A pyrazole metal complex for absorption of carbon dioxide, a method for preparing the pyrazole metal complex, and a method for absorbing carbon dioxide are provided; wherein the product produced by reacting pyrazole metal complex and carbon dioxide may be transformed into several economically valuable compounds.

To provide a catalyst composition having high polymerization activity. To provide a polymer manufacturing method. To provide a polymer manufactured by the polymer manufacturing method. To provide a rubber composition including the polymer. To provide a tire using the rubber composition. A catalyst composition including a compound represented by Structural Formula I below, wherein the compound has an OH group at at least one position of the bipyridyl ring; M is a transition metal, a lanthanoid, scandium, or yttrium; R.sup.1 and R.sup.2 are a hydrocarbon group having one or more carbon atoms or a halogen atom; and R.sup.1 and R.sup.2 may be the same or different from each other. A polymer manufacturing method including a step of polymerizing one or more selected from the group consisting of a conjugated diene compound and a compound having an ethylenically unsaturated double bond in the presence of the catalyst composition. A polymer manufactured by the manufacturing method. A rubber composition including the polymer. A tire using the rubber composition. ##STR00001##

In some embodiments, the present disclosure pertains to a method for capturing alkenes that includes: associating the alkenes with metal-organic frameworks, where the metal-organic frameworks includes one or more metals and one or more ligands coordinated with the one or more metals, and where the metal-organic frameworks are conductive; and oxidizing the metal-organic frameworks, where the oxidizing results in a capturing of the alkenes by the metal-organic frameworks. Additional embodiments of the present disclosure pertain to a system for capturing alkenes that includes: metal-organic frameworks, where the metal-organic frameworks include one or more metals and one or more ligands coordinated with the one or more metals, and where the metal-organic frameworks are conductive; and an alkene feed source associated with the metal-organic frameworks, where the alkene feed source is configured to deliver an alkene feed to the system.

In some embodiments, the present disclosure pertains to a method for capturing alkenes that includes: associating the alkenes with metal-organic frameworks, where the metal-organic frameworks includes one or more metals and one or more ligands coordinated with the one or more metals, and where the metal-organic frameworks are conductive; and oxidizing the metal-organic frameworks, where the oxidizing results in a capturing of the alkenes by the metal-organic frameworks. Additional embodiments of the present disclosure pertain to a system for capturing alkenes that includes: metal-organic frameworks, where the metal-organic frameworks include one or more metals and one or more ligands coordinated with the one or more metals, and where the metal-organic frameworks are conductive; and an alkene feed source associated with the metal-organic frameworks, where the alkene feed source is configured to deliver an alkene feed to the system.

Disclosed are a pincer-type ligand having a structurally rigid acridane structure and a metal complex consisting of the pincer-type ligand and a metal bound to each other, and exhibiting high reactivity and stability during a variety of bonding activation reactions. T-shaped complexes can be prepared from .sup.acriPNP(4,5-bis(diisopropylphosphino)-2,7,9,9-tetramethyl-9H-acridin-10-ide), which is a pincer-type PNP ligand having an acridane structure, and metal complexes, which can be structurally rigid and thus exhibit excellent reactivity and stability based on minimized structural change thereof, can be prepared by introducing an acridane structure into the backbone thereof. The PNP ligand is structurally stable and has novel chemical properties, as compared to conventional similar ligands, and thus can be utilized in a wide range of catalytic reactions and material chemistry.

The present specification relates to a compound represented by Chemical Formula 1, a composition for forming an optical film and an optical film including the same, and a display device including the optical film.

Aryl diimine first row metal compounds are described, as well as their synthesis and use as catalysts for the hydrofunctionalization of unsaturated organic compounds and main group element—main group element bond formation by dehydrogenative coupling.

Aryl diimine first row metal compounds are described, as well as their synthesis and use as catalysts for the hydrofunctionalization of unsaturated organic compounds and main group element—main group element bond formation by dehydrogenative coupling.

Aspects of the present disclosure generally relate to copper-containing bimetallic structures, to processes for producing the copper-containing bimetallic structure, and to uses of the copper-containing bimetallic structures as, e.g., catalysts. In an aspect, a process for forming a bimetallic structure is provided. The process includes forming a mixture comprising a first precursor and a second precursor, the first precursor comprising copper, the second precursor comprising a phosphine. The process further includes introducing a third precursor with the mixture to form the bimetallic structure, the third precursor comprising a Group 8-10 metal, the bimetallic structure comprising copper (Cu), the Group 8-10 metal (M), phosphorous (P), and nitrogen (N), the bimetallic structure having the formula (Cu).sub.a(M).sub.b(P).sub.c(N).sub.d, wherein a molar ratio of a:b is from about 1:99 to about 99:1, and a molar ratio of a:(c+d) is from about 500:1 to about 1:1.

Aspects of the present disclosure generally relate to copper-containing bimetallic structures, to processes for producing the copper-containing bimetallic structure, and to uses of the copper-containing bimetallic structures as, e.g., catalysts. In an aspect, a process for forming a bimetallic structure is provided. The process includes forming a mixture comprising a first precursor and a second precursor, the first precursor comprising copper, the second precursor comprising a phosphine. The process further includes introducing a third precursor with the mixture to form the bimetallic structure, the third precursor comprising a Group 8-10 metal, the bimetallic structure comprising copper (Cu), the Group 8-10 metal (M), phosphorous (P), and nitrogen (N), the bimetallic structure having the formula (Cu).sub.a(M).sub.b(P).sub.c(N).sub.d, wherein a molar ratio of a:b is from about 1:99 to about 99:1, and a molar ratio of a:(c+d) is from about 500:1 to about 1:1.