Patent ID: 6093779
Filing Date: 2000-07-25
Classification: B33Y,C08G

Abstract:
Composition comprising at least one nonvolatile acetylene of the formula IR.sub.a --C.tbd.C--R.sub.b (I),in whichR.sub.a is C.sub.1 -C.sub.20 alkyl which is unsubstituted or substituted by halogen, --OH, --CN, --NH.sub.2, --NH(C.sub.1 -C.sub.6 alkyl), --N(C.sub.1 -C.sub.6 alkyl).sub.2, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkyl--O--, C.sub.1 -C.sub.6 alkyl--S--, C.sub.1 -C.sub.6 alkyl--C(O)O--, C.sub.1 -C.sub.6 alkyl--OC(O)--, --C(O)--NH.sub.2, C.sub.1 -C.sub.6 alkyl--C(O)NH-- or C.sub.1 -C.sub.6 alkyl--NHC(O)--, or is C.sub.3 -C.sub.12 cycloalkyl, (C.sub.3 -C.sub.12 cycloalkyl)--C.sub.1 -C.sub.12 alkyl, C.sub.6 -C.sub.18 aryl, C.sub.7 -C.sub.19 aralkyl, C.sub.1 -C.sub.20 alkoxy, C.sub.3 -C.sub.12 -cycloalkoxy, (C.sub.3 -C.sub.12 cycloalkyl)--C.sub.1 -C.sub.12 alkoxy, C.sub.6 -C.sub.18 aryloxy, C.sub.7 -C.sub.19 aralkyloxy, C.sub.3 -C.sub.9 heterocycloalkyl having 1 to 3 heteroatoms selected from the group consisting of O, N and S, or C.sub.3 -C.sub.15 heteroaryl having 1 to 3 heteroatoms selected from the group consisting of O, N and S, or R.sub.a is --(O).sub.k --SiR.sub.c R.sub.d R.sub.e, C.sub.1 -C.sub.18 alkyl--OC(O)--, --C(O)--NH.sub.2 or C.sub.1 -C.sub.18 alkyl--NHC(O)--;R.sub.b is hydrogen or, independently, has the meaning of R.sub.a ;R.sub.c, R.sub.d and R.sub.e independently of one another are C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy, C.sub.5 - or C.sub.6 cycloalkyl, C.sub.5 - or C.sub.6 cycloalkoxy or unsubstituted or C.sub.1 -C.sub.6 alkyl- or C.sub.1 -C.sub.6 alkoxy-substituted phenyl, phenyloxy, benzyl or benzyloxy;and k is 0 or 1;alone or together with a strained cycloolefin and catalytic amounts of a catalyst for metathesis polymerization,wherein it comprises at least one one-component catalyst from the group of molybdenum compounds, tungsten compounds, niobium compounds and tantalum compounds which comprise (a) either at least two methyl groups or two monosubstituted methyl groups without .alpha. hydrogen atoms in the substituent or (b) at least one halogen and only one silylmethyl group attached to the metal.