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本文研究了纯TBP体系的γ辐解产物谱,分离出了某一分子量较高的强络合酸性磷酸酯,测定了它的一系列性质,并给出了可能的结构式。研究了强络合酸性磷酸酯的形成机理,证实了它的形成与实际体系中存在的DBP有关。研究还表明强络合酸性磷酸酯的形成至少有三个途径:1)直接由TEP~≠或TBP~*形成,2)由DBP~*与TBP聚合而成,3)体系中存在烷烃时,由DBP自由基与R·自由基重合组成。
In this paper, the spectrum of γ-radiolysis product of pure TBP system was studied. A strong complex acid phosphate ester with high molecular weight was isolated. A series of properties of the product were determined and the possible structural formulas were given. The formation mechanism of strong complexation acidic phosphate was studied and its formation was confirmed to be related to DBP in the actual system. Studies have also shown that there are at least three routes for the formation of strongly complexed acidic phosphates: 1) directly formed by TEP ~ ≠ or TBP ~ *, 2) polymerized by DBP ~ * and TBP, 3) DBP free radicals and R · radical overlap.