Abstract
In this study, isotactic polybutene-1 (iPB) was functionalized with glycidyl methacrylate (GMA) using di-tert-butyl peroxide as an initiator via a radical-initiated melt grafting reaction, while styrene (St) was used as a comonomer to enhance the grafting reaction. The effect of temperature, concentration of initial GMA and peroxide, and the addition of St comonomer on the final grafting degree, grafting efficiency, and the melt flow rate of the grafted polymer were studied. The results indicated that St was an effective comonomer. Moreover, the GMA grafted iPB had higher crystallization temperature and faster crystallization rate compared with the unmodified iPB based on the differential scanning calorimetric tests.
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