Title:
ANTIBACTERIAL POLYURETHANE SPONGE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/123879
Kind Code:
A1
Abstract:
The present invention relates to the technical field of medical dressings, in particular to an antibacterial polyurethane sponge and a preparation method therefor. An antibacterial dressing, which is obtained by means of adding an antibacterial effective component to a molded polyurethane sponge dressing in a soaking or spraying mode, has a poor antibacterial durability. According to the present invention, on the basis of the problem, a water dispersion system of an antibacterial agent is pre-dispersed in a polyurethane prepolymer and then foamed, which enables the antibacterial agent to be encapsulated in the porous structure of a polyurethane sponge and achieves the effect of slowly releasing antibacterial metal ions, so that the prepared antibacterial polyurethane sponge has a good antibacterial durability.
More Like This:
Inventors:
CHEN DAYONG (CN)
CHU JIAMIAN (CN)
CHU XINGWU (CN)
CHU JIAMIAN (CN)
CHU XINGWU (CN)
Application Number:
PCT/CN2022/097924
Publication Date:
July 06, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
ROOSIN MEDICAL CO LTD (CN)
International Classes:
A61L15/18; A61L15/26; A61L15/28; A61L15/42; A61L15/44; A61L15/46
Domestic Patent References:
| WO2003097727A1 | 2003-11-27 | |||
| WO2009080218A2 | 2009-07-02 |
Foreign References:
| CN114306709A | 2022-04-12 | |||
| CN110144113A | 2019-08-20 | |||
| CN111001029A | 2020-04-14 | |||
| CN111359004A | 2020-07-03 | |||
| CN105693972A | 2016-06-22 | |||
| JPH10120897A | 1998-05-12 |
Attorney, Agent or Firm:
SHANGHAI HUIYE LAW FIRM (CN)
Download PDF: