| abstract |
The invention provides a kind of preparation method of hydrogel, methods described includes mixing phytic acid dispersion liquid and soluble metal salt solution, and hydrogel is can obtain by conventional post processing.The preparation method of the present invention has advantages below：Reaction time is short, preparation method is simple and with certain universality.The hydrogel material of preparation has the characteristics that：Specific surface area is big, three-dimensional net structure, good biocompatibility. |