Processing conditions on production and application of SPS high range water reducing agent are studied, performance parameters are involved in sulfonated degree, alkali for neutralization, mixing time, adding method, filling quantity steam curing and son on.

Research and application of polycarboxylate type superplasticizers;

Study of adsorbability of cement for superplasticizer with different clinker modulus and mineral composition;

Overview of research on modification of superplasticizer;

Study on a new polycarboxylate-tape of super plasticizer;

The development of super plasticizer with copolymerized carboxylic acid;

This paper presents a study on the preparation of the high volume fly ash (HVFA) concrete, which super plasticizer with carboxylic acid was used m the HVFA and dosage of fly ash is respectively 40%, 60%, and 70%.

Synthesis of Naphthalene Oil-based High Range Water Reducing Agent;

The concrete mixed with this modified naphthalene high range water reducing agent was of less bl.

Melamine high range water reducing agent was developed with urea in partial substitution of expensive melamine.

Development status and research progress of polycarboxylate-type superplasticizers;

Mortar spread test method for determining optimum dosage of superplasticizers;

The influences of retarders and superplasticizers on cement hydration properties;

Influences of high efficiency water reducing agent on volume stability of concrete;

Influences of high efficiency water reducing agent on hydrability of cement;

The influences of ASF high efficiency water reducing agent on the workability and strength of concrete;