The present disclosure provides for a liner comprising a septum and a layer, the layer comprising a thermoplastic polymer, wherein the septum comprises an elastomer and the septum is coupled to the layer comprising the thermoplastic polymer. The present disclosure also provides for a cap assembly comprising the liner as disclosed herein and a cap, wherein the cap is coupled to the liner. Further, provided herein is a cap and vial assembly comprising the cap assembly as disclosed herein and a vial, wherein the cap assembly is coupled to the vial. Also provided herein is a method of testing water quality in a sample using an analytical instrument, wherein the sample is contained within a container comprising the liner as disclosed herein, the cap assembly as disclosed herein, or the cap and vial assembly as disclosed herein, the method comprising penetrating the liner with a syringe to remove a portion of the sample and testing the portion of the sample using the analytical instrument.

Provided herein are methods of making blended polymer compositions having enhanced elasticity. The present methods comprise the steps of producing a first polymer composition using a VTP catalyst system, producing a second polymer composition using a HMP catalyst system and combining the first polymer composition and the second polymer composition to make the blended polymer composition. The present methods include blending/combining the polymer compositions produced by different catalyst systems. One such catalyst system includes (i) a vinyl-terminated polymer (VTP) catalyst system comprising a VTP catalyst compound (referred to herein also as a VTP catalyst) and one or more activators. Another catalyst system includes a high molecular-weight polymer (HMP) catalyst system comprising a HMP catalyst compound (referred to herein also as a HMP catalyst) and one or more activators. The activators of these different catalyst systems can be the same or different in whole or in part.

The present invention is directed to a polymer composition (C) comprising a first propylene homopolymer (H-PP), at least one hydrocarbon oil, at least one nucleating agent and at least one antioxidant, a moulded article formed from said polymer composition, a process for gamma-ray sterilization of said moulded article and uses of hydrocarbon oil in said polymer composition for improving resistance to gamma-ray radiation and reducing discoloration after gamma-ray sterilization in said polymer composition.

Provided are a resin composition having excellent oxygen barrier property under high humidity as a novel resin material, a molded body, a method for producing a molded body, and a method for producing a pellet using the resin composition. The resin composition includes a resin component and a plate-shaped talc having an aspect ratio of more than 18, 80 mass % of the resin component comprising a barrier resin having an oxygen transmission coefficient of 5.0 cc.Math.mm/(m.sup.2.Math.day.Math.atm) or less as measured according to ASTM D3985 at a relative humidity of 60% and a temperature of 23? C., and a content of the plate-shaped talc being from 3.0 to 55.0 mass % when a total of the barrier resin and the plate-shaped talc is 100 mass %.

The invention relates to a new type of stabilizer composition for stabilizing halogen-free recycled thermoplastics. In addition, the present invention relates to a stabilizer composition, a master batch or concentrate, a stabilized plastic composition, a process for stabilizing halogen-free recycled thermoplastics and to possible uses of the composition.

The present invention provides a polyethylene, which has an excellent balance between rigidity and durability and is excellent in moldability and impact resistance, and a material useful as a material for hollow plastic products such as containers, bottles, tanks, especially fuel tanks for automobiles. The polyethylene of the invention is composed of one or two or more ethylene polymers selected from the group consisting of a homopolymer of ethylene and a copolymer of ethylene and an -olefin having 3 to 12 carbon atoms and satisfies specific requirements at the same time.

Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.

A polymer sheet includes a core layer containing a propylene impact copolymer (ICP), and a first additional layer comprising a first polymer composition. The propylene impact copolymer (ICP) in the core layer includes a matrix and a dispersed phase. The matrix comprises a polypropylene homopolymer or a propylene/alpha-olefin random copolymer which includes greater than 50 wt. % of units derived from propylene monomer. The dispersed phase includes a copolymer of ethylene and a C.sub.3-C.sub.8 -olefin. The ICP has a first melting point being greater than 100 C. (e.g., in the range of from 100 C. to 130 C.) and a second melting point. The polymer sheet can also include a second additional layer containing a second polymer composition.

A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles. In one embodiment, the polymer has at least one unsaturated cycloaliphatic group that is at least bicyclic.

The disclosure relates to processes for producing lightweight polyethylene terephthalate articles such as bottles that retain good barrier properties against the permeation of oxygen, carbon dioxide and/or water vapor. The use of relatively small amounts of polytrimethylene furandicarboxylate during the formation of the PET bottles can produce a bottle having the required barrier properties and result in the use of less material.