Polyolefin polymer and method of making same

Abstract

A polyolefin composition comprises repeating units of a metathesis polymerizable olefin monomer, a metathesis polymerization procatalyst, a metathesis polymerization procatalyst activator, and at least one member selected from the group consisting of: (i) a Lewis acid catalyst and a Lewis acid cocatalyst, effective to obtain a residual metathesis polymerizable olefin monomer level of from 0 to 0.25 weight percent, based on the weight of the polyolefin; (ii) an anionic polymerization catalyst; (iii) a free radical polymerization initiator; and (iv) a hydrosilation polymerization catalyst. The method for making the composition is also disclosed. The use of metathesis polymerization in conjunction with another type of polymerization can achieve a variety of beneficial effects, including a very low level of residual metathesis polymerizable monomer.

What is claimed is: 
     
       1. A polymer comprising the reaction product of: A. a polyolefin comprising repeating units of a metathesis polymerizable olefin;   B. a metathesis polymerization procatalyst and a metathesis polymerization procatalyst activator; and   C. at least one member selected from the group consisting of: i. a Lewis acid catalyst, and a Lewis acid cocatalyst, effective to obtain a residual metathesis polymerizable olefin monomer level of from about 0 to 0.25 weight percent, based on the weight of the polyolefin;   ii. an anionic polymerization catalyst;   iii. a free radical polymerization initiator; and   iv. a hydrosilation polymerization catalyst and a monomer comprising a hydrosilane group.     
     
     
       2. The polymer as described in claim 1, wherein the polymer has a residual metathesis polymerizable olefin monomer level of from 0 to 0.25 weight percent, based on the weight of the polyolefin. 
     
     
       3. The polymer as described in claim 2, wherein: (a) the Lewis acid catalyst comprises at least one member selected from the group consisting of a boron halide, a tin halide, an aluminum halide, a titanium halide, an antimony halide, a bismuth halide, an iron halide, a zinc halide, a zirconium halide, boron trifluoride etherate, boron trifluoride-N,N-diethylaniline, boron trifluoride-tetrahydrofuran, tin (IV) chloride, tin(IV) bromide, boron trifluoride quinuclidine, a polymeric Lewis acid, a protonic acid, a cation generator, and ionizing radiation; and   (b) the Lewis acid cocatalyst comprises at least one member selected from the group consisting of alkyl halide, aryl halide, isobutyl chloride, tert-butyl chloride, benzyl chloride, vinylbenzyl chloride, 1-bromodecane, 2-ethylhexyl chloride, 2-ethylhexyl bromide, t-butyl acetate, chlorodiphenylmethane, and a polymeric chloride.   
     
     
       4. The polymer as described in claim 3, the polyolefin comprising dicyclopentadiene. 
     
     
       5. The polymer as described in claim 4, prepared using the Lewis acid catalyst and the Lewis acid cocatalyst. 
     
     
       6. The polymer as described in claim 5, wherein the polymer is prepared with a polymerization reaction rate moderator. 
     
     
       7. The polymer as described in claim 6, the reaction rate moderator comprising at least one member selected from the group consisting of butyl ether, di-n-butyl ether, n-hexyl ether, dimethyl ether of diethylene glycol (diglyme), butyl diglyme, ethyl benzoate, maleic anhydride, alkylzinc compounds, aniline, dialkylaniline, alkylaniline, N-alkylaniline, N-ethylaniline, N,N-di-ethylaniline, alkyl arylamines, triethylanime, hexamethylene tetramine, indoline, ethylpiperidine, methylpiperidine, pyridine, 2,4,6-trimethylpyridine, borontrifluoride pyridine, borontrifluoride-2,6-dimethylpyridine, 2-,3-,4-disubstituted pyridines, 3,4-disubstitutedpyridines, 2-,2,3,-di-substituted pyrazines, 2,5-di-substituted pyrazines, quinoline, isoquinoline, quinoxaline, quinuclidine, phenanthridine, pyrimidine, tributylphosphine, triphenylphosphosphine, 1,4-diazabicyclo[2.2.2]octane, trialkyl phosphites, trimethylphosphite, triethylphosphite, triisopropylphosphite, tributylphosphite, triisobutylphosphite, tripentyl phosphite, trihexylphosphite, triheptylphosphite, triisooctyl phosphite, trineodecyl phosphite, norbornene phosphites, tris(5-norbornenyl-2-methyl) phosphite, isooctyldiphenyl phosphite, diethyl ethylenepyrophosphite, tetraethyl pyrophosphite, di isodecylpentaerythritol diphosphite, tris(2-chloroethyl)phosphite, diethyl chlorophosphite, ethyl dichlorophosphite, ethylene chlorophosphite, tridodecyl trithiophosphite, 1,2-phenylenephosphorochloridite, diisopropyl phenylphosphonite, diethylphenyl phosphonite, ethyl diphenylphosphonite, trialkyl phosphates, triethyl phosphate, tributyl phosphate, tricresylphosphate, norbornene phosphates, tris(5-norbornenyl-2-methyl) phosphate, triaryl phosphates, triphenylphosphate, and butylated triphenyl phosphate. 
     
