Protective mask film processing technology
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ειι³
- Publication Date
- 2021-01-15
- Estimated Expiration
- Not applicable Β· inactive patent
Abstract
Description
technical field
[0001] The invention belongs to the related technical field of protective mask film, and in particular relates to a protective mask film processing technology. Background technique
[0002] Droplet transmission, that is, airborne droplet transmission, is one mode of airborne transmission. The pathogen is coughed, sneezed, and the secretions and droplets discharged from the conversation by the source of infection, so that the susceptible person is inhaled and infected. Epidemic meningitis, scarlet fever, pertussis, influenza, measles and other diseases are transmitted through this method. Generally, droplet transmission is only possible when close contact with the source of infection is possible, and it is relatively safe to be more than 1 meter away from the source of infection. Because, without the help of external conditions (such as wind), the possibility of spraying droplets beyond two meters is almost impossible. Therefore, when blocking droplets, it i...