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Studium biodegradovatelných směsí škrob/polykaprolakton metodami NMR spektroskopie pevného stavu
Spěváček, Jiří ; Brus, Jiří ; Divers, T. ; Grohens, Y.
1H relaxation times T1(H) and T1.rho.(H) were measured via 13C detection on starch/polycaprolactone (PCL) and starch formate/PCL blends to characterize their morphology (domain size). From the results it follows that while blends starch/PCL are phase-separated on the scale 20-110 nm, starch formate/PCL blend is homogeneously mixed on this scale. Therefore formylation of starch significantly improves its miscibility with PCL.

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