     
       8. The polymer as described in claim 5, comprising a residual metathesis polymerizable olefin monomer level of from about 0 to 0.15 weight percent, based on the weight of the polyolefin. 
     
     
       9. The polymer as described in claim 8, wherein the monomer in addition to dicyclopentadiene comprises at least one member selected from the group consisting of: tricyclopentadiene, norbornene, 1,3-diisopropenylbenzene, 1,4-diisopropenylbenzene, α-methylstyrene, pinene, 5-ethylidene-2-norbornene, β-pinene, polyisoprene, diisobutylene, polyindane, acenaphthylene, 5,5'-sulfonyl-bis(2-norbornene), hexamethylene-bis(5-norbornene-2-carboxylate), 1,4,5,8-dimethano-1,4,4a, 5,8,8a-hexahydronaphthalene, 1,5-cyclooctadiene, 1,5,9-cyclododecatriene, hexamethylcyclotrisiloxane, 4-methylstyrene, and poly(vinylbenzyl chloride). 
     
     
       10. The polymer as described in claim 8, wherein the composition is prepared from: i. (a) a Lewis acid catalyst comprising at least one member selected from the group consisting of boron trifluoride etherate, boron trifluoride-N,N-diethylaniline, and boron trifluoride-tetrahydrofuran; and   (b) a Lewis acid cocatalyst comprising at least one member selected from the group consisting of isobutyl chloride, tert-butyl chloride, benzyl chloride, vinylbenzyl chloride, 1-bromodecane, 2-ethylhexyl bromide, and 2-ethylhexyl chloride;     ii. (a) an additional monomer or compound comprising at least one member selected from the group consisting of m-diisopropenylbenzene, p-diisopropenylbenzene, α-methylstyrene, 5-ethylidene-2-norbornene, naphthalene, β-pinene, 2,6-di-tert-butylphenol, polyisoprene, diphenylamine, diisobutylene, polyindane, poly(vinylbenzylchloride), acenaphthylene, 1,4,5,8-dimethano-1,4,4a,5,8,8a-hexahydronaphthalene, N,N'-diphenyl-p-phenylenediamine, 1,5-cyclooctadiene, 1,5,9-cyclododecatriene, hexamethylene-bis(5-norbornene-2-carboxylate), dimethanohexahydronaphthalene, poly(dicyclopentadiene), and hexamethylcyclo-trisiloxane; and   (b) a Lewis acid cocatalyst comprising at least one member selected from the group consisting of isobutyl chloride, tert-butyl chloride, 2-ethylhexyl chloride, and 2-ethylhexyl bromide;     iii. a free radical polymerization initiator comprising a mixture of 2,2'-azobis(2-methyl-butyronitrile) and dicumyl peroxide; and   iv. a hydrosilation polymerization catalyst together with at least one member selected from methylhydrocyclosiloxanes and a methylhydrodimethylsiloxane copolymer.   
     
     
       11. The polymer as described in claim 5, comprising the reaction product prepared with the following: repeating units of dicyclopentadiene in an amount of from about 1 to 99 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst in a molar ratio of metathesis polymerization procatalyst:metathesis polymerizable olefin of from about 1:500 tp 1:15,000;   the metathesis polymerization procatalyst activator in an amount within the group selected from: a molar ratio of Sn:W of from about 1.5:1 to 1:1, and a molar ratio of Al:W of from about 2:1 to 4:1;   the Lewis acid catalyst in an amount of from about 0.1 to 5 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst; and   the Lewis acid cocatalyst in an amount of from about 0.05 to 5 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst.   
     
