HYOGO, JAPAN: Green Science Alliance Co Ltd (GS have developed 100 percent biomass nature-derived cellulose-based biodegradable resin materials without the use of petroleum. The company said that this is the thermoplastic cellulose and very environmentally friendly material. It also has the possibility to be economically friendly when a large quantity is produced.
The company added saying that plastic pollution is getting severe in the world and especially microplastic problem in the marine environment is becoming a devastating issue. It is predicted that the amount of plastic garbage may become more than that of fish in the world in the near future. There is some scientific report that microplastic is already in our human body
To solve this matter, various type of bioplastics are under development or are already in use. Some biodegradable resins are made of petroleum. In contrast, as biomass-based biodegradable resin, Poly Lactic Acid (PLA) AND Poly Hydroxy Alkanoate (PHA) starch-based resin are generally applied. Normally, they can be made from food biomass such as grains, potatoes, sugar canes etc.
However, when one considers about food shortage problem in the near future, non-edible biomass raw material is more ideal. Cellulose is the ideal material in this regard because it is the most abundant organic natural resource on this planet and they are non-edible. Some reports explain that over 70 billion tons of natural resource can be obtained if cellulose can be efficiently utilized. We suggest it is not necessary to cut down the forest and living trees. We can utilize waste wood such as thinned wood as cellulose resource, and that should be enough quantity. Furthermore, it can be suggested that the price of cellulose-based resin can be economically friendly.
Recently, researchers have been trying to make cellulose-based resin by saccharification of cellulose with acid or enzymes. However, the decomposition process and pre-treatment process are troublesome processes so that the cost will be too expensive for real application.
On top of that, the company has nano cellulose composite technology with various type of resins and we already had confirmed the mechanical strength improvement with this cellulose-based resin while keeping 100 percent nature biomass composition because nano cellulose is also the natural material.
The company concluded saying that it will keep trying to improve resin properties such as mechanical strength, crystallinity, moulding property, heat resistance etc.
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