Abstract: An oxygen scavenger composition comprising iron having a metallic iron content of 94% by mass or more.

Abstract: A pressure control device for controlling a pressure in a beverage container comprises a gas filled pressure control chamber enclosed by a wall of the pressure control device. The wall has an inner surface facing the chamber and an outer surface facing away from the chamber, the inner surface and outer surface defining a thickness of the wall. A scavenger material is provided in the pressure control device for capturing gas that enters, during use, into the pressure control chamber. The scavenger material is distributed over the wall thickness with a predetermined concentration from the inner surface towards the outer surface of the wall such that a rate of gas capture by the scavenger material changes over time.

Abstract: A method for preparing an oxygen-free passivated titanium or titanium-alloy powder product by means of gas-solid fluidization is provided.

Abstract: An air supply system for a fuel cell includes: a fuel cell stack in which multiple unit cells are stacked and that generates electricity through chemical reactions, an air channel to supply incoming air containing oxygen to the fuel cell stack and to transfer air discharged from the fuel cell stack to the outside of the air supply system, and a gas adsorption unit that is disposed on the air channel, positioned near an outlet of the fuel cell stack, and adsorbs oxygen contained in the air introduced into the air channel.

Abstract: The disclosure relates to oxygen scavenging compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: The present invention provides an oxygen scavenger composition comprising a granule having: an ? layer containing a water retention agent, a swelling agent, a metal salt and water; a ? layer containing iron; and a ? layer containing a porous support, wherein the granule forms a layer structure in order of the ? layer, the ? layer and the ? layer from an inside to an outside of the granule.

Abstract: Devices for determining the absorption capacity of a metal-based oxygen absorber, preferably in the form of a sachet, comprising: a detector for detecting an electromagnetic field while the metal-based oxygen absorber is placed therein or moved relative thereto, preferably in uniform manner; and an evaluation unit which, on the basis of the measurement signal detected by the detector, determines the absorption capacity of the metal-based oxygen absorber, wherein the device further comprises a position and/or orientation sensing device which detects a position and/or an orientation of the metal-based oxygen absorber relative to the electromagnetic field; and wherein the evaluation unit corrects the measurement signal on the basis of the detected position and/or orientation of the metal-based oxygen absorber. In addition, a method for determining the absorption capacity of a metal-based oxygen absorber is disclosed.

Abstract: Described herein are oxygen scavengers, oxygen scavenging polymeric compositions, and oxygen scavenging articles. The polymeric compositions comprising the oxygen scavengers may have utility in packaging, sealing, wrapping, and storing oxygen-sensitive substances, e.g., to preserve freshness of foods, beverages, and the like.

Abstract: A method for inhibiting corrosion on internal metal surfaces of an overhead condenser of a crude distillation unit in which hydrocarbons, water and amine hydrochlorides condense, the method includes adding to the overhead condenser an amine composition in an amount and at a rate sufficient to maintain the pH of water condensate in the condenser above a pH of about 5, the amine composition made of a mixture of four amines wherein the amines are monoethanloamine, methoxypropyl amine, morpholine and cyclohexylamine present in a weight ratio ranging from about 25:30:25:20 to about 30:40:15:15. Further, a system and method assess the corrosion rate and optimize the dosage of neutralizing amine composition during the operating conditions of overhead condensing system.

Abstract: An electronic vaping device includes a housing extending in a longitudinal direction, a reservoir in the housing, the reservoir configured to store a pre-vapor formulation, a heater in the housing, the heater configured to heat the pre-vapor formulation, at least one portion formed of a material including at least one polymer and at least one oxygen sequestering agent, and a power supply.

Abstract: A composition comprising: a polyester base polymer; a blend of two distinct polyether-based oxygen scavenging additives, OS1 and OS2, wherein each of OS1 and OS2 is selected from the group consisting of a polyether diol, an ester end-capped derivative of a polyether diol, a polyether-polyester block copolymer, and an ether end-capped derivative of a polyetherdiol, wherein OS1 has a molecular weight of from 10,000 to 100,000 and OS2 has a molecular weight of from 200 to 5,000; and a transition metal catalyst.

