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West Sichuan, Japan, September 27, 2018/PRNewswire/-Nanocellulose is said to be the next generation of environmentally friendly materials. It is derived from natural biomass resources such as trees, plants and waste wood. Therefore, nanocellulose is recyclable and biodegradable. Because its raw materials are abundant natural resources, it can be obtained at low cost. Therefore, nanocellulose is an excellent green, next-generation nanomaterial. The high aspect ratio of nanocellulose stems from its width (4-20 nm) and length (a few microns). Its weight is about one-fifth of steel, but its strength is more than five times that of steel. Nanocellulose has a low thermal expansion coefficient, which is comparable to glass fiber, but its elastic modulus is higher than that of glass fiber, making it a hard, strong, and sturdy material. Therefore, the composite material of nanocellulose and plastic is expected to enhance the mechanical strength of the plastic and reduce the weight. In addition, due to its low thermal expansion coefficient, deformation is suppressed during plastic molding. In addition, mixing nanocellulose can make plastics biodegradable to a certain extent. Therefore, nanocellulose can become an excellent new material for automobiles, aerospace, construction and other applications, while having a positive environmental impact. However, due to the hydrophilic nature of nanocellulose (most plastics are hydrophobic), researchers have encountered difficulties in manufacturing nanocellulose and plastic composites.
In this regard, the Green Science Alliance Co., Ltd. (the group company of Fuji Pigment Co., Ltd.) has so far successfully established a manufacturing process for mixing nano-cellulose with various thermoplastics, namely polyethylene (PE), polypropylene (PP), and polychloride. Ethylene (PVC), polystyrene (PS), acrylonitrile butadiene styrene (ABS), polycarbonate (PC), polymethyl methacrylate (PMMA), polyamide 6 (PA6), polyvinyl alcohol Butyral (PVB). In addition, recently, Green Technology Alliance Co., Ltd. has successfully established a manufacturing process for mixing nano-cellulose with various types of biodegradable plastics. They are polylactic acid (PLA), polybutylene adipate terephthalate (PBAT), polybutylene succinate (PBS), polycaprolactone, starch-based plastics and organisms produced by microorganisms. Degradable plastics, such as polyhydroxyalkanoate (PHA). Especially the composite of nano cellulose and biodegradable plastic, improving mechanical strength and improving plastic performance have great scientific significance, because nano cellulose is also biodegradable. The use of materials such as clay, glass fiber, and carbon fiber can increase mechanical strength, but they are not biodegradable. This new material may increase the use of biodegradable plastics. Therefore, this biodegradable plastic/nanocellulose composite material can become one of the innovative solutions to plastic pollution problems including marine microplastic pollution. However, it should be noted that these new materials do not guarantee that they will decompose into water and carbon dioxide. They are 100% biodegradable in nature. They will need to conduct more biodegradability tests under compost, household, aquatic and marine environmental conditions. Green Science Alliance Co., Ltd. is considering obtaining biodegradability certificates from authorized agencies in Europe, the United States and Japan in the near future.
Green Science Alliance Co., Ltd. has begun to produce and sell biodegradable plastic/nanocellulose composite masterbatch materials. In addition, in the near future, they will challenge the use of this biodegradable plastic/nanocellulose composite material to manufacture food trays, food boxes, straws, cups, cup lids and other plastic molded products. In addition, they will challenge the application of supercritical foaming technology to use biodegradable plastic/nanocellulose composite materials to make mold products to make biodegradable plastic mold products lighter and stronger.
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