Biomass refers to biological material plasticized starch, bio-based fibers and other natural substances, by the following physical, chemical or comprehensive high-tech action generated a synthetic material. Now large TV stand, computer housing, small to small ornaments, kitchen trash bags, biomass plastics material presence are everywhere.
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Self-destructive type of biomass plastics material Plastics bring a variety of convenience to mankind, but also to bring unimaginable trouble. Since most of the waste plastic are not short-term degradation under natural conditions, if incineration will release harmful gases, cause great pollution to the environment. Therefore, scientists from various countries began to develop its own decomposition can self-destruct or self-dissolving plastic, to solve this problem. Some people call them "green plastic." Many countries, companies have launched their own biological self-destruct plastic. US secret biologist at the University of Mainz root first proposed the idea of biodegradable plastics, "planting", they used potatoes and corn as raw materials, plastic implant genes, so that they can grow free from harmful ingredients in artificial birth control plasticized material substance.
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US Imperial Chemical Industries bacteria use sugar and organic acids manufactured biodegradable plastics. Similar to its methods and the production of ethanol fermentation process, the only difference with the bacterium is Alcaligenes, change can be fed into a plastic material, called PHBV. This plastic is accumulating bacteria as an energy store, like humans and animals, as the fat accumulation. When bacteria accumulation of PHBV 80% of their body weight, use steam to break through these cells, the plastic collected. PHBV has similar properties of polypropylene, this material in the waste, even in a humid environment is stable, but in the case of microorganisms, it will degrade into carbon dioxide and water.
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domenica, 21. giugno 2026, 21:48
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