Method for preparing interpolymer bionic membrane material of poly-asparagine and chitosan

Abstract

This invention discloses a method for preparing biomimic membrane material of polyasparagine and chitosan copolymer. The method comprises: preparing polyasparagine or its derivative with different side chains, copolymerizing and crosslinking with chitosan in an acidic medium to obtain environmentally friendly biomimic membrane material of polyasparagine and chitosan copolymer. The biomimic membrane material can be used for membrane separation, or as an environment-sensitive membrane material. The biomimic membrane material can be widely applied in such fields as pharmacy, food industry, printing and wastewater treatment.

Description

【Technical field】

[0001] The invention relates to the field of fine chemicals in chemical engineering, in particular to a method for preparing polyasparagine and chitosan copolymerized biomimetic membrane materials. 【Background technique】

[0002] Although the polymer membrane materials that have been developed have good heat resistance, chemical stability and mechanical properties, the raw materials are expensive and the preparation process is complicated, and organic solvents are generally used in the preparation process. Most of these solvents are harmful to the human body and expensive, so the recycling process is essential, which not only increases the production cost, but also causes environmental pollution. These disadvantages have seriously hindered the popularization and application of membrane technology. In addition, the biodegradability of existing polymer membrane materials is poor, which may cause secondary pollution after being discarded. Does not meet the r...