Novel clickable poly(n-hexyl isocyanate) (PHIC) with an alkyne or azide end group (1a  and 1b ) has been prepared by the living coordination polymerization using propargyloxy (cyclopentadienyl)titanium (IV) dichloride or 6-azide-1-hexanoloxy (cyclopentadienyl)titanium (IV) dichloride as a catalyst, respectively. The obtained PHICs were applied to the �click� reaction for the synthesis of poly(n-hexyl isocyanate)-b-poly(n-isopropyl acrylamide)(PHIC-b-PNIPAM). Additionally, the ring-opening polymerization of e-caprolactone or lactide initiated from a hydroxyl group at the PHIC chain end was carried out to synthesize poly(n-hexyl isocyanate)-b-poly(e-caprolactone) (PHIC-b-PCL) or poly(n-hexyl isocyanate)-b-polylactide (PHIC-b-PLA).

Precise synthesis of rod-coil block copolymer using clickable poly(<i>n</i>-hexyl isocyanate)

243rd National Meeting (2012)

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Precise synthesis of rod-coil block copolymer using clickable poly(n-hexyl isocyanate)