The present invention provides:

a copolymer (A) which is a copolymer obtained by copolymerizing one or plural cycloolefin monomers and one or plural acyclic olefin monomers, or a copolymer obtained by copolymerizing two or more cycloolefin monomers, wherein the glass transition temperature (Tg) of the copolymer is 100 C. or higher, the refractive index of the copolymer is 1.545 or higher, and the Abbe's number of the copolymer is 50 or larger, and at least one of the cycloolefin monomers is a deltacyclene.

This invention relates to a process to polymerize olefins comprising contacting, in solution phase at a temperature of 60 C. to 200 C., ethylene, and at least one olefin comonomer with a catalyst system comprising a non-coordinating anion activator and a metallocene catalyst compound, preferably represented by the formula:

##STR00001##

and
2) obtaining ethylene polymer having an Mw greater than 100,000 g/mol, preferably greater tha 400,000 g/mol.

Butyl based composition having hydrocarbon resins are provided herein. The hydrocarbon resin has a Tg from 10 C. to 25 C., a number average molecular weight between 20 to 500, a weight average molecular weight between about 100 to about 2000, and a glass transition temperature between about 0 C. to about 80 C.

Butyl based composition having hydrocarbon resins are provided herein. The hydrocarbon resin has a Tg from 10 C. to 25 C., a number average molecular weight between 20 to 500, a weight average molecular weight between about 100 to about 2000, and a glass transition temperature between about 0 C. to about 80 C.

The present disclosure provides copolymers comprising from about 0.5 wt % to about 25 wt % cyclic olefin content and films comprising the copolymers. In one embodiment, a copolymer includes a C.sub.2-C.sub.40 monomer content of from about 75 wt % to about 99.5 wt %; and a C.sub.5-C.sub.40 cyclic olefin comonomer content of from about 0.5 wt % to about 25 wt %. The copolymer has a density of about 0.91 g/cm.sup.3 to about 0.933 g/cm.sup.3. Films of the present disclosure can have advantageous mechanical properties (such as melt strength) and optical properties (such as haze %).

This invention relates to blend, and films thereof, comprising: 1) semicrystalline cyclic olefin copolymer comprising less than 15 wt % of a C.sub.5-C.sub.40 cyclic olefin comonomer and greater than 85 wt % of a C.sub.2-C.sub.40 linear and/or branched olefin monomer content having a density of about 0.92 g/cm.sup.3 to about 0.94 g/cm.sup.3, modulus less than 20-80 kpsi, an elongation at break of 150-500%, and a glass transition temperatures less than 38 C.; 2) an amorphous cyclic olefin copolymer comprising more than 25 wt % of a C.sub.5-C.sub.40 cyclic olefin comonomer and less than 75 wt % of a C.sub.2-C.sub.40 linear and/or branched olefin monomer having a density greater than 1.0 g/cm.sup.3, a modulus of 260-380 kpsi, an elongation at break of <4%, and a glass transition temperature of 54 to 138 C.; and 3) a semicrystalline olefin copolymer comprising C.sub.2-C.sub.40 monomers having a density of about 0.90 g/cm.sup.3 to about 0.96 g/cm.sup.3, a modulus less than 150 kpsi, an elongation at break of greater than 400%, and a glass transition temperatures less than 32 C.

Polymer of formula (1) bearing an alkoxysilane end group: ##STR00001## in which: is a double or single bond; each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is H, a halo, an alkoxycarbonyl or an alkyl, m and p are each from 0 to 5, each of R and R is an alkyl, Z is an alkylene, optionally interrupted with COO, q is 0 or 1, r is 0, 1 or 2, and n is such that the number-average molar mass of the polymer (1) is from 400 to 50 000 g/mol, and the polydispersity index of the polymer (1) is from 1.0 to 2.0. Preparation by ring-opening metathesis polymerization. Use as an adhesion promoter or a reactive plasticizer.

Polymer of formula (1) bearing an alkoxysilane end group: ##STR00001## in which: is a double or single bond; each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is H, a halo, an alkoxycarbonyl or an alkyl, m and p are each from 0 to 5, each of R and R is an alkyl, Z is an alkylene, optionally interrupted with COO, q is 0 or 1, r is 0, 1 or 2, and n is such that the number-average molar mass of the polymer (1) is from 400 to 50 000 g/mol, and the polydispersity index of the polymer (1) is from 1.0 to 2.0. Preparation by ring-opening metathesis polymerization. Use as an adhesion promoter or a reactive plasticizer.

This invention relates to a process to produce cyclic olefin containing polymer compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I):

##STR00001##

where M, L, X, m, n, E, E, Q, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.1, R.sup.2, R.sup.3, R.sup.4, A.sup.1, A.sup.1, A.sup.3A.sup.2, and A.sup.2A.sup.3 are as defined herein, where A.sup.1QA.sup.1 are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A.sup.2 to A.sup.2 via a 3-atom bridge with Q being the central atom of the 3-atom bridge.

This invention relates to a process to produce cyclic olefin containing polymer compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I):

##STR00001##

where M, L, X, m, n, E, E, Q, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.1, R.sup.2, R.sup.3, R.sup.4, A.sup.1, A.sup.1, A.sup.3A.sup.2, and A.sup.2A.sup.3 are as defined herein, where A.sup.1QA.sup.1 are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A.sup.2 to A.sup.2 via a 3-atom bridge with Q being the central atom of the 3-atom bridge.