Transparent flexible hard coated film and method of producing the same

An ionic polymerizable siloxane hard coating composition for forming a transparent flexible hard coated film, the composition comprising:

• oligosiloxane [component (A)] having on average at least one alicyclic epoxy group per molecule;
• a reactive diluent [component (B)] that is (3,4-epoxycyclohexyl)methyl 3,4-epoxycyclohexylcarboxylate or that has on average at least one oxetane group per molecule;
• and
• an ionic polymerization initiator [component (C)],
• wherein the ionic polymerizable siloxane hard coating composition is produced by a method including mixing the component (C) of from 0.1 part by weight to 10 parts by weight with respect to 100 parts by weight of the component (A),
• wherein the component (A) has an average unit chemical formula represented by the following Chemical Formula 1:
• (R1SiO3/2)a(R22SiO2/2)b(R33SiO1/2)c(SiO4/2)d(R4O1/2)e, [Chemical Formula 1]
• wherein in Chemical Formula 1,
• R1 is an alicyclic epoxy group, and R2 and R3 are each independently selected from the group consisting of a substitutable C1-20 alkyl group, a substitutable C2-20 alkenyl group, a substitutable C2-20 alkynyl group, and a substitutable C6-20 aryl group, a substitutable substituent in the R2, and R3 is at least one member selected from the group consisting of a C1-20 alkyl group, a C3-8 cycloalkyl group, a C1-20 alkoxy group, an amino group, an acryl group, a (meth)acryl group, halogen, an allyl group, a mercapto group, an ether group, an ester group, a carbonyl group, a carboxyl group, a vinyl group, a nitro group, a sulfone group, a hydroxyl group, a cyclobutene group, an alkyd group, an urethane group, an oxetane group, a phenyl group, and combinations thereof,
• R4 is a straight or branched C1-7 alkyl group or hydrogen,
• a is a positive number,
• b is 0 or a positive number,
• c is 0 or a positive number,
• d is 0 or a positive number,
• e is 0 or a positive number,
• (b+c+d)/a is a number of from 0 to 1,
• e/(a+b+c+d) is a number of from 0 to 0.4, and
• the alicyclic epoxy group is not a glycidyl group.