1GUAN Y L. State of water in the ph - sensitive chitosanpolyether semi - IPN hydrogel [J]. Journal of Applied Polymer Science, 1996, 61:393 -400.
2GUAN Y L, SHAO L, YAO K D. A study on correlation between water state and swelling kinetics of chitosan -based hydrogels [ J ]. Journal of Applied Polymer Science, 1996, 61 : 2 325 -2 335.
3NABZAR L, PEFFERKORN E, VAROQUI R. Polyacrylamide - sodium kaolinite interactions : flocculation behavior of polymer clay suspensions[J]. Journal of Colloid and Interface Science, 1984, 102 (2) : 380 -388.