POLYMERS Vol.69 No.10
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COVER STORY
Cutting-Edge Polymer Reaction Research
Long before Staudinger has proposed the concept of macromolecules or polymers, peoples have been unconsciously performing reactions using polymeric substances as represented by the vulcanization of natural rubber. Today we know many indispensable polymer reactions such as the acetylation of celluloses, chloromethylation of cross-linked polystyrenes, and imidization of poly(amic acid)s. On the other hand, we have to focus on the deterioration and degradation of polymers taking a close relationship between polymeric materials and human society into account. In this special issue, we would like to introduce hot topics related to the cutting-edge polymer reaction research.
Editors: TAKAGI, SHIKINAKA, SENO, and MASHITA

Digest for English Readers
510

Hot Topics in Polymer Science in SPSJ
513
POLYMER JOURNAL: The Cover / Selected Papers
(April - June 2020)

Commentary
Polymer Reactions for Polymers in Next Generation Ikuyoshi TOMITA
514

COVER STORY: Highlight Reviews
Mechanochromic Polymers Driven by Polymer Reactions Hideyuki OTSUKA, Daisuke AOKI
515
Recent Advances in Macromolecular Coupling Reactions Tomohiro KUBO, Brent S. SUMERLIN
518

PolyMANGA
522

COVER STORY: Topics and Products
Molecular Conjugation by Controlled Click Chemistry Suguru YOSHIDA
523
Reversible Transformation Between Ionic Liquids and Coordination Polymers Tomoyuki MOCHIDA
525
Controlled Degradation by Polymer Reaction Nobuhiro KIHARA
527
Analysis of Polymer Degradation Reactions Shogo YAMANE, Junji MIZUKADO
529
Material Development in New Polyurethane Synthesis Reactions using CO2 Gas as Raw Material Kazuya KIMURA
531

Polymer Science and I: A Personal Account
Growing Sulfur Yuki ARAKAWA
533

Messages: “Work and Life”
On My Detour Journey Yuko KAMIKAWA
534

Front-Line Polymer Science
Recent Progress in Alternative Copolymerization of Carbon Dioxide and Epoxide Masayoshi HONDA, Hiroshi SUGIMOTO
535

My Study Abroad Experience
The Second Research Stay in Melbourne Yusuke YONAMINE
539

Messages from SPSJ
540
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