| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
This study aimed to develop new copolymerization systems including concurrent vinyl-addition and ring-opening cationic copolymerization through the elaborate design of cationic propagating species with high reactivity and selectivity. Meaningful results were obtained, particularly in the developments of the following systems: cationic copolymerization of lactic acid-derived dioxolanones; ABC-pseudo periodic cationic terpolymerization of vinyl ethers, oxiranes, and ketones; a new type of copolymerization through tandem unzipping and scrambling reactions; controlled cationic copolymerization of vinyl ethers and cyclic acetals; synthesis of copolymers degradable by various stimuli; living cationic polymerization of oxiranes; and cationic vinyl-addition and ring-opening copolymerization of styrene derivatives and oxiranes.
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