Disclosed herein is a process for the preparation of a mixture of styrenated p-cresol species that is liquid at room temperature and has a viscosity of less than 40,000 cps at 25° C., wherein said process affords 2,6-distyrenated p-cresol assaying at 70% minimum by GC area percent, comprising reacting styrene with p-cresol at a molar ratio of 1.85 to 2.1:1, respectively, in the presence of an acid catalyst at elevated temperature, wherein said mixture comprises monostyrenated-p-cresol, distyrenated-p-cresol, and tristyrenated-p-cresol and exhibits an acid number of less than 0.1 mg KOH/gram.
本发明涉及一种制备液态且在室温下粘度小于40,000 cps的
苯乙烯化对甲基
苯酚混合物的工艺,其中该工艺通过在高温下在酸催化剂的存在下将
苯乙烯与对甲基
苯酚按照1.85至2.1:1的摩尔比反应,得到至少为70%的2,6-
二苯乙烯化对甲基
苯酚(通过GC面积百分比测定),该混合物包含单
苯乙烯化对甲基
苯酚、
二苯乙烯化对甲基
苯酚和
三苯乙烯化对甲基
苯酚,并且具有小于0.1 mg KOH/克的酸值。