An aqueous coating composition, comprising: (a) an emulsion polymer comprising, based on the weight of the emulsion polymer, from 25% to 63% by weight of structural units of a vinyl aromatic monomer, and structural units of a polymerizable surfactant having the structure of formula (I), wherein R 1 is a phenyl group or a phenyl substituted alkyl group; m1 is 1, 2, 3 or 4; R 2 is an alkyl or a substituted alkyl; m2 is 0 or 1; R 3 is hydrogen or a C 1 -C 20 alkyl group; R 4 is hydrogen or a C 1 -C 20 alkyl group; A represents an alkylene group or a substituted alkylene group, having 2 to 4 carbon atoms; n is an integer in the range of from 1 to 100; and X represents hydrogen or an anionic hydrophilic group selected from -(CH 2 ) a -SO 3 M, -(CH 2 ) b -COOM, -PO 3 M 2 , -P(Z)O 2 M, or -CO-CH 2 -CH(SO 3 M)-COOM, wherein a and b are each independently an integer of from 0 to 4, Z represents a residual obtained by removing X from the general formula (I), and each M represents hydrogen, an alkali metal atom, an alkaline earth metal atom, an ammonium residue, or an alkanolamine residue; (b) a polyoxypropylene polyol having a number average molecular weight of from 350 to 3500 as measured by Gel Permeation Chromatography as described in the description; (c) a phosphate surfactant having the structure of formula (III), wherein R is a C 8 -C 30 alkyl group, A 1 O is an alkoxylated group, a1 is an integer of from 1 to 30, b1 is 1 or 2, and N + is a metal ion or ammonium ion; and (d) a functional silane selected from an epoxy functional silane compound, an epoxy functional polysiloxane oligomer, and mixtures thereof. (a) an emulsion polymer comprising, based on the weight of the emulsion polymer, from 25% to 63% by weight of structural units of a vinyl aromatic monomer, and structural units of a polymerizable surfactant having the structure of formula (I), wherein R 1 is a phenyl group or a phenyl substituted alkyl group; m1 is 1, 2, 3 or 4; R 2 is an alkyl or a substituted alkyl; m2 is 0 or 1; R 3 is hydrogen or a C 1 -C 20 alkyl group; R 4 is hydrogen or a C 1 -C 20 alkyl group; A represents an alkylene group or a substituted alkylene group, having 2 to 4 carbon atoms; n is an integer in the range of from 1 to 100; and X represents hydrogen or an anionic hydrophilic group selected from -(CH 2 ) a -SO 3 M, -(CH 2 ) b -COOM, -PO 3 M 2 , -P(Z)O 2 M, or -CO-CH 2 -CH(SO 3 M)-COOM, wherein a and b are each independently an integer of from 0 to 4, Z represents a residual obtained by removing X from the general formula (I), and each M represents hydrogen, an alkali metal atom, an alkaline earth metal atom, an ammonium residue, or an alkanolamine residue; (b) a polyoxypropylene polyol having a number average molecular weight of from 350 to 3500 as measured by Gel Permeation Chromatography as described in the description; (c) a phosphate surfactant having the structure of formula (III), wherein R is a C 8 -C 30 alkyl group, A 1 O is an alkoxylated group, a1 is an integer of from 1 to 30, b1 is 1 or 2, and N + is a metal ion or ammonium ion; and (d) a functional silane selected from an epoxy functional silane compound, an epoxy functional polysiloxane oligomer, and mixtures thereof. <EOS>