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Background of Bioplastics
Bioplastic is a substance composed of organic biomass resources and an alternative to plastics. Some bioplastics use microorganisms to create their base materials, like cellulose, vegetable oil, and acids. In contrast, plastics use resin as its main component produced by polymerization. Within 180 days certain types of bioplastic incinerates but plastics do not, because of the petroleum that consists of polyethylene in it, which has strong carbon bonds. Although, polyethylene submits can be transformed into polypropylene,however it requires huge amounts of energy therefore other alternatives are used instead, polyethylene. Furthermore, decomposing organisms cannot break down plastics because they must acquire metabolic pathways in which it does not have. Because of this bioplastics are a solution to many of the economic, social, and ethic issues today. Bioplastics are not only produced and degraded with less carbon dioxide but also reduced landfills and pollution, in result climate change decreases. Petroleum the main source of plastics are becoming scared and as it continues to be, costs rise. On the contrary, bioplastics are inexpensive to manufacture and are beneficial to the environment. For developing countries, bioplastics are a blessing since resources are organic based.Ultimately, bioplastics is a solution to many of the serious problems because of its feautures and advantages. (BB 1.1) (BB 1.2) (BB 1.3) (BB 1.4) (BB 1.5)
Polyhydroxyalkanoates (PHA)
*formed by bacterial fermentation of sugar and lipids *ductile and less elastic *consists of more that 150 monomers
Polyamide 11 (PA 11)
* made from natural oil * not biodegradable * applied to high preforming application products
Poly-3-hydroxybutyrate (PHB)
*bioplastic polyester *Produced by bacteria that processes wastewater, corn starch, and glucose. *has similar characteristics as plastics. *biodegradable
Polylactic Acid (PLA)
*most common used type of bioplastic *transparent plastic *resources are from corn and dextrose.
The Production of Bioplastics
Not all bioplastics are completely oil, fossil fuel, and coal free. It uses just as much as conventional plastics energy to power plants. Polyactic Acid (PLA) one of the most coomon bioplastics used, has two processes to form, dehydration and polymerization. By doing so, plastic is not only created but also sustainable to use. However, at the end of its use it vanishes by its chemicals breaking down. (BB 2)
Bioplastics Degrades
In the diagram above, it shows the process of how a oxo-degradable bag decomposes like most other bioplastic products. First, the properties of the incinerates releasing water, carbon dioxide, and biomass. Afterwards, photosynthesis occurs after the properties are released. Finally, a plant begins to grow. (BB 3)
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The Most Common Types of Bioplastic
Additional Information
Bioplastics are a Solution
Many reports have been collected to see what countries have innovated for bioplastics. Already known, most of these bioplastics degrade which reduces landfills, helps maintain the sanitary of the environment for all to live in, and more. Most developed countries, as shown on the diagram, have scientifically built bioplastics to tackle many of their economic or social issues . (BB 4)
Below are videos that can be watched for to further understand bioplastics,
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