Ethylene/alpha-olefin/polyene based compositions
AssigneeDow Global Technologies LLC
InventorsColin LiPiShan, Juan C. Tuberquia, Guang Ming Li, Timothy E. Clayfield, Lena T. Nguyen, Edward O. Madenjian, Cory M. Thomas West, Alexandra E. Frankel
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Abstract
The invention provides a composition comprising a first composition, comprising a first ethylene/alpha-olefin/non-conjugated polyene and a second ethylene ethylene/alpha-olefin/non-conjugated polyene, and wherein the first composition comprises the following property: Mw>1389.6 [g/mole] MV+115,000 g/mole, wherein MV is the Mooney Viscosity (ML 1+4, 125C), and Mw is the weight average molecular weight, as determined by conventional GPC.
Claims10
A composition comprising a first composition, comprising a first ethylene/alpha-olefin/non-conjugated polyene and a second ethylene ethylene/alpha-olefin/non-conjugated polyene, and wherein the first composition comprises the following property:
- Mw>1389.6 [g/mole] MV+115,000 g/mole, wherein MV is the Mooney Viscosity (ML 1+4, 125° C.), and Mw is the weight average molecular weight, as determined by conventional GPC.
The composition of any one of the previous claims, wherein the first composition further comprises the following property:
- V0.1≤0.5464 [(Pa·s)(mole/g) Mz−200,000 Pa·s], wherein V0.1 is the melt viscosity (0.1 rad/s, 190° C.), and Mz is the z average molecular weight, as determined by conventional GPC.
The composition of any one of the previous claims, wherein first composition has a “13C NMR % iCB Peak Area,” which is the {[(13C NMR peak area from 34.4 ppm to 34.6 ppm) divided by (the 13C NMR sum integral area from 0.00 ppm to 60.0 ppm and from 160.0 ppm to 100.0 ppm)]×100}, that is >0.010%, as determined by 13C NMR.
The composition of any of the previous claims, wherein the first composition has a MWD from 2.80 to 6.80.
The composition of one of the previous claims, wherein the first composition has a rheology ratio (V0.1/V100 at 190° C.) from 20 to 60.
The composition of any one of the previous claims, wherein the first ethylene/alpha-olefin/non-conjugated polyene is an EPDM, and the second ethylene ethylene/alpha-olefin-/non-conjugated polyene is an EPDM.
The composition of any one of the previous claims, wherein the first composition has a density from 0.850 to 0.890 g/cc.
An article comprising at least one component formed from the composition of any one of the previous claims.
Dependencies are inferred from the claim text.