Synthesis of Liquid Antioxidant DTBNP Catalyzed by Composite Super Acid
نویسندگان
چکیده
2,6-Di-tert-butyl-4-nonylphenol(DTBNP) was synthesized from 4-n-nonyl phenol and isobutylene, etc. using self-made composite super acid as catalyst. The appropriate technology conditions are as follows: reaction temperature is 60-80 , reaction time is 4h, n 4-n-nonyl phenol : n Isobutylene = 1: 2 and the amount of catalysts is 0.019% of the quantity of 4-n-nonyl phenol reactant, the yield can reach to 98%.
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