Provided are an electrolytic solution for a non-aqueous secondary battery containing an electrolyte, an organic solvent, and a metal complex represented by General Formula (I), a non-aqueous secondary battery in which the electrolytic solution for a non-aqueous secondary battery is used, and a metal complex. ##STR00001## In General Formula (I), M represents a transition metal. k represents an integer of 0 or more, m represents an integer of 0 to 4, and n represents an integer of 1 or more. Here, k+n represents a valence of M. R.sup.1 represents an alkyl group, an aryl group, an alkoxy group, a carbonyl group-containing group, a sulfonyl group-containing group, or a halogen atom. R.sup.2 and R.sup.3 represent a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, a carbonyl group-containing group, a sulfonyl group-containing group, or a halogen atom. L represents a monodentate ligand.

Provided are an electrolytic solution for a non-aqueous secondary battery containing an electrolyte, an organic solvent, and a metal complex represented by General Formula (I), a non-aqueous secondary battery in which the electrolytic solution for a non-aqueous secondary battery is used, and a metal complex. ##STR00001## In General Formula (I), M represents a transition metal. k represents an integer of 0 or more, m represents an integer of 0 to 4, and n represents an integer of 1 or more. Here, k+n represents a valence of M. R.sup.1 represents an alkyl group, an aryl group, an alkoxy group, a carbonyl group-containing group, a sulfonyl group-containing group, or a halogen atom. R.sup.2 and R.sup.3 represent a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, a carbonyl group-containing group, a sulfonyl group-containing group, or a halogen atom. L represents a monodentate ligand.

A composition includes: a metal compound including a ligand; and a solvent. The ligand is derived from a compound represented by formula (1). L represents an oxygen atom or a single bond; R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms; R.sup.2 and R.sup.3 each independently represent a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, or R.sup.2 and R.sup.3 bind with each other and represent an alicyclic structure having 3 to 20 ring atoms together with the carbon atom to which R.sup.2 and R.sup.3 bond, or le and either R.sup.2 or R.sup.3 bind with each other and represent a lactone ring structure having 4 to 20 ring atoms or a cyclic ketone structure having 4 to 20 ring atoms together with the atom chain to which le and either R.sup.2 or R.sup.3 bond.

##STR00001##

A composition includes: a metal compound including a ligand; and a solvent. The ligand is derived from a compound represented by formula (1). L represents an oxygen atom or a single bond; R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms; R.sup.2 and R.sup.3 each independently represent a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, or R.sup.2 and R.sup.3 bind with each other and represent an alicyclic structure having 3 to 20 ring atoms together with the carbon atom to which R.sup.2 and R.sup.3 bond, or le and either R.sup.2 or R.sup.3 bind with each other and represent a lactone ring structure having 4 to 20 ring atoms or a cyclic ketone structure having 4 to 20 ring atoms together with the atom chain to which le and either R.sup.2 or R.sup.3 bond.

##STR00001##

Disclosed is a method for preparing a solid catalyst for propylene polymerization, and more specifically, a method for preparing a solid catalyst for propylene polymerization including (1) first reacting dialkoxy magnesium and titanium halide compound under the presence of an organic solvent; (2) adding two kinds of non-aromatic internal electron donors to a product of the step (1) and reacting the mixture; and (3) second reacting the product of the step (2) with a titanium halide compound and washing a reaction product. The catalyst prepared according to the method as described in the present disclosure not only may provide high catalytic activity, but also may provide a propylene polymer having excellent stereoregularity.

Disclosed is a method for preparing a solid catalyst for propylene polymerization, and more specifically, a method for preparing a solid catalyst for propylene polymerization including (1) first reacting dialkoxy magnesium and titanium halide compound under the presence of an organic solvent; (2) adding two kinds of non-aromatic internal electron donors to a product of the step (1) and reacting the mixture; and (3) second reacting the product of the step (2) with a titanium halide compound and washing a reaction product. The catalyst prepared according to the method as described in the present disclosure not only may provide high catalytic activity, but also may provide a propylene polymer having excellent stereoregularity.

The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.

The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.

The present invention provides a novel ligand compound, a transition metal compound and a catalyst composition including the same.

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 [C] of a titanium compound [B1] and an ammonium hydroxide [B2], the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).