     
       12. The polymer as described in claim 11, comprising the reaction product prepared with the following: the repeating units of dicyclopentadiene in an amount of from about 10 to 95 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst in a molar ratio of metathesis polymerization procatalyst:metathes is polymerizable olefin of from about 1:1000 to 1:3000;   the metathesis polymerization procatalyst activator in an amount within the group selected from: a molar ratio of Sn:W of from about 2:1 to 6:1, and a molar ratio of Al:W of from about 2.5:1 to 3.5:1;   the Lewis acid catalyst in an amount of from about 0.25 to 2 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst; and   the Lewis acid cocatalyst in an amount of from about 0.2 to 2 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst.   
     
     
       13. The polymer as described in claim 12, comprising the reaction product prepared with the following: repeating units of dicyclopentadiene in an amount of from about 75 to 90 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst in the composition in a molar ratio of metathesis polymerization procatalyst:metathesis polymerizable olefin of from about 1:1500 to 1:3000;   the metathesis polymerization procatalyst activator in an amount within the group selected from: a molar ratio of Sn:W of from about 2:1 to 3:1, and a molar ratio of Al:W of from about 2.75:1 to 3.25:1;   the Lewis acid catalyst in an amount of from about 0.5 to 1 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst; and   the Lewis acid cocatalyst in an amount of from about 0.25 to 0.5 weight percent, based on weight of monomer polymerizable with a Lewis acid catalyst.   
     
     
       14. The polymer as described in claim 11, wherein: the metathesis polymerization procatalyst comprises at least one member selected from the group consisting of tungsten halide, tungsten oxyhalide, molybdenum halide, molybdenum oxyhalide, rhenium halide, rhenium oxyhalide, tantalum halide, tantalum oxyhalide, niobium halide, and niobium oxyhalide; and   the metathesis polymerization procatalyst activator comprises at least one member selected from the group consisting of an alkylaluminum compound, an alkylzinc compound an alkyltin compound, an alkylmagnesium compound, an alkyllithium compound, and a tin hydride.   
     
     
       15. The polymer as described in claim 14, wherein: the metathesis polymerization procatalyst comprises at least one member selected from the group consisting of a tungsten halide, a tungsten oxyhalide, a molybdenum halide, and a molybdenum oxyhalide, and a tungsten catalyst complex having the formula: ##STR12##  wherein: X comprises at least one member selected from the group consisting of Cl and Br; n comprises at least one member selected from the group consisting of 2 and 3;   R 1  comprises at least one member selected from the group consisting of H, Cl, an alkyl group having 1-10 carbons, an alkoxy group having 1 to 8 carbons, and a phenyl group;   R 2  comprises at least one member selected from the group consisting of H, a halogen, and an alkyl group having 1 to 9 carbon atoms; and   R 3  comprises at least one member selected from the group consisting of H, an alkyl group having 1 to 10 carbon atoms, a tin activator compound having the formula R 3  SnH, where R is an alkyl group having 1 to 10 carbon atoms, and a phenyl group; and   the metathesis polymerization procatalyst activator comprises at least one member selected from the group consisting of a trialkylaluminum compounds, a dialkylaluminum halide, an alkylaluminum dihalide wherein the alkyl groups contain from 1 to 12 carbon atoms, triethylaluminum, diethylaluminum chloride, ethylaluminum dichloride, ethylaluminum chloride n-propoxide, a mixture of tri-n-octylaluminum:dioctyl-aluminum iodide:diglyme, tributyltin hydride, tetrabutyl tin, and t-butyl chloride.     
     
     
       16. A method for making a polyolefin, comprising: A. combining a metathesis polymerizable olefin monomer with a metathesis polymerization procatalyst, a metathesis polymerization procatalyst activator, and at least one member selected from the group consisting of: i. a Lewis acid catalyst, and a Lewis acid cocatalyst, efffective to obtain a residual metathesis polymerizable olefin monomer level of from 0 to 0.25 weight percent, based on the weight of the polyolefin;   ii. an anionic polymerization catalyst;   iii. a free radical polymerization initiator; and   iv. a hydrosilation polymerization catalyst and a monomer comprising a hydrosilane group;     B. polymerizing the metathesis polymerizable olefin.   
     
