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抗氧剂BHT对润滑油氧化稳定性

2026-07-20 170

Key Point:　抗氧剂BHT作为酚类抗氧剂的代表，在润滑油领域通过捕捉自由基、中断链式氧化反应，显著提升润滑油的氧化安定性。　　一、化学特性与抗氧化原理　　1.1分子结构优势　　抗氧剂BHT的化学式为C??H??O，分子量220.35，其核心结构为苯环上2,6位对称分布的叔丁基和4位的甲基。这种空间位阻设计使苯环上的羟基活性显著增强，能够

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