Figure 7 ,Table 0
    • Figure Scheme 1.  Schematic illustration of SAPC particles and their fabrication.

    • Figure 1.  FT-IR spectra of (a) polyacrylic acid, (b) SAPC, and (c) China clay.

    • Figure 2.  XRD spectra of (a) china clay and (b) SAPC.

    • Figure 3.  SEM of (a) China clay, (b) SAPC with 45 wt% of China clay, and (c) polyacrylic acid.

    • Figure 4.  TGA spectra of SAPCs with different clay contents 50 wt%, 45 wt%, 40 wt%, and 30 wt% from top to bottom.

    • Figure 5.  Effect of amount of China clay on water absorbency, with AA (35%), crosslinker (0.5), and initiator (0.3%) by weight.

    • Figure 6.  Effect of amount of acrylic acid on water absorbency, with clay (40%), crosslinker (0.5), and initiator (0.3%) by weight.