Preparation method of low-hysteresis, high-tensile and self-adhesive hydrogel with double chemical crosslinking structures

The invention belongs to the field of hydrogel preparation, and discloses a preparation method of low-hysteresis, high-stretching and self-adhesion hydrogel with a double chemical crosslinking structure. According to the preparation method disclosed by the invention, the hydrogel with a double-crosslinking structure is constructed and formed by utilizing esterification reaction of 2d resin and carboxyl in acrylic acid and coordination of Al < 3 + > ions and acrylic acid. The low-hysteresis, high-tensile and self-adhesion double-crosslinking structure hydrogel prepared by the method has the characteristics of simple preparation method and wide raw material source, and has great potential application in the fields of flexible electronic equipment, biosensors, wearable equipment and soft robots. 本发明属于水凝胶制备领域，公开了一种低迟滞、高拉伸、自粘附双化学交联结构水凝胶的制备方法。本发明利用2d树脂与丙烯酸中羧基进行的酯化反应，Al3+离子与丙烯酸的配位作用，构筑形成双交联结构水凝胶。本发明制备的低迟滞、高拉伸和自粘附性能的双交联结构水凝胶，具有制备方法简单，原料广泛的特点，在柔性电子设备、生物传感器、可穿戴设备、软体机器人领域具有极大的潜在应用。