Abstract: Described herein are oxygen scavengers, oxygen scavenging polymeric compositions, and oxygen scavenging articles. The polymeric compositions comprising the oxygen scavengers may have utility in packaging, sealing, wrapping, and storing oxygen-sensitive substances, e.g., to preserve freshness of foods, beverages, and the like.

Abstract: Oxygen-absorbing resin composition, not responsive to a metal detector, producing no odor after absorption of oxygen and has excellent oxygen-absorbing performance in a wide range of humidity conditions from low to high humidity. An oxygen-absorbing molded article, and a multilayer body, container, injection-molded article and medical containers also provided. The oxygen absorbing resin composition contains a polyester, comprising at least one constituent unit having a tetralin ring component compound, a transition metal catalyst, and a catalyst for producing the polyester. The oxygen-absorbing molded article of the present invention can be formed by molding the oxygen-absorbing resin composition into a film or a sheet. The multilayer body, container, injection-molded article, medical container, etc. of the present invention are obtained by using the oxygen-absorbing resin composition.

Abstract: A gas barrier laminate 10 having an inorganic barrier layer 3 and a water-trapping layer 5 that are formed on a plastic base material 1, the water-trapping layer 5 including a matrix of a cationic polymer (a) in which is distributed a hygroscopic agent (b) having such a hygroscopic property as to attain a humidity lower than a humidity that can be attained by using the matrix. The gas barrier laminate exhibits super barrier property against water despite of a structure of a small number of layers.

Abstract: A packaging article for containing and holding food products includes a barrier layer for limiting permeability of oxygen through and into the article and an oxygen scavenging layer, which oxygen scavenging layer together with a second plastic material is contained within a cavity in a first plastic material forming walls, bottom(s) and lid(s) of the packaging article, which first plastic material is suitable for contact with food products. A method of manufacturing a packaging finished in one injection molding cycle includes placing the barrier layer in a mold, injecting the first plastic material suitable for contact with food products into the mold, and injecting the second plastic material with the oxygen scavenger into the mold.

Abstract: The present invention provides a novel oxygen absorbent composition being capable of realizing an oxygen absorbent not responding to a metal detector, being suppressed in the increase of the odor intensity after the absorption of oxygen and having an excellent oxygen absorption performance over a wide range of humidity conditions from low humidity to high humidity, and provides an oxygen absorbent package using the oxygen absorbent composition.

Abstract: An extruded or molded article containing iron based oxygen scavenger, electrolytes, activated carbon, silica gel, or other water absorbing media, and optionally pore formers, is subjected to deformation to create voids or porosity, and subjected to water spraying or dipping to obtain a water activity of 0.4 or higher. The article is placed in a container or package containing oxygen sensitive articles.

Abstract: The atmosphere control composition according to the present invention is an atmosphere control composition for use in the culture of cells, which comprises (a) an ascorbic acid component, (b) water, (c) a porous carrier, (d) an aldehyde-removing agent, (e) a transition metal catalyst and/or an alkaline earth metal hydroxide, wherein the aldehyde-removing agent comprises at least one component selected from the group consisting of ethylene urea, urea, arginine, lysine hydrochloride and a polyallylamine. According to the present invention, the atmosphere control composition feasible for preventing the generation of aldehyde can be provided without affecting the oxygen absorption ability and the carbon dioxide generation ability thereof.

Abstract: The present invention provides a composition comprising: a polyester base polymer; at least one non-polymeric oxidizable organic compound; at least one transition metal in a positive oxidation state, said metal being present in the composition in an amount of from about 10 to about 400 ppm, wherein the polyester base polymer comprises less than about 40 ppm phosphorous. The compositions of the present invention do not exhibit an induction period prior to the onset of oxygen scavenging upon formation into a container.

