HDPE articles

1. A manufactured article comprising at least one layer comprising an ethylene interpolymer product comprising:

(I) a first ethylene interpolymer;

(II) a second ethylene interpolymer, and;

(III) optionally a third ethylene interpolymer;

wherein said first ethylene interpolymer is produced using a single site catalyst formulation comprising a component (i) defined by the formula

( L A ) a M ( Pl ) b ( Q ) n

wherein L A is selected from the group consisting of unsubstituted cyclopentadienyl, substituted cyclopentadienyl, unsubstituted indenyl, substituted indenyl, unsubstituted fluorenyl and substituted fluorenyl;

M is a metal selected from the group consisting of titanium, hafnium and zirconium;

Pl is a phosphinimine ligand;

Q is independently selected from the group consisting of a hydrogen atom, a halogen atom, a C 1-10 hydrocarbyl radical, a C 1-10 alkoxy radical and a C 5-10 aryl oxide radical; wherein each of said hydrocarbyl, alkoxy, and aryl oxide radicals may be unsubstituted or further substituted by a halogen atom, a C 1-18 alkyl radical, a C 1-8 alkoxy radical, a C 6-10 aryl or aryloxy radical, an amido radical which is unsubstituted or substituted by up to two C 1-8 alkyl radicals or a phosphido radical which is unsubstituted or substituted by up to two C 1-8 alkyl radicals;

wherein a is 1; b is 1; n is 1 or 2; and (a+b+n) is equivalent to the valence of the metal M;

wherein said second ethylene interpolymer is produced using a first in-line Ziegler-Natta catalyst formulation;

wherein said third ethylene interpolymer is produced using said first in-line Ziegler-Natta catalyst formulation or a second in-line Ziegler-Natta catalyst formulation, and;

wherein said ethylene interpolymer product has a Dilution Index, Y d , greater than 0.

2. The manufactured article of claim 1 , wherein said single site catalyst formulation further comprises: an alumoxane co-catalyst; a boron ionic activator, and; optionally a hindered phenol.

3. The manufactured article of claim 1 , wherein said ethylene interpolymer product is further characterized as having one or more of:

a) ≥0.03 terminal vinyl unsaturations per 100 carbon atoms;

b) ≥3 parts per million (ppm) of a total catalytic metal;

c) a Dimensionless Modulus, X d , greater than 0.

4. The manufactured article of claim 1 , wherein said ethylene interpolymer product has a melt index from about 0.4 to about 100 dg/minute; wherein melt index is measured according to ASTM D1238 (2.16 kg load and 190° C.).

5. The manufactured article of claim 1 , wherein said ethylene interpolymer product has a density from about 0.950 to about 0.970 g/cc; wherein density is measured according to ASTM D792.

6. The manufactured article of claim 1 , wherein said ethylene interpolymer product has a M w /M n from about 2 to about 25.

7. The manufactured article of claim 1 having a CDBI 50 from about 55% to about 98%.

8. The manufactured article of claim 1 ; wherein

(I) said first ethylene interpolymer constitutes from about 15 to about 60 weight percent of said ethylene interpolymer product and has a melt index from about 0.01 to about 200 dg/min and a density from about 0.855 to about 0.975 g/cc;

(II) said second ethylene interpolymer constitutes from about 30 to about 85 weight percent of said ethylene interpolymer product and has a melt index from about 0.3 to about 1000 dg/min and a density from about 0.89 to about 0.975 g/cc;

(III) said third ethylene interpolymer constitutes from about 0 to about 30 weight percent of said ethylene interpolymer product and has a melt index from about 0.5 to about 2000 dg/min and a density from about 0.89 to about 0.975 g/cc;

wherein weight percent is the weight of said first, said second or said third ethylene interpolymer, individually, divided by the weight of said ethylene interpolymer product;

wherein melt index is measured according to ASTM D1238 (2.16 kg load and 190° C.), and;

wherein density is measured according to ASTM D792.

9. The manufactured article of claim 1 ; wherein said ethylene interpolymer product is synthesized using a solution polymerization process.

10. The manufactured article of claim 1 ; wherein said ethylene interpolymer product further comprises from 0 to about 1 mole percent of one or more C 3 to C 10 α-olefins.

11. The manufactured article of claim 1 , wherein said ethylene interpolymer product has 1 part per million (ppm) of a metal A; wherein said metal A originates from said component (i).

12. The manufactured article of claim 1 , wherein said ethylene interpolymer product contains a metal B and optionally a metal C and the total amount of said metal B plus said metal C is from about 3 to about 11 parts per million; wherein said metal B originates from said first in-line Ziegler-Natta catalyst formulation and said metal C originates from said second in-line Ziegler-Natta catalyst formulation; optionally said metal B and said metal C are the same metal.

13. The manufactured article of claim 12 ; wherein said metal B and said metal C, are independently selected from titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, technetium, rhenium, iron, ruthenium or osmium.

14. The manufactured article of claim 1 ; wherein

(I) said first ethylene interpolymer has a first CDBI 50 from about 70 to about 98%;

(II) said second ethylene interpolymer has a second CDBI 50 from about 45 to about 98%, and;

(III) said third ethylene interpolymer has a third CDBI 50 from about 35 to about 98%.

15. The manufactured article of claim 14 ; wherein said first CDBI 50 is higher than said second CDBI 50 and said first CDBI 50 is higher than said third CDBI 50 .

16. The manufactured article of claim 1 ; wherein

(I) said first ethylene interpolymer has a first M w /M n from about 1.7 to about 2.8;

(II) said second ethylene interpolymer has a second M w /M n from about 2.2 to about 4.4, and;

(III) said third ethylene interpolymer has a third M w /M n from about 2.2 to about 5.0;

wherein said first M w /M n is lower than said second M w /M n and said third M w /M n .

17. The manufactured article of claim 1 ; wherein said ethylene interpolymer product has a first AHO melt strength that is from about 5% to about 30% higher compared with a comparative ethylene interpolymer synthesized using one or more single-site catalyst formulations.

18. The manufactured article of claim 1 ; wherein said manufactured article has a first heat deflection temperature that is from 4° C. to 10° C. higher compared with a control manufactured article having the same construction but said ethylene interpolymer product is replaced with a comparative ethylene interpolymer synthesized using one or more single-site catalyst formulations.

19. The manufactured article of claim 1 ; wherein said manufactured article has a first half time of crystallization (t 1/2 ) that is at least 70% lower compared with a control manufactured article having the same construction but said ethylene interpolymer product is replaced with a comparative ethylene interpolymer synthesized using one or more single-site catalyst formulations.

20. The manufactured article of claim 1 ; wherein said manufactured article is a film, a container or a lid.