Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition

A polymerizable composition for an optical material, comprising:

• component (A);
• component (B);
• and
• a polymerizable compound,
• (A) an ester compound represented by General Formula (1)
• in General Formula (1), R1 represents a hydrogen atom, a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a linear hydrocarbon group having 2 to 20 carbon atoms and having one or more unsaturated bonds, or a branched hydrocarbon group having 3 to 20 carbon atoms and having one or more unsaturated bonds, and R2 represents a polyoxyalkylene group represented by General Formula (2)
• —(CH2CHR3O)nH (2)
• in General Formula (2), a plurality of present R3 may be the same or different and each R3 represents a hydrogen atom or a methyl group, and n represents an integer of 2 to 20,
• (B) an ether compound represented by General Formula (3)
• R4—O—R5 (3)
• (in General Formula (3), R4 represents a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a linear hydrocarbon group having 2 to 20 carbon atoms and having one or more unsaturated bonds, or a branched hydrocarbon group having 3 to 20 carbon atoms and having one or more unsaturated bonds, and R5 represents a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, or a (poly)oxyalkylene group represented by General Formula (4))
• —(CH2CHR6O)mH (4)
• in General Formula (4), a plurality of present R6 may be the same or different and each R6 represents a hydrogen atom or a methyl group, and m represents an integer of 1 to 20,
• wherein the polymerizable compound is one or two or more types of compounds selected from the group consisting of a polyiso(thio)cyanate compound, a poly(thio)epoxy compound, a polyoxetanyl compound, a polythietanyl compound, a poly(meth)acryloyl compound, a polyalkene compound, an alkyne compound, a poly(thi)ol compound, a polyamine compound, and an acid anhydride.