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The ethyl glycol vinyl ether polyoxyethylene ether (EPEG) is a new type of macromonomer to synthesize polycarboxylate superplasticizer (PCE), which has higher reactivity due to the unsaturated double bond and easily to polymerization. The EPEG slump retaining typed PCE can be synthesized by free radical polymerization though EPEG, acrylic acid and hydroxyethyl acrylate (HEA). The HEA had the greatest influence on slump retaining performance. High polymerization conversion rate of EPEG typed PCE was beneficial to improve the concrete performance.

A solid polycarboxylate superlasticizer was synthesized with methacrylic acid,polyoxyethylene(TPEG),and microcrosslinking monomer(P) synthesized by using polyetheramine and croton acid. Studied acid/ether mole ratio, P dosage, rotating speed and reaction temperature on the solid polycarboxylate superlasticizer performance. The results showed that when acid/ether mole ratio was 4.0/1, P dosage was 8% of TPEG, rotating speed was 800rpm and reaction temperature was 60°C, synthetic polycarboxylate superplasticizer had the best comprehensive performance.