CAJ | 학술논문

研究了一系列不同含量的SBS与聚丙烯的共混物的辐射硫化效应。辐照一定剂量后，由于辐射交联和裂解的进行，使PP/SBS的流变性能和结构及内耗行为发生大的变化，PP与SBS两者玻璃化转变温度间距离变小，从而改善了PP/SBS的相容性。PP和SBS在辐射引发自由基的情况下，分散相SBS形成交联结构，连续相PP发生裂解，体系的表观粘度下降，但PP的玻璃化转变激活能仍然提高了。
연구료일계렬불동함량적SBS여취병희적공혼물적복사류화효응。복조일정제량후，유우복사교련화렬해적진행，사PP/SBS적류변성능화결구급내모행위발생대적변화，PP여SBS량자파리화전변온도간거리변소，종이개선료PP/SBS적상용성。PP화SBS재복사인발자유기적정황하，분산상SBS형성교련결구，련속상PP발생렬해，체계적표관점도하강，단PP적파리화전변격활능잉연제고료。
In this paper, the rheological properties of PP/SBS irradiated by γ rays were studied. The viscosity of irradiated PP/SBS was lower than that of unirradiated PP/SBS, which implied that the irradiated blends could be easily processed by injection molding. The effects of γ radiation on the segmental relaxation of PP/SBS were studied. The glass state temperature of PP and SBS became closer because of the irradiation.