研究了受阻胺光稳定剂PDS(4-(甲基丙烯酸)-2,2,6,6-四甲基哌啶醇酯和苯乙烯的共聚物)与几种类型抗氧剂在γ-辐射下在聚丙烯中的并用效应.实验发现,PDS与受阻酚抗氧剂Irganox 1076、Irganox 1010并用时表现出明显的协同效应,而PDS和Irganox 1098并用时并未发生明显的协同效应.PDS与含磷抗氧剂Irgafos 168、含硫抗氧剂Irganox PS802以及芳香胺类抗氧剂4010并用均表现出一定的协同效应.PDS与4010并用的效果比与其它类型抗氧剂的并用效果都好,PDS和混合抗氧剂的并用效果不如和单一抗氧剂的并用效果,PDS和混合抗氧剂的并用时还可能出现反协同效应.
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