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2025, 02, v.42 65-71
MoS2MXene催化合成癸二酸二辛酯及其摩擦学性能研究
基金项目(Foundation): 国家自然科学基金面上项目(52075144); 安徽省高校优秀科研创新团队(2022AH010096)
邮箱(Email): hukunhong@163.com;
DOI:
摘要:

采用水热法在MXene(Ti_3C_2Tx上生长纳米Mo S2将获得的Mo S2Ti_3C_2Tx合物用于合成癸二酸二辛酯(DOS)的催化剂,研究了未经分离的Mo S2Ti_3C_2Tx产物DOS中的摩擦学性能,以及与柴油碳烟(DS)及二烷基二硫代磷酸锌(ZDDP)的相互作用。结果显示,在选择的测试条件下,添加Mo S2Ti_3C_2Tx多能降低约29%的摩擦和20%的磨损。然而,在受到DS污染后,摩擦和磨损均显著增高,表明Mo S2Ti_3C_2TxDS之间存在拮抗作用。在添加ZDDP后,Mo S2Ti_3C_2TxDS的拮抗作用会减弱,抗磨能力可以提升约49%,但减摩性能会轻微下降。本研究提供了一种兼具催化剂和润滑剂功能的复合物,可用于酯类基础油的合成和润滑改性,但在DS污染的润滑油中需要和ZDDP及其它减摩添加剂复配使用。

Abstract:

Nano-Mo S2was grown on MXene(Ti_3C_2Txby hydrothermal method,and the obtained Mo S_2Ti_3C_2Txwas used as the catalyst for the synthesis of dioctyl sebacate(DOS).The tribological properties of unseparated Mo S2Ti_3C_2Txin product DOS and its interaction with diesel soot(DS)and zinc dialkyl dithiophosphate(ZDDP)were investigated.The results show that under selected test conditions the addition of Mo S2Ti_3C_2Txreduced friction by 28.7% and wear by 19.8%,respectively.However,after DS contamination,both friction and wear were significantly increased,indicating a lubricating antagonism between Mo S2Ti_3C_2Txand DS.The antagonism between Mo S2Ti_3C_2Txand DS was weakened after addition of ZDDP,and the wear resistance was improved by about 49%,but the friction reduction was slightly reduced.This work provides an additive with both catalyst and lubricant functions which can be used for catalytic synthesis and lubrication modification of ester base oils,but needs to be combined with ZDDP and other anti-friction additives in DS contaminated lubricants.

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基本信息:

DOI:

中图分类号:TE626.9;TQ426

引用信息:

[1]龚俊杰,朱颖,胡坤宏.MoS_2/MXene催化合成癸二酸二辛酯及其摩擦学性能研究[J].合肥大学学报,2025,42(02):65-71.

基金信息:

国家自然科学基金面上项目(52075144); 安徽省高校优秀科研创新团队(2022AH010096)

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