Method for producing oligomer and catalyst
A method for producing an oligomer, the method comprising a step of oligomerizing a polymerizable monomer comprising an olefin in the presence of a catalyst comprising an iron complex represented by the following Formula (1) and trialkylaluminum: [In Formula (1), R represents a hydrocarbyl group having 1 to 6 carbon atoms or an aromatic group having 6 to 12 carbon atoms, a plurality of R in the same molecule may be the same or different, R′ represents a free radical having an oxygen atom and/or a nitrogen atom, a plurality of R′ in the same molecule may be the same or different, and Y represents a chlorine atom or a bromine atom].
1. A method for producing an oligomer, the method comprising a step of oligomerizing a polymerizable monomer comprising an olefin in the presence of a catalyst comprising an iron complex represented by the following Formula (1) and trialkylaluminum:
wherein in Formula (1),
R represents
a hydrocarbyl group having 1 to 6 carbon atoms or
an aromatic group having 6 to 12 carbon atoms,
a plurality of R in the same molecule are the same or different,
R′ represents a substituent containing
an oxygen atom and/or
a nitrogen atom,
a plurality of R′ in the same molecule are the same or different, and
Y represents a chlorine atom or a bromine atom;
wherein the trialkylaluminum comprises trimethylaluminum; and
wherein the catalyst further comprises a boron compound.
2. The method according to claim 1 , wherein the catalyst further comprises a compound represented by the following Formula (2):
wherein in Formula (2),
R″ represents
a hydrocarbyl group having 1 to 6 carbon atoms or
an aromatic group having 6 to 12 carbon atoms,
a plurality of R″ in the same molecule are the same or different,
R′″ represents a substituent containing
an oxygen atom and/or
a nitrogen atom, and
a plurality of R′″ in the same molecule are the same or different.
3. A catalyst comprising an iron complex represented by the following Formula (1) and trialkylaluminum:
wherein in Formula (1),
R represents
a hydrocarbyl group having 1 to 6 carbon atoms or
an aromatic group having 6 to 12 carbon atoms,
a plurality of R in the same molecule are the same or different,
R′ represents a substituent containing
an oxygen atom and/or
a nitrogen atom,
a plurality of R′ in the same molecule are the same or different, and
Y represents a chlorine atom or a bromine atom;
wherein the trialkylaluminum comprises trimethylaluminum; and
wherein the catalyst further comprises a boron compound.
4. The catalyst according to claim 3 , further comprising a compound represented by the following Formula (2):
wherein in Formula (2),
R″ represents
a hydrocarbyl group having 1 to 6 carbon atoms or
an aromatic group having 6 to 12 carbon atoms,
a plurality of R″ in the same molecule are the same or different,
R′″ represents a substituent containing
an oxygen atom and/or
a nitrogen atom, and
a plurality of R′″ in the same molecule are the same or different.
5. The method of claim 1 ,
wherein a molar content ratio of the trialkylaluminum to the boron compound is H:J=1000:1 to 1:1, wherein H represents the number of moles of the trialkylaluminum and J represents the number of moles of the boron compound.
6. The catalyst of claim 3 ,
wherein a molar content ratio of the trialkylaluminum to the boron compound is H:J=1000:1 to 1:1, wherein H represents the number of moles of the trialkylaluminum and J represents the number of moles of the boron compound.