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Evaluation of antioxidant properties of a phosphorated cardanol compound on mineral oils (NH10 and NH20)

机译:评价磷酸腰果酚化合物对矿物油(NH10和NH20)的抗氧化性能

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摘要

Studies on thermal-oxidative stability of a phosphorated antioxidant, synthesized from a natural and renewable resource cashew nut shell liquid (CNSL) was investigated, using a classical thermoanalytical method-thermogravimetric (TG/DTG) in air atmosphere. Its use as an antioxidant agent on the mineral oils NH10 and NH20 was evaluated in comparative studied with a commercial product (diphenyl phosphate - Aldrich). The addition of 1.2-2.0 wt% of phosphorated cardanol compound to the mineral oils has improved their thermal-oxidative stability on 14-18 ℃, respectively. The occurrence of major thermal degradation events at higher temperatures (T_(max)) on addi-tivated oils is an excellent indication of the phosphorated cardanol compound antioxidant properties.
机译:使用经典的热分析方法-热重法(TG / DTG)在空气中研究了天然和可再生资源腰果壳液(CNSL)合成的磷酸抗氧化剂的热氧化稳定性。与市售产品(磷酸二苯酯-Aldrich)进行了对比研究,评估了其在矿物油NH10和NH20中作为抗氧化剂的用途。向矿物油中添加1.2-2.0 wt%的磷酸腰果酚化合物分别提高了它们在14-18℃下的热氧化稳定性。添加剂油在较高温度下(T_(max))发生的主要热降解事件是磷酸腰果酚化合物抗氧化剂性能的极佳指示。

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