Kappa Carrageenan Contents
G. Akin Evıngüra and Ö. Pekcanb
aPiri Reis University, 34940 Tuzla, İstanbul, Turkey
bKadir Has University, 34083, Cibali, İstanbul, Turkey
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The purpose of this study is to discuss the role of kappa-carrageenan (κ-car) in the drying and swelling of polyacryl-amide (PAAm)-κ-car composite. The fluorescence intensity of pyranine increased and decreased as drying and swelling time were increased respectively for all samples. The desorption coefficient, Dd, decreased as κ-car contents were increased for a given temperature during drying. However, cooperative diffusion coefficient, Ds, increased as κ-car contents were increased during swelling at a given temperature.
DOI: 10.12693/APhysPolA.121.169
PACS numbers: 82.35.Lr, 83.80.Kn, 87.15.Vv, 87.15.Zg, 87.64.kv