Dendrimer-containing hydrophobically associating polymers (PDAM) have been synthesized by micellar copolymerization of acrylamide (AM) with a small amount of polyether dendrimer monomer(DA)．The association behaviors and rheological properties of this polymer in aqueous solution were studied by viscometry and fluorescence probe．It was found that such polymers exhibit a large hydrophobic effect and easily self-association in dilute aqueous solutions．Their solution viscosities show a pronounced nonlinear dependence on dendritic hydrophobe content in the polymer and a maximum value appeared at an appropriate content．This behavior can be attributed to the balance between inter- and intraaction associations

which can be controlled with the hydrophobe content of the polymer．