Journal
POLYMER CHEMISTRY
Volume 5, Issue 24, Pages 6893-6897Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4py00964a
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Funding
- National Natural Science Foundation of China [21174005, 21274004]
- National Basic Research Program of China (973 program) [2011CB933300]
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A new mechanophore was synthesized from a dithioester derivative 1 and an open-chain diene 2 by the HDA reaction. It was embedded in the polymer chain by initiating the polymerization of methyl acrylate (MA). It was found that the PMA with M-n > 30 kDa could undergo a mechanically induced retro RAFT-HDA reaction rapidly at ambient temperature. The released species was evidenced chemically and spectroscopically, and the liberated dithioester derivative 1 maintained the activity to react with cyclopentadiene (Cp) or to copolymerize with styrene (St).
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