Catalyst for synthesizing heterogeneous alcohol polyoxyethylene ether

The present invention relates to a heterogeneous catalyst for the synthesis of alcohol polyoxyethylene ether, the technical solution adopted is said catalyst comprising calcium acetate and o-hydroxybenzoic acid composition, wherein the weight ratio of calcium acetate and o-hydroxybenzoic acid 1:0.05 1-3. Compared with the prior art, the present invention is obtained using the catalysts of the heterogeneous alcohol polyoxyethylene ethers having the advantage of narrow molecular weight distribution.