EIFS formulations with enhance rain resistance
US9499690B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Dec 8, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/74
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides shelf-stable, non-cementitious dry mix compositions of inorganic non-cementious materials, such as sand, and water redispersible polymer powder (RDP) containing particles of a multi-stage acrylic copolymer having a calcium methacrylate salt group containing alkali-soluble resin outer stage and one or more inner stage, the particles further containing each of one or more nucleating agent having a boiling point of 150° C. to 500° C. and a water solubility of 3.5% or less, and one or more colloidal stabilizer, wherein the colloidal stabilizer and the multi-stage acrylic copolymer are contained in the same RDP particle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.