Cyclohexenylethyl-POSS®1-[2-(3-Cyclohexen-1-yl)ethyl]-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.13,9.15,15.17,13]octasiloxanePSS-[2-(3-环己烯)乙基]-七环戊基取代1-[2-(3-环己烯-1-基)乙基]-3,5,7,9,11,13,15-七环戊基五环[9.5.13,9.15,15.17,13]八硅氧烷环己烯基乙基-POSS®PSS-[2-(3-Cyclohexen-1-yl)ethyl]-Heptacyclopentyl substituted