Abstract
In order to introduce a masked isocyanate functional group into ethylene propylene copolymer (EPM), methacryloyl carbamate (MAC) was synthesized. Grafting of MAC onto EPM was performed by the solution process with the addition of dicumyl peroxide (DCP) as an initiator. The efficiency of grafting tends to decrease with increasing MAC or DCP content and increasing the polarity of solvent; the optimal condition for the present reaction system appeared to be at a low DCP level, a moderate MAC loading and nonpolar solvent. In dynamic rheological measurement, significant degradation and crosslinking of EPM do not arise during the grafting reaction.
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