Aqueous polymer composition

摘要

An aqueous polymer composition containing particles of a first polymer and particles of a second polymer with preferred molecular weight ranges, and wax is provided. Coatings prepared from the aqueous polymer composition may be employed as coatings which have water whitening resistance, bead water, and provide resistance to efflorescence to cementitious substrates, such as roof tiles. A method of preparing a coated cementitious substrate with the aqueous polymer composition and an article containing the coated cementitious substrate are also provided.