The present disclosure relates to a novel Group 4 metal element-containing compound having excellent thermal stability, a precursor composition including the compound, and a method for manufacturing a thin film using the precursor composition. The novel Group 4 metal element-containing compound according to the present disclosure and the vapor deposition precursor composition including the compound can have excellent thermal stability, realize thin film deposition in a wide temperature range, and reduce residues caused by heat loss, thereby preventing side reactions in a process. Additionally, the vapor deposition precursor composition according to the present disclosure can realize uniform thin film deposition, thereby securing excellent physical properties of the thin film.

A transition metal compound having a novel structure is disclosed herein. The transition metal compound can have improved structural stability by forming a stable coordination site of a transition metal through controlling a bond angle formed by the amido group of a phenylene bridge, a cyclopentadienyl ring, and a transition metal. The transition metal compound has excellent copolymerization properties and may produce an olefin polymer having a high molecular weight in a ultra low density region.

A transition metal compound having a novel structure is disclosed herein. The transition metal compound can have improved structural stability by forming a stable coordination site of a transition metal through controlling a bond angle formed by the amido group of a phenylene bridge, a cyclopentadienyl ring, and a transition metal. The transition metal compound has excellent copolymerization properties and may produce an olefin polymer having a high molecular weight in a ultra low density region.

Provided is a curing catalyst having a high safety and a practical curing rate.

According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amino group-containing compound [B3] containing a primary amino group and/or a secondary amino group, the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).

Provided is a curing catalyst having a high safety and a practical curing rate.

According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amino group-containing compound [B3] containing a primary amino group and/or a secondary amino group, the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).

A metal-organic framework (MOF) MIL-125 and a preparation method and a use thereof are provided. The MOF MIL-125 is a round cake-like crystal and has an external specific surface area (SSA) of 160 m.sup.2/g to 220 m.sup.2/g. The MOF MIL-125 provided in the present application has a large number of microporous structures, a large external SSA, and a high catalytic activity in oxidation.

A metal-organic framework (MOF) MIL-125 and a preparation method and a use thereof are provided. The MOF MIL-125 is a round cake-like crystal and has an external specific surface area (SSA) of 160 m.sup.2/g to 220 m.sup.2/g. The MOF MIL-125 provided in the present application has a large number of microporous structures, a large external SSA, and a high catalytic activity in oxidation.

Metal complexes of macrocycles and/or isoprenoids and/or linear tetrapyrroles by mechanochemistry (grinding or milling), preparation method thereof, sunscreen/concealer/UV absorber thereof, self-assembled coating material thereof, superamphiphilic material or surfaces thereof, hair dyeing thereof and other uses thereof. Converting biomass, including products from its own process-line wastes, into high value products such as biofuel, bioplastics and biochemicals in an attempt to replace oil consumption has become nowadays a challenge for innovation. In one embodiment of the present invention, a novel product obtained from the solvent-free mechanochemical reaction (grinding and milling) of biomass and a metal alkoxide is produced. In one embodiment of the present invention, Spirulina biomass, comprising macrocycles (chlorophyll) and isoprenoids (P-carotene) and linear tetrapyrroles (phycobilins attached to proteins), is ground or milled together with a metal alkoxide to produce a stable colored material.

Metal complexes of macrocycles and/or isoprenoids and/or linear tetrapyrroles by mechanochemistry (grinding or milling), preparation method thereof, sunscreen/concealer/UV absorber thereof, self-assembled coating material thereof, superamphiphilic material or surfaces thereof, hair dyeing thereof and other uses thereof. Converting biomass, including products from its own process-line wastes, into high value products such as biofuel, bioplastics and biochemicals in an attempt to replace oil consumption has become nowadays a challenge for innovation. In one embodiment of the present invention, a novel product obtained from the solvent-free mechanochemical reaction (grinding and milling) of biomass and a metal alkoxide is produced. In one embodiment of the present invention, Spirulina biomass, comprising macrocycles (chlorophyll) and isoprenoids (P-carotene) and linear tetrapyrroles (phycobilins attached to proteins), is ground or milled together with a metal alkoxide to produce a stable colored material.

A nanoribbon includes a structure represented by a structural formula (8), where g, p, q, r, s, t, and u are mutually independent and are integers greater than or equal to 1, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are mutually independent and are one of a hydrogen atom, a substituent, an alkyl moiety, a phenyl moiety, and a halogen atom, and A denotes a hydrogen atom or an aryl group.

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