Modified cerium oxide, melt-blown cloth and preparation method and application thereof
By controlling the molar ratio of cerium salt, copper salt, and cobalt salt, and by using aminosilane to modify cerium oxide, the problem of poor antibacterial effect of meltblown fabric was solved, achieving a more efficient antibacterial effect and better processing performance.
CN122166815APending Publication Date: 2026-06-09THE GBA NAT INST FOR NANOTECHNOLOGY INNOVATION
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- THE GBA NAT INST FOR NANOTECHNOLOGY INNOVATION
- Filing Date
- 2024-12-09
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
In existing technologies, meltblown fabrics prepared directly from cerium oxide have poor antibacterial effects.
Method used
By controlling the molar ratio of cerium salt, copper salt, and cobalt salt, and by using aminosilane to modify cerium oxide, copper and cobalt elements are uniformly distributed in the modified cerium oxide and uniformly dispersed in the polypropylene system, thereby improving the compatibility between modified cerium oxide and polypropylene.
Benefits of technology
It significantly improves the antibacterial effect of meltblown fabric and enhances its elongation at break, processing performance and filtration performance.
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Smart Images
Figure CN122166815A_ABST
Abstract
This invention discloses a modified cerium oxide, meltblown nonwoven fabric, its preparation method, and its application. The preparation method of modified cerium oxide includes the following steps: mixing an alcohol solution A containing cerium salt, copper salt, and cobalt salt, and an alcohol solution B containing hexamethylenetetramine; adding water; heating to carry out the reaction; and adding aminosilane to obtain modified cerium oxide. The molar ratio of cerium in the cerium salt, copper in the copper salt, and cobalt in the cobalt salt is Ce:Cu:Co = 1:(0.005-0.030):(0.10-0.30). By controlling the amount of cerium in the cerium salt, copper in the copper salt, and cobalt in the cobalt salt, this invention ensures that copper and cobalt are uniformly distributed in the modified cerium oxide, effectively promoting its antibacterial effect. Simultaneously, the use of aminosilane allows the modified cerium oxide to be uniformly dispersed in the polypropylene system, improving the compatibility between the modified cerium oxide and the polypropylene system, thereby enhancing the antibacterial effect of the meltblown nonwoven fabric prepared using modified cerium oxide.
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