Preparation method of natural curcumin antibacterial cotton underwear fabric

The invention provides a preparation method of a natural curcumin antibacterial cotton underwear fabric. The preparation method comprises the following steps of modifying natural curcumin: 1) adding ferric chloride into an ethylene glycol solution, and performing stirring on a magnetic stirrer at room temperature until the ferric chloride is completely dissolved; 2) adding sodium acetate while stirring; 3) slowly dropwise adding a chitosan solution while stirring; 4) adding the natural curcumin while stirring to obtain modified natural curcumin; modifying a cotton fabric; and dyeing the modified cotton fabric with the modified natural curcumin in a constant-temperature oscillation dyeing machine to obtain the natural curcumin antibacterial cotton underwear fabric. The natural curcumin antibacterial cotton underwear fabric prepared by the method has good antibacterial performance, and has a strong inhibition effect on escherichia coli and staphylococcus aureus. 本发明提供了天然姜黄素抗菌棉内衣用织物的制备方法。制备步骤如下：天然姜黄素的改性：1)取氯化铁加入