Abstract
Methacrylate-ended rodlike macromonomers consisting of poly(n-hexyl isocyanate) (MA-HIC-n(2), where n is a degree of polymerization of n-hexyl isocyanate (HIC)) with narrow molecular weight distribution have successfully been synthesized in CH2Cl2 at room temperature by living coordination polymerization of HIC using 2-methacrylate ethyloxydichloro(cyclopentadienyl)titanium (IV) (1) as an initiator. The rodlike macromonomers prepared have carefully been characterized by size exclusion chromatography fitted with a multiangle laser light scattering (SEC−MALS) and 1H NMR spectroscopy. The radical copolymerization behavior of the rodlike macromonomers (M2) with methyl methacrylate (MMA) (M1) or styrene (ST) (M1) in benzene at 60 °C has thoroughly been studied and rationalized with a function of degree of polymerization of HIC. In region of degree of polymerization (n) higher than 26, the macromonomer's apparent reactivity (1/r1) relative to MMA was found to be almost independent of n and macromonomer concentr...
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