アルカリ金属-GICと不飽和炭化水素との相互作用

抄録

RbC₂₄ and CsC₂₄ were allowed to react with isoprene, 1, 3-butadiene or styrene. RbC₂₄ expanded slowly alongthe c-axis direction through contact with these unsaturated hydrocarbons. Monomer molecules are considered to beintroduced into the interlayer of RbC₂₄ and polymerized. In the case of CsC₂₄, isoprene was polymerized in a similarmanner as above, whereas the reactivity of 1, 3-butadiene and styrene was low. Thedifferent reactivities are explained on the basis of the activity of polymerization initiators. The degree of charge-transfer from alkali metal to graphite basalplane in the graphite intercalation compound (GIC) of Rb is higher than that of Cs, which results in the higher activityof RbC₂₄ as a polymerization initiator.