Catalyst component for ethylenically unsaturated monomer polymerization, catalyst for ethylenically unsaturated monomer polymerization, and process for ethylenically unsaturated monomer polymerization using said catalyst

A catalyst component for ethylenically unsaturated monomer polymerization, comprising a compound obtained by the reaction of the following compounds (i), (ii) and optionally (iv) in any order, and then further the following compound (iii):

• (i) a compound represented by the following formula:
• MR1R2R3
• wherein M is an atom of Group 13 of the periodic table;
• R1, R2 and R3 may be the same or different and are each a halogen atom, a hydrogen atom, a hydroxy group or an organic group;
• and two groups of R1, R2 and R3 may be bonded to form a ring;
• (ii) a compound capable of reacting with the compound (i) to be bonded to two or more M;
• (iii) a compound capable of reacting with the reaction product obtained by reacting the compound (i), the compound (ii) and optionally the compound (iv) with each other in any order to form an ionizing ionic compound;
• (iv) at least one compound selected from a hydrocarbon compound, a halogenated hydrocarbon compound, a hydroxy hydrocarbon compound, a silanol compound, a boronic acid compound, an organic carboxylic acid compound, an organic sulfonic acid compound, a hydroxylamine compound, a sulfonamide compound, a ketoimide compound, an amide compound, an oxime compound, an amine compound, an imide compound, a diimine compound, an imine compound, a diketone compound, and metallic salts thereof.

A catalyst component for ethylenically unsaturated monomer polymerization, being represented by the following formula:

• wherein each M may be the same or different and is an atom of Group 13 of the periodic table;
• n is an integer of 0 or more;
• Y is a divalent bonding group, and when n is 1 or more, plural Y may be the same or different;
• Z is a group capable of being bonded to one or more M;
• m is an integer of not less than 1 and not more than n+1;
• each Q may be the same or different and is a halogen atom or is a group selected from the following groups:
• (wherein R10 is a hydrocarbon group, a halogenated hydrocarbon group, a silicon-containing group, a germanium-containing group, a tin-containing group or a boron-containing group, and R11 is a hydrogen atom, an alkoxy group or any of a hydrocarbon group, a halogenated hydrocarbon group, a silicon-containing group, a germanium-containing group, a tin-containing group and a boron-containing group each of which is the same as or different from R10);
• A is a cation;
• and k is a number satisfying the condition of K=jm/r and is a valence of the cation A.