Abstract
A new methacrylate monomer having a sec-amine, a triphenylmethyl group, and an internal olefin was synthesized. The polymer obtained by radical polymerization of the monomer was deprotected with trifluoroacetic acid, followed by washing with a saturated solution of NH4PF6 to afford the corresponding polymer having a sec-ammonium salt unit. The synthesis of side-chain-type polyrotaxane was carried out with the polymer and dibenzo-24-crown-8 ether in the presence of ruthenium carbene complex (Grubbs 1st catalyst). The resulting polymer was insoluble. The IR spectra suggested that the obtained polyrotaxane contained crosslinking structures.
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