Silazane-based compound, coating composition comprising same, light-transmitting film having coating layer, and display device comprising light-transmitting film

A coating composition comprising a silazane-based compound represented by the following Formula 1:

• wherein, in Formula 1, R11, R12, R13 and R14 are each independently selected from hydrogen, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 18 carbon atoms, an alkyl acrylate group having 3 to 20 carbon atoms, an alkyl methacrylate group having 4 to 20 carbon atoms, an alkyl vinyl group having 3 to 20 carbon atoms, and a vinyl group,
• R21 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 18 carbon atoms, and a vinyl group,
• R22 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 18 carbon atoms, and a vinyl group,
• R3 is selected from a single bond, an alkylene group having 1 to 10 carbon atoms, an arylene group having 6 to 18 carbon atoms, a substituted alkylene group having 2 to 20 carbon atoms, a substituted arylene group having 7 to 19 carbon atoms, an alkylene vinyl group having 3 to 20 carbon atoms, a vinyl group and a heteroalkylene group having 1 to 10 carbon atoms,
• m and n are each an integer of 5 to 150,
• m/(m+n) is 0.2 to 0.98,
• y is an integer of 0 to 2, and
• in Formula 1, “A” is represented by the following Formula 2:
• wherein, in Formula 2, R41 and R42 are each independently selected from hydrogen and an alkyl group having 1 to 4 carbon atoms, and
• RB is a divalent compound having a cyclic group.

A light-transmitting film comprising:

• a support layer;
• and
• a first coating layer on the support layer,
• wherein the first coating layer comprises a cured product of a silazane-based compound represented by the following Formula 1:
• wherein, in Formula 1, R11, R12, R13 and R14 are each independently selected from hydrogen, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 18 carbon atoms, an alkyl acrylate group having 3 to 20 carbon atoms, an alkyl methacrylate group having 4 to 20 carbon atoms, an alkyl vinyl group having 3 to 20 carbon atoms, and a vinyl group,
• R21 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 18 carbon atoms, and a vinyl group,
• R22 is selected from hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 18 carbon atoms, and a vinyl group,
• R3 is selected from a single bond, an alkylene group having 1 to 10 carbon atoms, an arylene group having 6 to 18 carbon atoms, a substituted alkylene group having 2 to 20 carbon atoms, a substituted arylene group having 7 to 19 carbon atoms, an alkylene vinyl group having 3 to 20 carbon atoms, a vinyl group, and a heteroalkylene group having 1 to 10 carbon atoms,
• m and n are each an integer of 5 to 150,
• m/(m+n) is 0.2 to 0.98,
• y is an integer of 0 to 2, and
• in Formula 1, “A” is represented by the following Formula 2:
• wherein, in Formula 2, R41 and R42 are each independently selected from hydrogen and an alkyl group having 1 to 4 carbon atoms, and
• RB is a divalent compound having a cyclic group.