CN105646157A - Alkyl phenol synthesis process based on distillation temperature control - Google Patents

Abstract

The present invention discloses an alkyl phenol synthesis process based on distillation temperature control. The alkyl phenol synthesis process comprises: (a) adding olefin, phenol and a catalyst into a reactor according to a certain ratio; (b) adjusting the temperature and the pH value of the reaction system, and stirring at a certain speed to make the reaction be performed; (c) distilling the reaction mixture at a temperature of 100-150 DEG C under a certain pressure; and d) cooling to obtain the target product. According to the present invention, the alkyl phenol can be used successfully synthesized, the synthesis efficiency is high, the synthesis cost is low, and the synthesized product has the good performance; and by controlling the distillation temperature during the preparation process, the reaction conversion rate and the product performance are improved.

Description

Based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature

Technical field

The invention belongs to technical field of chemical synthesis, be specifically related to a kind of based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature.

Background technology

The synthesis technique of alkyl phenol at least includes the processes such as stirring, distillation, cooling. In current alkylphenol synthesizing procedure method, technological process is not easy to implement, and the alkyl phenol finished product purity of generation is low, and reactant conversion per pass is low, and manufacturing process is complicated, and production efficiency is low and cost high, is not suitable for large-scale production.

Summary of the invention

For the above-mentioned technical problem overcoming prior art to exist, it is an object of the invention to, it is provided that a kind of based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature, the present invention not only manufacturing process is simple, improve work efficiency, and the alkyl phenol product purity generated is greatly, is suitable for industrialized production.

Provided by the invention based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature, comprise the following steps:

(1) first, according to a certain percentage alkene, phenol and catalyst are added in reactor;

(2) regulating temperature and the pH value of reaction system, under certain speed, stirring makes it react;

(3) reactant mixture is distilled under certain pressure and temperature, and vapo(u)rizing temperature is 200��250 DEG C;

(4) then cool down, obtain target product.

Provided by the invention based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature, it has the beneficial effects that, overcoming prior art, to prepare operation in alkyl phenol technical process more, and the problem that workload is big improves work efficiency; Improve the conversion per pass of reactant and the productivity of product.

Detailed description of the invention

Below in conjunction with an embodiment, to the explanation based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature provided by the invention.

Embodiment

The alkyl phenol synthesis technique based on control vapo(u)rizing temperature of the present embodiment, comprises the following steps:

(1) first, according to a certain percentage alkene, phenol and catalyst are added in reactor;

(2) regulating temperature and the pH value of reaction system, under certain speed, stirring makes it react;

(3) reactant mixture is distilled under certain pressure and temperature, and vapo(u)rizing temperature is 250 DEG C;

(4) then cool down, obtain target product.

Based on the alkyl phenol synthesis technique controlling vapo(u)rizing temperature, it is not necessary to loaded down with trivial details post-reaction treatment, operation simple possible, and also environmentally friendly pollution-free, technological process is easy to implement, and production cost is low, synthesis yield is high, it is achieved that the industrialized production of product.

Claims (1)

1. the alkyl phenol synthesis technique based on control vapo(u)rizing temperature, it is characterised in that: said method comprising the steps of:

(1) first, according to a certain percentage alkene, phenol and catalyst are added in reactor;

(2) regulating temperature and the pH value of reaction system, under certain speed, stirring makes it react;

(3) reactant mixture is distilled under certain pressure and temperature, and vapo(u)rizing temperature is 200��250 DEG C;

(4) then cool down, obtain target product.