1Yamada K, Takahashi T, Hanehara S, et al. Effectsof the chemical structure on the properties of polycar- hoxylate-type superplasticizer [J]. Cement and Concrete Research, 2000, 30(2): 197-207.
2M 6amba, P Clemente, G Alampi, et al. Superplasti-cizers for concrete and cement materials and process for producing the same[P]. W02011076655.
3P Clemente, G Ferrari, M Gamba, et al. High earlystrength superplasticizer[P]. US 0151486, 2007-7-5.
8J Widmer, U Sulser, U Velten, et al. Cement dis-persing polymers for high flow, high strength and self- compacting concrete[P]. US 6548589, 2003-4-15.