(a) 1-15 wt % of first inorganic particles that contain hydroxy group and have an average particle diameter of between 5 and 30 nm;

(b) 0.05-3 wt % of second inorganic particles that contain hydroxy group and have an average particle diameter of between 0.2 and 5 μm;

(c) 1-15 wt % of an organosilane compound represented by the following formula (1);

(d) 50-85 wt % of a solvent;

(e) 0.1-3 wt % of photocatalyst particles;

(f) 1-10 wt % of the hydrolyzate of alkoxysilane-functionalized aromatic UV absorbing agent represented by the following formula (2);

(g) 0.001-2 wt % of an acid;

(h) 1-10 of a heat curling catalyst; and

(i) 1-10 wt % of aqueous polyurethane emulsion;

R_nSi(OR′)_4-n(I)  [Formula 1]

wherein R is a C1-C8 aminoalkyl group, glycidoxyalkyl group or isocyanatoalkyl group;

R′ is a C1-C6 lower alkyl group; and

n is an integer of between 0 and 3;

wherein R₁ and R₂ independently represent a C1-C6 alkyl group;

R₃ represents a C1-C6 alkyl group or aryl group;

OR₄ represents a methoxy, ethoxy, propoxy, isopropoxy, butoxy or acetoxy group;

R₅ represents a C1-C12 alkyl group or aryl group;

X represents a hydrogen atom or halogen atom;

l is an integer of between 5 and 9;

m is an integer of between 1 and 3; and

n is an integer of between 0 and 2.