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    • 9. 发明授权
    • Method for the currentless catalytic precipitation of aluminum
    • 铝的无电催化沉淀的方法
    • US4144360A
    • 1979-03-13
    • US820700
    • 1977-08-01
    • Siegfried BirkleRichard DotzerEva Rissel
    • Siegfried BirkleRichard DotzerEva Rissel
    • C04B35/51C03C17/10C23C18/18C23C18/31C23C3/02
    • C23C18/1889C23C18/1841C23C18/208C23C18/52
    • The invention relates to a method for the currentless catalytic precipitation of aluminum. The surface of insulating and conductive materials (substrates) to be aluminized is (1) catalyzed, while a film-forming moisture-insensitive layer is developed, with a compound active at the boundary surfaces, by a brief immersion in a dilute solution of (a) a modified ester or acylate of titanium, zirconium or vanadium, substituted at the metal atom with short- and long-chain organic radicals or (b), a chloride of the transition metals of the IV and V secondary group of the periodic system of the elements and a water-containing metal soap of a polyvalent metal, preferably aluminum soaps; (2) is intensively rinsed with aprotic solvents, preferably having a boiling point of over 100.degree. C.; and (3) is immersed in a 1 to 4% solution of trialkylaminalanes in a solvent mixture of aromatic and highly viscous aliphatic compounds. A homogeneous and strongly adhering aluminum coating is thereby obtained.Insulating and conductive materials and components, e.g., electronic components and reflectors can in this manner be homogeneously coated with strongly adherent aluminum.
    • 本发明涉及一种无电催化沉淀铝的方法。 要镀铝的绝缘和导电材料(基材)的表面是(1)催化,而成膜不透湿层,在边界表面具有化合物活性,通过短暂浸入稀释溶液( a)在金属原子上被短链和长链有机基团取代的钛,锆或钒的改性酯或酰化物,或(b)周期系统的IV和V二级基团的过渡金属的氯化物 的元素和多价金属的含水金属皂,优选铝皂; (2)用非质子溶剂进行浓缩漂洗,优选沸点超过100℃。 和(3)浸渍在芳族和高粘度脂族化合物的溶剂混合物中的1至4%的三烷基胺基溶液中。 由此获得均质且强粘附的铝涂层。