| 摘要 |
<p>An increased water repellency is imparted to wood and other cellulosic natertals with an aqueous solutton containtng a mixture of an aluminum ha1ohydrate and a water soluble salt of a mono, di or trivalent cation selected from zinc, manganese, barium, calcium, cobalt, magnesium, nickel, copper, cadmium, strontium, beryllium, lead, mercury, chromium, sodium, lithium, and potassium and a monovalent anion selected from formate acetate, haloacetate, acrylate, methacrylate, propionate, chloro and bromo-propionate, butyrate, isobutyrate, nitrate, sulfamate, iodide, bromide, and chloride, said water soluble salt exc1uding the nitrates, sulfamates, chlorides and bromides of sodium, potassium and lithium.</p> |
