摘要
用天然硅铝酸代替传统的AlCl3和H2SO4等酸性催化剂用于联苯与丙烯的烷基化反应,工艺过程简单,无腐蚀,无废水污染。在x(丙烯):x(联苯)为0.8:1、天然硅铝酸用量为10%、反应温度为175℃的情况下反应4h,联苯的转化率达58%,单异丙基联苯的收率达46%。
A new process for alkylation of biphenyl and propene under the catalysis of natural SiO2-Al2O3 catalyst instead of traditional acid catalysts such as AlCl3 and H2SO4 is introduced.The new process is simple, non-corrosive and of no water-pollution. The conversion rate of biphenyl reached 58%and the yield of mono-isopropylbiphenyl was 46%after 4 hours reaction with the ra- tio of propene to biphenyl being 0.8:1,the concentration of natural SiO2-Al2O3,10%and the re- action temperature,175 ℃.
出处
《现代化工》
CAS
CSCD
北大核心
1995年第11期25-31,共7页
Modern Chemical Industry