The water absorbency, salinity water absorbency and monomer fractional conversion of the graft cellulose HEC/SiO_2 superabsorbent series can reach 1300 g/g, 105 g/g and 80% respectively.

• 接枝改性HEC/SiO_2体系的最高吸水倍率为1330g/g、最高吸盐水倍率为105g/g、单体转化率为82%25;