At present, the sanitary pads commonly used in the market is inorganic cotton, is not biodegradable, can only be handled by burying and burning.
This creates some pressure on the ecological environment.
Recently, a Utah university named Jeff.
He and Bates, a professor at the college of engineering students team created a completely biodegradable sanitary napkin, and contacted a number of public welfare organizations, to the lack of public health system supply countries and regions.
The new sanitary napkins are extracted from corn, cotton and algae, and the finished product consists of four layers.
These include a outer layer of raw cotton, the second layer from the outer reaches of absorption liquid organic cotton, the third layer is containing agarose gel (a kind of polymer from brown algae) super absorbing layer, the last layer is based on corn material, by keeping moisture to prevent leakage.
While previous researchers have developed other eco-friendly sanitary pads, some contain hydrogels that are not biodegradable.
In contrast, this can be completely biodegradable in 45 days - 6 months.
Also, professor Bates can use locally sourced materials and simple tools to make this sanitary napkin.
The researchers are set up to launch a start-up that is expected to list in the us in a year or two.
Previously, scientists at the Indian institute of technology created a biodegradable sanitary napkin, incorporating nanofibers made from cellulose acetate.
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