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US 2019/0290676 A1Published application
Antibacterial wound dressing, method for preparing the same, and use thereof
AssigneeHuizhou Foryou Medical Devices Co., Ltd.
InventorsJunfeng ZHANG, Jinwen MO, Jie DONG
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Abstract
An antibacterial wound dressing, a method for preparing the antibacterial wound dressing, and a use of the antibacterial wound dressing are provided. The antibacterial wound dressing is obtained by amidating carboxymethyl cellulose with a guanidine compound. The carboxymethyl cellulose has a substitution degree of 0.1-0.6, and the guanidine compound has a grafting degree of 0.2%-10.0%.
Claims20
An antibacterial wound dressing, having a structural formula I:
- wherein R1, R2, R3 and R4 each is —OH or —OCH2COONa;
- R5 is —CH2OH or —CH2OCH2COONa;
- R6 is
- wherein R7 is Cl−, H2PO4−, CH3CH2COO−, or CH2OH(CHOH)4COO−, n=200-800, m=10-100.
1 more element
Dependencies are inferred from the claim text.