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Matsushita T.,Eco Research Institute Ltd. | Matsushita T.,Eco Plastics
Society of Plastics Engineers - Global Plastics Environmental Conference 2011, GPEC 2011 | Year: 2011

ECO Research Institute (ERI) has developed a dry grinding method that pulverizes waste paper to the micron size range and that powdered recyclate is then used as filler in thermoplastics. Using this technology reduces carbon-dioxide emissions by as much as 60 - 80 percent compared to using traditional thermoplastics while also enhancing mechanical properties. ERI has seen its business growth very rapidly in Japan as the technology does not suffer from any of the processing and performance limitations of other bio-plastics. The ERI materials are now widely used in automotive, electric, food, housing, transportation and toy industries. ERI is now expanding capacity through its US subsidiary in cooperation with Michigan Molecular Institute, which will bring compounding capabilities to the U.S. under the name Eco Bio Plastics Midland, Inc. Paper has been one of the oldest products for the history of human being and it has been produced on a huge scale basis all over the world. The basic application relies on the technology of utilizing long cellulose fiber for processing. Paper is also known for high level of recycling, mostly by producing recycled paper. We have investigated the possibility of: (1) Finding new technology of paper other than the application of long cellulose fiber (2) Recycling paper other than producing recycled paper (3) Creating more environmentally friendly material by utilizing non-hydrocarbon based paper We have succeeded in developing new technology of pulverizing paper into micro powders as minute as 30μ m and compounding it with conventional plastics in the form of pellets for the purpose of mass production. Pellets can contain up to 70% paper. This paper-reinforced plastic composite can reduce CO 2 emission dramatically since the main material is paper. Currently the technology is commercially available in polypropylene for injection molding or thermosetting products but other formulation with different based materials such as PE, PS, PLA and PHA for different processing is on-going. Source

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