     
       17. The method as described in claim 16, wherein the polyolefin comprises a residual metathesis polymerizable olefin monomer level of from 0 to 0.25 weight percent, based on the weight of the polyolefin. 
     
     
       18. The method as described in claim 17, wherein: (a) the Lewis acid catalyst comprises at least one member selected from the group consisting of a boron halide, a tin halide, an aluminum halide, a titanium halide, an antimony halide, a bismuth halide, an iron halide, a zinc halide, a zirconium halide, boron trifluoride etherate, boron trifluoride-N,N-diethylaniline, boron trifluoride-tetrahydrofuran, tin (IV) chloride, tin(IV) bromide, boron trifluoride quinuclidine, a polymeric Lewis acid, a protonic acid, a cation generator, and ionizing radiation; and   (b) the Lewis acid cocatalyst comprises at least one member selected from the group consisting of alkyl halide, aryl halide, isobutyl chloride, tertbutyl chloride, benzyl chloride, vinylbenzyl chloride, 1-bromodecane, 2-ethylhexyl chloride, 2-ethylhexyl bromide, t-butyl acetate, chlorodiphenylmethane, and a polymeric chloride.   
     
     
       19. The method as described in claim 18, wherein the polyolefin comprises dicyclopentadiene. 
     
     
       20. The method as described in claim 19, comprising a residual metathesis polymerizable olefin monomer level of from about 0 to 0.15 weight percent, based on the weight of the polyolefin. 
     
     
       21. The method as described in claim 20, wherein a monomer in addition to dicyclopentadiene is present and comprises at least one member selected from the group consisting of: tricyclopentadiene, norbornene, 1,3-diisopropenylbenzene, 1,4-diisopropenylbenzene, α-methylstyrene, pinene, 5-ethylidene-2-norbornene, β-pinene, polyisoprene, diisobutylene, polyindane, acenaphthylene, 5,5'-sulfonyl-bis(2-norbornene), hexamethylene-bis(5-norbornene-2-carboxylate), 1,4,5,8-dimethyano-1,4,4a,5,8,8a-hexahydronaphthalene, 1,5-cyclooctadiene, 1,5,9-cyclododecatriene, hexamethylcyclo-trisiloxane, 4-methylstyrene, and poly(vinylbenzyl chloride). 
     
     
       22. The method as described in claim 20, wherein at least one member selected from the group consisting of: i. (a) a Lewis acid catalyst comprising at least one member selected from the group consisting of boron trifluoride etherate, boron trifluoride-N,N-diethylaniline, and boron trifluoride-tetahydrofuran; and   (b) a Lewis acid cocatalyst comprising at least one member selected from the group consisting of isobutyl chloride, tert-butyl chloride, benzyl chloride, vinylbenzyl chloride, 1-bromodecane, 2-ethylhexyl bromide, and 2-ethylhexyl chloride;     ii. (a) an additional monomer or compound comprising at least one member selected from the group consisting of m-diisopropenylbenzene, p-diisopropenylbenzene, α-methylstyrene, 5-ethylidene-2-norbornene, naphthalene, β-pinene, 2,6-di-tert-butylphenol, polyisoprene, diphenylamine, diisobutylene, polyindane, poly(vinylbenzylchloride), acenaphthylene, 1,4,5,8-dimethano-1,4,4a,5,8,8a-hexahydronaphthalene, N,N'-diphenyl-p-phenylenediamine, 1,5-cyclooctadiene, 1,5,9-cyclododecatriene, hexamethylene-bis(5-norbornene-2-carboxylate), dimethanohexahydronaphthalene, poly(dicyclopentadiene), and hexamethylcyclo-trisiloxane; and   (b) a Lewis Acid cocatalyst comprising at least one member selected from the group consisting of isobutyl chloride, tert-butyl chloride, 2-ethylhexyl chloride, and 2-ethylhexyl bromide;     iii. a free radical polymerization initiator comprising a mixture of 2,2'-azobis(2-methyl-butyronitrile) and dicumyl peroxide; and   iv. a hydrosilation polymerization catalyst together with at least one member selected from methylhydrocyclosiloxanes and a methylhydrodimethylsiloxane copolymer; is combined with the metathesis polymerizable olefin, the metathesis polymerization procatalyst, and the metathesis polymerization procatalyst activator.     
     
