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Beijing University of Chemical Technology realizes mass production of reusable civilian masks

 Last Update: 2022-08-22
 Source: Internet
 Author: User

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At present, Beijing University of Chemical Technology has developed reusable civilian masks and is conducting batch trial production

At present, the reusable civilian masks developed by the University of Chemical Technology have achieved industrialized batch trial production, and 10 million will be provided to Beijing in April

Polypropylene raw material

The new material is a polypropylene raw material synthesized in the petrochemical industry.
It is processed by a twin-screw modified extruder, and antibacterial agents, degradants, electrets and anti-aging additives are added, so that it has good long-term storage stability.
Antibacterial properties, high fluidity, transparent new material particles produced from polypropylene, mainly used for the production of meltblown cloth in masks

new material particles

The material passes through high temperature and high speed on the melt-blown cloth experimental line, sprays ultra-fine fibers, and then passes through the power-up device to charge the fibers with static electricity and increase the adsorption performance of particles

Meltblown cloth experimental line

In addition, the reporter learned that the formulation of the group standards for reusable civilian masks is under intense development by a team composed of more than ten professional institutions and enterprises under the leadership of the Beijing Municipal Science and Technology Commission

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