This disclosure relates to a continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a single site catalyst formulation are injected into a first reactor forming a first ethylene interpolymer. Process solvent, ethylene, optional comonomers, optional hydrogen and a heterogeneous catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. Optionally, a third ethylene interpolymer is formed in an optional third reactor, wherein an optional heterogeneous catalyst formulation may be employed. In a solution phase, the first, second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is passivated and following a phase separation process an ethylene interpolymer product is recovered.

A method of decreasing aldehyde content in polymeric materials, for example in bottles comprising polyethylene terephthalate, uses a compound (A) which comprises first, second and third fragments which comprise a moiety Fomula A) (A) and a moiety. (Formula B) NH (B).

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A wall for a package comprising a composition wherein the composition comprises: a polyester base polymer; a polyolefin polymer; a functionalized polyolefin polymer selected from the group consisting of a maleic anhdride-grafted polypropylene, a maleic anhydride-grafted polypropylene adhesive resin, an acrylic acid-grafted polyproylene, a maleic anhydride-grafted styrene-ethylene-butylene-styrene copolymer, an ethylene-butyl acrylate-maleic anhydride terpolymer, an ethylene-butyl acrylate-glycidyl methacrylate terpolymer, an oxidized polyethylene wax, and mixtures thereof; an oxidizable polyether-based additive; and a transition metal catalyst.

The invention relates to a hollow article with rigid walls (18 98), surrounding an enclosed space (19, . . . , 99) that occupies the interior of the hollow article (10, . . . , 90), made of a primary plastic base material (1) in which there is provided a secondary plastic material (2), consisting of a polymer, characterized in that this secondary polymer (2) is formed by a first component (A), being a cyclic diisocyanate as a cyclic compound, with an aromatic or optionally an aliphatic structure, and by at least one additional component (B), wherein this secondary plastic material (2) forms a barrier (12, . . . , 92) in the hollow article (10, . . . , 90), and method for producing thereof.

Provided is a resin composition, comprising: an isobutylene-based copolymer (A) containing a halogen atom; an ethylene-vinyl alcohol copolymer (B); and a halogen scavenger (C), wherein a mass ratio (B/A) of the ethylene-vinyl alcohol copolymer (B) to the isobutylene-based copolymer (A) containing a halogen atom is from 20/80 to 50/50, and a content of the halogen scavenger (C) is from 0.01 to 1 part by mass based on 100 parts by mass of a total of the isobutylene-based copolymer (A) containing a halogen atom and the ethylene-vinyl alcohol copolymer (B). Such a resin composition is excellent in gas barrier properties and flexibility and stably produced over a long period of time.

The invention provides a laminate for retort packaging that can be applied to a retort packaging container having excellent bag drop strength at low temperature, and a container that uses this laminate for retort packaging. A laminate for retort packaging (10), wherein a sealant layer (21) is formed of a resin that is composed mainly of a polyethylene resin composition composed of at least 30% by mass but not more than 50% by mass of a high-density polyethylene, at least 40% by mass but not more than 50% by mass of a linear low-density polyethylene, and at least 10% by mass but not more than 20% by mass of a high-pressure low-density polyethylene.

This disclosure relates to a continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a single site catalyst formulation are injected into a first reactor forming a first ethylene interpolymer. Process solvent, ethylene, optional comonomers, optional hydrogen and a heterogeneous catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. A third ethylene interpolymer is formed in a third reactor, wherein an optional heterogeneous catalyst formulation may be employed. In a solution phase, the first, second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is passivated and following a phase separation process an ethylene interpolymer product is recovered.

A propylene butylene polymer composition comprising A) a propylene butylene copolymer or a propylene butylene ethylene terpolymer which isfree of phthalic acid esters as well as decomposition products thereof; obtained by a Ziegler-Natta catalyst and B) a mixture of at least one particulate and at least one soluble nucleating agent, whereby the propylene butylene polymer composition hasa MFR (2.16 kg/210 C.) in the range of 12 to 50 g/10 mina tensile modulus (measured on injection moulded test specimens in accordance with ISO 527) of more than 1200 MPaa Tm of more than 150 C.an amount of xylene cold soluble (XCS) fraction of less than 7.0 wt.-% and whereby the propylene butylene copolymer includes monomer units derived from a) propylene in an amount of 91-96 wt.-% b) butylene in an amount of 4-9 wt.-% with respect to the total weight of the propylene butylene copolymer. or wherein the propylene butylene ethylene terpolymer includes monomer units derived from a) propylene in an amount of 90-96 wt.-% b) butylene in an amount of 4-9 wt.-% c) ethylene in an amount of not more than 1.0 wt.-% with respect to the total weight of the propylene butylene ethylene terpolymer.

A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, stiffness, and environmental stress crack resistance. The polyethylene compositions are suitable for compression molding or injection molding applications and are particularly useful in the manufacture of caps and closures for bottles.

A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, stiffness, and environmental stress crack resistance. The polyethylene compositions are suitable for compression molding or injection molding applications and are particularly useful in the manufacture of caps and closures for bottles.