     
       23. The method as described in claim 19, further comprising: A. providing a plurality of reactant streams, wherein a first reactant stream comprises the metathesis polymerization procatalyst activator and a portion of the metathesis polymerizable olefin, and a second reactant stream comprises the metathesis polymerization procatalyst and a portion of the the metathesis polymerizable olefin, wherein at least one reactant stream further comprises at least one member selected from the group consisting of: i. a Lewis acid catalyst and a Lewis acid cocatalyst, present in separate reactant streams;   ii. an anionic polymerization catalyst;   iii. a free radical polymerization initiator;   iv. a hydrosilation polymerization catalyst; and     B. mixing the reactant streams together whereby a reaction mixture is formed;   C. forming the reaction mixture into a desired shape before the polymerization of the metathesis polymerizable olefin.   
     
     
       24. The process as described in claim 23, wherein the step of forming the reaction mixture into a desired shape is carried out by injecting the reaction mixture into a mold cavity, and wherein the reaction mixture is allowed to polymerize to a degree of substantial reaction termination while the reaction mixture is within the mold, whereby a molded article is produced, followed by removing the molded article from the mold. 
     
     
       25. The process as described in claim 24, wherein the number of reactant streams is from two to four. 
     
     
       26. The method as described in claim 19, wherein the Lewis acid catalyst and the Lewis acid cocatalyst are combined with the metathesis polymerizable olefin, the metathesis polymerization procatalyst, and the metathesis polymerization procatalyst activator. 
     
     
       27. The method as described in claim 26, wherein a polymerization reaction rate moderator is combined with the metathesis polymerizable olefin, the metathesis polymerization procatalyst, the metathesis polymerization procatalyst activator, the Lewis acid catalyst, and the Lewis acid cocatalyst. 
     
     
       28. The method as described in claim 27, the polymerization reaction rate moderator comprising at least one member selected from the group consisting of butyl ether, di-n-butyl ether, n-hexyl ether, dimethyl ether of diethylene glycol (diglyme), butyl diglyme, ethyl benzoate, maleic anhydride, alkylzinc compounds, aniline, dialkylaniline, alkylaniline, N-alkylaniline, N-ethylaniline, N,N-diethylaniline, alkyl arylamines, triethylanime, hexamethylene tetramine, indoline, ethylpiperidine, methylpiperdine, pyridine, 2,4,6-trimethylpyridine, borontrifluoride pyridine, borontrifluoride-2,6-dimethylpyridine, 2-,3-,4-disubstituted pyridines, 3,4-disubstituted pyridines, 2-,2,3,-di-substituted pyrazines, 2,5-di-substituted pyrazines, quinoline, isoquinoline, quinoxaline, quinuclidine, phenanthridine, pyrimidine, tributylphosphine, triphenylphosphosphine, 1,4-dizabicyclo[2.2.2]octane, trialkyl phosphites, trimethylphosphite, triethylphosphite, triisopyropylphosphite, tributylphosphite, triisobutylphosphite, tripentyl phosphite, trihexylphosphite, trikeptylphosphite, triisooctyl phosphite, trineodecyl phosphite, norbornene phosphites, tris(5-norbornenyl-2-methyl)phosphite, isooctyldiphenyl phosphite, diethyl ethylenepyrophosphite, tetraethyl pyrophosphite, diisodecylpentaerythritol diphosphite, tris(2-chloroethyl)phosphite, diethyl chlorophosphite, ethyl dichlorophosphite, ethylene chlorophosphite, tridodecyl trithiophosphite, 1,2-phenylenephosphorochloridite, diisopropyl phenylphosphonite, diethylphenyl phosphonite, ethyl diphenylphosphonite, trialkyl phosphates, triethyl phosphate, tributyl phosphate, tricresylphosphate, norbornene phosphates, tris(5-norbornenyl-2-methyl)phosphate, triaryl phosphates, triphenylphosphate, and butylated triphenyl phosphate.   
     
