Bonding method of the hydrogel

【Task】 By interposing a polyalkylene glycol between the adhesive try to gel surface and the gel surface of the hydrogel to provide a method of adhering the hydrogel together. A A method of bonding a hydrogel of the same or different, a step of joining the two gel surfaces by interposing a polyalkylene glycol between the gel surface and the gel surface to be bonded of the hydrogel, and be bonded bonding method of hydrogel comprising. .BACKGROUND