| 摘要 |
<p>Aqueous silicone emulsions, especially useful for rendering a wide variety of substrates nonadhesive/water-repellent by polycondensation crosslinking, contain (a) an alpha , omega -dihydroxydiorganopolysiloxane, (b) an organohydropolysiloxane containing at least 3 hydrogen atoms bonded to silicon atoms per molecule, (c) a polyvinyl alcohol, (d) a nonionic emulsifying agent, and (e) a crosslinking catalytically effective amount of a monochelate of pentacoordinated tin of valency IV.</p> |
