土壤中典型橡胶防老剂及其衍生物的环境行为及陆生生态风险综述
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X13

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国家重点研发计划项目(2021YFC1809205)和中央级公益性科研院所基本科研业务费专项(GYZX220202)资助


Environmental Behavior and Terrestrial Ecological Risks of Typical Rubber Antioxidants and Their Derivatives: A Review
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GYZX220202;2021YFC1809205

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    摘要:

    土壤是人类赖以生存和发展的主要自然资源,近年来,轮胎橡胶防老剂N-(1,3-二甲基丁基)-N’-苯基对苯二胺(6PPD)及其臭氧化产物N-(1,3-二甲基丁基)-N’-苯基对苯醌(6PPD-Q)的水生生物风险引发全球关注,但对其土壤环境行为和土壤生物区系影响还知之甚少。研究表明,土壤是轮胎磨损颗粒(TWPs)的一个重要的“汇”。对苯二胺类(PPDs)橡胶防老剂性能优良,应用非常广泛,能够随着TWPs进入环境介质中然后被释放出来,并产生PPD-Qs等衍生物。因此研究PPDs类化合物及其衍生物PPD-Qs在土壤中的归趋和生态环境风险具有重要的意义。本文聚焦于土壤环境安全和生态健康,陈述了6PPD及6PPD-Q在土壤环境中赋存、迁移、转化等行为特征,介绍了6PPD及6PPD-Q在陆生生物中的累积、转运和代谢机制,并阐述其生物毒性效应特征和致毒机制,为6PPD及6PPD-Q污染的生态风险评估和防控提供理论基础。

    Abstract:

    Soil is the main natural resource for human survival and development. In recent years, the aquatic risks induced by the tire rubber antioxidant N-(1, 3-dimethylbutyl-N'-phenyl-p-phenylenediamine (6PPD) and its ozonated derivative N-(1, 3-dimethylbutyl-N'-phenyl-p-benzoquinone (6PPD-Q) are causing global concern. However, little is known about their behavior in soil and the effects on soil biota. Evidence have shown that soil is an important "aggregation" of tire wear particles (TWPs), and the TWPs entering the environment release various species of additives including rubber antioxidants, silica, metals, etc. Among them, p-Phenylenediamines (PPDs) are the most widely added rubber antioxidants due to their excellent performance, which can be released as TWPs into environmental media and produce derivatives such as PPD-Qs. Therefore, it is of great significance to study the fate and ecological environmental risks of 6PPDs and their derivatives in soil. Focusing on their soil environmental safety and ecological health, we introduce the behavioral characteristics of the occurrence, migration, and transformation of 6PPD and 6PPD-Q in the soil environment; describe the accumulation, transport, and metabolism mechanisms of 6PPD and 6PPD-Q in terrestrial organisms; and elucidate their toxicological characteristics and the related toxicity mechanisms on organisms. It provides a theoretical basis for the ecological risk assessment and prevention of 6PPD and 6PPD-Q pollution.

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姜锦林,吴慧毅,王蕾,董姝楠,曹少华.土壤中典型橡胶防老剂及其衍生物的环境行为及陆生生态风险综述[J].土壤学报,2025,62(1):29-39. DOI:10.11766/trxb202308310345 JIANG Jinlin, WU Huiyi, WANG Lei, DONG Shunan, CAO Shaohua. Environmental Behavior and Terrestrial Ecological Risks of Typical Rubber Antioxidants and Their Derivatives: A Review[J]. Acta Pedologica Sinica,2025,62(1):29-39.

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  • 收稿日期:2023-08-31
  • 最后修改日期:2023-11-14
  • 录用日期:2024-05-28
  • 在线发布日期: 2024-07-11
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