Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 532, Issue -, Pages 18-25Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2017.07.049
Keywords
Gelatin; Poly(vinyl alcohol); DSC; SAXS; Rheology; Ternary diagram
Categories
Funding
- CSGI
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This paper reports on a physico-chemical investigation of gelatin and PVA hydrogels and aqueous solutions, aiming at clarifying the interactions between the two polymers in water. The stability of gelatin/PVA/water mixtures was investigated and a ternary phase diagram was evaluated. The morphology, thermal behaviour and structure of selected gelatin/PVA/water samples were studied using several techniques, including scanning electron microscopy, differential scanning calorimetry, small angle X-ray scattering and rheology. The obtained results indicate that gelatin and PVA interact weakly and the behaviour of the mixed system is mainly dictated by their different interaction with water.
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