Abstract: An oxygen-absorbing resin composition copolymerized polyolefin compound including a copolymerized polyolefin compound and a transition metal catalyst, wherein the copolymerized polyolefin compound is a copolymerized polyolefin compound including at least one of constitutional unit (a) selected from the group consisting of the constitutional units represented by the general formula (1), and at least one of the constitutional unit (b) having an indane ring, selected from the group consisting of the constitutional units represented by the general formulas (2) and (3).

Abstract: There are provided an oxygen scavenger composition and the like, which are excellent in economy in which the amount of oxygen absorbed per unit volume of the oxygen scavenger composition is large, and rusting at high humidity is inhibited. The oxygen scavenger composition of the present invention comprises (A) an iron powder, (B) a metal bromide and/or a metal iodide, and (C) a thiosulfate.

Abstract: The present invention provides a composition comprising: a base polymer; at least one compound having the structure of Formula I or II wherein Ar is an o-, m-, or p-phenylene moiety, a substituted phenylene moiety, or a naphthalene moiety; R1 and R2 are independently selected from the group consisting of: hydrogen, alkyl, alkenyl, and aryl; and X is O or —(CH2)n—; n=0, 1, or 2; and p=0, 1, or 2; and; and at least one transition metal in a positive oxidation state, said metal being present in the composition in an amount of from about 10 to about 400 ppm, wherein said compound is present in an amount of from about 0.10 to about 10 weight percent of the composition.

Abstract: Blending an electrically active, anodically coloring, electrochromic polymer with a non-electrochromic, non-electrically conductive binder polymer greatly enhances the performance of the anodically coloring, electrochromic polymer in an electrochromic device over time. In addition to improved physical characteristics of the blend, e.g., film build, durability etc, the coloristic properties, including color space and color strength, of the device comprising the blend are more durable than when using the neat polymer, and in certain instances, the color space and color intensity provided by the blend is superior to that available from the neat polymer.

Abstract: An oxygen absorbing agent composition including at least one type of a compound having an indane skeleton represented by the following general formula (1) and a transition metal catalyst:

Abstract: The preservation or extension of the life of oxygen perishable products such as fresh or cooked meats; fresh vegetables and fruits; dried vegetables, fruits and meats; packaged pharmaceuticals or biologicals; open and enclosed marketing display cases of meats, fruits and vegetables; and packaging, warehousing and transportation of meats, fruits, and vegetables is obtained by subjecting such products to an atmosphere obtained from gas permeable packets of an oxygen scavenging composition comprising a sodium carbonate mineral and one or more carboxylic acids. When the environment surrounding the oxygen perishable product is subjected to the packets of gaseous permeable oxygen scavenging compositions, oxygen is taken in by the scavenging composition and also the presence of carbon dioxide in the surrounding environment is enhanced thereby minimizing or eliminating the effect the oxygen on the oxygen perishable products.

Abstract: The present disclosure relates to an oxide-ion conductor having the general formula La2Ge1?xCrxMgO6?0.5x, where 0<x<1 and M=Cr, Sc, Ga and In or a mixture thereof. The present disclosure further relates to composite materials containing such oxide-ion conductors and to devices containing such oxide-ion conductors or composites.

Abstract: The present invention provides an oxygen selective adsorbent containing BaxSr(1?x)Mgy(CO3)(1+y) or BaxSr(1?x)CO3 particles, increasing transition oxygen partial pressure, and representing high thermal stability and excellent oxygen sorption cavity, by adding another metal such as Sr to Ba which is active element for oxygen adsorption, so as to be capable of desorbing oxygen under lower vacuum even at the same operating temperature as existing oxygen selective adsorbents, and a preparation method thereof.

Abstract: The disclosure relates to transition metal compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: A container (22) includes a shell (24) made from a polymer, for example PET, and incorporating a catalyst, for example a palladium catalyst. A closure (40) incorporates a plug which includes a source of hydrogen, for example a hydride. In use, with container (22) including a beverage and closure (40) in position, the headspace in the container will be saturated with water vapor. This vapor contacts the hydride associated with plug (42) and as a result the hydride produces molecular hydrogen which migrates into the polymer matrix of shell (24) and combines with oxygen which may have entered the container through its permeable walls. A reaction between the hydrogen and oxygen takes place, catalyzed by the catalyst, and water is produced. Thus, oxygen which may ingress the container is scavenged and the contents of the container are protected from oxidation.

