Coating compositions for producing watertight, vapor-permeable and flame retardant coatings

A coating composition for producing watertight, vapor-permeable and flame retardant coatings, comprising

• A) an aqueous dispersion i) having a solids content of from 30 to 70% by weight of a vinyl chloride copolymer with from 20 to 90% by weight of vinyl chloride, based on the total weight of the copolymer,
• from 10 to 80% by weight, based on the total weight of the copolymer, of at least one comonomer from the group consisting of the (meth) acrylic esters of alcohols of from 1 to 10 carbon atoms, the vinyl esters of saturated aliphatic carboxylic acids of from 2 to 10 carbon atoms, and the .alpha.-olefins, and
• from 0 to 10% by weight, based on the total weight of the copolymer, of at least one ethylenically unsaturated functional comonomer from the group of mono- or dicarboxylic acids and amides thereof, hydroxy-functional monomers and sulfonate-functional monomers, or an aqueous dispersion ii) having a solids content of from 30 to 70% by weight of a vinyl acetate-ethylene copolymer with from 10 to 40% by weight of ethylene, based on the total weight of the copolymer, and
• from 0 to 10% by weight, based on the total weight of the copolymer, of at least one ethylenically unsaturated functional comonomer from the group of mono- or dicarboxylic acids and amides thereof, hydroxy-functional monomer and sulfonate-functional monomers,
• B) from 5 to 70% by weight based on the solids content of the aqueous dispersion A of a flameproofing agent selected from the group consisting of the antimony oxides, phosphoric esters, zinc borates, metallic oxide hydrates, metal hydroxides and chloroparaffins,
• C) from 0 to 20% by weight based on the solids content of the aqueous dispersion A, of a crosslinker,
• D) from 0.5 to 20% by weight, based on the solids content of the aqueous dispersion A, of a foam stabilizer,
• E) from 0 to 10% by weight, based on the solids content of the aqueous dispersion A, of a thickener.