BigPatents India

An improved process for alkylation’s of phenol which comprises reacting phenol or substituted phenols or mixtures thereof with methyl tertiary butyl ether in presence of a cation exchange resin catalyst and a hydrocarbon solvent, wherein the concentration of cation exchange resin catalyst in the range of 2-20% weight percent of phenol or substituted phenol; phenol to methyl tertiary butyl ether molar ratio in the range of 0.1-3, hydrocarbon solvent to phenol ratio between 0.5-5 by weight at a temperature of between 40-150°C and reaction time for a period of I- 10 h, cooling the reaction mixture followed by filtering of the resin catalyst and purifying the alkyl phenols by distillation.