Abstract: An oxygen-scavenging composition is provided that includes an oxygen-scavenging polymer and a catalyst. The oxygen-scavenging polymer, which in preferred embodiments is suitable for use in packaging articles, is a dendritic polymer having one or more oxygen-scavenging groups.

Abstract: An oxygen scavenging composition capable of providing good oxygen absorption capabilities wherein the oxygen scavenging agent is a sulfite salt with a Group I cation, combined with an acidifying agent and optionally a hygroscopic salt. The compositions can be formed into films, coatings, 3-dimensional solids, fibers, webs, and shaped products or structures which are incorporated into, applied to, or otherwise become a part of a container structure, including container closures, seals, gaskets, liners, and the like.

Abstract: A method of dry coating oxidizable particles with activating particles. The method includes accreting at least portions of the activating particles onto surfaces of the oxidizable particles by mechanically induced juxtapositions to form composite particles; and abrading the composite particles to more evenly distribute the activating component over surfaces of the activating particles.

Abstract: A nano-clay material that exhibits improved compatibility with polymers is described. The nano-clay material may be mixed with polymers to produce a nano-clay polymer nanocomposite material including reduced levels of clay loading. Methods for making the nano-clay nanocomposite material and articles of manufacture from the nanocomposite material are also described.

Abstract: An oxygen-scavenging composition is provided that includes an oxygen-scavenging component and an oxidation catalyst. In preferred embodiments, the oxygen-scavenging composition includes a thermoplastic polymer that may optionally include the oxygen-scavenging composition as a portion thereof. In preferred embodiments, the composition is suitable for use in packaging articles.

Abstract: The present invention provides a novel oxygen absorbent composition being capable of realizing an oxygen absorbent not responding to a metal detector, being suppressed in the increase of the odor intensity after the absorption of oxygen and having an excellent oxygen absorption performance over a wide range of humidity conditions from low humidity to high humidity, and provides an oxygen absorbent package using the oxygen absorbent composition.

Abstract: A closure (40) for a container incorporates calcium hydride and a matrix material as a hydrogen-generating composition. In use, hydrogen is generated which reacts with oxygen permeating a container associated with the closure and a catalyst associated with the container catalyses reaction of the hydrogen and oxygen to produce water, thereby scavenging the oxygen. The composition of calcium hydride and matrix is also claimed.

Abstract: The present invention relates to nanocomposite materials comprising nanoclays as support of metal oxide particles which give the materials multi-functional properties. Said properties are obtained through the formulation of a specific type of additives based on layers of natural and/or synthetic clays which are intercalated with metal oxides with antimicrobial and/or oxygen sequestrating and/or catalytic and/or self-cleaning and/or anti-abrasive capacity; and which may optionally contain other organic, metal, inorganic compounds or combination thereof which may exercise a role of compatibilization and/or dispersion and/or increase in the functionality of the metal oxides and/or providing new functionalities, both passive of physical strengthening and active such as biocide character, antioxidant and chemical-species absorbers. Furthermore, the present invention discloses the use of said materials for multi-sector applications.

Abstract: An oxygen-scavenging component and methods for producing the oxygen-scavenging component are provided. The oxygen-scavenging component, which in preferred embodiments is suitable for use in packaging articles, includes an oxygen-scavenging group preferably having at least one double bond. The oxygen-scavenging component may be combined with a polymer and/or an oxidation catalyst to form an oxygen-scavenging composition.

Abstract: Butadiene, isoprene, and terpene based materials are soluble in polymer matrices such as polyethylene terephthalate when the butadiene, isoprene, or terpene compound also contains allylic carbons afterwith at least one polar moiety which is non-reactive to the matrix polymer. These compounds can be oxygen scavengers when in the presence of cobalt or manganese compounds and have been found to have substantially reduced haze in the final package.

