Back to results
US 11,891,463 B2Granted
Ethylene-based polymers with improved melt strength and thermal stability
AssigneeDow Global Technologies LLC
InventorsJohn O. Osby, Hayley A. Brown, Mehmet Demirors, Carmelo Declet Perez
Life of this patent
Estimating the term…
Abstract
An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.
Claims10
An ethylene-based Polymer formed from reacting ethylene and at least one asymmetrical polyene, of Structure 1A below:
- wherein the ethylene-based polymer has
- (i) a z-average molecular weight (Mz) from 800,000 g/mole to 1,200,000 g/mole;
- (ii) a melt strength (MS) from greater than or equal to 10 cN to less than or equal to 40 cN (at 190° C.);
- and
- (iii) a melt index (I2) from 5.0 g/10 min to 10 g/10 min.
2 more elements
An ethylene-based Polymer formed from reacting ethylene and at least one asymmetrical polyene, of Structure 1A below:
- wherein the ethylene-based Polymer has
- (i) a z-average molecular weight (Mz) from 800,000 g/mole to 1,200,000 g/mole;
- (ii) a melt strength (MS) from greater than or equal to 10 cN to less than or equal to 40 cN (at 190° C.);
- and
- (iii) a melt index (I10) from 50 g/10 min to 90 g/10 min.
2 more elements
A process comprising:
- extrusion coating an ethylene-based polymer onto a substrate, the ethylene-based polymer formed from reacting ethylene and at least one asymmetrical polyene, of Structure 1A below:
- wherein the ethylene-based Polymer has
- (i) a z-average molecular weight (Mz) from 800,000 g/mole to 1,200,000 g/mole;
- (ii) a melt strength (MS) from greater than or equal to 10 cN to less than or equal to 40 cN (at 190° C.);
- and
- (iii) a melt index (I2) from 5.0 g/10 min to 10 g/10 min;
- and
- forming a coating composed of the ethylene-based polymer on the substrate.
5 more elements
Dependencies are inferred from the claim text.