2,6,6-三甲基双环[3.1.1]庚-2-烯与6,6-二甲基-2-亚甲基双环[3.1.1]庚烷、3-亚甲烯-6-(1-甲乙基)环己烯和1-甲基-4-(1-甲基乙烯基)环己烯的聚合物(Bicyclo3.1.1hept-2-ene, 2,6,6-trimethyl-, polymer with 6,6-dimethyl-2-methylenebicyclo3.1.1heptane, 3-methylene-6-(1-methylethyl)cyclohexene and 1-methyl-4-(1-methylethenyl)cyclohexene)