| 摘要 |
Flocced mineral materials, and high temperature resistant, water resistant articles prepared therefrom by treating a gellable layered swollen silicate, that has an average charge per structural unit of from -0.5 to -1 and which contains interstitial cations which promote swelling, with a source of at least one species of cations containing aminomethylamineimine cations, especially guanidine derived cations. |
