C08F2420/04

Caps and closures

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.sub.d) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X.sub.d) 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 25 and a CDBI.sub.50 from 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.

Ethylene interpolymer films

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.sub.d) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X.sub.d) 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 25 and a CDBI.sub.50 from 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.

Transition metal compound, transition metal catalyst composition for polymerizing olefin, containing same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same

Provided are a novel transition metal compound, a transition metal catalyst composition for preparing an ethylene homopolymer or a copolymer of ethylene and -olefin, containing the same, a method for preparing an ethylene homopolymer or a copolymer of ethylene and -olefin using the same, and an ethylene homopolymer or a copolymer of ethylene and -olefin prepared using the same.

HIGH DENSITY ROTOMOLDING RESIN

The present disclosure provides high density polyethylene resins having good low temperature impact resistance. The resins are suitable for use in rotomolding application for large parts. The resin is a bi- or trimodal resin produced using solution phase polymerization in the presence of a single site catalyst.

POLYPROPYLENE-BASED COMPOSITE MATERIAL

The present invention provides a polypropylene-based composite material capable of exhibiting excellent strength properties and impact strength properties, particularly, markedly improved impact strength properties at a low temperature without using a separate additive by including (A) polypropylene, and (B) an olefin-based polymer which satisfies the conditions of the following (b1) to (b4): (b1) density (d): from 0.850 to 0.910 g/cc, (b2) melt index (MI, 190 C., 2.16 kg load conditions): from 0.1 g/10 min to 100 g/10 min, (b3) molecular weight distribution (MWD): from 1.5 to 3.0, and (b4) i) two peaks are shown in a temperature range of 20 C. to 120 C. when taking measurements of temperature rising elution fractionation, and ii) a relation of T(90)T(50)60 C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).

Rotomolded 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, where the ethylene interpolymer product has: a Dilution Index (Y.sub.d) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X.sub.d) 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 25 and a CDBI.sub.50 from 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.

Dilution index

This disclosure relates to ethylene interpolymer compositions. Specifically, ethylene interpolymer products having: a Dilution Index (Y.sub.d) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (X.sub.d) 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 25 and a CDBI.sub.50 from 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.

Olefin-based polymer

The present invention relates to an olefin-based polymer exhibiting a single peak when analyzed by gel permeation chromatography (GPC), and having three elution temperatures Te1, Te2 and Te3 when measuring temperature rising elution fractionation (TREF) at a temperature ranging from 20 C. to 120 C. Accordingly, the olefin-based polymer having excellent mechanical strength, and in particular, significantly improved impact strength is provided.

Rotomolded 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.sub.d) 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 6 and a CDBI.sub.50 from 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.

Films produced from ethylene interpolymer products

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 ?0.03 terminal vinyl unsaturations per 100 carbon atoms and ?3 parts per million (ppm) of a total catalytic metal; and optionally a Dilution Index, Y.sub.d, 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.sup.3, a polydispersity (M.sub.w/M.sub.n) from about 2 to about 12 and a CDBI.sub.50 from 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.