Patent ID: 7252888

Claim:
An aqueous elastomer coating composition, comprising a) a polymer latex comprising at least one of the following elastomers: fluorine rubber, hydrogenated or carboxylated acrylonitrile-butadiene rubber, acrylonitrile-butadiene rubber, and acrylate rubber; b) a mineral filler comprising at least one of the following mineral fillers: silicates, silicon oxides, silicic acids, pyrogenic silicic acids, carbonates, oxides, hydroxides, and metal cations with a valence of 2 to 4; wherein at least part of the mineral filler is a chemically surface-modified mineral filler; c) amine-, peroxide-, bisphenol- or sulfur-based crosslinking chemicals; d) optionally, at least one of the following: dispersants, emulsifiers, organic pigments, inorganic pigments, foam suppressants, anti-aging agents, heat sensitization agents, thickeners, wetting agents, propellants, foam stabilizers, coagulants, thixotropy agents, MgO, Ca(OH) 2, ZnO, PbO, hydrotalcite, and adhesive agents; and e) water as a dispersion medium of the aqueous elastomer coating composition; wherein the aqueous elastomer coating composition is free of organic solvents, and wherein the aqueous elastomer coating composition comprises per 100 phr based on the dry solids of component a), 15 to 400 phr of component b), 1 to 6 phr of component c), 0 to 20 phr of each component d) with the exception of carbon black as a black pigment, which is used in an amount up to 5 phr, and up to 400 phr of component e).