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- W160074326 abstract "To investigate the degradation behavior of biodegradable polymers in nature, soil burial tests were carried out at 18 places in Japan and one place in the U.S. Water immersion tests were carried out at three places in Japan. Bacteria cellulose (BC), copolymers of 3-hydroxybutyrate and 3-hydroxyvalerate (PHB/HV), poly (vinyl alcohol) (PVA), poly (ε-caprolactone) (PCL) and poly (v -methyl-L-glutamate) (PMLG) were examined. The rate of degradation has been found to decrease in the order: BC>PCL = PHB/HV > PVA = PMLG. Erosion of these polymers is a surface and not a bulk process in soil burial. Water immersion tests show a similar tendency. Polymers samples degraded rapidly compared with soil burial tests. These experiments were carried out in cooperation with M. Iwatsuki (Ajinomoto), K. Oiso, T. Murayama (Kyowa Hakko Kogyo), M. Tsuji (Kuraray), K. Ohusugi (Kureha Chemical Industry), H. Niitsu (Showa Denko), Y. Uchida (Sumitomo Bakelite), A. Hoshino (Dainichiseika Colour & Chemicals), W. Susukida (Dai Nippon Printing), K. Kobayashi (Chuo Kagaku), Y. Miyata (Denki Kagaku Kogyo), Y. Sato (Tokyo Gas), A. Okabayashi (Toyo Ink Mfg), H. Eya (The Japan Steel Works), T. Inoue (Nippon Unicar), M. Nonaka (Mitsubishi Plastics Industries), T. Kimura, M. Kawanishi (Unitika) and K. Tanaka (Rohm & Haas Japan)." @default.
- W160074326 created "2016-06-24" @default.
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- W160074326 date "1994-01-01" @default.
- W160074326 modified "2023-09-23" @default.
- W160074326 title "Degradation behavior of biodegradable polymers in nature" @default.
- W160074326 doi "https://doi.org/10.1016/b978-1-4832-8381-4.50116-5" @default.
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