Abstract: The instant invention concerns a composition comprising a base polymer, at least one compound of the formula E-(L-E)x wherein: E is and L is a linking group; and at least one transition metal in a positive oxidation state. The invention also concerns packages containing walls comprising such compositions, methods of forming such packages, and methods of packaging an oxygen-sensitive item within such a package.

Abstract: An oxygen absorber is provided that contains at least one of compounds each having a particular structure, and the oxygen absorber exhibits an oxygen absorbing capability without a metal contained, and is suitable for removing oxygen inside a packaging material packaging foods or the like.

Abstract: Disclosed is an oxygen-absorbable solvent-soluble resin having both oxygen absorbability and adhesive properties. Specifically disclosed is an oxygen-absorbable solvent-soluble resin which comprises an acid component (A), an acid component (B) and a polyester having a constituent unit derived from a glycol component, wherein the ratio of the amount of the acid component (A) to the total amount of the acid components is 40 to 80 mol % and the ratio of the amount of the acid component (B) to the total amount of the acid components is 15 to 35 mol %. The acid component (A):tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic anhydride or a derivative thereof; and the acid component (B):terephthalic acid.

Abstract: An allergen inactivating agent for preventing allergic manifestations or alleviating symptoms by reducing antigenicity of an allergen through contact with the allergen includes dissolved chlorine dioxide as an active ingredient.

Abstract: The subject of the invention are new forms of nanoiron or zero-valent iron doped with boron, prepared with the method based on the invention, with the ability to fix oxygen in any environment, even an anhydrous one. In the second aspect, the subject of the invention is the method of oxygen scavenging both in a packaging containing water, as well as in an anhydrous environment. In the third aspect, the subject of the invention are nanocomposites containing nanoiron prepared according to the invention, characterised by the ability to fix oxygen in an environment containing water, as well as in an anhydrous environment. In the fourth aspect, the subject of the invention are iron oxygen scavengers in packaging, based on nanoiron or zero-valent iron doped with boron, prepared with the method based on the invention, with the ability to fix oxygen in an environment containing water, as well as in an anhydrous environment.

Abstract: An oxygen-scavenging mixture comprising: (I) an oxidizable metal component; (II) an electrolyte component selected from the group consisting of KCl and CaCl2, and (III) a non-electrolytic, acidifying component.

Abstract: The present invention provides a composition comprising: a polyester base polymer; at least one non-polymeric oxidizable organic compound; at least one transition metal in a positive oxidation state, said metal being present in the composition in an amount of from about 10 to about 400 ppm, wherein the polyester base polymer comprises less than about 40 ppm phosphorous. The compositions of the present invention do not exhibit an induction period prior to the onset of oxygen scavenging upon formation into a container.

Abstract: To provide an oxygen-absorbing polyester resin composition which exhibits excellent oxygen-absorbing capability even in the absence of transition metal catalyst without affected by the glass transition temperature of a polyester resin that is contained as a base resin. The oxygen-absorbing polyester resin composition including a base resin (A) which is a polyester resin, an oxygen-absorbing component (B) which is a compound having an unsaturated alicyclic structure, and an oxidation promotion component (C) for promoting the oxidation of the oxygen-absorbing component (B), said oxidation promotion component (C) being a compound having a benzyl hydrogen.

Abstract: The disclosure relates to transition metal compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: The present invention provides an oxygen-scavenging composition and articles formed therefrom. The oxygen-scavenging composition preferably includes an oxygen-scavenging polymer having an unsaturated bicyclic group, a based polymer, and an optional oxidation catalyst. The base polymer preferably includes a substituted or unsubstituted addition backbone, which may include heteratoms.

Abstract: A method for activating hydrogen molecules dissolved in water and stabilizing the concentration of the hydrogen molecules is provided. The method for activating and stabilizing hydrogen molecules dissolved in water is characterized by allowing hydrogen ions to coexist with the hydrogen molecules.