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抗氧剂壬基二苯胺的制备及性能研究
Authors
俞莎莎
刘升高
+3 more
崔建兰
王声培
王立敏
Publication date
1 January 2017
Publisher
Abstract
以自制的选择性固体酸为催化剂,采用二苯胺和1-壬烯为原料制备了壬基二苯胺抗氧剂(NDPA),并研究了其合成工艺。结果表明:通过选择不同的固体酸催化剂,在最优工艺条件下,二苯胺的转化率达99.60%,单取代壬基二苯胺(M-NDPA)的质量分数为30.35%。使用压力差式扫描量热法测定了壬基二苯胺的抗氧化性,结果表明所合成的产物在Ⅰ类基础油150SN、Ⅱ类基础油150N和Ⅳ类基础油PAO中均具有很好的耐受性。使用热重分析(TG)测试了该产物的热稳定性,结果表明该抗氧剂具有优异的热稳定性能
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Last time updated on 22/01/2018