Patent ID: 8193278
Filing Date: 2012-06-05
Classification: C09J

Abstract:
1. An aqueous caulk or sealant composition that is substantially free of any plasticizer comprising: (i) an aqueous binder of one or more copolymer chosen from: a mixed backbone acid copolymer copolymerized from methacrylic acid (MAA) and a second acid monomer having a lower pKa than methacrylic acid and chosen from a monocarboxylic acid, dicarboxylic acid, phosphorus acid, sulfur acid, and mixtures thereof, the MAA and the second acid monomer being copolymerized in the amount of from 0.1 to 5.0 wt. %, based on total copolymerized monomer weight; a copolymer having a mixture of backbone acid and hydroxyl groups copolymerized from 0.5 to 7.5 wt. %, based on total copolymerized monomer weight, of one or more hydroxyl group containing monomer and from 1.0 to 5.0 wt. %, based on total copolymerized monomer weight, of one or more acidic monomer chosen from MAA and the second acid monomer; and copolymer mixtures thereof, wherein the copolymer has a glass transition temperature (T further wherein, the aqueous binder copolymer has a solids content of 50 wt. % or higher, based on the total weight of the aqueous binder copolymer; (ii) one or more filler in a filler to binder ratio of from 0.25:1 to 4:1; and, (iii) water.