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"White pollution" is well known. These pollutions caused by common polymers such as polyethylene, polypropylene, and polystyrene seriously threaten the environment in which people live, and their natural degradation takes decades or even hundreds of years. The development of rapidly degradable polymer materials has become a new direction of practical biochemistry in recent years.
In the development of biodegradable microbial polymers, Russian researchers used nitrogen-fixing bacteria that were cultivated in sugar-producing waste. 80% of polyhydroxybutyryl ester polymers made from it are composed of dried azotobacter bacteria, which can be rapidly degraded in the soil. After being buried in the soil for 4 months, only a small amount remains, after two summers. Completely degraded, the degradant can also become a natural farmyard fertilizer.
This polyhydroxybutyryl ester polymer is thermoplastic and can be used to make films, ropes, molds, and the like. It is also a biocompatible polymer that can be used in the manufacture of surgical sutures, wound dressings, and wound dressings. In addition, because polyhydroxybutyryl ester polymers are insoluble in water, they can be used to make waterproof plastic films, raincoats, seed capsules containing pesticides, and other moisture-proof items.
Latest discoveries and innovations: Synthetic plastics can also be produced with bacteria
The Institute of Biochemistry of the Russian Academy of Sciences has successfully developed a process for the production of polymers from microorganisms. The polyoxybutyrate polymer produced is composed of 80% bacteria, which is thermoplastic and can be completely degraded in the soil. It is an ideal package. material.