| 发明名称 |
WATER-RESISTANT GYPSUM PRODUCTS AND METHODS |
| 摘要 |
This invention relates to water-resistant gypsum products manufactured with water-based emulsions comprising polymerizable siloxane compound and an anionic polyacrylamide; and methods for making a water-resistant gypsum product, comprising a step of preparing a water-based siloxane emulsion in a turbine emulsifier. |
| 申请公布号 |
US2017107151(A1) |
申请公布日期 |
2017.04.20 |
| 申请号 |
US201514886443 |
申请日期 |
2015.10.19 |
| 申请人 |
United States Gypsum Company |
发明人 |
Hajakian Paula;Reed Paul W. |
| 分类号 |
C04B28/14;C04B24/26;B32B37/14;B32B13/08;B32B29/00;C04B41/49;C04B24/42 |
主分类号 |
C04B28/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A gypsum product comprising a gypsum core sandwiched between two sheets of paper, wherein the gypsum core comprises a silicone/polyacrylamide matrix and wherein the gypsum core is prepared by:
mixing a gypsum slurry comprising calcined gypsum and water with an emulsion comprising a polymerizable siloxane compound and an anionic polyacrylamide; allowing the mixture to set; and thereby forming the gypsum core comprising the silicone/polyacrylamide matrix. |
| 地址 |
Chicago IL US |
