Keyword:    

Manufacturing technology of PHA

Novelty  

       Fast selected the strains which can produce the third generation biodegradable plastic by Fourier infrared nondestructive inspection technology invented by the researchers themselves.

       Implemented the high density culture of strains in the process of the third generation biodegradable production and the new extraction process in the downstream of the methods of organic and inorganic.

       Successfully developed the production process of the third generation biodegradable plastic PHA(that is PHBPHHx) in small scale, middle scale and large scale, in which the substrate was glucose, the cell dry weight was 50-60 g/L, the content of PHBHHx was 50-60% and the product purity was over 95%. It is the first success both in China and abroad.

       For the first time, biodegradable butanedioic acid and epoxy soybean oil were added to the PHB as the plasticizer, which not only improved the mechanical properties of PHB but also had no influence on its degradability.







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