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Modification Structure of Starch by Graft Copolymerization with Poly(Acrylonitrile) and Calculation Grafting Parameters

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Figure

Table 1. Grafting parameters from the graft polymerizationof arcrylonitrile onto starch at different amount of the initiator
Fig. 1. FTIR spectra of (a) the pure starch and (b) the St-g-poly(AN) copolymer
Fig. 3. Effect of Cerric Ammonium Nitrate concentration on the grafting parameters.Reaction conditions: starch 2.1 wt%, water 35.0 mL, AN 0.8 molL-1, temperature 45 °C
Fig. 7. Plot of lnRg-1/T for estimating the activation energy of the graft polymerization reaction

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