     
       29. The method as described in claim 26, wherein: repeating units of dicyclopentadiene are present in an amount of from about 1 to 100 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst is present in a molar ratio of metathesis polymerization procatalyst:metathesis polymerizable olefin of from about 1:500 to 1:15,000;   the metathesis polymerization procatalyst activator is present in an amount within the group selected from: a molar ratio of Sn:W of from about 1.5:1 to 9:1, and a molar ratio of Al:W of from about 2:1 to 4:1;   the Lewis acid catalyst is present in an amount of from about 0.1 to 5 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst; and   the Lewis acid cocatalyst is present in an amount of from about 0.05 to 5 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst.   
     
     
       30. The method as described in claim 29, wherein: repeating units of dicyclopentadiene are present in an amount of from about 10 to 100 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst is present in a molar ratio of metathesis polymerization procatalyst:metathesis polymerizable olefin of from about 1:1000 to 1:3000;   the metathesis polymerization procatalyst activator is present in an amount within the group selected from: a molar ratio of Sn:W of from about 2:1 to 6:1, and a molar ratio of Al:W of from about 2.5:1 to 3.5:1;   the Lewis acid catalyst is present in an amount of from about 0.25 to 2 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst; and   the Lewis acid cocatalyst is present in an amount of from about 0.2 to 2 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst.   
     
     
       31. The method as described in claim 30, wherein: repeating units of dicyclopentadiene are present in an amount of from about 75 to 100 weight percent, based on the weight of the polyolefin;   the metathesis polymerization procatalyst is present in the composition in a molar ratio of metathesis polymerization procatalyst:metathesis polymerizable olefin of from about 1:1500 to 1:3000;   the metathesis polymerization procatalyst activator is present in an amount within the group selected from: a molar ratio of Sn:W of from about 2:1 to 3:1, and a molar ratio of Al:W of from about 2.75:1 to 3.25:1;   the Lewis acid catalyst is present in an amount of from about 0.5 to 1 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst; and   the Lewis acid cocatalyst is present in an amount of from about 0.25 to 0.5 weight percent, based on weight of monomer polymerizable with the Lewis acid catalyst.   
     
     
       32. The method as described in claim 29, wherein: the metathesis polymerization procatalyst comprises at least one member selected from the group consisting of tungsten halide, tungsten oxyhalide, molybdenum halide, molybdenum oxyhalide, rhenium halide, rhenium oxyhalide, tantalum halide, tantalum oxyhalide, niobium halide, and niobium oxyhalide; and   the metathesis polymerization procatalyst activator comprises at least one member selected from the group consisting of an alkylaluminum compound, an alkylzinc compound an alkyltin compound, an alkylmagnesium compound, an alkyllithium compound, and a tin hydride.   
     
     
       33. The method as described in claim 32, the metathesis polymerization procatalyst comprising at least one member selected from the group consisting of a tungsten halide, a tungsten oxyhalide, a molybdenum halide, and a molybdenum oxyhalide, and a tungsten catalyst complex having the formula: ##STR13## wherein: X comprising at least one member selected from the group consisting of Cl and Br; n comprises at least one member selected from the group consisting of 2 and 3;   R 1  comprises at least one member selected from the group consisting of H, Cl, an alkyl group having 1-10 carbons, an alkoxy group having 1 to 8 carbons, and a phenyl group;   R 2  comprises at least one member selected from the group consisting of H, a halogen, and an alkyl group having 1 to 9 carbon atoms; and   R 3  comprises at least one member selected from the group consisting of H, an alkyl group having 1 to 10 carbon atoms, a phenyl group, and a tin activator compound having the formula R 3  SnH, where R is an alkyl group having 1 to 10 carbon atoms, and a phenyl group; and   the metathesis polymerization procatalyst activator comprising at least one member selected from the group consisting of trialkylaluminum compounds, a dialkylaluminum halide, an alkylaluminum dihalide wherein the alkyl groups contain from 1 to 12 carbon atoms, triethylaluminum, diethylaluminum chloride, ethylaluminum dichloride, ethylaluminum chloride n-propoxide, a mixture of tri-n-octylaluminum:dioctylaluminum iodide:diglyme, tributyltin hydride, tetrabutyl tin, and t-butyl chloride.