| POLYMERS Vol.70 No.1 |
| >> Japanese |
COVER STORY Polymers in the Marine Environment |
| Marine pollution by plastic waste is being recognized as an emerging global environmental issues, because small fragments of plastic termed “microplastics” that exist in the environment are widely confirmed all over the world. Plastic waste gradually yield plastic debris in the ocean, but their breakdown process and their fate are still unknown. Social demands toward a circular economy are also promoting not only the development of bio-/marine-degradable polymers but also the study on breakdown behavior of plastic waste in the marine environment. In this special issue, we will feature recent trends and challenges that marine environmental scientists and polymer scientists are tackling against the marine environmental issue of microplastics! Editors: HAYANO, IWASAKI, SHIKINAKA, SUGA, SUGIYASU, and MATSUOKA |
| New Year’s Message from the SPSJ President |
| A Happy New Year: New Thinking and Deepening | Kazunari AKIYOSHI | 1
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| Digest for English Readers | 3
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| Hot Topics in Polymer Science in SPSJ | 6
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| POLYMER JOURNAL: The Cover / Selected Papers（July - September 2020） |
| Commentary |
| Polymer Science for Sustainable Polymers | Mitsuo SAWAMOTO | 7
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| COVER STORY: Highlight Reviews |
| Oceanic Pollution Caused by Microplastics | Atsuhiko ISOBE | 8 |
| Importance of Fundamental Polymer Science of Microplastics | Atsushi TAKAHARA | 12 |
| Microplastics and Polymer Recycle | Isaburo FUKAWA, Youichiro IDE | 16 |
| PolyMANGA | 20 |
| COVER STORY: Topics and Products |
| A Puzzle of Lost Marine Microplastic: Fragmentation Mechanism of Polypropylene in Water | Hisayuki NAKATANI | 21 |
| Design and Synthesis of Novel Biodegradable Copolymers with Controlled Sequence | Yuushou NAKAYAMA | 23 |
| The Naturally Occuring Polymer PHBH and its Realisation | Shunsuke SATO | 25 |
| Polymer Science and I: A Personal Account |
| What's Your Strength ? | Shinji KANEHASHI | 27
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| Messages: “Work and Life” |
| I am not a Superwoman | Kayo TERADA | 28
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| Front-Line Polymer Science |
| Recent Development in the High-Performance of Biodegradable Biomass Plastics | Tadahisa IWATA | 29
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| Hidden Items in Laboratory |
| Visiting Lecturer’s Book | Hiroshi HOSOKAWA | 34
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| A Paper of Memories |
| Nanoparticles Like Antibodies | Yu HOSHINO | 34
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| Polymer Select |
| Elucidation of the Characteristics of Hierarchical Structures of the Solid State of Polymers | Kohji TASHIRO | (pdf)41
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| Messages from SPSJ | 35 |
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