Nova Chemicals (international) S.a.

Nova Chemicals Inc.

Tieqi Li

Kenneth Edward Taylor

XiaoChuan Wang

Fazle Sibtain

Hamidreza Khakdaman

Christopher John Brooke Dobbin

Kenneth Taylor

Christopher Dobbin

Patrick Lam

Brian Molloy

Celine Bellehumeur

Daniel Ward

Michael Li

Stephen John Brown

Stephen Salomons

Shivendra K Goyal

Maryam Fereydoon

Marcelo Yamane

This disclosure relates to ethylene interpolymer compositions. Specifically, ethylene interpolymer products having: a Dilution Index (Y) greater than 0; total catalytic metal &#x2265;3.0 ppm; &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.869 to about 0.975 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 20% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Dilution index

This disclosure relates to caps and closures manufactured from an ethylene interpolymer product, or a blend containing an ethylene interpolymer product.

Caps and closures

A method for the improved extrusion of polyethylene polymers comprising passing polyethylene through a single stage, twin screw extruder comprising a solid polymer conveying zone, a polymer melting zone, a dispersive mixing zone, and a distributive mixing/pumping zone, in which the throughput and screw speed are optimized to reduce the number of gels present, ensure complete polymer melting within the polymer melting zone, and to minimize polymer degradation.

Extrusion process for polyethylene polymers

This disclosure relates to caps and closures manufactured from an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2265;3.0 ppm; &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 20 dg/minute, a density from about 0.948 to about 0.968 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 54% to about 98%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to multilayer films having improved caulkability. These multilayer films have at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2265;3.0 ppm; &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Ethylene interpolymer films

This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2265;3.0 ppm; &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Rotomolded articles

This disclosure relates to films comprising at least one layer of an ethylene interpolymer product. The ethylene interpolymer product comprises a first ethylene interpolymer, a second ethylene interpolymer and optionally a third ethylene interpolymer; wherein the ethylene interpolymer product has &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms and &#x2265;3 parts per million (ppm) of a total catalytic metal; and optionally a Dilution Index, Y, greater than 0. The disclosed ethylene interpolymer products have a melt index from about 0.4 to about 10 dg/minute, a density from about 0.900 to about 0.940 g/cm, a polydispersity (M/M) from about 2 to about 12 and a CDBIfrom about 20% to about 98%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

Films produced from ethylene interpolymer products

This disclosure relates to manufactured articles containing ethylene interpolymers. Specifically, films, containers and lids comprising at least one layer of an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2265;3.0 ppm; &#x2265;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

HDPE articles

This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product and an ethylene polymer, where the ethylene interpolymer product has a Dilution Index (Y) greater than 0 and improved Environmental Stress Crack Resistance (ESCR). The ethylene interpolymer product has a melt index from about 0.5 to about 15 dg/minute, a density from about 0.930 to about 0.955 g/cm, a polydispersity (M/M) from about 2 to about 6 and a CDBIfrom about 50% to about 98%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than &#x2212;1.0; total catalytic metal &#x2267;3.0 ppm; &#x2267;0.03 terminal vinyl unsaturations per 100 carbon atoms. The ethylene interpolymer products have a melt index from about 0.5 to about 15 dg/minute, a density from about 0.930 to about 0.955 g/cm, a polydispersity (M/M) from about 2 to about 6 and a CDBIfrom about 50% to about 98%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to multilayer films having improved caulkability. These multilayer films have at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2267;3.0 ppm; &#x2267;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to ethylene interpolymer compositions. Specifically, ethylene interpolymer products having: a Dilution Index (Y) greater than 0; total catalytic metal&#x2267;3.0 ppm; &#x2267;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.869 to about 0.975 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 20% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2267;3.0 ppm; &#x2267;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

This disclosure relates to caps and closures manufactured from an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Y) greater than 0; total catalytic metal &#x2267;3.0 ppm; &#x2267;0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 20 dg/minute, a density from about 0.948 to about 0.968 g/cm, a polydispersity (M/M) from about 2 to about 25 and a CDBIfrom about 54% to about 98%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.

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Calgary, Canada

Tieqi Li