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《Ready-Mixed Concrete》 2015-07
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Effect of montmorillonite on properties of PC with different molecular structure

Ye Ranran;Wang Hao;Wang Qibao;Wang Dongmin;China University of Mining and Technology (Beijing);  
Selecting methylallyl ethoxylates and acrylic acid as monomer. By adjusting the ratio of acid and ether monomer molecular weight, synthesizing different grafting density and the length of the side chain of polycarboxylate superplasticizer. Through the paste fl uidity experiments and adding 3% montmorillonite slurry fl uidity experiments can be learned: After adding montmorillonite, fl uidity is decrease. With the acid-ether ratio and monomer weight increase, fl uidity are fi rst increased and then decreased. On the premise of adding PC, Addition of montmorillonite, the properties of concrete are decreased.
【CateGory Index】: TU528.042.2
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