| 摘要 |
The invention relates to a process for preparing hydrogels to be used in medicine and food industry. According to the invention, the process consists in mixing 70% xanthan with 20% lignin, while continuously stirring, after which there are admixed sodium hydroxide, water and polypropylene diglycidyl ether, the resulting mixture being then subjected to reticulation for 8 h, at a temperature of 80°C, followed by repeatedly washing with hot and cold water and drying by lyophilization, finally resulting in a transparent gel having a maximal swelling degree of 2302%. |
