Patent ID: 7388047
Filing Date: 2008-06-17
Classification: C04B,C08K

Abstract:
1. A water-redispersible polymer powder composition comprising at least one homopolymer or copolymer of at least one monomer selected from the group consisting of vinyl esters of optionally or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, (meth)acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides; one or more protective colloids, optionally one or more antiblocking agents; and at least one pozzolana compound selected from the group consisting of pumice, trass, Santorin earth, hornstones, chert, moler earth, ground brick, fly ash, oil shale ash and calcined kaolin.