This invention relates to catalyst systems comprising a catalyst compound having a bridged group 4 metal metallocene (where the bridge preferably contains an (Me.sub.2Si).sub.2 group, an activator, and a support material. In some embodiments, the present disclosure provides for polyolefins and a process for producing a polyolefin composition comprising contacting at least one olefin with a catalyst system.

This invention relates to catalyst systems comprising a catalyst compound having a bridged group 4 metal metallocene (where the bridge preferably contains an (Me.sub.2Si).sub.2 group, an activator, and a support material. In some embodiments, the present disclosure provides for polyolefins and a process for producing a polyolefin composition comprising contacting at least one olefin with a catalyst system.

Low molecular weight, highly branched polyolefins are provided. Also provided are catalyst-mediated methods of making the low molecular weight, highly branched polyolefins and a catalyst system for carrying out the methods. The catalyst system is a homogeneous catalytic system that includes a single-site organozirconium complex and hydrocarbon-soluble perfluoroarylborate co-catalyst that is highly active for the oligomerization of olefin monomers in non-polar media.

Low molecular weight, highly branched polyolefins are provided. Also provided are catalyst-mediated methods of making the low molecular weight, highly branched polyolefins and a catalyst system for carrying out the methods. The catalyst system is a homogeneous catalytic system that includes a single-site organozirconium complex and hydrocarbon-soluble perfluoroarylborate co-catalyst that is highly active for the oligomerization of olefin monomers in non-polar media.

Ethylene-1-octene copolymer characterized by a density in the range of 850 kg/m.sup.3 to 930 kg/m.sup.3 measured according to ISO 1183-187, a melt flow rate MFR2 (190° C., 2.16 kg) in the range of from 0.3 g/10 min to 100 g/10 min measured according to ISO 1133, a MFR.sub.10/MFR.sub.2 of from 5.0 to 15.0, a Mw/Mn of from 2.0 to 5.0, 1.0 to below 20 vinyl unsaturation units/100,000 C atoms, more than 5.0 to 35 vinylidene unsaturation units/100,000 C atoms, more than 5.0 to 30 vinylene unsaturation units/100,000 C atoms, more than 15.0 to 60 trisubstituted unsaturation units/100,000 C atoms, 26 to 150 total unsaturation units/100,000 C atoms, wherein the total unsaturation units/100,000 C atoms is the sum of vinyl unsaturation units/100,000 C atoms, vinylidene unsaturation units/100,000 C atoms, vinylene unsaturation units/100,000 C atoms and trisubstituted unsaturation units/100,000 C atoms, an unsaturation degree for unsaturation types e) to h) according to formula (I) wherein a vinyl unsaturation degree is in the range of from 5.0 to 15.0%, a vinylene unsaturation degree is in the range of from 20.0 to 30.0%, and wherein the sum of the vinyl unsaturation degree and vinylidene unsaturation degree is at least 30.0% and up to 50.0%.

[00001]$\begin{array}{cc}{\mathrm{unsaturation}}_{\mathrm{Type}}\mathrm{degree}\left(\%\right)=\frac{{\mathrm{unsaturation}}_{\mathrm{Type}}\mathrm{units}/100,000C\mathrm{atoms}}{\mathrm{total}\mathrm{unsaturation}\mathrm{units}/100,000C\mathrm{atoms}}*100& \left(I\right)\end{array}$

Ethylene-1-octene copolymer characterized by a density in the range of 850 kg/m.sup.3 to 930 kg/m.sup.3 measured according to ISO 1183-187, a melt flow rate MFR2 (190° C., 2.16 kg) in the range of from 0.3 g/10 min to 100 g/10 min measured according to ISO 1133, a MFR.sub.10/MFR.sub.2 of from 5.0 to 15.0, a Mw/Mn of from 2.0 to 5.0, 1.0 to below 20 vinyl unsaturation units/100,000 C atoms, more than 5.0 to 35 vinylidene unsaturation units/100,000 C atoms, more than 5.0 to 30 vinylene unsaturation units/100,000 C atoms, more than 15.0 to 60 trisubstituted unsaturation units/100,000 C atoms, 26 to 150 total unsaturation units/100,000 C atoms, wherein the total unsaturation units/100,000 C atoms is the sum of vinyl unsaturation units/100,000 C atoms, vinylidene unsaturation units/100,000 C atoms, vinylene unsaturation units/100,000 C atoms and trisubstituted unsaturation units/100,000 C atoms, an unsaturation degree for unsaturation types e) to h) according to formula (I) wherein a vinyl unsaturation degree is in the range of from 5.0 to 15.0%, a vinylene unsaturation degree is in the range of from 20.0 to 30.0%, and wherein the sum of the vinyl unsaturation degree and vinylidene unsaturation degree is at least 30.0% and up to 50.0%.

[00001]$\begin{array}{cc}{\mathrm{unsaturation}}_{\mathrm{Type}}\mathrm{degree}\left(\%\right)=\frac{{\mathrm{unsaturation}}_{\mathrm{Type}}\mathrm{units}/100,000C\mathrm{atoms}}{\mathrm{total}\mathrm{unsaturation}\mathrm{units}/100,000C\mathrm{atoms}}*100& \left(I\right)\end{array}$

The present inventions concerns a plant producing an in-line blended polymer comprising a first polymerisation reactor and a second polymerisation reactor, the first and second polymerisation reactors having different internal volumes, and a method for producing an in-line blended polymer.

The present inventions concerns a plant producing an in-line blended polymer comprising a first polymerisation reactor and a second polymerisation reactor, the first and second polymerisation reactors having different internal volumes, and a method for producing an in-line blended polymer.

The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 890 to 915 kg/m.sup.3 measured according to ISO 1183 and a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 10 to 20 wt. %, wherein the copolymer has a melt point T.sub.m between 100 and 120° C. measured according to ISO 11357-3 and a Vicat softening temperature T.sub.vicat of 80 to 96° C.

The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 890 to 915 kg/m.sup.3 measured according to ISO 1183 and a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 10 to 20 wt. %, wherein the copolymer has a melt point T.sub.m between 100 and 120° C. measured according to ISO 11357-3 and a Vicat softening temperature T.sub.vicat of 80 to 96° C.