Radical curable adhesive composition, and polarizing plate and optical member comprising same

A radical-curable adhesive composition comprising:

• a (A) radical-polymerizable compound having at least one hydrophilic functional group in the molecule;
• a (B) phosphate-based compound having three (meth)acrylic groups in the molecule;
• and
• a (C) radical initiator,
• wherein the (B) phosphate-based compound is a compound represented by Chemical Formula I:
• wherein R1, R2 and R3 are each independently a substituted or unsubstituted C1-10 alkylene group, a substituted or unsubstituted C4-14 cycloalkylene group, a substituted or unsubstituted C6-14 arylene group or a combination thereof;
• R4, R5 and R6 are each independently hydrogen or a methyl group;
• and X1, X2 and X3 are each independently oxygen (O) or nitrogen (N).