| abstract |
A printing layer having excellent whiteness and hiding properties is formed on a resin film or the like. A white ink composition comprising titanium oxide having an average particle size of 100 to 400 nm and a polymer of an allyl compound represented by formula (1) or a polymer of a compound represented by formula (2). (R 1 is a [—CH 2 —CR 3 ═CHR 2 ] group, a glycidyl group, a C1-5 alkyl group, or H). [Selection figure] None |