the Jiangsu Province Natural Science Foundation(No.BK2008520);the Jiangsu Postdoctoral Research Funds(No.0901008C);the China Postdoctoral Science Foundation(No.20090461120)
A new kind of nano-rod shaped polycarboxylic acid slump-retaining agent was synthesized.Transmission electron microscope(TEM) experiment showed that the nano-rod was bound together as macromolecular aggregates in solu...