论文部分内容阅读
近年来,四甲基哌啶醇化合物(Ⅰ)(TMP)作为光稳剂被人们广泛研究,而这类化合物中的2,2,6,6位的四个取代甲基的存在正是其哌啶醇氮氧自由基(Ⅱ)稳定存在的重要原因。
In recent years, tetramethylpiperidinol compound (I) (TMP) as a light-stable agent has been widely studied, and these compounds 2,2,6,6 position of the four substituted methyl is its existence An important reason for the stable existence of the piperidinoxyl radical (Ⅱ).