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US 10,239,974 B2Granted
Ethylene-based polymers
AssigneeDow Global Technologies LLC
InventorsMridula Kapur, Mehmet Demirors, Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
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Abstract
The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.
Claims15
An ethylene-based polymer comprising the following properties:
- a) a zero shear viscosity ratio, ZSVR, value from 1.3 to 2.6,
- b) a molecular weight distribution, MWD, from 1.5 to 2.8, and
- c) a tan delta (0.1 rad/s;
- 190° C.) from 15 to 50;
- and
- wherein the ethylene-based polymer has a melt index (I2) greater than, or equal to, 0.9 g/10 min;
- and,
- wherein the polymer has a single peak in a crystallization elution fractionation (CEF) comonomer distribution wherein the single peak is at a temperature from 60 ° C. to 100 ° C.
5 more elements
An ethylene-based polymer comprising the following properties:
- a) a zero shear viscosity, ZSVR value from 1.2 to 2.6,
- b) a molecular weight distribution, MWD, from 1.7 to 2.2, and
- c) a tan delta (0.1 rad/s;
- 190° C.) from 5.0 to 50;
- and
- wherein the ethylene-based polymer has a melt index (I2) from 1 to 3.0 g/10 min;
- and wherein the ethylene-based polymer is produced via a solution polymerization in a single reactor with one catalyst system;
- and, wherein the polymer has a single peak in a crystallization elution fractionation (CEF) comonomer distribution wherein the peak is at a temperature from 60° C. to 100° C.
5 more elements
An ethylene-based polymer comprising the following properties:
- a) a zero shear viscosity ratio, ZSVR, value from 1.3 to 2.6,
- b) a molecular weight distribution, MWD, from 1.5 to 2.8, and
- c) a tan delta (0.1 rad/s;
- 190° C.) from 30.1 to 50;
- and
- wherein the ethylene-based polymer has a melt index (I2) greater than, or equal to, 0.9 g/10 min and, wherein the polymer has a single peak in a crystallization elution fractionation (CEF) comonomer distribution wherein the single peak is at a temperature from 60° C. to 100° C.
3 more elements
Dependencies are inferred from the claim text.