| Synthesis and MALDI-TOF Characterization of β-CD Core ATRP Initiators and RAFT Chain Transfers with Different Degrees of Substitution |
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| 引用本文： | 袁金颖.Synthesis and MALDI-TOF Characterization of β-CD Core ATRP Initiators and RAFT Chain Transfers with Different Degrees of Substitution[J].高分子科学,2015,33(1):36-48. |
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| 作者姓名： | 袁金颖 |
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| 作者单位： | Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry,Tsinghua University |
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| 基金项目： | financially supported by the National Natural Science Foundation of China(Nos.21174076 and 21374053) |
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| 摘 要： | In this paper, three different kinds of β-CD derivatives were synthesized as atom transfer radical polymerization(ATRP) initiator or reversible addition-fragmentation chain transfer polymerization(RAFT) chain transfers. The degree of substitution for each derivative was carefully characterized through 1H-NMR, 13C-NMR spectroscopy and matrix-assisted laser desorption/ionization time of flight mass spectrometry(MALDI-TOF-MS). The factors influencing the degree of substitution were discussed. Moreover, the comparison between ATRP and RAFT was shown in the polymerization of Nisopropyl acrylamide(NIPAM).
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| 关 键 词： | β-CD core star polymers MALDI-TOF ATRP initiators RAFT chain transfers GPC |
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